/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 50 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 20:42:27,647 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 20:42:27,679 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 20:42:27,681 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 20:42:27,682 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 20:42:27,694 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 20:42:27,695 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 20:42:27,695 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 20:42:27,695 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 20:42:27,696 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 20:42:27,696 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 20:42:27,696 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 20:42:27,696 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 20:42:27,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 20:42:27,697 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 20:42:27,697 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 20:42:27,697 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 20:42:27,697 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 20:42:27,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 20:42:27,698 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 20:42:27,698 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 20:42:27,700 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 20:42:27,700 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 20:42:27,700 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 20:42:27,701 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 20:42:27,701 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 20:42:27,701 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 20:42:27,701 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 20:42:27,701 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 20:42:27,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 20:42:27,701 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 20:42:27,702 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 20:42:27,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 20:42:27,702 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 20:42:27,702 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 20:42:27,702 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 20:42:27,702 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 20:42:27,702 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 20:42:27,702 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 20:42:27,702 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-04 20:42:27,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 20:42:27,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 20:42:27,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 20:42:27,898 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 20:42:27,899 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 20:42:27,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c [2024-04-04 20:42:28,889 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 20:42:29,052 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 20:42:29,053 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c [2024-04-04 20:42:29,058 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/eef907638/54aa6cb836464e1aa4ca03060b8feb2f/FLAGbc582ba2f [2024-04-04 20:42:29,071 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/eef907638/54aa6cb836464e1aa4ca03060b8feb2f [2024-04-04 20:42:29,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 20:42:29,077 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 20:42:29,078 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 20:42:29,078 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 20:42:29,081 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 20:42:29,081 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 08:42:29" (1/1) ... [2024-04-04 20:42:29,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac74206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:42:29, skipping insertion in model container [2024-04-04 20:42:29,082 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 08:42:29" (1/1) ... [2024-04-04 20:42:29,097 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 20:42:29,224 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-send-receive.wvr.c[3107,3120] [2024-04-04 20:42:29,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 20:42:29,235 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 20:42:29,250 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-send-receive.wvr.c[3107,3120] [2024-04-04 20:42:29,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 20:42:29,257 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 20:42:29,258 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 20:42:29,263 INFO L206 MainTranslator]: Completed translation [2024-04-04 20:42:29,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:42:29 WrapperNode [2024-04-04 20:42:29,263 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 20:42:29,264 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 20:42:29,264 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 20:42:29,264 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 20:42:29,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:42:29" (1/1) ... [2024-04-04 20:42:29,316 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:42:29" (1/1) ... [2024-04-04 20:42:29,338 INFO L138 Inliner]: procedures = 25, calls = 52, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 164 [2024-04-04 20:42:29,338 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 20:42:29,339 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 20:42:29,339 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 20:42:29,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 20:42:29,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:42:29" (1/1) ... [2024-04-04 20:42:29,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:42:29" (1/1) ... [2024-04-04 20:42:29,351 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:42:29" (1/1) ... [2024-04-04 20:42:29,352 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:42:29" (1/1) ... [2024-04-04 20:42:29,356 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:42:29" (1/1) ... [2024-04-04 20:42:29,359 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:42:29" (1/1) ... [2024-04-04 20:42:29,360 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:42:29" (1/1) ... [2024-04-04 20:42:29,361 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:42:29" (1/1) ... [2024-04-04 20:42:29,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 20:42:29,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 20:42:29,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 20:42:29,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 20:42:29,363 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:42:29" (1/1) ... [2024-04-04 20:42:29,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 20:42:29,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:42:29,398 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) [2024-04-04 20:42:29,421 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 [2024-04-04 20:42:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 20:42:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 20:42:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 20:42:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 20:42:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-04 20:42:29,442 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-04 20:42:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-04 20:42:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-04 20:42:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-04 20:42:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-04 20:42:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 20:42:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-04 20:42:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-04 20:42:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-04 20:42:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 20:42:29,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 20:42:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 20:42:29,446 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 20:42:29,535 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 20:42:29,536 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 20:42:29,777 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 20:42:29,838 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 20:42:29,838 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-04-04 20:42:29,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 08:42:29 BoogieIcfgContainer [2024-04-04 20:42:29,839 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 20:42:29,841 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 20:42:29,841 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 20:42:29,846 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 20:42:29,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 08:42:29" (1/3) ... [2024-04-04 20:42:29,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b213542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 08:42:29, skipping insertion in model container [2024-04-04 20:42:29,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:42:29" (2/3) ... [2024-04-04 20:42:29,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b213542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 08:42:29, skipping insertion in model container [2024-04-04 20:42:29,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 08:42:29" (3/3) ... [2024-04-04 20:42:29,848 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-send-receive.wvr.c [2024-04-04 20:42:29,854 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 20:42:29,864 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 20:42:29,865 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 20:42:29,865 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 20:42:29,912 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-04 20:42:29,945 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 20:42:29,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 20:42:29,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:42:29,946 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) [2024-04-04 20:42:29,947 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 [2024-04-04 20:42:29,970 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 20:42:29,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:42:29,985 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 20:42:29,990 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;@2930112b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213 [2024-04-04 20:42:29,990 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-04 20:42:30,169 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)] === [2024-04-04 20:42:30,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:42:30,172 INFO L85 PathProgramCache]: Analyzing trace with hash 823111357, now seen corresponding path program 1 times [2024-04-04 20:42:30,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:42:30,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083443923] [2024-04-04 20:42:30,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:42:30,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:42:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:42:30,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 20:42:30,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:42:30,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083443923] [2024-04-04 20:42:30,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083443923] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 20:42:30,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 20:42:30,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 20:42:30,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650734242] [2024-04-04 20:42:30,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 20:42:30,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 20:42:30,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:42:30,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 20:42:30,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 20:42:30,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:30,515 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:42:30,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 50.0) internal successors, (100), 2 states have internal predecessors, (100), 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) [2024-04-04 20:42:30,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:30,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:30,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 20:42:30,548 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)] === [2024-04-04 20:42:30,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:42:30,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1594024528, now seen corresponding path program 1 times [2024-04-04 20:42:30,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:42:30,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586831504] [2024-04-04 20:42:30,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:42:30,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:42:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:42:30,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:42:30,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:42:30,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586831504] [2024-04-04 20:42:30,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586831504] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 20:42:30,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 20:42:30,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 20:42:30,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227715127] [2024-04-04 20:42:30,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 20:42:30,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 20:42:30,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:42:30,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 20:42:30,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 20:42:30,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:30,835 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:42:30,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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) [2024-04-04 20:42:30,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:30,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:30,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:30,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:42:30,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 20:42:30,895 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)] === [2024-04-04 20:42:30,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:42:30,896 INFO L85 PathProgramCache]: Analyzing trace with hash 598119619, now seen corresponding path program 1 times [2024-04-04 20:42:30,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:42:30,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666589426] [2024-04-04 20:42:30,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:42:30,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:42:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:42:31,124 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 20:42:31,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:42:31,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666589426] [2024-04-04 20:42:31,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666589426] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 20:42:31,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 20:42:31,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-04 20:42:31,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363281183] [2024-04-04 20:42:31,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 20:42:31,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 20:42:31,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:42:31,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 20:42:31,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-04-04 20:42:31,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:31,145 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:42:31,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 6 states have internal predecessors, (111), 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) [2024-04-04 20:42:31,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:31,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:42:31,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:31,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:31,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:42:31,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:42:31,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-04 20:42:31,254 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)] === [2024-04-04 20:42:31,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:42:31,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1502204129, now seen corresponding path program 1 times [2024-04-04 20:42:31,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:42:31,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586652204] [2024-04-04 20:42:31,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:42:31,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:42:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:42:31,403 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 20:42:31,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:42:31,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586652204] [2024-04-04 20:42:31,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586652204] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 20:42:31,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 20:42:31,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-04 20:42:31,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509808250] [2024-04-04 20:42:31,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 20:42:31,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-04 20:42:31,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:42:31,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-04 20:42:31,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-04-04 20:42:31,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:31,431 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:42:31,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 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) [2024-04-04 20:42:31,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:31,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:42:31,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:42:31,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:31,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:31,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:42:31,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:42:31,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:31,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-04 20:42:31,477 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)] === [2024-04-04 20:42:31,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:42:31,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1237801094, now seen corresponding path program 2 times [2024-04-04 20:42:31,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:42:31,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783207591] [2024-04-04 20:42:31,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:42:31,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:42:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:42:31,720 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-04-04 20:42:31,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:42:31,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783207591] [2024-04-04 20:42:31,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783207591] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:42:31,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459488165] [2024-04-04 20:42:31,721 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 20:42:31,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:42:31,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:42:31,723 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) [2024-04-04 20:42:31,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-04 20:42:31,828 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 20:42:31,828 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:42:31,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-04 20:42:31,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:42:32,047 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-04-04 20:42:32,047 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:42:32,401 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-04-04 20:42:32,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459488165] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:42:32,401 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:42:32,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 14 [2024-04-04 20:42:32,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940010015] [2024-04-04 20:42:32,401 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:42:32,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-04 20:42:32,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:42:32,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-04 20:42:32,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-04-04 20:42:32,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:32,447 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:42:32,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 20.071428571428573) internal successors, (281), 14 states have internal predecessors, (281), 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) [2024-04-04 20:42:32,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:32,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:42:32,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:42:32,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:32,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:32,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:32,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:42:32,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:42:32,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:32,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 20:42:32,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-04 20:42:33,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:42:33,139 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)] === [2024-04-04 20:42:33,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:42:33,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1251465784, now seen corresponding path program 3 times [2024-04-04 20:42:33,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:42:33,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019365351] [2024-04-04 20:42:33,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:42:33,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:42:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:42:33,334 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-04-04 20:42:33,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:42:33,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019365351] [2024-04-04 20:42:33,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019365351] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:42:33,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616221636] [2024-04-04 20:42:33,335 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 20:42:33,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:42:33,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:42:33,336 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) [2024-04-04 20:42:33,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 20:42:33,439 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-04 20:42:33,440 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:42:33,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-04 20:42:33,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:42:33,591 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-04-04 20:42:33,592 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:42:33,816 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-04-04 20:42:33,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616221636] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:42:33,816 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:42:33,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-04-04 20:42:33,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163251173] [2024-04-04 20:42:33,817 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:42:33,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-04 20:42:33,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:42:34,000 INFO L85 PathProgramCache]: Analyzing trace with hash 608484358, now seen corresponding path program 1 times [2024-04-04 20:42:34,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:42:34,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:42:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:42:34,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:42:34,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:42:34,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:42:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:42:35,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:42:35,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-04 20:42:35,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=1068, Unknown=0, NotChecked=0, Total=1260 [2024-04-04 20:42:35,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:35,277 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:42:35,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.210526315789474) internal successors, (175), 19 states have internal predecessors, (175), 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) [2024-04-04 20:42:35,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:35,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:42:35,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:42:35,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:35,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-04 20:42:35,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:35,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:35,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:42:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:42:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 20:42:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:42:35,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-04 20:42:35,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:42:35,879 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)] === [2024-04-04 20:42:35,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:42:35,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1324483748, now seen corresponding path program 4 times [2024-04-04 20:42:35,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:42:35,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830032422] [2024-04-04 20:42:35,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:42:35,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:42:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:42:36,097 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 15 proven. 32 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-04-04 20:42:36,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:42:36,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830032422] [2024-04-04 20:42:36,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830032422] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:42:36,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382095292] [2024-04-04 20:42:36,098 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 20:42:36,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:42:36,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:42:36,100 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) [2024-04-04 20:42:36,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-04 20:42:36,211 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 20:42:36,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:42:36,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-04 20:42:36,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:42:36,499 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 37 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-04-04 20:42:36,499 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:42:36,794 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 39 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-04-04 20:42:36,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382095292] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:42:36,794 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:42:36,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2024-04-04 20:42:36,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266878501] [2024-04-04 20:42:36,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:42:36,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-04-04 20:42:36,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:42:36,931 INFO L85 PathProgramCache]: Analyzing trace with hash 2146209378, now seen corresponding path program 2 times [2024-04-04 20:42:36,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:42:36,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:42:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:42:38,193 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:42:38,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:42:38,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:42:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:42:39,349 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:42:39,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-04-04 20:42:39,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=399, Invalid=3633, Unknown=0, NotChecked=0, Total=4032 [2024-04-04 20:42:39,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:39,365 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:42:39,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 8.678571428571429) internal successors, (243), 28 states have internal predecessors, (243), 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) [2024-04-04 20:42:39,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:39,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:42:39,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:42:39,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:39,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-04 20:42:39,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:42:39,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:39,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:39,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:42:39,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:42:39,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:39,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 20:42:39,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:42:39,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 20:42:39,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-04 20:42:39,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:42:39,948 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)] === [2024-04-04 20:42:39,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:42:39,948 INFO L85 PathProgramCache]: Analyzing trace with hash -311248768, now seen corresponding path program 5 times [2024-04-04 20:42:39,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:42:39,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937700016] [2024-04-04 20:42:39,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:42:39,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:42:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:42:40,224 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-04-04 20:42:40,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:42:40,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937700016] [2024-04-04 20:42:40,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937700016] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:42:40,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852148173] [2024-04-04 20:42:40,225 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 20:42:40,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:42:40,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:42:40,241 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) [2024-04-04 20:42:40,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-04 20:42:40,312 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 20:42:40,313 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:42:40,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2024-04-04 20:42:40,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:42:40,345 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-04-04 20:42:40,345 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-04 20:42:40,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852148173] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 20:42:40,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-04 20:42:40,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-04-04 20:42:40,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313969250] [2024-04-04 20:42:40,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 20:42:40,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-04 20:42:40,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:42:40,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-04 20:42:40,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-04-04 20:42:40,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:40,360 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:42:40,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 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) [2024-04-04 20:42:40,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:40,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:42:40,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:42:40,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:40,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-04 20:42:40,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:42:40,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 20:42:40,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:40,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:40,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:42:40,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:42:40,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:40,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 20:42:40,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:42:40,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 20:42:40,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:40,563 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-04-04 20:42:40,761 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,SelfDestructingSolverStorable11 [2024-04-04 20:42:40,761 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)] === [2024-04-04 20:42:40,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:42:40,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1452571484, now seen corresponding path program 1 times [2024-04-04 20:42:40,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:42:40,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121079784] [2024-04-04 20:42:40,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:42:40,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:42:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:42:41,046 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 50 proven. 101 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 20:42:41,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:42:41,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121079784] [2024-04-04 20:42:41,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121079784] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:42:41,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958689994] [2024-04-04 20:42:41,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:42:41,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:42:41,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:42:41,047 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) [2024-04-04 20:42:41,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-04 20:42:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:42:41,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 15 conjunts are in the unsatisfiable core [2024-04-04 20:42:41,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:42:41,502 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 131 proven. 27 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-04-04 20:42:41,502 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:42:41,918 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 88 proven. 70 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-04-04 20:42:41,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958689994] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:42:41,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:42:41,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2024-04-04 20:42:41,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366401852] [2024-04-04 20:42:41,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:42:41,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-04-04 20:42:41,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:42:41,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-04-04 20:42:41,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=1097, Unknown=0, NotChecked=0, Total=1332 [2024-04-04 20:42:41,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:41,962 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:42:41,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 9.027027027027026) internal successors, (334), 37 states have internal predecessors, (334), 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) [2024-04-04 20:42:41,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:41,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:42:41,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:42:41,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:41,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-04 20:42:41,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:42:41,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 20:42:41,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:41,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:42,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:42,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:42:42,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:42:42,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:42,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 20:42:42,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:42:42,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 20:42:42,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:42,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-04 20:42:42,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-04 20:42:42,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-04-04 20:42:42,674 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)] === [2024-04-04 20:42:42,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:42:42,674 INFO L85 PathProgramCache]: Analyzing trace with hash -608668032, now seen corresponding path program 2 times [2024-04-04 20:42:42,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:42:42,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192880216] [2024-04-04 20:42:42,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:42:42,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:42:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:42:42,991 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 92 proven. 94 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 20:42:42,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:42:42,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192880216] [2024-04-04 20:42:42,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192880216] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:42:42,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745831730] [2024-04-04 20:42:42,991 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 20:42:42,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:42:42,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:42:42,993 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) [2024-04-04 20:42:43,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-04 20:42:43,119 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 20:42:43,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:42:43,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 20:42:43,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:42:43,583 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 134 proven. 52 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 20:42:43,583 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:42:44,096 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 50 proven. 136 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 20:42:44,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745831730] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:42:44,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:42:44,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 46 [2024-04-04 20:42:44,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142476201] [2024-04-04 20:42:44,096 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:42:44,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-04-04 20:42:44,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:42:44,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-04-04 20:42:44,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=347, Invalid=1723, Unknown=0, NotChecked=0, Total=2070 [2024-04-04 20:42:44,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:44,138 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:42:44,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 8.282608695652174) internal successors, (381), 46 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 20:42:44,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:44,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:42:44,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:42:44,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:44,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-04 20:42:44,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:42:44,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 20:42:44,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:44,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-04 20:42:44,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:42:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:42:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 20:42:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:42:44,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 20:42:44,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:44,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-04 20:42:44,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 20:42:44,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-04 20:42:44,912 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,SelfDestructingSolverStorable13 [2024-04-04 20:42:44,915 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)] === [2024-04-04 20:42:44,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:42:44,915 INFO L85 PathProgramCache]: Analyzing trace with hash -2142171740, now seen corresponding path program 3 times [2024-04-04 20:42:44,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:42:44,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852479593] [2024-04-04 20:42:44,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:42:44,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:42:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:42:45,260 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 48 proven. 54 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-04-04 20:42:45,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:42:45,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852479593] [2024-04-04 20:42:45,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852479593] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:42:45,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802385840] [2024-04-04 20:42:45,261 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 20:42:45,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:42:45,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:42:45,262 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) [2024-04-04 20:42:45,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-04 20:42:45,601 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-04 20:42:45,601 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:42:45,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 6 conjunts are in the unsatisfiable core [2024-04-04 20:42:45,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:42:45,635 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 63 proven. 1 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-04-04 20:42:45,635 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:42:45,700 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 63 proven. 1 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-04-04 20:42:45,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802385840] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:42:45,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:42:45,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2024-04-04 20:42:45,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032502556] [2024-04-04 20:42:45,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:42:45,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-04-04 20:42:45,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:42:45,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-04-04 20:42:45,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-04-04 20:42:45,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:45,729 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:42:45,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 15.416666666666666) internal successors, (185), 12 states have internal predecessors, (185), 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) [2024-04-04 20:42:45,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:45,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:42:45,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:42:45,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:45,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-04 20:42:45,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:42:45,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 20:42:45,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:45,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-04 20:42:45,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 20:42:45,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:42:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:42:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 20:42:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:42:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 20:42:46,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:46,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-04 20:42:46,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 20:42:46,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:42:46,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-04 20:42:46,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:42:46,374 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)] === [2024-04-04 20:42:46,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:42:46,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1272559252, now seen corresponding path program 6 times [2024-04-04 20:42:46,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:42:46,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813905912] [2024-04-04 20:42:46,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:42:46,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:42:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:42:47,650 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 1 proven. 83 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-04 20:42:47,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:42:47,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813905912] [2024-04-04 20:42:47,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813905912] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:42:47,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131582195] [2024-04-04 20:42:47,650 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 20:42:47,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:42:47,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:42:47,652 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) [2024-04-04 20:42:47,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-04 20:42:47,750 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-04-04 20:42:47,751 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:42:47,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 17 conjunts are in the unsatisfiable core [2024-04-04 20:42:47,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:42:48,078 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-04-04 20:42:48,078 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:42:48,156 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 20:42:48,158 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 40 treesize of output 24 [2024-04-04 20:42:48,530 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-04-04 20:42:48,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131582195] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:42:48,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:42:48,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 9, 9] total 34 [2024-04-04 20:42:48,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848154216] [2024-04-04 20:42:48,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:42:48,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-04-04 20:42:48,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:42:48,584 INFO L85 PathProgramCache]: Analyzing trace with hash -365470346, now seen corresponding path program 3 times [2024-04-04 20:42:48,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:42:48,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:42:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:42:48,647 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-04-04 20:42:48,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:42:48,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:42:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:42:48,681 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-04-04 20:42:48,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-04-04 20:42:48,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=914, Unknown=0, NotChecked=0, Total=1122 [2024-04-04 20:42:48,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:48,689 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:42:48,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 12.176470588235293) internal successors, (414), 34 states have internal predecessors, (414), 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) [2024-04-04 20:42:48,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:48,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:42:48,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:42:48,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:48,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-04 20:42:48,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:42:48,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 20:42:48,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:48,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-04 20:42:48,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 20:42:48,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:42:48,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:50,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:50,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:42:50,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:42:50,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:50,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 20:42:50,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:42:50,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 20:42:50,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:50,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-04 20:42:50,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 20:42:50,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:42:50,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 20:42:50,060 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-04-04 20:42:50,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-04-04 20:42:50,255 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)] === [2024-04-04 20:42:50,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:42:50,255 INFO L85 PathProgramCache]: Analyzing trace with hash -711552761, now seen corresponding path program 4 times [2024-04-04 20:42:50,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:42:50,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081138449] [2024-04-04 20:42:50,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:42:50,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:42:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:42:52,789 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 2 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:42:52,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:42:52,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081138449] [2024-04-04 20:42:52,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081138449] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:42:52,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817126839] [2024-04-04 20:42:52,790 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 20:42:52,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:42:52,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:42:52,791 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) [2024-04-04 20:42:52,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-04 20:42:52,907 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 20:42:52,907 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:42:52,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-04 20:42:52,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:42:53,324 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-04-04 20:42:53,324 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:42:53,551 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 20:42:53,551 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 75 treesize of output 60 [2024-04-04 20:42:54,016 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-04-04 20:42:54,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817126839] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:42:54,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:42:54,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 10, 10] total 42 [2024-04-04 20:42:54,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927434406] [2024-04-04 20:42:54,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:42:54,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-04-04 20:42:54,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:42:54,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-04-04 20:42:54,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=1487, Unknown=0, NotChecked=0, Total=1722 [2024-04-04 20:42:54,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:54,060 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:42:54,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 8.80952380952381) internal successors, (370), 42 states have internal predecessors, (370), 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) [2024-04-04 20:42:54,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:54,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:42:54,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:42:54,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:54,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-04 20:42:54,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:42:54,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 20:42:54,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:54,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-04 20:42:54,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 20:42:54,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:42:54,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-04 20:42:54,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:55,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:55,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:42:55,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:42:55,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:55,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 20:42:55,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:42:55,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 20:42:55,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:42:55,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-04 20:42:55,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 20:42:55,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:42:55,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 20:42:55,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 20:42:55,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-04 20:42:56,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:42:56,032 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)] === [2024-04-04 20:42:56,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:42:56,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1775534566, now seen corresponding path program 5 times [2024-04-04 20:42:56,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:42:56,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213015391] [2024-04-04 20:42:56,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:42:56,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:42:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:42:59,236 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 3 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:42:59,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:42:59,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213015391] [2024-04-04 20:42:59,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213015391] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:42:59,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955655543] [2024-04-04 20:42:59,237 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 20:42:59,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:42:59,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:42:59,238 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) [2024-04-04 20:42:59,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-04 20:42:59,360 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-04-04 20:42:59,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:42:59,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 45 conjunts are in the unsatisfiable core [2024-04-04 20:42:59,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:43:00,070 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 4 proven. 97 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-04-04 20:43:00,070 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:43:00,469 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 20:43:00,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 108 treesize of output 114 [2024-04-04 20:43:00,981 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 3 proven. 43 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-04-04 20:43:00,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1955655543] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:43:00,982 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:43:00,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 19, 13] total 55 [2024-04-04 20:43:00,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632609685] [2024-04-04 20:43:00,982 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:43:00,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-04-04 20:43:00,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:43:01,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1101976016, now seen corresponding path program 1 times [2024-04-04 20:43:01,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:43:01,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:43:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:43:01,093 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-04-04 20:43:01,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:43:01,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:43:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:43:01,129 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-04-04 20:43:01,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-04-04 20:43:01,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=349, Invalid=2621, Unknown=0, NotChecked=0, Total=2970 [2024-04-04 20:43:01,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:43:01,136 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:43:01,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 9.218181818181819) internal successors, (507), 55 states have internal predecessors, (507), 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) [2024-04-04 20:43:01,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:43:01,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:43:01,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:43:01,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:43:01,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-04 20:43:01,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:43:01,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 20:43:01,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:43:01,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-04 20:43:01,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 20:43:01,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:43:01,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-04 20:43:01,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 20:43:01,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:43:04,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:43:04,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:43:04,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:43:04,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:43:04,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:43:04,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:43:04,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 20:43:04,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:43:04,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-04 20:43:04,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 20:43:04,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 20:43:04,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 20:43:04,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:43:04,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-04-04 20:43:04,614 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-04-04 20:43:04,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:43:04,814 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)] === [2024-04-04 20:43:04,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:43:04,815 INFO L85 PathProgramCache]: Analyzing trace with hash -155854931, now seen corresponding path program 6 times [2024-04-04 20:43:04,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:43:04,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628121193] [2024-04-04 20:43:04,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:43:04,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:43:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:43:05,396 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 273 proven. 195 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-04-04 20:43:05,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:43:05,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628121193] [2024-04-04 20:43:05,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628121193] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:43:05,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278110278] [2024-04-04 20:43:05,396 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 20:43:05,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:43:05,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:43:05,397 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) [2024-04-04 20:43:05,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-04 20:43:05,600 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-04-04 20:43:05,600 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:43:05,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-04 20:43:05,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:43:06,717 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 265 proven. 210 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 20:43:06,718 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:43:08,000 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 283 proven. 192 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 20:43:08,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278110278] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:43:08,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:43:08,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 29, 28] total 78 [2024-04-04 20:43:08,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451737828] [2024-04-04 20:43:08,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:43:08,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2024-04-04 20:43:08,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:43:08,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2024-04-04 20:43:08,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1051, Invalid=4955, Unknown=0, NotChecked=0, Total=6006 [2024-04-04 20:43:08,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:43:08,062 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:43:08,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 8.205128205128204) internal successors, (640), 78 states have internal predecessors, (640), 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) [2024-04-04 20:43:08,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:43:08,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:43:08,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:43:08,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:43:08,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:43:08,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:43:08,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 20:43:08,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:43:08,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-04 20:43:08,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 20:43:08,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 20:43:08,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-04 20:43:08,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:43:08,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-04-04 20:43:08,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:43:09,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:43:09,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:43:09,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:43:09,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:43:09,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:43:09,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:43:09,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 20:43:09,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:43:09,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-04 20:43:09,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 20:43:09,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 20:43:09,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 20:43:09,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:43:09,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-04-04 20:43:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 20:43:09,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-04 20:43:09,798 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,SelfDestructingSolverStorable22 [2024-04-04 20:43:09,799 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)] === [2024-04-04 20:43:09,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:43:09,799 INFO L85 PathProgramCache]: Analyzing trace with hash 84970997, now seen corresponding path program 7 times [2024-04-04 20:43:09,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:43:09,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085992407] [2024-04-04 20:43:09,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:43:09,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:43:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:43:16,011 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 121 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:43:16,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:43:16,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085992407] [2024-04-04 20:43:16,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085992407] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:43:16,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379632934] [2024-04-04 20:43:16,012 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-04 20:43:16,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:43:16,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:43:16,013 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) [2024-04-04 20:43:16,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-04 20:43:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:43:16,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 78 conjunts are in the unsatisfiable core [2024-04-04 20:43:16,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:43:23,758 INFO L349 Elim1Store]: treesize reduction 270, result has 42.4 percent of original size [2024-04-04 20:43:23,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 135 treesize of output 232 [2024-04-04 20:43:24,801 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 31 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:43:24,801 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:43:28,546 INFO L349 Elim1Store]: treesize reduction 260, result has 44.6 percent of original size [2024-04-04 20:43:28,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 206 treesize of output 260 [2024-04-04 20:43:32,974 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 21 proven. 562 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:43:32,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379632934] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:43:32,974 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:43:32,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 43, 43] total 139 [2024-04-04 20:43:32,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584550021] [2024-04-04 20:43:32,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:43:32,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 139 states [2024-04-04 20:43:32,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:43:33,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2024-04-04 20:43:33,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1783, Invalid=17399, Unknown=0, NotChecked=0, Total=19182 [2024-04-04 20:43:33,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:43:33,023 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:43:33,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 139 states, 139 states have (on average 5.438848920863309) internal successors, (756), 139 states have internal predecessors, (756), 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) [2024-04-04 20:43:33,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:43:33,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:43:33,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:43:33,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:43:33,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:43:33,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:43:33,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 20:43:33,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:43:33,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-04 20:43:33,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 20:43:33,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 20:43:33,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-04 20:43:33,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:43:33,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-04-04 20:43:33,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-04 20:43:33,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:43:44,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:43:44,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:43:44,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:43:44,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:43:44,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:43:44,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:43:44,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 20:43:44,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:43:44,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-04 20:43:44,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 20:43:44,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 20:43:44,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 20:43:44,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:43:44,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-04-04 20:43:44,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 20:43:44,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-04-04 20:43:44,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-04-04 20:43:44,352 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,SelfDestructingSolverStorable23 [2024-04-04 20:43:44,352 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)] === [2024-04-04 20:43:44,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:43:44,352 INFO L85 PathProgramCache]: Analyzing trace with hash -389688551, now seen corresponding path program 8 times [2024-04-04 20:43:44,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:43:44,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120072400] [2024-04-04 20:43:44,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:43:44,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:43:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:43:51,298 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 21 proven. 627 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:43:51,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:43:51,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120072400] [2024-04-04 20:43:51,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120072400] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:43:51,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922784313] [2024-04-04 20:43:51,299 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 20:43:51,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:43:51,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:43:51,300 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) [2024-04-04 20:43:51,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-04 20:43:51,595 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 20:43:51,595 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:43:51,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 107 conjunts are in the unsatisfiable core [2024-04-04 20:43:51,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:43:55,009 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 20:43:55,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 79 treesize of output 25 [2024-04-04 20:43:55,348 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 3 proven. 645 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:43:55,348 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:43:58,065 INFO L349 Elim1Store]: treesize reduction 150, result has 57.0 percent of original size [2024-04-04 20:43:58,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 211 treesize of output 250 [2024-04-04 20:44:01,306 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 0 proven. 648 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:44:01,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922784313] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:44:01,306 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:44:01,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 45, 45] total 133 [2024-04-04 20:44:01,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234340564] [2024-04-04 20:44:01,306 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:44:01,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 133 states [2024-04-04 20:44:01,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:44:01,404 INFO L85 PathProgramCache]: Analyzing trace with hash 228978286, now seen corresponding path program 2 times [2024-04-04 20:44:01,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:44:01,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:44:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:44:01,450 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2024-04-04 20:44:01,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:44:01,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:44:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:44:01,493 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2024-04-04 20:44:01,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2024-04-04 20:44:01,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2273, Invalid=15283, Unknown=0, NotChecked=0, Total=17556 [2024-04-04 20:44:01,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:44:01,512 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:44:01,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 133 states, 133 states have (on average 6.3007518796992485) internal successors, (838), 133 states have internal predecessors, (838), 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) [2024-04-04 20:44:01,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:44:01,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:44:01,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:44:01,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:44:01,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:44:01,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:44:01,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 20:44:01,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:44:01,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-04 20:44:01,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 20:44:01,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 20:44:01,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-04 20:44:01,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:44:01,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-04-04 20:44:01,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-04 20:44:01,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-04-04 20:44:01,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:44:17,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:44:17,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:44:17,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:44:17,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:44:17,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:44:17,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:44:17,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 20:44:17,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:44:17,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-04 20:44:17,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 20:44:17,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 20:44:17,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 20:44:17,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:44:17,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-04-04 20:44:17,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 20:44:17,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-04-04 20:44:17,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-04 20:44:17,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-04 20:44:17,531 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,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26 [2024-04-04 20:44:17,531 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)] === [2024-04-04 20:44:17,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:44:17,531 INFO L85 PathProgramCache]: Analyzing trace with hash 349737155, now seen corresponding path program 9 times [2024-04-04 20:44:17,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:44:17,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493911186] [2024-04-04 20:44:17,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:44:17,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:44:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:44:22,941 INFO L134 CoverageAnalysis]: Checked inductivity of 942 backedges. 178 proven. 764 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:44:22,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:44:22,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493911186] [2024-04-04 20:44:22,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493911186] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:44:22,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71083067] [2024-04-04 20:44:22,942 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 20:44:22,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:44:22,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:44:22,943 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) [2024-04-04 20:44:22,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-04 20:44:23,640 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-04-04 20:44:23,640 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:44:23,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 101 conjunts are in the unsatisfiable core [2024-04-04 20:44:23,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:44:33,409 INFO L349 Elim1Store]: treesize reduction 671, result has 13.2 percent of original size [2024-04-04 20:44:33,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 172 treesize of output 145 [2024-04-04 20:44:34,010 INFO L134 CoverageAnalysis]: Checked inductivity of 942 backedges. 41 proven. 901 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:44:34,010 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:45:03,732 WARN L293 SmtUtils]: Spent 23.53s on a formula simplification. DAG size of input: 1434 DAG size of output: 1430 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-04-04 20:45:03,733 INFO L349 Elim1Store]: treesize reduction 10, result has 99.7 percent of original size [2024-04-04 20:45:03,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 29 select indices, 29 select index equivalence classes, 0 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 406 case distinctions, treesize of input 434 treesize of output 3567 [2024-04-04 20:48:11,861 WARN L667 sPolynomialRelations]: Constructing 33554432(two to the power of 25 dual juncts. Received shutdown request... [2024-04-04 20:56:33,415 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 20:56:33,415 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 [2024-04-04 20:56:33,415 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 [2024-04-04 20:56:33,416 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-04 20:56:33,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-04-04 20:56:33,617 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,SelfDestructingSolverStorable27 [2024-04-04 20:56:33,617 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 310 with TraceHistMax 10,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 1613389 of 33554432 xjuncts. [2024-04-04 20:56:33,618 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-04 20:56:33,618 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-04 20:56:33,618 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-04 20:56:33,621 INFO L445 BasicCegarLoop]: Path program histogram: [9, 6, 3, 2, 1, 1, 1] [2024-04-04 20:56:33,623 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 20:56:33,623 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 20:56:33,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 08:56:33 BasicIcfg [2024-04-04 20:56:33,625 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 20:56:33,625 INFO L158 Benchmark]: Toolchain (without parser) took 844548.49ms. Allocated memory was 162.5MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 99.3MB in the beginning and 1.0GB in the end (delta: -916.8MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2024-04-04 20:56:33,625 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 162.5MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 20:56:33,625 INFO L158 Benchmark]: CACSL2BoogieTranslator took 185.66ms. Allocated memory is still 162.5MB. Free memory was 99.0MB in the beginning and 87.1MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-04 20:56:33,625 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.61ms. Allocated memory is still 162.5MB. Free memory was 87.0MB in the beginning and 137.4MB in the end (delta: -50.5MB). Peak memory consumption was 6.9MB. Max. memory is 8.0GB. [2024-04-04 20:56:33,626 INFO L158 Benchmark]: Boogie Preprocessor took 23.52ms. Allocated memory is still 162.5MB. Free memory was 137.4MB in the beginning and 135.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 20:56:33,626 INFO L158 Benchmark]: RCFGBuilder took 476.51ms. Allocated memory is still 162.5MB. Free memory was 135.3MB in the beginning and 111.7MB in the end (delta: 23.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2024-04-04 20:56:33,626 INFO L158 Benchmark]: TraceAbstraction took 843783.79ms. Allocated memory was 162.5MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 110.7MB in the beginning and 1.0GB in the end (delta: -905.4MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2024-04-04 20:56:33,627 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 162.5MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 185.66ms. Allocated memory is still 162.5MB. Free memory was 99.0MB in the beginning and 87.1MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 74.61ms. Allocated memory is still 162.5MB. Free memory was 87.0MB in the beginning and 137.4MB in the end (delta: -50.5MB). Peak memory consumption was 6.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.52ms. Allocated memory is still 162.5MB. Free memory was 137.4MB in the beginning and 135.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 476.51ms. Allocated memory is still 162.5MB. Free memory was 135.3MB in the beginning and 111.7MB in the end (delta: 23.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * TraceAbstraction took 843783.79ms. Allocated memory was 162.5MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 110.7MB in the beginning and 1.0GB in the end (delta: -905.4MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 445193, independent: 424900, independent conditional: 424774, independent unconditional: 126, dependent: 20293, dependent conditional: 20275, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 427994, independent: 424900, independent conditional: 424774, independent unconditional: 126, dependent: 3094, dependent conditional: 3093, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 427994, independent: 424900, independent conditional: 424774, independent unconditional: 126, dependent: 3094, dependent conditional: 3093, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 427994, independent: 424900, independent conditional: 424774, independent unconditional: 126, dependent: 3094, dependent conditional: 3093, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 449846, independent: 424900, independent conditional: 3044, independent unconditional: 421856, dependent: 24946, dependent conditional: 18077, dependent unconditional: 6869, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 449846, independent: 424900, independent conditional: 1733, independent unconditional: 423167, dependent: 24946, dependent conditional: 11074, dependent unconditional: 13872, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 449846, independent: 424900, independent conditional: 1733, independent unconditional: 423167, dependent: 24946, dependent conditional: 11074, dependent unconditional: 13872, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 693, independent: 570, independent conditional: 88, independent unconditional: 482, dependent: 123, dependent conditional: 118, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 693, independent: 536, independent conditional: 0, independent unconditional: 536, dependent: 157, dependent conditional: 0, dependent unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 157, independent: 34, independent conditional: 32, independent unconditional: 2, dependent: 123, dependent conditional: 118, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 157, independent: 34, independent conditional: 32, independent unconditional: 2, dependent: 123, dependent conditional: 118, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 439, independent: 113, independent conditional: 66, independent unconditional: 47, dependent: 326, dependent conditional: 312, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 449846, independent: 424330, independent conditional: 1645, independent unconditional: 422685, dependent: 24823, dependent conditional: 10956, dependent unconditional: 13867, unknown: 693, unknown conditional: 206, unknown unconditional: 487] , Statistics on independence cache: Total cache size (in pairs): 693, Positive cache size: 570, Positive conditional cache size: 88, Positive unconditional cache size: 482, Negative cache size: 123, Negative conditional cache size: 118, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8314, Maximal queried relation: 12, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 449846, independent: 424900, independent conditional: 3044, independent unconditional: 421856, dependent: 24946, dependent conditional: 18077, dependent unconditional: 6869, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 449846, independent: 424900, independent conditional: 1733, independent unconditional: 423167, dependent: 24946, dependent conditional: 11074, dependent unconditional: 13872, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 449846, independent: 424900, independent conditional: 1733, independent unconditional: 423167, dependent: 24946, dependent conditional: 11074, dependent unconditional: 13872, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 693, independent: 570, independent conditional: 88, independent unconditional: 482, dependent: 123, dependent conditional: 118, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 693, independent: 536, independent conditional: 0, independent unconditional: 536, dependent: 157, dependent conditional: 0, dependent unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 157, independent: 34, independent conditional: 32, independent unconditional: 2, dependent: 123, dependent conditional: 118, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 157, independent: 34, independent conditional: 32, independent unconditional: 2, dependent: 123, dependent conditional: 118, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 439, independent: 113, independent conditional: 66, independent unconditional: 47, dependent: 326, dependent conditional: 312, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 449846, independent: 424330, independent conditional: 1645, independent unconditional: 422685, dependent: 24823, dependent conditional: 10956, dependent unconditional: 13867, unknown: 693, unknown conditional: 206, unknown unconditional: 487] , Statistics on independence cache: Total cache size (in pairs): 693, Positive cache size: 570, Positive conditional cache size: 88, Positive unconditional cache size: 482, Negative cache size: 123, Negative conditional cache size: 118, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8314 ], Independence queries for same thread: 17199 - TimeoutResultAtElement [Line: 117]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 310 with TraceHistMax 10,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 1613389 of 33554432 xjuncts. - TimeoutResultAtElement [Line: 112]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 310 with TraceHistMax 10,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 1613389 of 33554432 xjuncts. - TimeoutResultAtElement [Line: 110]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 310 with TraceHistMax 10,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 1613389 of 33554432 xjuncts. - TimeoutResultAtElement [Line: 111]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 310 with TraceHistMax 10,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 1613389 of 33554432 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 165 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 843.7s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 38.5s, 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: 561, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 58.5s InterpolantComputationTime, 5360 NumberOfCodeBlocks, 5111 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 7622 ConstructedInterpolants, 140 QuantifiedInterpolants, 104455 SizeOfPredicates, 185 NumberOfNonLiveVariables, 4837 ConjunctsInSsa, 379 ConjunctsInUnsatCore, 42 InterpolantComputations, 5 PerfectInterpolantSequences, 3215/8472 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown