/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 DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-three-array-max.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-06 06:37:53,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 06:37:53,489 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 06:37:53,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 06:37:53,492 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 06:37:53,517 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 06:37:53,518 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 06:37:53,518 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 06:37:53,519 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 06:37:53,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 06:37:53,522 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 06:37:53,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 06:37:53,522 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 06:37:53,524 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 06:37:53,524 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 06:37:53,524 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 06:37:53,524 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 06:37:53,524 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 06:37:53,524 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 06:37:53,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 06:37:53,525 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 06:37:53,525 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 06:37:53,526 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 06:37:53,526 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 06:37:53,526 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 06:37:53,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 06:37:53,526 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 06:37:53,527 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 06:37:53,527 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 06:37:53,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 06:37:53,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 06:37:53,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 06:37:53,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 06:37:53,528 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 06:37:53,528 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 06:37:53,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 06:37:53,529 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 06:37:53,529 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 06:37:53,529 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 06:37:53,529 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-06 06:37:53,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 06:37:53,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 06:37:53,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 06:37:53,799 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-06 06:37:53,799 INFO L274 PluginConnector]: CDTParser initialized [2024-04-06 06:37:53,800 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-max.wvr.c [2024-04-06 06:37:54,805 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-06 06:37:54,979 INFO L384 CDTParser]: Found 1 translation units. [2024-04-06 06:37:54,980 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-max.wvr.c [2024-04-06 06:37:54,987 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c3eaa0a34/8596dc366a8f4ee8bbc983491dcd5458/FLAGff6fad483 [2024-04-06 06:37:55,001 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c3eaa0a34/8596dc366a8f4ee8bbc983491dcd5458 [2024-04-06 06:37:55,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 06:37:55,005 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-06 06:37:55,007 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-06 06:37:55,007 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-06 06:37:55,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-06 06:37:55,012 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 06:37:55" (1/1) ... [2024-04-06 06:37:55,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a7207f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 06:37:55, skipping insertion in model container [2024-04-06 06:37:55,013 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 06:37:55" (1/1) ... [2024-04-06 06:37:55,039 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-06 06:37:55,211 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-three-array-max.wvr.c[2823,2836] [2024-04-06 06:37:55,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 06:37:55,235 INFO L202 MainTranslator]: Completed pre-run [2024-04-06 06:37:55,265 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-three-array-max.wvr.c[2823,2836] [2024-04-06 06:37:55,267 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 06:37:55,275 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 06:37:55,275 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 06:37:55,280 INFO L206 MainTranslator]: Completed translation [2024-04-06 06:37:55,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 06:37:55 WrapperNode [2024-04-06 06:37:55,281 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-06 06:37:55,283 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 06:37:55,283 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 06:37:55,283 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 06:37:55,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 06:37:55" (1/1) ... [2024-04-06 06:37:55,304 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 06:37:55" (1/1) ... [2024-04-06 06:37:55,330 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 14, calls inlined = 22, statements flattened = 239 [2024-04-06 06:37:55,330 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 06:37:55,331 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 06:37:55,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 06:37:55,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 06:37:55,347 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 06:37:55" (1/1) ... [2024-04-06 06:37:55,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 06:37:55" (1/1) ... [2024-04-06 06:37:55,355 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 06:37:55" (1/1) ... [2024-04-06 06:37:55,356 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 06:37:55" (1/1) ... [2024-04-06 06:37:55,361 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 06:37:55" (1/1) ... [2024-04-06 06:37:55,364 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 06:37:55" (1/1) ... [2024-04-06 06:37:55,370 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 06:37:55" (1/1) ... [2024-04-06 06:37:55,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 06:37:55" (1/1) ... [2024-04-06 06:37:55,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 06:37:55,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 06:37:55,374 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 06:37:55,374 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 06:37:55,375 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 06:37:55" (1/1) ... [2024-04-06 06:37:55,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 06:37:55,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 06:37:55,407 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) [2024-04-06 06:37:55,413 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 [2024-04-06 06:37:55,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-06 06:37:55,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-06 06:37:55,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-06 06:37:55,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-06 06:37:55,448 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-06 06:37:55,448 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-06 06:37:55,448 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-06 06:37:55,448 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-06 06:37:55,448 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-06 06:37:55,448 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-06 06:37:55,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-06 06:37:55,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-06 06:37:55,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-06 06:37:55,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-06 06:37:55,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 06:37:55,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 06:37:55,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-06 06:37:55,452 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-06 06:37:55,533 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 06:37:55,535 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 06:37:55,888 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 06:37:55,974 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 06:37:55,975 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2024-04-06 06:37:55,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 06:37:55 BoogieIcfgContainer [2024-04-06 06:37:55,976 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 06:37:55,978 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 06:37:55,978 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 06:37:55,980 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 06:37:55,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 06:37:55" (1/3) ... [2024-04-06 06:37:55,982 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8d217c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 06:37:55, skipping insertion in model container [2024-04-06 06:37:55,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 06:37:55" (2/3) ... [2024-04-06 06:37:55,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8d217c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 06:37:55, skipping insertion in model container [2024-04-06 06:37:55,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 06:37:55" (3/3) ... [2024-04-06 06:37:55,984 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-max.wvr.c [2024-04-06 06:37:55,990 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 06:37:55,998 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 06:37:55,998 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-06 06:37:55,998 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 06:37:56,078 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-06 06:37:56,123 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 06:37:56,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 06:37:56,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 06:37:56,125 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) [2024-04-06 06:37:56,139 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 [2024-04-06 06:37:56,155 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 06:37:56,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 06:37:56,169 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 06:37:56,176 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;@6fd42aad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-06 06:37:56,176 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-06 06:37:56,733 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 06:37:56,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 06:37:56,737 INFO L85 PathProgramCache]: Analyzing trace with hash -934795254, now seen corresponding path program 1 times [2024-04-06 06:37:56,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 06:37:56,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417028769] [2024-04-06 06:37:56,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 06:37:56,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 06:37:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 06:37:57,109 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-04-06 06:37:57,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 06:37:57,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417028769] [2024-04-06 06:37:57,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417028769] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 06:37:57,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 06:37:57,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-06 06:37:57,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912046439] [2024-04-06 06:37:57,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 06:37:57,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-06 06:37:57,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 06:37:57,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-06 06:37:57,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-06 06:37:57,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:37:57,145 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 06:37:57,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 130.0) internal successors, (260), 2 states have internal predecessors, (260), 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) [2024-04-06 06:37:57,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:37:57,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:37:57,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-06 06:37:57,385 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)] === [2024-04-06 06:37:57,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 06:37:57,386 INFO L85 PathProgramCache]: Analyzing trace with hash -539374646, now seen corresponding path program 1 times [2024-04-06 06:37:57,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 06:37:57,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193297292] [2024-04-06 06:37:57,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 06:37:57,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 06:37:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 06:37:57,960 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-04-06 06:37:57,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 06:37:57,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193297292] [2024-04-06 06:37:57,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193297292] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 06:37:57,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 06:37:57,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-06 06:37:57,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544361612] [2024-04-06 06:37:57,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 06:37:57,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-06 06:37:57,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 06:37:57,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-06 06:37:57,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-04-06 06:37:57,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:37:57,965 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 06:37:57,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.57142857142857) internal successors, (249), 7 states have internal predecessors, (249), 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) [2024-04-06 06:37:57,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:37:57,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:37:58,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:37:58,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 06:37:58,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-06 06:37:58,322 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)] === [2024-04-06 06:37:58,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 06:37:58,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1459837985, now seen corresponding path program 1 times [2024-04-06 06:37:58,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 06:37:58,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034684823] [2024-04-06 06:37:58,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 06:37:58,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 06:37:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 06:37:58,677 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-04-06 06:37:58,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 06:37:58,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034684823] [2024-04-06 06:37:58,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034684823] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 06:37:58,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804119192] [2024-04-06 06:37:58,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 06:37:58,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 06:37:58,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 06:37:58,681 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) [2024-04-06 06:37:58,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-06 06:37:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 06:37:58,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-06 06:37:58,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 06:37:59,160 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-04-06 06:37:59,160 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 06:37:59,445 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-04-06 06:37:59,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804119192] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 06:37:59,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 06:37:59,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-04-06 06:37:59,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8431731] [2024-04-06 06:37:59,446 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 06:37:59,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-06 06:37:59,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 06:37:59,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-06 06:37:59,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2024-04-06 06:37:59,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:37:59,451 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 06:37:59,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 18.42105263157895) internal successors, (350), 19 states have internal predecessors, (350), 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) [2024-04-06 06:37:59,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:37:59,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 06:37:59,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:37:59,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:37:59,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 06:37:59,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 06:37:59,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-06 06:38:00,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-04-06 06:38:00,199 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)] === [2024-04-06 06:38:00,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 06:38:00,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1038471816, now seen corresponding path program 2 times [2024-04-06 06:38:00,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 06:38:00,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940341539] [2024-04-06 06:38:00,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 06:38:00,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 06:38:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 06:38:00,570 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 46 proven. 11 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-04-06 06:38:00,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 06:38:00,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940341539] [2024-04-06 06:38:00,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940341539] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 06:38:00,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850285668] [2024-04-06 06:38:00,570 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 06:38:00,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 06:38:00,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 06:38:00,572 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) [2024-04-06 06:38:00,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-06 06:38:00,730 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 06:38:00,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 06:38:00,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-06 06:38:00,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 06:38:01,006 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 41 proven. 11 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-04-06 06:38:01,007 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 06:38:01,181 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 42 proven. 9 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-04-06 06:38:01,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850285668] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 06:38:01,181 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 06:38:01,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 10] total 30 [2024-04-06 06:38:01,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131934832] [2024-04-06 06:38:01,182 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 06:38:01,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-04-06 06:38:01,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 06:38:01,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-04-06 06:38:01,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=768, Unknown=0, NotChecked=0, Total=870 [2024-04-06 06:38:01,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:01,185 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 06:38:01,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 20.133333333333333) internal successors, (604), 30 states have internal predecessors, (604), 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) [2024-04-06 06:38:01,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:01,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 06:38:01,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 06:38:01,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:02,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:02,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 06:38:02,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 06:38:02,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-06 06:38:02,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-06 06:38:02,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 06:38:02,980 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)] === [2024-04-06 06:38:02,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 06:38:02,981 INFO L85 PathProgramCache]: Analyzing trace with hash -63002031, now seen corresponding path program 3 times [2024-04-06 06:38:02,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 06:38:02,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261158037] [2024-04-06 06:38:02,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 06:38:02,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 06:38:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 06:38:03,496 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 186 proven. 64 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-04-06 06:38:03,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 06:38:03,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261158037] [2024-04-06 06:38:03,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261158037] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 06:38:03,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709728193] [2024-04-06 06:38:03,497 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 06:38:03,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 06:38:03,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 06:38:03,498 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) [2024-04-06 06:38:03,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-06 06:38:03,933 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-04-06 06:38:03,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 06:38:03,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 53 conjunts are in the unsatisfiable core [2024-04-06 06:38:03,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 06:38:04,833 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 257 proven. 27 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-04-06 06:38:04,835 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 06:38:05,302 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 223 proven. 27 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-04-06 06:38:05,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709728193] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 06:38:05,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 06:38:05,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 26, 18] total 52 [2024-04-06 06:38:05,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713400981] [2024-04-06 06:38:05,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 06:38:05,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-04-06 06:38:05,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 06:38:05,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-04-06 06:38:05,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=389, Invalid=2263, Unknown=0, NotChecked=0, Total=2652 [2024-04-06 06:38:05,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:05,310 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 06:38:05,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 13.865384615384615) internal successors, (721), 52 states have internal predecessors, (721), 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) [2024-04-06 06:38:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 06:38:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 06:38:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-06 06:38:05,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:06,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:06,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 06:38:06,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 06:38:06,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-06 06:38:06,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 06:38:06,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-06 06:38:06,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 06:38:06,703 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)] === [2024-04-06 06:38:06,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 06:38:06,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1925659224, now seen corresponding path program 4 times [2024-04-06 06:38:06,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 06:38:06,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8211697] [2024-04-06 06:38:06,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 06:38:06,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 06:38:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 06:38:07,427 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 221 proven. 98 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-04-06 06:38:07,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 06:38:07,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8211697] [2024-04-06 06:38:07,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8211697] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 06:38:07,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847976958] [2024-04-06 06:38:07,427 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 06:38:07,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 06:38:07,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 06:38:07,436 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) [2024-04-06 06:38:07,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-06 06:38:07,584 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 06:38:07,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 06:38:07,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 20 conjunts are in the unsatisfiable core [2024-04-06 06:38:07,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 06:38:08,240 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 242 proven. 52 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-04-06 06:38:08,241 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 06:38:08,844 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 242 proven. 52 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-04-06 06:38:08,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847976958] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 06:38:08,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 06:38:08,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21, 21] total 52 [2024-04-06 06:38:08,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860249443] [2024-04-06 06:38:08,845 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 06:38:08,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-04-06 06:38:08,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 06:38:08,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-04-06 06:38:08,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=419, Invalid=2233, Unknown=0, NotChecked=0, Total=2652 [2024-04-06 06:38:08,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:08,848 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 06:38:08,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 12.115384615384615) internal successors, (630), 52 states have internal predecessors, (630), 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) [2024-04-06 06:38:08,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:08,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 06:38:08,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 06:38:08,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-06 06:38:08,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-06 06:38:08,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:09,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:09,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 06:38:09,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 06:38:09,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-06 06:38:09,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 06:38:09,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 06:38:09,686 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-04-06 06:38:09,884 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,SelfDestructingSolverStorable5 [2024-04-06 06:38:09,884 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)] === [2024-04-06 06:38:09,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 06:38:09,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1739006463, now seen corresponding path program 5 times [2024-04-06 06:38:09,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 06:38:09,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91485462] [2024-04-06 06:38:09,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 06:38:09,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 06:38:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 06:38:10,614 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 71 proven. 257 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-04-06 06:38:10,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 06:38:10,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91485462] [2024-04-06 06:38:10,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91485462] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 06:38:10,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075689002] [2024-04-06 06:38:10,615 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 06:38:10,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 06:38:10,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 06:38:10,617 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) [2024-04-06 06:38:10,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-06 06:38:12,220 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-04-06 06:38:12,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 06:38:12,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 22 conjunts are in the unsatisfiable core [2024-04-06 06:38:12,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 06:38:12,762 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 62 proven. 206 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-06 06:38:12,763 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 06:38:13,111 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 177 proven. 4 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-04-06 06:38:13,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1075689002] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 06:38:13,111 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 06:38:13,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19, 11] total 47 [2024-04-06 06:38:13,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687713474] [2024-04-06 06:38:13,112 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 06:38:13,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-04-06 06:38:13,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 06:38:13,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-04-06 06:38:13,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=1990, Unknown=0, NotChecked=0, Total=2162 [2024-04-06 06:38:13,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:13,114 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 06:38:13,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 16.085106382978722) internal successors, (756), 47 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) [2024-04-06 06:38:13,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:13,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 06:38:13,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 06:38:13,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-06 06:38:13,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-06 06:38:13,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 06:38:13,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:15,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:15,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 06:38:15,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 06:38:15,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-06 06:38:15,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 06:38:15,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 06:38:15,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-06 06:38:15,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-06 06:38:16,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 06:38:16,074 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)] === [2024-04-06 06:38:16,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 06:38:16,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1264037377, now seen corresponding path program 6 times [2024-04-06 06:38:16,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 06:38:16,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845297547] [2024-04-06 06:38:16,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 06:38:16,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 06:38:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 06:38:16,864 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 205 proven. 131 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-06 06:38:16,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 06:38:16,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845297547] [2024-04-06 06:38:16,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845297547] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 06:38:16,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504619846] [2024-04-06 06:38:16,865 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 06:38:16,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 06:38:16,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 06:38:16,866 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) [2024-04-06 06:38:16,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-06 06:38:17,389 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-04-06 06:38:17,389 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 06:38:17,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 911 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-06 06:38:17,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 06:38:18,153 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 251 proven. 85 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-06 06:38:18,153 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 06:38:18,844 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 251 proven. 85 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-06 06:38:18,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504619846] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 06:38:18,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 06:38:18,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 60 [2024-04-06 06:38:18,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587398069] [2024-04-06 06:38:18,845 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 06:38:18,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-04-06 06:38:18,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 06:38:18,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-04-06 06:38:18,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=565, Invalid=2975, Unknown=0, NotChecked=0, Total=3540 [2024-04-06 06:38:18,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:18,848 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 06:38:18,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 12.216666666666667) internal successors, (733), 60 states have internal predecessors, (733), 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) [2024-04-06 06:38:18,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:18,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 06:38:18,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 06:38:18,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-06 06:38:18,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-06 06:38:18,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 06:38:18,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-06 06:38:18,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:19,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:19,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 06:38:19,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 06:38:19,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-06 06:38:19,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 06:38:19,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 06:38:19,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-06 06:38:19,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-06 06:38:19,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-06 06:38:19,854 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,SelfDestructingSolverStorable7 [2024-04-06 06:38:19,854 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)] === [2024-04-06 06:38:19,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 06:38:19,855 INFO L85 PathProgramCache]: Analyzing trace with hash 249728008, now seen corresponding path program 7 times [2024-04-06 06:38:19,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 06:38:19,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424135278] [2024-04-06 06:38:19,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 06:38:19,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 06:38:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 06:38:20,620 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 65 proven. 312 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-04-06 06:38:20,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 06:38:20,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424135278] [2024-04-06 06:38:20,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424135278] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 06:38:20,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004903558] [2024-04-06 06:38:20,621 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 06:38:20,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 06:38:20,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 06:38:20,622 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) [2024-04-06 06:38:20,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-06 06:38:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 06:38:20,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-06 06:38:20,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 06:38:21,731 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 94 proven. 283 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-04-06 06:38:21,732 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 06:38:22,470 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 135 proven. 242 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-04-06 06:38:22,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004903558] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 06:38:22,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 06:38:22,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 60 [2024-04-06 06:38:22,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75242480] [2024-04-06 06:38:22,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 06:38:22,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-04-06 06:38:22,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 06:38:22,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-04-06 06:38:22,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=552, Invalid=2988, Unknown=0, NotChecked=0, Total=3540 [2024-04-06 06:38:22,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:22,474 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 06:38:22,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 11.55) internal successors, (693), 60 states have internal predecessors, (693), 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) [2024-04-06 06:38:22,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:22,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 06:38:22,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 06:38:22,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-06 06:38:22,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-06 06:38:22,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 06:38:22,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-06 06:38:22,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-06 06:38:22,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:24,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:24,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 06:38:24,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 06:38:24,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-06 06:38:24,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 06:38:24,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 06:38:24,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-06 06:38:24,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-06 06:38:24,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-06 06:38:24,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-06 06:38:24,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 06:38:24,625 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)] === [2024-04-06 06:38:24,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 06:38:24,625 INFO L85 PathProgramCache]: Analyzing trace with hash -177588708, now seen corresponding path program 8 times [2024-04-06 06:38:24,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 06:38:24,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225973048] [2024-04-06 06:38:24,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 06:38:24,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 06:38:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 06:38:25,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1090 backedges. 559 proven. 278 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-04-06 06:38:25,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 06:38:25,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225973048] [2024-04-06 06:38:25,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225973048] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 06:38:25,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494210656] [2024-04-06 06:38:25,629 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 06:38:25,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 06:38:25,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 06:38:25,630 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) [2024-04-06 06:38:25,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-06 06:38:25,887 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 06:38:25,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 06:38:25,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 1094 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-06 06:38:25,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 06:38:26,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1090 backedges. 653 proven. 126 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2024-04-06 06:38:26,862 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 06:38:27,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1090 backedges. 653 proven. 126 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2024-04-06 06:38:27,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494210656] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 06:38:27,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 06:38:27,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 29, 29] total 81 [2024-04-06 06:38:27,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588906279] [2024-04-06 06:38:27,852 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 06:38:27,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-04-06 06:38:27,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 06:38:27,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-04-06 06:38:27,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=791, Invalid=5689, Unknown=0, NotChecked=0, Total=6480 [2024-04-06 06:38:27,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:27,856 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 06:38:27,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 11.728395061728396) internal successors, (950), 81 states have internal predecessors, (950), 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) [2024-04-06 06:38:27,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:27,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 06:38:27,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 06:38:27,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-06 06:38:27,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-06 06:38:27,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 06:38:27,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-06 06:38:27,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-06 06:38:27,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-06 06:38:27,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:29,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:29,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 06:38:29,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 06:38:29,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-06 06:38:29,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 06:38:29,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 06:38:29,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-06 06:38:29,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-06 06:38:29,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-06 06:38:29,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-06 06:38:29,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-06 06:38:29,342 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,SelfDestructingSolverStorable9 [2024-04-06 06:38:29,343 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)] === [2024-04-06 06:38:29,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 06:38:29,343 INFO L85 PathProgramCache]: Analyzing trace with hash 510932709, now seen corresponding path program 9 times [2024-04-06 06:38:29,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 06:38:29,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978279752] [2024-04-06 06:38:29,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 06:38:29,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 06:38:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 06:38:30,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1237 backedges. 559 proven. 327 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-04-06 06:38:30,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 06:38:30,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978279752] [2024-04-06 06:38:30,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978279752] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 06:38:30,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355877133] [2024-04-06 06:38:30,517 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 06:38:30,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 06:38:30,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 06:38:30,518 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) [2024-04-06 06:38:30,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-06 06:38:32,829 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-04-06 06:38:32,830 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 06:38:32,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 1136 conjuncts, 79 conjunts are in the unsatisfiable core [2024-04-06 06:38:32,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 06:38:34,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1237 backedges. 752 proven. 184 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-04-06 06:38:34,971 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 06:38:36,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1237 backedges. 375 proven. 561 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-04-06 06:38:36,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355877133] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 06:38:36,761 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 06:38:36,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 55, 42] total 123 [2024-04-06 06:38:36,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536681542] [2024-04-06 06:38:36,762 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 06:38:36,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 123 states [2024-04-06 06:38:36,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 06:38:36,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2024-04-06 06:38:36,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1607, Invalid=13399, Unknown=0, NotChecked=0, Total=15006 [2024-04-06 06:38:36,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:36,772 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 06:38:36,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 123 states, 123 states have (on average 10.65040650406504) internal successors, (1310), 123 states have internal predecessors, (1310), 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) [2024-04-06 06:38:36,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:36,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 06:38:36,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 06:38:36,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-06 06:38:36,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-06 06:38:36,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 06:38:36,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-06 06:38:36,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-06 06:38:36,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-06 06:38:36,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-06 06:38:36,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:41,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:41,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 06:38:41,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 06:38:41,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-06 06:38:41,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 06:38:41,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 06:38:41,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-06 06:38:41,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-06 06:38:41,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-06 06:38:41,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-06 06:38:41,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-04-06 06:38:41,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-06 06:38:41,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-04-06 06:38:41,340 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)] === [2024-04-06 06:38:41,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 06:38:41,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1246134175, now seen corresponding path program 1 times [2024-04-06 06:38:41,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 06:38:41,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664804191] [2024-04-06 06:38:41,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 06:38:41,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 06:38:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 06:38:43,185 INFO L134 CoverageAnalysis]: Checked inductivity of 3037 backedges. 1776 proven. 524 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2024-04-06 06:38:43,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 06:38:43,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664804191] [2024-04-06 06:38:43,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664804191] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 06:38:43,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961932024] [2024-04-06 06:38:43,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 06:38:43,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 06:38:43,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 06:38:43,187 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) [2024-04-06 06:38:43,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-06 06:38:43,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 06:38:43,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 1500 conjuncts, 40 conjunts are in the unsatisfiable core [2024-04-06 06:38:43,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 06:38:44,935 INFO L134 CoverageAnalysis]: Checked inductivity of 3037 backedges. 1819 proven. 297 refuted. 0 times theorem prover too weak. 921 trivial. 0 not checked. [2024-04-06 06:38:44,935 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 06:38:46,627 INFO L134 CoverageAnalysis]: Checked inductivity of 3037 backedges. 1819 proven. 297 refuted. 0 times theorem prover too weak. 921 trivial. 0 not checked. [2024-04-06 06:38:46,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961932024] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 06:38:46,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 06:38:46,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41, 41] total 115 [2024-04-06 06:38:46,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064303542] [2024-04-06 06:38:46,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 06:38:46,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2024-04-06 06:38:46,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 06:38:46,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2024-04-06 06:38:46,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1528, Invalid=11582, Unknown=0, NotChecked=0, Total=13110 [2024-04-06 06:38:46,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:46,638 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 06:38:46,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 10.669565217391304) internal successors, (1227), 115 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 06:38:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 06:38:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 06:38:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-06 06:38:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-06 06:38:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 06:38:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-06 06:38:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-06 06:38:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-06 06:38:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-06 06:38:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-04-06 06:38:46,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:49,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:49,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 06:38:49,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 06:38:49,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-06 06:38:49,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 06:38:49,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 06:38:49,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-06 06:38:49,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-06 06:38:49,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-06 06:38:49,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-06 06:38:49,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-04-06 06:38:49,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-06 06:38:49,063 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-04-06 06:38:49,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 06:38:49,256 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)] === [2024-04-06 06:38:49,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 06:38:49,256 INFO L85 PathProgramCache]: Analyzing trace with hash -329691864, now seen corresponding path program 2 times [2024-04-06 06:38:49,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 06:38:49,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196247875] [2024-04-06 06:38:49,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 06:38:49,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 06:38:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 06:38:53,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3256 backedges. 1856 proven. 660 refuted. 0 times theorem prover too weak. 740 trivial. 0 not checked. [2024-04-06 06:38:53,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 06:38:53,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196247875] [2024-04-06 06:38:53,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196247875] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 06:38:53,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703388743] [2024-04-06 06:38:53,418 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 06:38:53,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 06:38:53,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 06:38:53,419 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) [2024-04-06 06:38:53,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-06 06:38:53,742 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 06:38:53,743 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 06:38:53,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 1542 conjuncts, 44 conjunts are in the unsatisfiable core [2024-04-06 06:38:53,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 06:38:55,995 INFO L134 CoverageAnalysis]: Checked inductivity of 3256 backedges. 1946 proven. 370 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2024-04-06 06:38:55,995 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 06:38:58,341 INFO L134 CoverageAnalysis]: Checked inductivity of 3256 backedges. 1946 proven. 370 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2024-04-06 06:38:58,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703388743] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 06:38:58,342 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 06:38:58,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [77, 45, 45] total 159 [2024-04-06 06:38:58,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632663506] [2024-04-06 06:38:58,342 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 06:38:58,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 159 states [2024-04-06 06:38:58,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 06:38:58,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2024-04-06 06:38:58,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2239, Invalid=22883, Unknown=0, NotChecked=0, Total=25122 [2024-04-06 06:38:58,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:58,351 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 06:38:58,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 159 states, 159 states have (on average 8.867924528301886) internal successors, (1410), 159 states have internal predecessors, (1410), 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) [2024-04-06 06:38:58,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:38:58,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 06:38:58,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 06:38:58,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-06 06:38:58,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-06 06:38:58,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 06:38:58,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-06 06:38:58,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-06 06:38:58,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-06 06:38:58,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-06 06:38:58,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-04-06 06:38:58,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-06 06:38:58,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:39:01,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:39:01,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 06:39:01,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 06:39:01,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-06 06:39:01,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 06:39:01,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 06:39:01,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-06 06:39:01,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-06 06:39:01,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-06 06:39:01,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-06 06:39:01,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-04-06 06:39:01,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-06 06:39:01,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-06 06:39:01,020 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-04-06 06:39:01,214 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,SelfDestructingSolverStorable12 [2024-04-06 06:39:01,214 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)] === [2024-04-06 06:39:01,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 06:39:01,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1250035279, now seen corresponding path program 3 times [2024-04-06 06:39:01,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 06:39:01,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791749992] [2024-04-06 06:39:01,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 06:39:01,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 06:39:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 06:39:03,127 INFO L134 CoverageAnalysis]: Checked inductivity of 3499 backedges. 768 proven. 1764 refuted. 0 times theorem prover too weak. 967 trivial. 0 not checked. [2024-04-06 06:39:03,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 06:39:03,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791749992] [2024-04-06 06:39:03,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791749992] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 06:39:03,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518338085] [2024-04-06 06:39:03,127 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 06:39:03,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 06:39:03,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 06:39:03,128 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) [2024-04-06 06:39:03,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-06 06:39:03,542 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-04-06 06:39:03,542 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 06:39:03,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-06 06:39:03,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 06:39:03,861 INFO L134 CoverageAnalysis]: Checked inductivity of 3499 backedges. 790 proven. 21 refuted. 0 times theorem prover too weak. 2688 trivial. 0 not checked. [2024-04-06 06:39:03,861 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 06:39:04,173 INFO L134 CoverageAnalysis]: Checked inductivity of 3499 backedges. 790 proven. 21 refuted. 0 times theorem prover too weak. 2688 trivial. 0 not checked. [2024-04-06 06:39:04,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518338085] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 06:39:04,174 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 06:39:04,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 11, 11] total 61 [2024-04-06 06:39:04,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947627908] [2024-04-06 06:39:04,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 06:39:04,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-04-06 06:39:04,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 06:39:04,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-04-06 06:39:04,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=298, Invalid=3362, Unknown=0, NotChecked=0, Total=3660 [2024-04-06 06:39:04,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:39:04,177 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 06:39:04,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 15.131147540983607) internal successors, (923), 61 states have internal predecessors, (923), 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) [2024-04-06 06:39:04,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:39:04,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 06:39:04,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 06:39:04,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-06 06:39:04,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-06 06:39:04,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 06:39:04,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-06 06:39:04,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-06 06:39:04,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-06 06:39:04,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-06 06:39:04,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-04-06 06:39:04,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-06 06:39:04,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-06 06:39:04,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:39:10,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:39:10,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 06:39:10,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 06:39:10,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-06 06:39:10,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 06:39:10,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 06:39:10,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-06 06:39:10,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-06 06:39:10,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-06 06:39:10,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-06 06:39:10,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-04-06 06:39:10,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-06 06:39:10,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-06 06:39:10,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2024-04-06 06:39:10,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-06 06:39:11,089 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,SelfDestructingSolverStorable13 [2024-04-06 06:39:11,090 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)] === [2024-04-06 06:39:11,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 06:39:11,090 INFO L85 PathProgramCache]: Analyzing trace with hash 447120373, now seen corresponding path program 10 times [2024-04-06 06:39:11,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 06:39:11,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516486575] [2024-04-06 06:39:11,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 06:39:11,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 06:39:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 06:39:13,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2849 backedges. 1360 proven. 587 refuted. 0 times theorem prover too weak. 902 trivial. 0 not checked. [2024-04-06 06:39:13,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 06:39:13,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516486575] [2024-04-06 06:39:13,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516486575] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 06:39:13,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389592187] [2024-04-06 06:39:13,071 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 06:39:13,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 06:39:13,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 06:39:13,072 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) [2024-04-06 06:39:13,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-06 06:39:13,342 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 06:39:13,343 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 06:39:13,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 1205 conjuncts, 48 conjunts are in the unsatisfiable core [2024-04-06 06:39:13,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 06:39:15,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2849 backedges. 1496 proven. 451 refuted. 0 times theorem prover too weak. 902 trivial. 0 not checked. [2024-04-06 06:39:15,366 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 06:39:17,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2849 backedges. 1496 proven. 451 refuted. 0 times theorem prover too weak. 902 trivial. 0 not checked. [2024-04-06 06:39:17,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389592187] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 06:39:17,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 06:39:17,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 120 [2024-04-06 06:39:17,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905785630] [2024-04-06 06:39:17,030 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 06:39:17,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 120 states [2024-04-06 06:39:17,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 06:39:17,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2024-04-06 06:39:17,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2053, Invalid=12227, Unknown=0, NotChecked=0, Total=14280 [2024-04-06 06:39:17,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:39:17,035 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 06:39:17,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 120 states, 120 states have (on average 9.75) internal successors, (1170), 120 states have internal predecessors, (1170), 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) [2024-04-06 06:39:17,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:39:17,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 06:39:17,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 06:39:17,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-06 06:39:17,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-06 06:39:17,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 06:39:17,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-06 06:39:17,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-06 06:39:17,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-06 06:39:17,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-06 06:39:17,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-04-06 06:39:17,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-06 06:39:17,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-06 06:39:17,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2024-04-06 06:39:17,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:39:18,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:39:18,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 06:39:18,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 06:39:18,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-06 06:39:18,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 06:39:18,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 06:39:18,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-06 06:39:18,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-06 06:39:18,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-06 06:39:18,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-06 06:39:18,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-04-06 06:39:18,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-06 06:39:18,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-06 06:39:18,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2024-04-06 06:39:18,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-06 06:39:18,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-06 06:39:18,935 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,SelfDestructingSolverStorable14 [2024-04-06 06:39:18,935 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)] === [2024-04-06 06:39:18,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 06:39:18,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1645166530, now seen corresponding path program 11 times [2024-04-06 06:39:18,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 06:39:18,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927708080] [2024-04-06 06:39:18,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 06:39:18,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 06:39:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 06:39:20,985 INFO L134 CoverageAnalysis]: Checked inductivity of 3116 backedges. 401 proven. 1635 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2024-04-06 06:39:20,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 06:39:20,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927708080] [2024-04-06 06:39:20,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927708080] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 06:39:20,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598897758] [2024-04-06 06:39:20,986 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 06:39:20,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 06:39:20,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 06:39:20,987 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) [2024-04-06 06:39:20,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process Received shutdown request... [2024-04-06 06:52:16,047 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 [2024-04-06 06:52:16,055 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 [2024-04-06 06:52:16,056 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 [2024-04-06 06:52:17,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2024-04-06 06:52:17,071 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-04-06 06:52:17,264 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forcibly destroying the process [2024-04-06 06:52:17,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 137 [2024-04-06 06:52:17,304 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-06 06:52:17,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-04-06 06:52:17,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2024-04-06 06:52:17,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873848191] [2024-04-06 06:52:17,304 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-04-06 06:52:17,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-04-06 06:52:17,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 06:52:17,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-04-06 06:52:17,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=2053, Unknown=0, NotChecked=0, Total=2352 [2024-04-06 06:52:17,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:52:17,306 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 06:52:17,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 13.0) internal successors, (637), 49 states have internal predecessors, (637), 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) [2024-04-06 06:52:17,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:52:17,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 06:52:17,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 06:52:17,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-06 06:52:17,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-06 06:52:17,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 06:52:17,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-06 06:52:17,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-06 06:52:17,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-06 06:52:17,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-06 06:52:17,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-04-06 06:52:17,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-06 06:52:17,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-06 06:52:17,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2024-04-06 06:52:17,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-06 06:52:17,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 06:52:17,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-04-06 06:52:17,308 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2024-04-06 06:52:17,309 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-06 06:52:17,310 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-06 06:52:17,310 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-06 06:52:17,310 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-06 06:52:17,313 INFO L445 BasicCegarLoop]: Path program histogram: [11, 3, 1, 1] [2024-04-06 06:52:17,315 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-06 06:52:17,315 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-06 06:52:17,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 06:52:17 BasicIcfg [2024-04-06 06:52:17,317 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-06 06:52:17,317 INFO L158 Benchmark]: Toolchain (without parser) took 862312.52ms. Allocated memory was 292.6MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 222.1MB in the beginning and 1.0GB in the end (delta: -803.8MB). Peak memory consumption was 298.7MB. Max. memory is 8.0GB. [2024-04-06 06:52:17,317 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 292.6MB. Free memory is still 261.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-06 06:52:17,318 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.37ms. Allocated memory is still 292.6MB. Free memory was 221.9MB in the beginning and 209.5MB in the end (delta: 12.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-06 06:52:17,318 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.91ms. Allocated memory is still 292.6MB. Free memory was 209.4MB in the beginning and 206.9MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-04-06 06:52:17,318 INFO L158 Benchmark]: Boogie Preprocessor took 42.49ms. Allocated memory is still 292.6MB. Free memory was 206.9MB in the beginning and 204.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-06 06:52:17,318 INFO L158 Benchmark]: RCFGBuilder took 602.35ms. Allocated memory is still 292.6MB. Free memory was 204.7MB in the beginning and 241.1MB in the end (delta: -36.3MB). Peak memory consumption was 24.4MB. Max. memory is 8.0GB. [2024-04-06 06:52:17,318 INFO L158 Benchmark]: TraceAbstraction took 861338.93ms. Allocated memory was 292.6MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 240.1MB in the beginning and 1.0GB in the end (delta: -785.8MB). Peak memory consumption was 315.2MB. Max. memory is 8.0GB. [2024-04-06 06:52:17,319 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 292.6MB. Free memory is still 261.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 274.37ms. Allocated memory is still 292.6MB. Free memory was 221.9MB in the beginning and 209.5MB in the end (delta: 12.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.91ms. Allocated memory is still 292.6MB. Free memory was 209.4MB in the beginning and 206.9MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.49ms. Allocated memory is still 292.6MB. Free memory was 206.9MB in the beginning and 204.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 602.35ms. Allocated memory is still 292.6MB. Free memory was 204.7MB in the beginning and 241.1MB in the end (delta: -36.3MB). Peak memory consumption was 24.4MB. Max. memory is 8.0GB. * TraceAbstraction took 861338.93ms. Allocated memory was 292.6MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 240.1MB in the beginning and 1.0GB in the end (delta: -785.8MB). Peak memory consumption was 315.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 608738, independent: 536407, independent conditional: 526452, independent unconditional: 9955, dependent: 72331, dependent conditional: 64796, dependent unconditional: 7535, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 538583, independent: 536407, independent conditional: 526452, independent unconditional: 9955, dependent: 2176, dependent conditional: 2167, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 538583, independent: 536407, independent conditional: 526452, independent unconditional: 9955, dependent: 2176, dependent conditional: 2167, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 538583, independent: 536407, independent conditional: 526452, independent unconditional: 9955, dependent: 2176, dependent conditional: 2167, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 546497, independent: 536407, independent conditional: 29954, independent unconditional: 506453, dependent: 10090, dependent conditional: 5768, dependent unconditional: 4322, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 546497, independent: 536407, independent conditional: 29266, independent unconditional: 507141, dependent: 10090, dependent conditional: 4460, dependent unconditional: 5630, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 546497, independent: 536407, independent conditional: 29266, independent unconditional: 507141, dependent: 10090, dependent conditional: 4460, dependent unconditional: 5630, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1796, independent: 1685, independent conditional: 0, independent unconditional: 1685, dependent: 111, dependent conditional: 97, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1796, independent: 1685, independent conditional: 0, independent unconditional: 1685, dependent: 111, dependent conditional: 0, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 111, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 111, dependent conditional: 97, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 111, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 111, dependent conditional: 97, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 374, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 374, dependent conditional: 285, dependent unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 546497, independent: 534722, independent conditional: 29266, independent unconditional: 505456, dependent: 9979, dependent conditional: 4363, dependent unconditional: 5616, unknown: 1796, unknown conditional: 97, unknown unconditional: 1699] , Statistics on independence cache: Total cache size (in pairs): 1796, Positive cache size: 1685, Positive conditional cache size: 0, Positive unconditional cache size: 1685, Negative cache size: 111, Negative conditional cache size: 97, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1996, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 546497, independent: 536407, independent conditional: 29954, independent unconditional: 506453, dependent: 10090, dependent conditional: 5768, dependent unconditional: 4322, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 546497, independent: 536407, independent conditional: 29266, independent unconditional: 507141, dependent: 10090, dependent conditional: 4460, dependent unconditional: 5630, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 546497, independent: 536407, independent conditional: 29266, independent unconditional: 507141, dependent: 10090, dependent conditional: 4460, dependent unconditional: 5630, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1796, independent: 1685, independent conditional: 0, independent unconditional: 1685, dependent: 111, dependent conditional: 97, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1796, independent: 1685, independent conditional: 0, independent unconditional: 1685, dependent: 111, dependent conditional: 0, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 111, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 111, dependent conditional: 97, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 111, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 111, dependent conditional: 97, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 374, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 374, dependent conditional: 285, dependent unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 546497, independent: 534722, independent conditional: 29266, independent unconditional: 505456, dependent: 9979, dependent conditional: 4363, dependent unconditional: 5616, unknown: 1796, unknown conditional: 97, unknown unconditional: 1699] , Statistics on independence cache: Total cache size (in pairs): 1796, Positive cache size: 1685, Positive conditional cache size: 0, Positive unconditional cache size: 1685, Negative cache size: 111, Negative conditional cache size: 97, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1996 ], Independence queries for same thread: 70155 - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 108]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 106]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 343 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 861.2s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 11, EmptinessCheckTime: 29.9s, 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: 773, 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: 0.8s SsaConstructionTime, 6.2s SatisfiabilityAnalysisTime, 43.7s InterpolantComputationTime, 16189 NumberOfCodeBlocks, 15639 NumberOfCodeBlocksAsserted, 59 NumberOfCheckSat, 23539 ConstructedInterpolants, 0 QuantifiedInterpolants, 83606 SizeOfPredicates, 357 NumberOfNonLiveVariables, 12906 ConjunctsInSsa, 412 ConjunctsInUnsatCore, 42 InterpolantComputations, 2 PerfectInterpolantSequences, 44963/55972 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