/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 546 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-05 22:00:17,095 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-05 22:00:17,158 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-05 22:00:17,162 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-05 22:00:17,163 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-05 22:00:17,186 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-05 22:00:17,186 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-05 22:00:17,187 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-05 22:00:17,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-05 22:00:17,190 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-05 22:00:17,190 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-05 22:00:17,191 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-05 22:00:17,191 INFO L153 SettingsManager]: * Use SBE=true [2024-05-05 22:00:17,192 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-05 22:00:17,192 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-05 22:00:17,192 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-05 22:00:17,193 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-05 22:00:17,193 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-05 22:00:17,193 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-05 22:00:17,193 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-05 22:00:17,193 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-05 22:00:17,193 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-05 22:00:17,194 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-05 22:00:17,194 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-05 22:00:17,194 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-05 22:00:17,194 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-05 22:00:17,194 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-05 22:00:17,194 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-05 22:00:17,194 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-05 22:00:17,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 22:00:17,196 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-05 22:00:17,196 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-05 22:00:17,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-05 22:00:17,196 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-05 22:00:17,196 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-05 22:00:17,196 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-05 22:00:17,196 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-05 22:00:17,196 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-05 22:00:17,196 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-05 22:00:17,197 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 [2024-05-05 22:00:17,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-05 22:00:17,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-05 22:00:17,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-05 22:00:17,446 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-05 22:00:17,446 INFO L274 PluginConnector]: CDTParser initialized [2024-05-05 22:00:17,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c [2024-05-05 22:00:18,433 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-05 22:00:18,583 INFO L384 CDTParser]: Found 1 translation units. [2024-05-05 22:00:18,584 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c [2024-05-05 22:00:18,591 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/bf546d57e/0f38bfbaa981480fa562b82cb8b17460/FLAG5d6e9e7a4 [2024-05-05 22:00:18,604 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/bf546d57e/0f38bfbaa981480fa562b82cb8b17460 [2024-05-05 22:00:18,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-05 22:00:18,606 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-05 22:00:18,607 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-05 22:00:18,607 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-05 22:00:18,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-05 22:00:18,611 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 10:00:18" (1/1) ... [2024-05-05 22:00:18,612 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f69bd4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:00:18, skipping insertion in model container [2024-05-05 22:00:18,612 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 10:00:18" (1/1) ... [2024-05-05 22:00:18,630 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-05 22:00:18,744 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c[3412,3425] [2024-05-05 22:00:18,750 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 22:00:18,756 INFO L202 MainTranslator]: Completed pre-run [2024-05-05 22:00:18,775 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c[3412,3425] [2024-05-05 22:00:18,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 22:00:18,783 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 22:00:18,783 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 22:00:18,788 INFO L206 MainTranslator]: Completed translation [2024-05-05 22:00:18,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:00:18 WrapperNode [2024-05-05 22:00:18,788 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-05 22:00:18,789 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-05 22:00:18,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-05 22:00:18,789 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-05 22:00:18,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:00:18" (1/1) ... [2024-05-05 22:00:18,800 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:00:18" (1/1) ... [2024-05-05 22:00:18,822 INFO L138 Inliner]: procedures = 25, calls = 55, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 254 [2024-05-05 22:00:18,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-05 22:00:18,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-05 22:00:18,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-05 22:00:18,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-05 22:00:18,832 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:00:18" (1/1) ... [2024-05-05 22:00:18,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:00:18" (1/1) ... [2024-05-05 22:00:18,835 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:00:18" (1/1) ... [2024-05-05 22:00:18,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:00:18" (1/1) ... [2024-05-05 22:00:18,841 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:00:18" (1/1) ... [2024-05-05 22:00:18,845 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:00:18" (1/1) ... [2024-05-05 22:00:18,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:00:18" (1/1) ... [2024-05-05 22:00:18,847 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:00:18" (1/1) ... [2024-05-05 22:00:18,849 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-05 22:00:18,860 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-05 22:00:18,860 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-05 22:00:18,860 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-05 22:00:18,861 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:00:18" (1/1) ... [2024-05-05 22:00:18,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 22:00:18,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:00:18,898 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 22:00:18,920 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 22:00:18,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-05 22:00:18,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-05 22:00:18,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-05 22:00:18,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-05 22:00:18,939 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-05 22:00:18,939 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-05 22:00:18,939 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-05 22:00:18,939 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-05 22:00:18,939 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-05 22:00:18,939 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-05 22:00:18,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-05 22:00:18,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-05 22:00:18,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-05 22:00:18,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-05 22:00:18,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-05 22:00:18,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-05 22:00:18,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-05 22:00:18,943 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 22:00:19,021 INFO L241 CfgBuilder]: Building ICFG [2024-05-05 22:00:19,023 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-05 22:00:19,357 INFO L282 CfgBuilder]: Performing block encoding [2024-05-05 22:00:19,462 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-05 22:00:19,462 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2024-05-05 22:00:19,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 10:00:19 BoogieIcfgContainer [2024-05-05 22:00:19,463 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-05 22:00:19,465 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-05 22:00:19,465 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-05 22:00:19,467 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-05 22:00:19,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.05 10:00:18" (1/3) ... [2024-05-05 22:00:19,468 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5329c081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 10:00:19, skipping insertion in model container [2024-05-05 22:00:19,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:00:18" (2/3) ... [2024-05-05 22:00:19,468 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5329c081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 10:00:19, skipping insertion in model container [2024-05-05 22:00:19,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 10:00:19" (3/3) ... [2024-05-05 22:00:19,469 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-queue-add-3.wvr.c [2024-05-05 22:00:19,475 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-05 22:00:19,486 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-05 22:00:19,486 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-05 22:00:19,486 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-05 22:00:19,534 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-05 22:00:19,589 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 22:00:19,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 22:00:19,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:00:19,593 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 22:00:19,596 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 22:00:19,627 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 22:00:19,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:00:19,638 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 22:00:19,644 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;@54767976, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546, mConComCheckerConditionCriterion=false [2024-05-05 22:00:19,644 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-05 22:00:19,733 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:00:19,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:00:19,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1416582741, now seen corresponding path program 1 times [2024-05-05 22:00:19,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:00:19,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77863196] [2024-05-05 22:00:19,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:00:19,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:00:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:00:20,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 22:00:20,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:00:20,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77863196] [2024-05-05 22:00:20,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77863196] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 22:00:20,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 22:00:20,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 22:00:20,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010920556] [2024-05-05 22:00:20,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 22:00:20,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 22:00:20,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:00:20,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 22:00:20,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 22:00:20,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:20,153 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:00:20,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 86.0) internal successors, (172), 2 states have internal predecessors, (172), 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 22:00:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:20,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:20,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-05 22:00:20,212 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:00:20,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:00:20,213 INFO L85 PathProgramCache]: Analyzing trace with hash -267123930, now seen corresponding path program 1 times [2024-05-05 22:00:20,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:00:20,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078597919] [2024-05-05 22:00:20,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:00:20,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:00:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:00:20,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 22:00:20,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:00:20,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078597919] [2024-05-05 22:00:20,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078597919] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 22:00:20,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 22:00:20,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 22:00:20,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619972012] [2024-05-05 22:00:20,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 22:00:20,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 22:00:20,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:00:20,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 22:00:20,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-05 22:00:20,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:20,567 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:00:20,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 6 states have internal predecessors, (166), 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 22:00:20,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:20,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:20,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:20,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:20,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-05 22:00:20,698 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:00:20,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:00:20,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1551417394, now seen corresponding path program 1 times [2024-05-05 22:00:20,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:00:20,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326276845] [2024-05-05 22:00:20,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:00:20,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:00:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:00:20,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 22:00:20,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:00:20,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326276845] [2024-05-05 22:00:20,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326276845] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 22:00:20,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 22:00:20,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 22:00:20,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784126455] [2024-05-05 22:00:20,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 22:00:20,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 22:00:20,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:00:21,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 22:00:21,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-05 22:00:21,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:21,009 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:00:21,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.0) internal successors, (174), 6 states have internal predecessors, (174), 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 22:00:21,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:21,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:21,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:21,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:21,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:21,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:21,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-05 22:00:21,105 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:00:21,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:00:21,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1072635095, now seen corresponding path program 1 times [2024-05-05 22:00:21,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:00:21,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117661806] [2024-05-05 22:00:21,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:00:21,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:00:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:00:21,377 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 22:00:21,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:00:21,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117661806] [2024-05-05 22:00:21,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117661806] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:00:21,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104358233] [2024-05-05 22:00:21,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:00:21,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:00:21,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:00:21,426 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 22:00:21,430 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 22:00:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:00:21,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-05 22:00:21,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:00:21,847 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 22:00:21,847 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:00:22,174 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 22:00:22,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104358233] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:00:22,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:00:22,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-05-05 22:00:22,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272098461] [2024-05-05 22:00:22,175 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:00:22,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-05-05 22:00:22,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:00:22,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-05-05 22:00:22,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-05-05 22:00:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:22,205 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:00:22,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.736842105263158) internal successors, (261), 19 states have internal predecessors, (261), 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 22:00:22,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:22,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:22,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:22,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:22,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:22,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:22,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:22,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:22,459 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-05 22:00:22,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:00:22,652 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:00:22,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:00:22,653 INFO L85 PathProgramCache]: Analyzing trace with hash 357697589, now seen corresponding path program 2 times [2024-05-05 22:00:22,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:00:22,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59520475] [2024-05-05 22:00:22,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:00:22,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:00:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:00:23,618 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 22:00:23,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:00:23,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59520475] [2024-05-05 22:00:23,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59520475] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:00:23,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637433747] [2024-05-05 22:00:23,619 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 22:00:23,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:00:23,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:00:23,621 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 22:00:23,626 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 22:00:23,753 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 22:00:23,754 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 22:00:23,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 23 conjunts are in the unsatisfiable core [2024-05-05 22:00:23,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:00:24,286 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 22:00:24,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 15 [2024-05-05 22:00:24,394 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 22:00:24,394 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:00:24,528 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-05-05 22:00:24,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 12 [2024-05-05 22:00:25,515 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 22:00:25,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637433747] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:00:25,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:00:25,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 14, 14] total 40 [2024-05-05 22:00:25,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937499545] [2024-05-05 22:00:25,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:00:25,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-05-05 22:00:25,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:00:25,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-05-05 22:00:25,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=274, Invalid=1286, Unknown=0, NotChecked=0, Total=1560 [2024-05-05 22:00:25,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:25,544 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:00:25,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 10.95) internal successors, (438), 40 states have internal predecessors, (438), 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 22:00:25,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:25,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:25,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:25,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:25,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:26,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:26,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:26,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:26,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:26,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:00:26,634 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 22:00:26,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:00:26,830 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:00:26,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:00:26,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1621017779, now seen corresponding path program 1 times [2024-05-05 22:00:26,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:00:26,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512045282] [2024-05-05 22:00:26,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:00:26,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:00:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:00:27,082 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-05 22:00:27,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:00:27,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512045282] [2024-05-05 22:00:27,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512045282] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:00:27,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293699101] [2024-05-05 22:00:27,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:00:27,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:00:27,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:00:27,085 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 22:00:27,116 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 22:00:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:00:27,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-05 22:00:27,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:00:27,339 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-05 22:00:27,339 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:00:27,531 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-05 22:00:27,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293699101] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:00:27,532 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:00:27,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-05-05 22:00:27,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581408482] [2024-05-05 22:00:27,532 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:00:27,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-05-05 22:00:27,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:00:27,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-05-05 22:00:27,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-05-05 22:00:27,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:27,547 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:00:27,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.947368421052632) internal successors, (265), 19 states have internal predecessors, (265), 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 22:00:27,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:27,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:27,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:27,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:27,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:00:27,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:27,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:27,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:27,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:27,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:27,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:00:27,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:27,753 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 22:00:27,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:00:27,954 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:00:27,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:00:27,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1711040892, now seen corresponding path program 2 times [2024-05-05 22:00:27,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:00:27,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630842080] [2024-05-05 22:00:27,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:00:27,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:00:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:00:29,350 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 1 proven. 38 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-05 22:00:29,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:00:29,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630842080] [2024-05-05 22:00:29,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630842080] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:00:29,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269216422] [2024-05-05 22:00:29,351 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 22:00:29,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:00:29,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:00:29,357 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 22:00:29,385 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 22:00:29,494 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 22:00:29,494 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 22:00:29,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 25 conjunts are in the unsatisfiable core [2024-05-05 22:00:29,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:00:29,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 8 [2024-05-05 22:00:30,024 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-05-05 22:00:30,024 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:00:30,200 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-05-05 22:00:30,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 11 [2024-05-05 22:00:31,123 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-05 22:00:31,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269216422] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:00:31,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:00:31,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 14, 15] total 48 [2024-05-05 22:00:31,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832049192] [2024-05-05 22:00:31,124 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:00:31,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-05-05 22:00:31,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:00:31,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-05-05 22:00:31,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=264, Invalid=1992, Unknown=0, NotChecked=0, Total=2256 [2024-05-05 22:00:31,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:31,142 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:00:31,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 10.125) internal successors, (486), 48 states have internal predecessors, (486), 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 22:00:31,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:31,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:31,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:31,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:31,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:00:31,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:31,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:33,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:33,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:33,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:33,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:33,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:00:33,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:33,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:00:33,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-05 22:00:33,334 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,SelfDestructingSolverStorable6 [2024-05-05 22:00:33,335 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:00:33,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:00:33,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1713059373, now seen corresponding path program 1 times [2024-05-05 22:00:33,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:00:33,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024383813] [2024-05-05 22:00:33,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:00:33,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:00:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:00:35,067 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-05 22:00:35,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:00:35,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024383813] [2024-05-05 22:00:35,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024383813] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:00:35,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739981936] [2024-05-05 22:00:35,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:00:35,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:00:35,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:00:35,069 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 22:00:35,094 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 22:00:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:00:35,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 38 conjunts are in the unsatisfiable core [2024-05-05 22:00:35,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:00:36,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-05-05 22:00:36,034 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 13 proven. 55 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-05 22:00:36,034 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:00:36,144 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-05-05 22:00:36,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 12 [2024-05-05 22:00:37,387 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 3 proven. 65 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-05 22:00:37,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739981936] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:00:37,387 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:00:37,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 19, 20] total 57 [2024-05-05 22:00:37,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829084603] [2024-05-05 22:00:37,388 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:00:37,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-05-05 22:00:37,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:00:37,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-05-05 22:00:37,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=771, Invalid=2421, Unknown=0, NotChecked=0, Total=3192 [2024-05-05 22:00:37,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:37,410 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:00:37,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 9.263157894736842) internal successors, (528), 57 states have internal predecessors, (528), 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 22:00:37,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:37,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:37,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:37,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:37,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:00:37,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:37,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:00:37,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:38,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:38,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:38,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:38,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:38,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:00:38,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:38,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:00:38,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:00:38,756 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 22:00:38,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:00:38,950 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:00:38,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:00:38,950 INFO L85 PathProgramCache]: Analyzing trace with hash -108797209, now seen corresponding path program 2 times [2024-05-05 22:00:38,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:00:38,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953682975] [2024-05-05 22:00:38,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:00:38,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:00:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:00:39,544 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 25 proven. 145 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-05-05 22:00:39,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:00:39,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953682975] [2024-05-05 22:00:39,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953682975] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:00:39,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863187365] [2024-05-05 22:00:39,545 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 22:00:39,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:00:39,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:00:39,546 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 22:00:39,571 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 22:00:39,698 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 22:00:39,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 22:00:39,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 15 conjunts are in the unsatisfiable core [2024-05-05 22:00:39,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:00:40,135 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 86 proven. 27 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-05-05 22:00:40,135 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:00:40,532 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 46 proven. 67 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-05-05 22:00:40,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863187365] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:00:40,532 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:00:40,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 15, 15] total 46 [2024-05-05 22:00:40,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390135320] [2024-05-05 22:00:40,532 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:00:40,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-05-05 22:00:40,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:00:40,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-05-05 22:00:40,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=1849, Unknown=0, NotChecked=0, Total=2070 [2024-05-05 22:00:40,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:40,559 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:00:40,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 11.043478260869565) internal successors, (508), 46 states have internal predecessors, (508), 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 22:00:40,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:40,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:40,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:40,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:40,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:00:40,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:40,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:00:40,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:00:40,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:41,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:41,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:41,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:41,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:41,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:00:41,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:41,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:00:41,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:00:41,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:00:41,791 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 22:00:41,990 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,SelfDestructingSolverStorable8 [2024-05-05 22:00:41,991 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:00:41,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:00:41,991 INFO L85 PathProgramCache]: Analyzing trace with hash 162465412, now seen corresponding path program 3 times [2024-05-05 22:00:41,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:00:41,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084580360] [2024-05-05 22:00:41,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:00:41,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:00:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:00:43,269 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 15 proven. 200 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-05 22:00:43,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:00:43,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084580360] [2024-05-05 22:00:43,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084580360] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:00:43,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718416534] [2024-05-05 22:00:43,269 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-05 22:00:43,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:00:43,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:00:43,271 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 22:00:43,288 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 22:00:43,615 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-05-05 22:00:43,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 22:00:43,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-05 22:00:43,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:00:43,965 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 39 proven. 23 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-05-05 22:00:43,965 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:00:44,107 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-05-05 22:00:44,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 12 [2024-05-05 22:00:44,737 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 24 proven. 64 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2024-05-05 22:00:44,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718416534] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:00:44,737 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:00:44,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 7, 11] total 46 [2024-05-05 22:00:44,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283588816] [2024-05-05 22:00:44,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:00:44,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-05-05 22:00:44,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:00:44,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-05-05 22:00:44,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=1865, Unknown=0, NotChecked=0, Total=2070 [2024-05-05 22:00:44,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:44,767 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:00:44,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 12.26086956521739) internal successors, (564), 46 states have internal predecessors, (564), 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 22:00:44,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:44,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:44,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:44,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:44,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:00:44,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:44,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:00:44,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:00:44,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:00:44,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:46,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:46,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:00:46,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:46,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:00:46,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:00:46,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:00:46,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-05 22:00:46,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-05 22:00:46,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:00:46,394 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:00:46,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:00:46,395 INFO L85 PathProgramCache]: Analyzing trace with hash -624048406, now seen corresponding path program 4 times [2024-05-05 22:00:46,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:00:46,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672543607] [2024-05-05 22:00:46,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:00:46,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:00:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:00:46,902 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 148 proven. 184 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-05-05 22:00:46,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:00:46,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672543607] [2024-05-05 22:00:46,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672543607] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:00:46,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056344213] [2024-05-05 22:00:46,903 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-05 22:00:46,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:00:46,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:00:46,904 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 22:00:46,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-05 22:00:47,060 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-05 22:00:47,060 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 22:00:47,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-05 22:00:47,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:00:47,512 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 265 proven. 52 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-05-05 22:00:47,513 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:00:47,990 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 175 proven. 142 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-05-05 22:00:47,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056344213] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:00:47,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:00:47,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 18] total 48 [2024-05-05 22:00:47,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825022913] [2024-05-05 22:00:47,990 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:00:47,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-05-05 22:00:47,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:00:48,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-05-05 22:00:48,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=358, Invalid=1898, Unknown=0, NotChecked=0, Total=2256 [2024-05-05 22:00:48,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:48,024 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:00:48,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 9.645833333333334) internal successors, (463), 48 states have internal predecessors, (463), 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 22:00:48,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:48,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:48,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:48,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:48,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:00:48,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:48,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:00:48,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:00:48,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:00:48,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-05 22:00:48,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:48,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:48,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:48,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:48,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:48,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:00:48,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:48,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:00:48,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:00:48,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:00:48,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-05 22:00:48,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:00:48,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-05 22:00:48,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:00:48,820 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:00:48,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:00:48,821 INFO L85 PathProgramCache]: Analyzing trace with hash 2065122593, now seen corresponding path program 5 times [2024-05-05 22:00:48,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:00:48,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118048149] [2024-05-05 22:00:48,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:00:48,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:00:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:00:49,423 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 148 proven. 217 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-05-05 22:00:49,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:00:49,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118048149] [2024-05-05 22:00:49,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118048149] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:00:49,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800964773] [2024-05-05 22:00:49,424 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-05 22:00:49,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:00:49,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:00:49,425 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 22:00:49,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-05 22:00:49,809 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-05-05 22:00:49,809 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 22:00:49,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 11 conjunts are in the unsatisfiable core [2024-05-05 22:00:49,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:00:50,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 8 [2024-05-05 22:00:50,089 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 130 proven. 6 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2024-05-05 22:00:50,089 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:00:50,135 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-05-05 22:00:50,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 11 [2024-05-05 22:00:50,574 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 130 proven. 6 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2024-05-05 22:00:50,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1800964773] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:00:50,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:00:50,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 8, 8] total 33 [2024-05-05 22:00:50,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108421992] [2024-05-05 22:00:50,575 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:00:50,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-05-05 22:00:50,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:00:50,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-05-05 22:00:50,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=938, Unknown=0, NotChecked=0, Total=1056 [2024-05-05 22:00:50,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:50,635 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:00:50,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 16.484848484848484) internal successors, (544), 33 states have internal predecessors, (544), 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 22:00:50,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:50,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:50,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:50,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:50,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:00:50,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:50,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:00:50,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:00:50,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:00:50,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-05 22:00:50,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:00:50,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:51,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:51,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:51,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:51,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:51,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:00:51,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:51,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:00:51,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:00:51,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:00:51,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:00:51,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:00:51,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:00:51,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-05 22:00:51,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-05-05 22:00:51,864 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:00:51,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:00:51,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1355156670, now seen corresponding path program 6 times [2024-05-05 22:00:51,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:00:51,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449866337] [2024-05-05 22:00:51,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:00:51,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:00:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:00:52,538 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 152 proven. 402 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-05-05 22:00:52,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:00:52,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449866337] [2024-05-05 22:00:52,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449866337] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:00:52,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498676651] [2024-05-05 22:00:52,539 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-05 22:00:52,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:00:52,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:00:52,540 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 22:00:52,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-05 22:00:53,228 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-05-05 22:00:53,228 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 22:00:53,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 16 conjunts are in the unsatisfiable core [2024-05-05 22:00:53,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:00:53,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 8 [2024-05-05 22:00:53,506 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 244 proven. 61 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-05-05 22:00:53,506 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:00:53,552 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-05 22:00:53,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 13 [2024-05-05 22:00:53,741 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 244 proven. 61 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-05-05 22:00:53,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498676651] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:00:53,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:00:53,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 8, 8] total 31 [2024-05-05 22:00:53,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244135187] [2024-05-05 22:00:53,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:00:53,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-05-05 22:00:53,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:00:53,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-05-05 22:00:53,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=821, Unknown=0, NotChecked=0, Total=930 [2024-05-05 22:00:53,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:53,783 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:00:53,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 14.32258064516129) internal successors, (444), 31 states have internal predecessors, (444), 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 22:00:53,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:53,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:53,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:53,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:53,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:00:53,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:53,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:00:53,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:00:53,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:00:53,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:00:53,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:00:53,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:00:53,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:55,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:55,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:55,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:55,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:55,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:00:55,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:55,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:00:55,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:00:55,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:00:55,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:00:55,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:00:55,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:00:55,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:00:55,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-05 22:00:55,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:00:55,223 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:00:55,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:00:55,223 INFO L85 PathProgramCache]: Analyzing trace with hash -2087764773, now seen corresponding path program 7 times [2024-05-05 22:00:55,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:00:55,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339726794] [2024-05-05 22:00:55,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:00:55,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:00:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:00:56,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1052 backedges. 170 proven. 627 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-05-05 22:00:56,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:00:56,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339726794] [2024-05-05 22:00:56,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339726794] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:00:56,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332187465] [2024-05-05 22:00:56,005 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-05 22:00:56,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:00:56,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:00:56,007 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 22:00:56,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-05 22:00:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:00:56,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 27 conjunts are in the unsatisfiable core [2024-05-05 22:00:56,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:00:57,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1052 backedges. 586 proven. 175 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-05-05 22:00:57,126 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:00:58,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1052 backedges. 536 proven. 225 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-05-05 22:00:58,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332187465] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:00:58,048 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:00:58,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 76 [2024-05-05 22:00:58,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843615606] [2024-05-05 22:00:58,048 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:00:58,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2024-05-05 22:00:58,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:00:58,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2024-05-05 22:00:58,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=612, Invalid=5088, Unknown=0, NotChecked=0, Total=5700 [2024-05-05 22:00:58,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:58,128 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:00:58,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 9.407894736842104) internal successors, (715), 76 states have internal predecessors, (715), 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 22:00:58,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:00:58,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:58,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:00:58,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:58,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:00:58,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:00:58,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:00:58,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:00:58,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:00:58,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:00:58,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:00:58,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:00:58,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:00:58,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:01:00,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:01:00,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:01:00,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:01:00,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:01:00,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:01:00,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:01:00,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:01:00,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:01:00,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:01:00,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:01:00,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:01:00,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:01:00,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:01:00,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:01:00,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-05-05 22:01:00,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-05-05 22:01:00,307 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:01:00,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:01:00,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1018633758, now seen corresponding path program 8 times [2024-05-05 22:01:00,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:01:00,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435003235] [2024-05-05 22:01:00,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:01:00,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:01:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:01:01,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1166 backedges. 238 proven. 648 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-05-05 22:01:01,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:01:01,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435003235] [2024-05-05 22:01:01,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435003235] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:01:01,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860881935] [2024-05-05 22:01:01,201 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 22:01:01,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:01:01,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:01:01,202 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 22:01:01,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-05 22:01:01,440 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 22:01:01,440 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 22:01:01,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 30 conjunts are in the unsatisfiable core [2024-05-05 22:01:01,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:01:02,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1166 backedges. 637 proven. 232 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-05-05 22:01:02,468 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:01:03,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1166 backedges. 531 proven. 338 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-05-05 22:01:03,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860881935] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:01:03,557 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:01:03,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 85 [2024-05-05 22:01:03,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687657923] [2024-05-05 22:01:03,558 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:01:03,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-05-05 22:01:03,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:01:03,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-05-05 22:01:03,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=755, Invalid=6385, Unknown=0, NotChecked=0, Total=7140 [2024-05-05 22:01:03,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:01:03,665 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:01:03,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 9.058823529411764) internal successors, (770), 85 states have internal predecessors, (770), 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 22:01:03,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:01:03,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:01:03,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:01:03,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:01:03,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:01:03,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:01:03,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:01:03,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:01:03,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:01:03,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:01:03,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:01:03,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:01:03,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:01:03,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:01:03,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:01:06,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:01:06,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:01:06,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:01:06,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:01:06,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:01:06,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:01:06,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:01:06,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:01:06,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:01:06,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:01:06,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:01:06,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:01:06,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:01:06,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:01:06,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:01:06,010 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-05-05 22:01:06,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-05-05 22:01:06,203 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:01:06,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:01:06,203 INFO L85 PathProgramCache]: Analyzing trace with hash 2055828577, now seen corresponding path program 9 times [2024-05-05 22:01:06,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:01:06,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442371981] [2024-05-05 22:01:06,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:01:06,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:01:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:01:07,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 465 proven. 523 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2024-05-05 22:01:07,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:01:07,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442371981] [2024-05-05 22:01:07,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442371981] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:01:07,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5383488] [2024-05-05 22:01:07,217 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-05 22:01:07,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:01:07,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:01:07,218 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 22:01:07,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-05 22:01:08,483 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2024-05-05 22:01:08,484 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 22:01:08,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 801 conjuncts, 48 conjunts are in the unsatisfiable core [2024-05-05 22:01:08,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:01:09,898 INFO L349 Elim1Store]: treesize reduction 36, result has 7.7 percent of original size [2024-05-05 22:01:09,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 61 treesize of output 19 [2024-05-05 22:01:09,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 363 proven. 353 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-05-05 22:01:09,938 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:01:10,642 INFO L349 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2024-05-05 22:01:10,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 65 treesize of output 39 [2024-05-05 22:01:11,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 7 proven. 709 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-05-05 22:01:11,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5383488] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:01:11,727 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:01:11,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 34, 34] total 96 [2024-05-05 22:01:11,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646902206] [2024-05-05 22:01:11,727 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:01:11,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-05-05 22:01:11,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:01:11,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-05-05 22:01:11,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1171, Invalid=7949, Unknown=0, NotChecked=0, Total=9120 [2024-05-05 22:01:11,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:01:11,831 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:01:11,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 6.572916666666667) internal successors, (631), 96 states have internal predecessors, (631), 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 22:01:11,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:01:11,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:01:11,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:01:11,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:01:11,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:01:11,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:01:11,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:01:11,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:01:11,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:01:11,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:01:11,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:01:11,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:01:11,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:01:11,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:01:11,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:01:11,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:01:15,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:01:15,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:01:15,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:01:15,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:01:15,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:01:15,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:01:15,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:01:15,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:01:15,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:01:15,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:01:15,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:01:15,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:01:15,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:01:15,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:01:15,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:01:15,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:01:15,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-05-05 22:01:15,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-05-05 22:01:15,459 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:01:15,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:01:15,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1539251755, now seen corresponding path program 10 times [2024-05-05 22:01:15,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:01:15,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759151887] [2024-05-05 22:01:15,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:01:15,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:01:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:01:16,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1226 backedges. 256 proven. 659 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2024-05-05 22:01:16,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:01:16,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759151887] [2024-05-05 22:01:16,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759151887] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:01:16,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638269249] [2024-05-05 22:01:16,476 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-05 22:01:16,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:01:16,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:01:16,477 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 22:01:16,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-05-05 22:01:16,658 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-05 22:01:16,658 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 22:01:16,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 814 conjuncts, 36 conjunts are in the unsatisfiable core [2024-05-05 22:01:16,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:01:17,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1226 backedges. 545 proven. 370 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2024-05-05 22:01:17,888 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:01:19,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1226 backedges. 474 proven. 441 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2024-05-05 22:01:19,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638269249] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:01:19,186 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:01:19,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 100 [2024-05-05 22:01:19,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296624516] [2024-05-05 22:01:19,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:01:19,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2024-05-05 22:01:19,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:01:19,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2024-05-05 22:01:19,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1427, Invalid=8473, Unknown=0, NotChecked=0, Total=9900 [2024-05-05 22:01:19,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:01:19,298 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:01:19,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 7.64) internal successors, (764), 100 states have internal predecessors, (764), 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 22:01:19,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:01:19,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:01:19,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:01:19,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:01:19,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:01:19,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:01:19,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:01:19,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:01:19,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:01:19,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:01:19,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:01:19,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:01:19,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:01:19,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:01:19,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:01:19,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:01:19,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:01:20,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:01:20,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:01:20,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:01:20,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:01:20,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:01:20,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:01:20,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:01:20,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:01:20,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:01:20,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:01:20,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:01:20,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:01:20,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:01:20,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:01:20,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:01:20,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:01:20,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:01:20,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-05-05 22:01:20,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-05-05 22:01:20,709 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:01:20,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:01:20,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1201376097, now seen corresponding path program 11 times [2024-05-05 22:01:20,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:01:20,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450236234] [2024-05-05 22:01:20,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:01:20,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:01:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:01:23,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 164 proven. 846 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-05-05 22:01:23,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:01:23,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450236234] [2024-05-05 22:01:23,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450236234] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:01:23,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545209666] [2024-05-05 22:01:23,236 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-05 22:01:23,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:01:23,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:01:23,237 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 22:01:23,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-05-05 22:01:25,060 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2024-05-05 22:01:25,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 22:01:25,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 75 conjunts are in the unsatisfiable core [2024-05-05 22:01:25,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:01:27,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 64 proven. 946 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-05-05 22:01:27,517 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:01:27,877 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-05 22:01:27,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-05-05 22:01:31,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 221 proven. 789 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-05-05 22:01:31,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545209666] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:01:31,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:01:31,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 48] total 141 [2024-05-05 22:01:31,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326111797] [2024-05-05 22:01:31,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:01:31,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 141 states [2024-05-05 22:01:31,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:01:31,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2024-05-05 22:01:31,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3231, Invalid=16509, Unknown=0, NotChecked=0, Total=19740 [2024-05-05 22:01:31,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:01:31,278 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:01:31,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 141 states, 141 states have (on average 7.120567375886525) internal successors, (1004), 141 states have internal predecessors, (1004), 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 22:01:31,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:01:31,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:01:31,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:01:31,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:01:31,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:01:31,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:01:31,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:01:31,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:01:31,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:01:31,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:01:31,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:01:31,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:01:31,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:01:31,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:01:31,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:01:31,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:01:31,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:01:31,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:01:34,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:01:34,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:01:34,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:01:34,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:01:34,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:01:34,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:01:34,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:01:34,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:01:34,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:01:34,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:01:34,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:01:34,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:01:34,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:01:34,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:01:34,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:01:34,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:01:34,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:01:34,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:01:34,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-05-05 22:01:34,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-05-05 22:01:34,585 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:01:34,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:01:34,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1631400481, now seen corresponding path program 12 times [2024-05-05 22:01:34,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:01:34,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636221586] [2024-05-05 22:01:34,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:01:34,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:01:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:01:35,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1735 backedges. 616 proven. 547 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-05-05 22:01:35,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:01:35,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636221586] [2024-05-05 22:01:35,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636221586] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:01:35,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712982927] [2024-05-05 22:01:35,663 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-05 22:01:35,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:01:35,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:01:35,664 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 22:01:35,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-05-05 22:01:40,739 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2024-05-05 22:01:40,739 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 22:01:40,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 1016 conjuncts, 32 conjunts are in the unsatisfiable core [2024-05-05 22:01:40,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:01:41,521 INFO L349 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2024-05-05 22:01:41,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 13 [2024-05-05 22:01:41,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1735 backedges. 92 proven. 580 refuted. 0 times theorem prover too weak. 1063 trivial. 0 not checked. [2024-05-05 22:01:41,561 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:01:41,695 INFO L349 Elim1Store]: treesize reduction 10, result has 47.4 percent of original size [2024-05-05 22:01:41,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 21 [2024-05-05 22:01:42,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1735 backedges. 67 proven. 827 refuted. 0 times theorem prover too weak. 841 trivial. 0 not checked. [2024-05-05 22:01:42,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712982927] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:01:42,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:01:42,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 11, 26] total 66 [2024-05-05 22:01:42,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508385876] [2024-05-05 22:01:42,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:01:42,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-05-05 22:01:42,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:01:43,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-05-05 22:01:43,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=492, Invalid=3798, Unknown=0, NotChecked=0, Total=4290 [2024-05-05 22:01:43,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:01:43,157 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:01:43,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 12.363636363636363) internal successors, (816), 66 states have internal predecessors, (816), 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 22:01:43,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:01:43,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:01:43,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:01:43,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:01:43,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:01:43,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:01:43,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:01:43,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:01:43,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:01:43,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:01:43,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:01:43,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:01:43,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:01:43,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:01:43,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:01:43,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:01:43,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:01:43,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:01:43,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:01:44,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:01:44,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:01:44,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:01:44,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:01:44,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:01:44,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:01:44,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:01:44,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:01:44,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:01:44,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:01:44,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:01:44,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:01:44,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:01:44,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:01:44,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:01:44,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:01:44,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:01:44,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:01:44,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-05 22:01:44,858 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-05-05 22:01:45,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:01:45,048 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:01:45,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:01:45,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1947445392, now seen corresponding path program 13 times [2024-05-05 22:01:45,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:01:45,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929668702] [2024-05-05 22:01:45,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:01:45,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:01:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:01:46,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1576 backedges. 330 proven. 869 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-05-05 22:01:46,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:01:46,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929668702] [2024-05-05 22:01:46,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929668702] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:01:46,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126048143] [2024-05-05 22:01:46,357 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-05 22:01:46,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:01:46,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:01:46,358 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 22:01:46,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-05-05 22:01:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:01:46,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 976 conjuncts, 42 conjunts are in the unsatisfiable core [2024-05-05 22:01:46,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:01:47,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1576 backedges. 659 proven. 540 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-05-05 22:01:47,990 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:01:49,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1576 backedges. 592 proven. 607 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-05-05 22:01:49,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2126048143] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:01:49,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:01:49,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 42, 42] total 118 [2024-05-05 22:01:49,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713713550] [2024-05-05 22:01:49,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:01:49,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 118 states [2024-05-05 22:01:49,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:01:49,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2024-05-05 22:01:49,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1969, Invalid=11837, Unknown=0, NotChecked=0, Total=13806 [2024-05-05 22:01:49,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:01:49,770 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:01:49,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 118 states, 118 states have (on average 7.313559322033898) internal successors, (863), 118 states have internal predecessors, (863), 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 22:01:49,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:01:49,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:01:49,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:01:49,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:01:49,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:01:49,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:01:49,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:01:49,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:01:49,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:01:49,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:01:49,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:01:49,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:01:49,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:01:49,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:01:49,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:01:49,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:01:49,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:01:49,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:01:49,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-05 22:01:49,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:01:51,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:01:51,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:01:51,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:01:51,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:01:51,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:01:51,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:01:51,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:01:51,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:01:51,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:01:51,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:01:51,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:01:51,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:01:51,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:01:51,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:01:51,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:01:51,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:01:51,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:01:51,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:01:51,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-05 22:01:51,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-05 22:01:51,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-05-05 22:01:51,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:01:51,410 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:01:51,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:01:51,411 INFO L85 PathProgramCache]: Analyzing trace with hash -770022908, now seen corresponding path program 14 times [2024-05-05 22:01:51,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:01:51,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992683438] [2024-05-05 22:01:51,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:01:51,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:01:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:01:54,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1673 backedges. 208 proven. 1095 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-05-05 22:01:54,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:01:54,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992683438] [2024-05-05 22:01:54,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992683438] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:01:54,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951253847] [2024-05-05 22:01:54,229 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 22:01:54,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:01:54,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:01:54,230 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 22:01:54,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-05-05 22:01:54,475 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 22:01:54,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 22:01:54,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 990 conjuncts, 87 conjunts are in the unsatisfiable core [2024-05-05 22:01:54,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:01:57,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1673 backedges. 55 proven. 1248 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-05-05 22:01:57,444 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:01:57,913 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-05 22:01:57,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-05-05 22:02:01,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1673 backedges. 140 proven. 1163 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-05-05 22:02:01,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951253847] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:02:01,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:02:01,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55, 54] total 159 [2024-05-05 22:02:01,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920630289] [2024-05-05 22:02:01,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:02:01,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 159 states [2024-05-05 22:02:01,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:02:01,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2024-05-05 22:02:01,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4013, Invalid=21109, Unknown=0, NotChecked=0, Total=25122 [2024-05-05 22:02:01,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:02:01,998 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:02:01,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 159 states, 159 states have (on average 6.80503144654088) internal successors, (1082), 159 states have internal predecessors, (1082), 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 22:02:01,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:02:01,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:02:01,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:02:01,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:02:01,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:02:01,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:02:01,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:02:01,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:02:01,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:02:01,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:02:01,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:02:01,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:02:01,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:02:01,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:02:01,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:02:01,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:02:01,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:02:01,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:02:01,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-05 22:02:01,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-05 22:02:01,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:02:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:02:06,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:02:06,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:02:06,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:02:06,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:02:06,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:02:06,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:02:06,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:02:06,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:02:06,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:02:06,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:02:06,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:02:06,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:02:06,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:02:06,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:02:06,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:02:06,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:02:06,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:02:06,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-05 22:02:06,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-05 22:02:06,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-05-05 22:02:06,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-05-05 22:02:06,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:02:06,620 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:02:06,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:02:06,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1719800628, now seen corresponding path program 15 times [2024-05-05 22:02:06,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:02:06,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716961156] [2024-05-05 22:02:06,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:02:06,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:02:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:02:07,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 812 proven. 962 refuted. 0 times theorem prover too weak. 854 trivial. 0 not checked. [2024-05-05 22:02:07,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:02:07,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716961156] [2024-05-05 22:02:07,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716961156] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:02:07,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473994755] [2024-05-05 22:02:07,812 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-05 22:02:07,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:02:07,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:02:07,813 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 22:02:07,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-05-05 22:02:18,995 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-05-05 22:02:18,995 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 22:02:19,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 1064 conjuncts, 36 conjunts are in the unsatisfiable core [2024-05-05 22:02:19,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:02:20,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 1415 proven. 370 refuted. 0 times theorem prover too weak. 843 trivial. 0 not checked. [2024-05-05 22:02:20,288 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:02:21,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 686 proven. 1099 refuted. 0 times theorem prover too weak. 843 trivial. 0 not checked. [2024-05-05 22:02:21,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473994755] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:02:21,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:02:21,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 100 [2024-05-05 22:02:21,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032000708] [2024-05-05 22:02:21,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:02:21,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2024-05-05 22:02:21,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:02:21,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2024-05-05 22:02:21,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1481, Invalid=8419, Unknown=0, NotChecked=0, Total=9900 [2024-05-05 22:02:21,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:02:21,921 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:02:21,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 8.41) internal successors, (841), 100 states have internal predecessors, (841), 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 22:02:21,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:02:21,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:02:21,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:02:21,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:02:21,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:02:21,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:02:21,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:02:21,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:02:21,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:02:21,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:02:21,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:02:21,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:02:21,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:02:21,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:02:21,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:02:21,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:02:21,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:02:21,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:02:21,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-05 22:02:21,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-05 22:02:21,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-05-05 22:02:21,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:02:23,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:02:23,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:02:23,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:02:23,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:02:23,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:02:23,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:02:23,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:02:23,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:02:23,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:02:23,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:02:23,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:02:23,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:02:23,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:02:23,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:02:23,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:02:23,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:02:23,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:02:23,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:02:23,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-05 22:02:23,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-05 22:02:23,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-05-05 22:02:23,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:02:23,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-05-05 22:02:23,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-05-05 22:02:23,286 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:02:23,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:02:23,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1581581155, now seen corresponding path program 16 times [2024-05-05 22:02:23,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:02:23,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369490694] [2024-05-05 22:02:23,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:02:23,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:02:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:02:24,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2709 backedges. 964 proven. 930 refuted. 0 times theorem prover too weak. 815 trivial. 0 not checked. [2024-05-05 22:02:24,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:02:24,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369490694] [2024-05-05 22:02:24,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369490694] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:02:24,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187927415] [2024-05-05 22:02:24,649 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-05 22:02:24,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:02:24,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:02:24,650 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 22:02:24,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-05-05 22:02:24,912 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-05 22:02:24,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 22:02:24,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 48 conjunts are in the unsatisfiable core [2024-05-05 22:02:24,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:02:26,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2709 backedges. 1466 proven. 742 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2024-05-05 22:02:26,895 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:02:28,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2709 backedges. 1281 proven. 927 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2024-05-05 22:02:28,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187927415] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:02:28,931 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:02:28,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 48, 48] total 130 [2024-05-05 22:02:28,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411185029] [2024-05-05 22:02:28,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:02:28,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 130 states [2024-05-05 22:02:28,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:02:29,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2024-05-05 22:02:29,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1865, Invalid=14905, Unknown=0, NotChecked=0, Total=16770 [2024-05-05 22:02:29,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:02:29,163 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:02:29,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 130 states, 130 states have (on average 8.284615384615385) internal successors, (1077), 130 states have internal predecessors, (1077), 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 22:02:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:02:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:02:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:02:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:02:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:02:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:02:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:02:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:02:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:02:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:02:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:02:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:02:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:02:29,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:02:29,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:02:29,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:02:29,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:02:29,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:02:29,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-05 22:02:29,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-05 22:02:29,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-05-05 22:02:29,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:02:29,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:02:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:02:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:02:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:02:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:02:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:02:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:02:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:02:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:02:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:02:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:02:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:02:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:02:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:02:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:02:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:02:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:02:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:02:33,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:02:33,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-05 22:02:33,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-05 22:02:33,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-05-05 22:02:33,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:02:33,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-05-05 22:02:33,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-05-05 22:02:33,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:02:33,311 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:02:33,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:02:33,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1214435194, now seen corresponding path program 17 times [2024-05-05 22:02:33,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:02:33,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063536651] [2024-05-05 22:02:33,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:02:33,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:02:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:02:34,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2911 backedges. 1131 proven. 878 refuted. 0 times theorem prover too weak. 902 trivial. 0 not checked. [2024-05-05 22:02:34,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:02:34,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063536651] [2024-05-05 22:02:34,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063536651] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:02:34,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104003470] [2024-05-05 22:02:34,744 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-05 22:02:34,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:02:34,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:02:34,745 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 22:02:34,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-05-05 22:02:47,534 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-05-05 22:02:47,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 22:02:47,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 52 conjunts are in the unsatisfiable core [2024-05-05 22:02:47,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:02:49,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2911 backedges. 1493 proven. 855 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2024-05-05 22:02:49,687 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:02:52,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2911 backedges. 1189 proven. 1159 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2024-05-05 22:02:52,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104003470] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:02:52,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:02:52,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 52, 52] total 142 [2024-05-05 22:02:52,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279772905] [2024-05-05 22:02:52,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:02:52,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 142 states [2024-05-05 22:02:52,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:02:52,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2024-05-05 22:02:52,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2295, Invalid=17727, Unknown=0, NotChecked=0, Total=20022 [2024-05-05 22:02:52,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:02:52,387 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:02:52,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 142 states, 142 states have (on average 8.640845070422536) internal successors, (1227), 142 states have internal predecessors, (1227), 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 22:02:52,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:02:52,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:02:52,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:02:52,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:02:52,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:02:52,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:02:52,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:02:52,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:02:52,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:02:52,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:02:52,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:02:52,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:02:52,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:02:52,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:02:52,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:02:52,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:02:52,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:02:52,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:02:52,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-05 22:02:52,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-05 22:02:52,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-05-05 22:02:52,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:02:52,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2024-05-05 22:02:52,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:02:57,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:02:57,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:02:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:02:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:02:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:02:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:02:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:02:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:02:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:02:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:02:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:02:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:02:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:02:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:02:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:02:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:02:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:02:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:02:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-05 22:02:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-05 22:02:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-05-05 22:02:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:02:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-05-05 22:02:57,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2024-05-05 22:02:57,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-05-05 22:02:57,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-05-05 22:02:57,406 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:02:57,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:02:57,407 INFO L85 PathProgramCache]: Analyzing trace with hash -304852021, now seen corresponding path program 18 times [2024-05-05 22:02:57,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:02:57,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776500603] [2024-05-05 22:02:57,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:02:57,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:02:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:02:59,167 INFO L134 CoverageAnalysis]: Checked inductivity of 3258 backedges. 1312 proven. 806 refuted. 0 times theorem prover too weak. 1140 trivial. 0 not checked. [2024-05-05 22:02:59,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:02:59,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776500603] [2024-05-05 22:02:59,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776500603] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:02:59,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825803272] [2024-05-05 22:02:59,168 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-05 22:02:59,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:02:59,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:02:59,169 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 22:02:59,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-05-05 22:03:17,515 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2024-05-05 22:03:17,515 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 22:03:17,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 1248 conjuncts, 41 conjunts are in the unsatisfiable core [2024-05-05 22:03:17,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:03:18,908 INFO L349 Elim1Store]: treesize reduction 76, result has 3.8 percent of original size [2024-05-05 22:03:18,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 19 [2024-05-05 22:03:18,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3258 backedges. 184 proven. 1074 refuted. 0 times theorem prover too weak. 2000 trivial. 0 not checked. [2024-05-05 22:03:18,990 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:03:19,697 INFO L349 Elim1Store]: treesize reduction 33, result has 29.8 percent of original size [2024-05-05 22:03:19,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 30 [2024-05-05 22:03:21,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3258 backedges. 61 proven. 1455 refuted. 0 times theorem prover too weak. 1742 trivial. 0 not checked. [2024-05-05 22:03:21,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825803272] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:03:21,558 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:03:21,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 15, 33] total 91 [2024-05-05 22:03:21,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704496663] [2024-05-05 22:03:21,558 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:03:21,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-05-05 22:03:21,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:03:21,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-05-05 22:03:21,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=904, Invalid=7286, Unknown=0, NotChecked=0, Total=8190 [2024-05-05 22:03:21,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:03:21,724 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:03:21,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 10.659340659340659) internal successors, (970), 91 states have internal predecessors, (970), 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 22:03:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:03:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:03:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:03:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:03:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:03:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:03:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:03:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:03:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:03:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:03:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:03:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:03:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:03:21,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:03:21,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:03:21,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:03:21,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:03:21,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:03:21,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-05 22:03:21,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-05 22:03:21,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-05-05 22:03:21,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:03:21,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2024-05-05 22:03:21,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2024-05-05 22:03:21,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:03:26,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-05 22:03:27,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-05 22:03:30,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-05 22:03:35,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:03:35,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:03:35,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:03:35,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:03:35,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:03:35,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:03:35,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:03:35,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:03:35,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:03:35,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:03:35,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:03:35,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:03:35,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-05-05 22:03:35,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:03:35,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:03:35,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:03:35,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:03:35,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:03:35,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-05 22:03:35,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-05 22:03:35,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-05-05 22:03:35,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:03:35,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-05-05 22:03:35,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2024-05-05 22:03:35,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-05 22:03:35,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-05-05 22:03:36,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-05-05 22:03:36,183 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:03:36,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:03:36,183 INFO L85 PathProgramCache]: Analyzing trace with hash -275622322, now seen corresponding path program 19 times [2024-05-05 22:03:36,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:03:36,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489542469] [2024-05-05 22:03:36,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:03:36,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:03:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:03:38,191 INFO L134 CoverageAnalysis]: Checked inductivity of 3489 backedges. 1434 proven. 917 refuted. 0 times theorem prover too weak. 1138 trivial. 0 not checked. [2024-05-05 22:03:38,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:03:38,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489542469] [2024-05-05 22:03:38,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489542469] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:03:38,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534634026] [2024-05-05 22:03:38,192 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-05 22:03:38,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:03:38,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:03:38,193 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 22:03:38,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-05-05 22:03:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:03:38,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 1284 conjuncts, 57 conjunts are in the unsatisfiable core [2024-05-05 22:03:38,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:03:41,175 INFO L134 CoverageAnalysis]: Checked inductivity of 3489 backedges. 1621 proven. 1105 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2024-05-05 22:03:41,176 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:03:44,091 INFO L134 CoverageAnalysis]: Checked inductivity of 3489 backedges. 1407 proven. 1319 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2024-05-05 22:03:44,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534634026] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:03:44,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:03:44,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 57, 57] total 159 [2024-05-05 22:03:44,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903114329] [2024-05-05 22:03:44,092 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:03:44,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 159 states [2024-05-05 22:03:44,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:03:44,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2024-05-05 22:03:44,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2671, Invalid=22451, Unknown=0, NotChecked=0, Total=25122 [2024-05-05 22:03:44,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:03:44,336 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:03:44,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 159 states, 159 states have (on average 7.8427672955974845) internal successors, (1247), 159 states have internal predecessors, (1247), 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 22:03:44,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:03:44,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:03:44,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:03:44,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:03:44,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:03:44,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:03:44,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:03:44,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:03:44,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:03:44,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:03:44,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:03:44,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:03:44,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-05-05 22:03:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:03:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:03:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:03:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:03:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:03:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-05 22:03:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-05 22:03:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-05-05 22:03:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:03:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2024-05-05 22:03:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2024-05-05 22:03:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-05 22:03:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:03:50,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:03:50,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:03:50,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:03:50,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:03:50,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:03:50,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:03:50,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:03:50,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:03:50,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:03:50,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:03:50,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:03:50,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:03:50,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-05-05 22:03:50,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:03:50,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:03:50,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:03:50,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:03:50,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:03:50,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-05 22:03:50,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-05 22:03:50,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-05-05 22:03:50,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:03:50,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-05-05 22:03:50,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2024-05-05 22:03:50,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-05 22:03:50,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-05-05 22:03:51,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-05-05 22:03:51,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:03:51,195 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:03:51,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:03:51,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1105966319, now seen corresponding path program 20 times [2024-05-05 22:03:51,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:03:51,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480278991] [2024-05-05 22:03:51,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:03:51,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:03:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:03:56,372 INFO L134 CoverageAnalysis]: Checked inductivity of 3739 backedges. 999 proven. 1885 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2024-05-05 22:03:56,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:03:56,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480278991] [2024-05-05 22:03:56,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480278991] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:03:56,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729971406] [2024-05-05 22:03:56,372 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 22:03:56,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:03:56,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:03:56,373 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 22:03:56,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-05-05 22:03:56,729 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 22:03:56,729 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 22:03:56,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 1312 conjuncts, 123 conjunts are in the unsatisfiable core [2024-05-05 22:03:56,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:04:01,637 INFO L134 CoverageAnalysis]: Checked inductivity of 3739 backedges. 83 proven. 2801 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2024-05-05 22:04:01,637 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:04:02,284 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-05 22:04:02,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-05-05 22:04:09,637 INFO L134 CoverageAnalysis]: Checked inductivity of 3739 backedges. 83 proven. 2801 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2024-05-05 22:04:09,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729971406] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:04:09,638 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:04:09,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [77, 76, 75] total 223 [2024-05-05 22:04:09,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543001504] [2024-05-05 22:04:09,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:04:09,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 223 states [2024-05-05 22:04:09,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:04:09,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 223 interpolants. [2024-05-05 22:04:09,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7806, Invalid=41700, Unknown=0, NotChecked=0, Total=49506 [2024-05-05 22:04:09,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:04:09,866 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:04:09,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 223 states, 223 states have (on average 6.488789237668161) internal successors, (1447), 223 states have internal predecessors, (1447), 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 22:04:09,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:04:09,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:04:09,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:04:09,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:04:09,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:04:09,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:04:09,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:04:09,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:04:09,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:04:09,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:04:09,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:04:09,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:04:09,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-05-05 22:04:09,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:04:09,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:04:09,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:04:09,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:04:09,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:04:09,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-05 22:04:09,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-05 22:04:09,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2024-05-05 22:04:09,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:04:09,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2024-05-05 22:04:09,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2024-05-05 22:04:09,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-05 22:04:09,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-05-05 22:04:09,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:04:19,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:04:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:04:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:04:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:04:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:04:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:04:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:04:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:04:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:04:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:04:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:04:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:04:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-05-05 22:04:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:04:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:04:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:04:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:04:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:04:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-05 22:04:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-05 22:04:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:04:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:04:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-05-05 22:04:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2024-05-05 22:04:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-05 22:04:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-05-05 22:04:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-05-05 22:04:19,764 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-05-05 22:04:19,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-05-05 22:04:19,958 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:04:19,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:04:19,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1596542071, now seen corresponding path program 21 times [2024-05-05 22:04:19,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:04:19,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559969852] [2024-05-05 22:04:19,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:04:19,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:04:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:04:22,407 INFO L134 CoverageAnalysis]: Checked inductivity of 5972 backedges. 1679 proven. 2523 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-05-05 22:04:22,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:04:22,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559969852] [2024-05-05 22:04:22,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559969852] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:04:22,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840591350] [2024-05-05 22:04:22,407 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-05 22:04:22,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:04:22,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:04:22,408 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 22:04:22,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-05-05 22:05:05,438 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2024-05-05 22:05:05,439 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 22:05:05,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 1390 conjuncts, 57 conjunts are in the unsatisfiable core [2024-05-05 22:05:05,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:05:07,493 INFO L134 CoverageAnalysis]: Checked inductivity of 5972 backedges. 3370 proven. 855 refuted. 0 times theorem prover too weak. 1747 trivial. 0 not checked. [2024-05-05 22:05:07,493 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:05:09,882 INFO L134 CoverageAnalysis]: Checked inductivity of 5972 backedges. 1543 proven. 2682 refuted. 0 times theorem prover too weak. 1747 trivial. 0 not checked. [2024-05-05 22:05:09,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840591350] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:05:09,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:05:09,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51, 51] total 145 [2024-05-05 22:05:09,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353782788] [2024-05-05 22:05:09,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:05:09,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2024-05-05 22:05:09,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:05:10,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2024-05-05 22:05:10,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3031, Invalid=17849, Unknown=0, NotChecked=0, Total=20880 [2024-05-05 22:05:10,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:05:10,625 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:05:10,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 7.972413793103448) internal successors, (1156), 145 states have internal predecessors, (1156), 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 22:05:10,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:05:10,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:05:10,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:05:10,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:05:10,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:05:10,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:05:10,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:05:10,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:05:10,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:05:10,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:05:10,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:05:10,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:05:10,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-05-05 22:05:10,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:05:10,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:05:10,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:05:10,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:05:10,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:05:10,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-05 22:05:10,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-05 22:05:10,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:05:10,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:05:10,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2024-05-05 22:05:10,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2024-05-05 22:05:10,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-05 22:05:10,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-05-05 22:05:10,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-05-05 22:05:10,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:05:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:05:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:05:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:05:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:05:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:05:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:05:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:05:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:05:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:05:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:05:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:05:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:05:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-05-05 22:05:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:05:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:05:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:05:12,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:05:12,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:05:12,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-05 22:05:12,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-05 22:05:12,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:05:12,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:05:12,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-05-05 22:05:12,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2024-05-05 22:05:12,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-05 22:05:12,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-05-05 22:05:12,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-05-05 22:05:12,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-05 22:05:12,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-05-05 22:05:12,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-05-05 22:05:12,936 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:05:12,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:05:12,936 INFO L85 PathProgramCache]: Analyzing trace with hash 340589486, now seen corresponding path program 22 times [2024-05-05 22:05:12,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:05:12,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093996336] [2024-05-05 22:05:12,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:05:12,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:05:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:05:15,516 INFO L134 CoverageAnalysis]: Checked inductivity of 6093 backedges. 1896 proven. 2518 refuted. 0 times theorem prover too weak. 1679 trivial. 0 not checked. [2024-05-05 22:05:15,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:05:15,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093996336] [2024-05-05 22:05:15,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093996336] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:05:15,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429729276] [2024-05-05 22:05:15,516 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-05 22:05:15,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:05:15,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:05:15,517 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 22:05:15,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-05-05 22:05:15,860 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-05 22:05:15,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 22:05:15,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 1452 conjuncts, 63 conjunts are in the unsatisfiable core [2024-05-05 22:05:15,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:05:18,928 INFO L134 CoverageAnalysis]: Checked inductivity of 6093 backedges. 3475 proven. 1387 refuted. 0 times theorem prover too weak. 1231 trivial. 0 not checked. [2024-05-05 22:05:18,929 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:05:22,193 INFO L134 CoverageAnalysis]: Checked inductivity of 6093 backedges. 3212 proven. 1650 refuted. 0 times theorem prover too weak. 1231 trivial. 0 not checked. [2024-05-05 22:05:22,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429729276] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:05:22,193 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:05:22,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 63, 63] total 175 [2024-05-05 22:05:22,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122042954] [2024-05-05 22:05:22,193 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:05:22,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 175 states [2024-05-05 22:05:22,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:05:22,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 175 interpolants. [2024-05-05 22:05:22,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3280, Invalid=27170, Unknown=0, NotChecked=0, Total=30450 [2024-05-05 22:05:22,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:05:22,631 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:05:22,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 175 states, 175 states have (on average 7.908571428571428) internal successors, (1384), 175 states have internal predecessors, (1384), 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 22:05:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:05:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:05:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:05:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:05:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:05:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:05:22,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:05:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:05:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:05:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:05:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:05:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:05:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-05-05 22:05:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:05:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:05:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:05:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:05:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:05:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-05 22:05:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-05 22:05:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:05:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:05:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2024-05-05 22:05:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2024-05-05 22:05:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-05 22:05:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-05-05 22:05:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-05-05 22:05:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-05 22:05:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:05:29,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:05:29,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:05:29,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:05:29,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:05:29,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:05:29,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:05:29,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:05:29,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:05:29,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:05:29,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:05:29,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:05:29,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:05:29,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-05-05 22:05:29,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:05:29,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:05:29,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:05:29,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:05:29,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:05:29,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-05 22:05:29,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-05 22:05:29,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:05:29,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:05:29,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-05-05 22:05:29,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2024-05-05 22:05:29,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-05 22:05:29,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-05-05 22:05:29,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-05-05 22:05:29,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-05 22:05:29,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-05-05 22:05:29,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-05-05 22:05:29,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-05-05 22:05:29,797 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:05:29,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:05:29,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1269524977, now seen corresponding path program 23 times [2024-05-05 22:05:29,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:05:29,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501502103] [2024-05-05 22:05:29,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:05:29,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:05:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:05:32,794 INFO L134 CoverageAnalysis]: Checked inductivity of 6375 backedges. 2091 proven. 2516 refuted. 0 times theorem prover too weak. 1768 trivial. 0 not checked. [2024-05-05 22:05:32,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:05:32,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501502103] [2024-05-05 22:05:32,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501502103] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:05:32,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861936658] [2024-05-05 22:05:32,795 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-05 22:05:32,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:05:32,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:05:32,796 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 22:05:32,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-05-05 22:06:40,704 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) [2024-05-05 22:06:40,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 22:06:40,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 1612 conjuncts, 72 conjunts are in the unsatisfiable core [2024-05-05 22:06:40,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:06:45,149 INFO L134 CoverageAnalysis]: Checked inductivity of 6375 backedges. 3527 proven. 1701 refuted. 0 times theorem prover too weak. 1147 trivial. 0 not checked. [2024-05-05 22:06:45,150 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:06:51,294 INFO L134 CoverageAnalysis]: Checked inductivity of 6375 backedges. 3530 proven. 1698 refuted. 0 times theorem prover too weak. 1147 trivial. 0 not checked. [2024-05-05 22:06:51,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861936658] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:06:51,294 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:06:51,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 73, 72] total 198 [2024-05-05 22:06:51,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739691226] [2024-05-05 22:06:51,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:06:51,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 198 states [2024-05-05 22:06:51,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:06:51,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 198 interpolants. [2024-05-05 22:06:51,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5716, Invalid=33290, Unknown=0, NotChecked=0, Total=39006 [2024-05-05 22:06:51,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:06:51,651 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:06:51,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 198 states, 198 states have (on average 8.1010101010101) internal successors, (1604), 198 states have internal predecessors, (1604), 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 22:06:51,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:06:51,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:06:51,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:06:51,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:06:51,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:06:51,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:06:51,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:06:51,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:06:51,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:06:51,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:06:51,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:06:51,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:06:51,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-05-05 22:06:51,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:06:51,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:06:51,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:06:51,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:06:51,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:06:51,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-05 22:06:51,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-05 22:06:51,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:06:51,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:06:51,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2024-05-05 22:06:51,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2024-05-05 22:06:51,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-05 22:06:51,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-05-05 22:06:51,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-05-05 22:06:51,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-05 22:06:51,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-05-05 22:06:51,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:07:04,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:07:04,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:07:04,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:07:04,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:07:04,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:07:04,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:07:04,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:07:04,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:07:04,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:07:04,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:07:04,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:07:04,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:07:04,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-05-05 22:07:04,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:07:04,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:07:04,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:07:04,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:07:04,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:07:04,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-05 22:07:04,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-05 22:07:04,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:07:04,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:07:04,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-05-05 22:07:04,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2024-05-05 22:07:04,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-05 22:07:04,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-05-05 22:07:04,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-05-05 22:07:04,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-05 22:07:04,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-05-05 22:07:04,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-05-05 22:07:04,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-05-05 22:07:04,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,29 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:07:04,476 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 22:07:04,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:07:04,476 INFO L85 PathProgramCache]: Analyzing trace with hash 851238768, now seen corresponding path program 24 times [2024-05-05 22:07:04,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:07:04,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783250348] [2024-05-05 22:07:04,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:07:04,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:07:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:07:07,827 INFO L134 CoverageAnalysis]: Checked inductivity of 7598 backedges. 2560 proven. 2286 refuted. 0 times theorem prover too weak. 2752 trivial. 0 not checked. [2024-05-05 22:07:07,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:07:07,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783250348] [2024-05-05 22:07:07,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783250348] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:07:07,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834497610] [2024-05-05 22:07:07,828 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-05 22:07:07,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:07:07,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:07:07,829 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 22:07:07,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process Received shutdown request... [2024-05-05 22:14:17,499 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 22:14:17,499 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 22:14:17,500 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 22:14:18,525 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-05-05 22:14:18,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2024-05-05 22:14:18,703 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forcibly destroying the process [2024-05-05 22:14:18,722 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-05-05 22:14:18,722 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-05-05 22:14:18,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2024-05-05 22:14:18,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485716118] [2024-05-05 22:14:18,723 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-05-05 22:14:18,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-05-05 22:14:18,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:14:18,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 137 [2024-05-05 22:14:18,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-05-05 22:14:18,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=596, Invalid=2944, Unknown=0, NotChecked=0, Total=3540 [2024-05-05 22:14:18,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:14:18,918 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:14:18,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 9.266666666666667) internal successors, (556), 60 states have internal predecessors, (556), 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 22:14:18,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:14:18,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:14:18,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 22:14:18,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:14:18,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-05 22:14:18,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:14:18,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 22:14:18,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-05 22:14:18,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 22:14:18,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-05 22:14:18,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-05 22:14:18,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-05 22:14:18,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-05-05 22:14:18,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-05 22:14:18,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:14:18,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:14:18,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:14:18,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-05 22:14:18,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-05 22:14:18,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-05 22:14:18,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-05 22:14:18,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 22:14:18,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2024-05-05 22:14:18,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2024-05-05 22:14:18,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-05 22:14:18,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-05-05 22:14:18,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-05-05 22:14:18,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-05 22:14:18,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-05-05 22:14:18,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2024-05-05 22:14:18,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:14:18,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-05-05 22:14:18,920 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2024-05-05 22:14:18,922 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-05-05 22:14:18,922 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-05 22:14:18,922 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-05 22:14:18,922 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-05-05 22:14:18,926 INFO L448 BasicCegarLoop]: Path program histogram: [24, 2, 2, 1, 1, 1] [2024-05-05 22:14:18,927 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-05 22:14:18,927 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-05 22:14:18,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.05 10:14:18 BasicIcfg [2024-05-05 22:14:18,930 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-05 22:14:18,930 INFO L158 Benchmark]: Toolchain (without parser) took 840323.60ms. Allocated memory was 340.8MB in the beginning and 1.2GB in the end (delta: 892.3MB). Free memory was 267.5MB in the beginning and 319.4MB in the end (delta: -52.0MB). Peak memory consumption was 840.9MB. Max. memory is 8.0GB. [2024-05-05 22:14:18,930 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 340.8MB. Free memory is still 310.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-05 22:14:18,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.60ms. Allocated memory is still 340.8MB. Free memory was 267.2MB in the beginning and 255.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-05-05 22:14:18,930 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.25ms. Allocated memory is still 340.8MB. Free memory was 254.8MB in the beginning and 252.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-05 22:14:18,930 INFO L158 Benchmark]: Boogie Preprocessor took 26.52ms. Allocated memory is still 340.8MB. Free memory was 252.6MB in the beginning and 250.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-05 22:14:18,931 INFO L158 Benchmark]: RCFGBuilder took 603.41ms. Allocated memory is still 340.8MB. Free memory was 250.5MB in the beginning and 279.4MB in the end (delta: -28.9MB). Peak memory consumption was 16.3MB. Max. memory is 8.0GB. [2024-05-05 22:14:18,931 INFO L158 Benchmark]: TraceAbstraction took 839464.55ms. Allocated memory was 340.8MB in the beginning and 1.2GB in the end (delta: 892.3MB). Free memory was 278.4MB in the beginning and 319.4MB in the end (delta: -41.1MB). Peak memory consumption was 850.7MB. Max. memory is 8.0GB. [2024-05-05 22:14:18,932 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 340.8MB. Free memory is still 310.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 181.60ms. Allocated memory is still 340.8MB. Free memory was 267.2MB in the beginning and 255.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.25ms. Allocated memory is still 340.8MB. Free memory was 254.8MB in the beginning and 252.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.52ms. Allocated memory is still 340.8MB. Free memory was 252.6MB in the beginning and 250.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 603.41ms. Allocated memory is still 340.8MB. Free memory was 250.5MB in the beginning and 279.4MB in the end (delta: -28.9MB). Peak memory consumption was 16.3MB. Max. memory is 8.0GB. * TraceAbstraction took 839464.55ms. Allocated memory was 340.8MB in the beginning and 1.2GB in the end (delta: 892.3MB). Free memory was 278.4MB in the beginning and 319.4MB in the end (delta: -41.1MB). Peak memory consumption was 850.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 183139, independent: 173401, independent conditional: 173401, independent unconditional: 0, dependent: 9738, dependent conditional: 9738, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 174144, independent: 173401, independent conditional: 173401, independent unconditional: 0, dependent: 743, dependent conditional: 743, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 174144, independent: 173401, independent conditional: 173401, independent unconditional: 0, dependent: 743, dependent conditional: 743, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 174144, independent: 173401, independent conditional: 173401, independent unconditional: 0, dependent: 743, dependent conditional: 743, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 181155, independent: 173401, independent conditional: 18138, independent unconditional: 155263, dependent: 7754, dependent conditional: 6033, dependent unconditional: 1721, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 181155, independent: 173401, independent conditional: 4439, independent unconditional: 168962, dependent: 7754, dependent conditional: 4678, dependent unconditional: 3076, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 181155, independent: 173401, independent conditional: 4439, independent unconditional: 168962, dependent: 7754, dependent conditional: 4678, dependent unconditional: 3076, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 943, independent: 823, independent conditional: 98, independent unconditional: 725, dependent: 120, dependent conditional: 117, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 943, independent: 802, independent conditional: 0, independent unconditional: 802, dependent: 141, dependent conditional: 0, dependent unconditional: 141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 141, independent: 21, independent conditional: 18, independent unconditional: 3, dependent: 120, dependent conditional: 117, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 141, independent: 21, independent conditional: 18, independent unconditional: 3, dependent: 120, dependent conditional: 117, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 427, independent: 65, independent conditional: 59, independent unconditional: 6, dependent: 362, dependent conditional: 330, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 181155, independent: 172578, independent conditional: 4341, independent unconditional: 168237, dependent: 7634, dependent conditional: 4561, dependent unconditional: 3073, unknown: 943, unknown conditional: 215, unknown unconditional: 728] , Statistics on independence cache: Total cache size (in pairs): 943, Positive cache size: 823, Positive conditional cache size: 98, Positive unconditional cache size: 725, Negative cache size: 120, Negative conditional cache size: 117, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 15054, Maximal queried relation: 14, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 181155, independent: 173401, independent conditional: 18138, independent unconditional: 155263, dependent: 7754, dependent conditional: 6033, dependent unconditional: 1721, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 181155, independent: 173401, independent conditional: 4439, independent unconditional: 168962, dependent: 7754, dependent conditional: 4678, dependent unconditional: 3076, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 181155, independent: 173401, independent conditional: 4439, independent unconditional: 168962, dependent: 7754, dependent conditional: 4678, dependent unconditional: 3076, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 943, independent: 823, independent conditional: 98, independent unconditional: 725, dependent: 120, dependent conditional: 117, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 943, independent: 802, independent conditional: 0, independent unconditional: 802, dependent: 141, dependent conditional: 0, dependent unconditional: 141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 141, independent: 21, independent conditional: 18, independent unconditional: 3, dependent: 120, dependent conditional: 117, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 141, independent: 21, independent conditional: 18, independent unconditional: 3, dependent: 120, dependent conditional: 117, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 427, independent: 65, independent conditional: 59, independent unconditional: 6, dependent: 362, dependent conditional: 330, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 181155, independent: 172578, independent conditional: 4341, independent unconditional: 168237, dependent: 7634, dependent conditional: 4561, dependent unconditional: 3073, unknown: 943, unknown conditional: 215, unknown unconditional: 728] , Statistics on independence cache: Total cache size (in pairs): 943, Positive cache size: 823, Positive conditional cache size: 98, Positive unconditional cache size: 725, Negative cache size: 120, Negative conditional cache size: 117, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 15054 ], Independence queries for same thread: 8995 - TimeoutResultAtElement [Line: 126]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 119]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 118]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 231 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 839.3s, OverallIterations: 31, TraceHistogramMax: 0, PathProgramHistogramMax: 24, EmptinessCheckTime: 92.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2071, 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: 1.3s SsaConstructionTime, 163.8s SatisfiabilityAnalysisTime, 137.3s InterpolantComputationTime, 25380 NumberOfCodeBlocks, 24961 NumberOfCodeBlocksAsserted, 205 NumberOfCheckSat, 37313 ConstructedInterpolants, 124 QuantifiedInterpolants, 231586 SizeOfPredicates, 628 NumberOfNonLiveVariables, 24307 ConjunctsInSsa, 1104 ConjunctsInUnsatCore, 85 InterpolantComputations, 3 PerfectInterpolantSequences, 100586/159804 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 0.4s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown