/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 FORWARD --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-more-min-array-hom.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-07 02:53:39,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 02:53:39,575 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 02:53:39,579 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 02:53:39,579 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 02:53:39,602 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 02:53:39,602 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 02:53:39,602 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 02:53:39,603 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 02:53:39,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 02:53:39,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 02:53:39,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 02:53:39,607 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 02:53:39,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 02:53:39,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 02:53:39,609 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 02:53:39,609 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 02:53:39,609 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 02:53:39,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 02:53:39,609 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 02:53:39,609 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 02:53:39,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 02:53:39,610 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 02:53:39,610 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 02:53:39,610 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 02:53:39,610 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 02:53:39,610 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 02:53:39,611 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 02:53:39,611 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 02:53:39,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 02:53:39,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 02:53:39,612 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 02:53:39,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 02:53:39,612 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 02:53:39,612 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 02:53:39,612 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 02:53:39,613 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 02:53:39,613 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 02:53:39,613 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 02:53:39,613 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> FORWARD Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 02:53:39,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 02:53:39,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 02:53:39,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 02:53:39,805 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 02:53:39,805 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 02:53:39,806 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-min-array-hom.wvr.c [2024-05-07 02:53:40,797 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 02:53:40,976 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 02:53:40,977 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-array-hom.wvr.c [2024-05-07 02:53:40,983 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/16efa5f73/8d4936b5c72544d499ebd555986bda5d/FLAGa72679be4 [2024-05-07 02:53:41,003 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/16efa5f73/8d4936b5c72544d499ebd555986bda5d [2024-05-07 02:53:41,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 02:53:41,006 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 02:53:41,009 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 02:53:41,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 02:53:41,013 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 02:53:41,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 02:53:41" (1/1) ... [2024-05-07 02:53:41,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13129dc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:53:41, skipping insertion in model container [2024-05-07 02:53:41,014 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 02:53:41" (1/1) ... [2024-05-07 02:53:41,037 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 02:53:41,163 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-more-min-array-hom.wvr.c[2586,2599] [2024-05-07 02:53:41,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 02:53:41,176 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 02:53:41,189 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-more-min-array-hom.wvr.c[2586,2599] [2024-05-07 02:53:41,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 02:53:41,196 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 02:53:41,196 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 02:53:41,201 INFO L206 MainTranslator]: Completed translation [2024-05-07 02:53:41,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:53:41 WrapperNode [2024-05-07 02:53:41,202 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 02:53:41,202 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 02:53:41,202 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 02:53:41,202 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 02:53:41,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:53:41" (1/1) ... [2024-05-07 02:53:41,213 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:53:41" (1/1) ... [2024-05-07 02:53:41,227 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 105 [2024-05-07 02:53:41,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 02:53:41,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 02:53:41,228 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 02:53:41,228 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 02:53:41,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:53:41" (1/1) ... [2024-05-07 02:53:41,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:53:41" (1/1) ... [2024-05-07 02:53:41,240 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:53:41" (1/1) ... [2024-05-07 02:53:41,240 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:53:41" (1/1) ... [2024-05-07 02:53:41,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:53:41" (1/1) ... [2024-05-07 02:53:41,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:53:41" (1/1) ... [2024-05-07 02:53:41,248 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:53:41" (1/1) ... [2024-05-07 02:53:41,249 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:53:41" (1/1) ... [2024-05-07 02:53:41,250 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 02:53:41,251 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 02:53:41,251 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 02:53:41,251 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 02:53:41,251 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:53:41" (1/1) ... [2024-05-07 02:53:41,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 02:53:41,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 02:53:41,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-07 02:53:41,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-07 02:53:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 02:53:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-07 02:53:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-07 02:53:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-07 02:53:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-07 02:53:41,351 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-07 02:53:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-07 02:53:41,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 02:53:41,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 02:53:41,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 02:53:41,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-07 02:53:41,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-07 02:53:41,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-07 02:53:41,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 02:53:41,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 02:53:41,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-07 02:53:41,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 02:53:41,354 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-07 02:53:41,454 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 02:53:41,455 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 02:53:41,718 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 02:53:41,772 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 02:53:41,773 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-05-07 02:53:41,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 02:53:41 BoogieIcfgContainer [2024-05-07 02:53:41,774 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 02:53:41,782 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 02:53:41,783 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 02:53:41,785 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 02:53:41,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 02:53:41" (1/3) ... [2024-05-07 02:53:41,786 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ff02ab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 02:53:41, skipping insertion in model container [2024-05-07 02:53:41,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:53:41" (2/3) ... [2024-05-07 02:53:41,787 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ff02ab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 02:53:41, skipping insertion in model container [2024-05-07 02:53:41,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 02:53:41" (3/3) ... [2024-05-07 02:53:41,788 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-min-array-hom.wvr.c [2024-05-07 02:53:41,794 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 02:53:41,800 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 02:53:41,800 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 02:53:41,801 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 02:53:41,854 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-07 02:53:41,883 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 02:53:41,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 02:53:41,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 02:53:41,897 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-07 02:53:41,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-07 02:53:41,938 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 02:53:41,955 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 02:53:41,956 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 02:53:41,964 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;@20b0738f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=FORWARD, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-07 02:53:41,964 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-07 02:53:42,240 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 02:53:42,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 02:53:42,244 INFO L85 PathProgramCache]: Analyzing trace with hash -558164939, now seen corresponding path program 1 times [2024-05-07 02:53:42,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 02:53:42,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401429064] [2024-05-07 02:53:42,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:53:42,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:53:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:53:42,582 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-07 02:53:42,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 02:53:42,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401429064] [2024-05-07 02:53:42,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401429064] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 02:53:42,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 02:53:42,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-07 02:53:42,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632528436] [2024-05-07 02:53:42,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 02:53:42,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-07 02:53:42,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 02:53:42,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-07 02:53:42,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-07 02:53:42,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:42,608 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 02:53:42,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 61.0) internal successors, (122), 2 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 02:53:42,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:42,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:42,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-07 02:53:42,692 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 02:53:42,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 02:53:42,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1646641701, now seen corresponding path program 1 times [2024-05-07 02:53:42,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 02:53:42,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745990972] [2024-05-07 02:53:42,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:53:42,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:53:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:53:43,068 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-07 02:53:43,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 02:53:43,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745990972] [2024-05-07 02:53:43,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745990972] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 02:53:43,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 02:53:43,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-07 02:53:43,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45270201] [2024-05-07 02:53:43,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 02:53:43,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-07 02:53:43,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 02:53:43,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-07 02:53:43,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-05-07 02:53:43,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:43,073 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 02:53:43,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 02:53:43,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:43,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:43,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:43,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:53:43,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-07 02:53:43,246 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 02:53:43,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 02:53:43,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1620260655, now seen corresponding path program 1 times [2024-05-07 02:53:43,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 02:53:43,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790985418] [2024-05-07 02:53:43,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:53:43,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:53:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:53:43,577 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 02:53:43,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 02:53:43,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790985418] [2024-05-07 02:53:43,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790985418] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 02:53:43,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424189685] [2024-05-07 02:53:43,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:53:43,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 02:53:43,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 02:53:43,618 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 02:53:43,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-07 02:53:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:53:43,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-07 02:53:43,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 02:53:44,070 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 02:53:44,070 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 02:53:44,276 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 02:53:44,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424189685] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 02:53:44,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 02:53:44,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-05-07 02:53:44,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633776573] [2024-05-07 02:53:44,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 02:53:44,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-05-07 02:53:44,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 02:53:44,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-05-07 02:53:44,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-05-07 02:53:44,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:44,279 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 02:53:44,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.375) internal successors, (225), 24 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 02:53:44,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:44,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:53:44,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:44,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:44,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:53:44,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:53:44,568 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-07 02:53:44,755 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 [2024-05-07 02:53:44,755 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 02:53:44,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 02:53:44,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1285029319, now seen corresponding path program 2 times [2024-05-07 02:53:44,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 02:53:44,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118738550] [2024-05-07 02:53:44,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:53:44,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:53:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:53:45,046 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 02:53:45,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 02:53:45,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118738550] [2024-05-07 02:53:45,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118738550] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 02:53:45,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378206150] [2024-05-07 02:53:45,051 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 02:53:45,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 02:53:45,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 02:53:45,053 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 02:53:45,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-07 02:53:45,166 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 02:53:45,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 02:53:45,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-07 02:53:45,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 02:53:45,410 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-07 02:53:45,410 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 02:53:45,638 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-07 02:53:45,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378206150] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 02:53:45,638 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 02:53:45,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 29 [2024-05-07 02:53:45,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182700477] [2024-05-07 02:53:45,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 02:53:45,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-05-07 02:53:45,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 02:53:45,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-05-07 02:53:45,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=721, Unknown=0, NotChecked=0, Total=812 [2024-05-07 02:53:45,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:45,640 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 02:53:45,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 8.586206896551724) internal successors, (249), 29 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) [2024-05-07 02:53:45,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:45,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:53:45,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:53:45,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:47,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:47,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:53:47,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:53:47,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-07 02:53:47,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-07 02:53:47,252 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 [2024-05-07 02:53:47,253 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 02:53:47,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 02:53:47,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1319334443, now seen corresponding path program 1 times [2024-05-07 02:53:47,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 02:53:47,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72904872] [2024-05-07 02:53:47,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:53:47,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:53:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:53:47,529 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 02:53:47,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 02:53:47,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72904872] [2024-05-07 02:53:47,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72904872] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 02:53:47,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824941354] [2024-05-07 02:53:47,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:53:47,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 02:53:47,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 02:53:47,550 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 02:53:47,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-07 02:53:47,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:53:47,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-07 02:53:47,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 02:53:47,956 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-07 02:53:47,956 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 02:53:48,302 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-07 02:53:48,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824941354] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 02:53:48,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 02:53:48,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 38 [2024-05-07 02:53:48,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787132213] [2024-05-07 02:53:48,303 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 02:53:48,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-05-07 02:53:48,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 02:53:48,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-05-07 02:53:48,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=1204, Unknown=0, NotChecked=0, Total=1406 [2024-05-07 02:53:48,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:48,305 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 02:53:48,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 7.342105263157895) internal successors, (279), 38 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 02:53:48,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:48,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:53:48,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:53:48,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-07 02:53:48,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:48,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:48,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:53:48,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:53:48,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-07 02:53:48,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:53:48,869 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-05-07 02:53:49,069 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 [2024-05-07 02:53:49,070 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 02:53:49,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 02:53:49,070 INFO L85 PathProgramCache]: Analyzing trace with hash -758601163, now seen corresponding path program 2 times [2024-05-07 02:53:49,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 02:53:49,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432443280] [2024-05-07 02:53:49,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:53:49,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:53:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:53:49,338 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 16 proven. 42 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 02:53:49,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 02:53:49,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432443280] [2024-05-07 02:53:49,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432443280] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 02:53:49,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068773700] [2024-05-07 02:53:49,339 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 02:53:49,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 02:53:49,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 02:53:49,340 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 02:53:49,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-07 02:53:49,462 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 02:53:49,463 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 02:53:49,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-07 02:53:49,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 02:53:49,759 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 24 proven. 34 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 02:53:49,759 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 02:53:50,046 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 41 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 02:53:50,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068773700] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 02:53:50,048 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 02:53:50,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2024-05-07 02:53:50,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340892732] [2024-05-07 02:53:50,048 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 02:53:50,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-05-07 02:53:50,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 02:53:50,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-05-07 02:53:50,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=918, Unknown=0, NotChecked=0, Total=1122 [2024-05-07 02:53:50,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:50,050 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 02:53:50,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 8.617647058823529) internal successors, (293), 34 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 02:53:50,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:50,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:53:50,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:53:50,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-07 02:53:50,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:53:50,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:50,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:50,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:53:50,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:53:50,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-07 02:53:50,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:53:50,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:53:50,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-07 02:53:50,682 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 [2024-05-07 02:53:50,683 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 02:53:50,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 02:53:50,683 INFO L85 PathProgramCache]: Analyzing trace with hash -690479566, now seen corresponding path program 3 times [2024-05-07 02:53:50,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 02:53:50,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033121014] [2024-05-07 02:53:50,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:53:50,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:53:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:53:51,043 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 53 proven. 43 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 02:53:51,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 02:53:51,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033121014] [2024-05-07 02:53:51,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033121014] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 02:53:51,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375392813] [2024-05-07 02:53:51,044 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 02:53:51,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 02:53:51,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 02:53:51,047 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 02:53:51,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-07 02:53:51,157 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-05-07 02:53:51,157 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 02:53:51,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 16 conjunts are in the unsatisfiable core [2024-05-07 02:53:51,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 02:53:51,583 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 21 proven. 48 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-05-07 02:53:51,583 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 02:53:52,122 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 21 proven. 48 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-05-07 02:53:52,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375392813] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 02:53:52,122 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 02:53:52,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17, 17] total 49 [2024-05-07 02:53:52,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596999837] [2024-05-07 02:53:52,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 02:53:52,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-05-07 02:53:52,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 02:53:52,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-05-07 02:53:52,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=2193, Unknown=0, NotChecked=0, Total=2352 [2024-05-07 02:53:52,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:52,125 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 02:53:52,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 7.122448979591836) internal successors, (349), 49 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 02:53:52,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:52,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:53:52,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:53:52,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-07 02:53:52,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:53:52,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:53:52,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:56,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:56,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:53:56,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:53:56,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-07 02:53:56,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:53:56,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:53:56,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-05-07 02:53:56,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-07 02:53:56,566 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 [2024-05-07 02:53:56,567 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 02:53:56,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 02:53:56,567 INFO L85 PathProgramCache]: Analyzing trace with hash 340747784, now seen corresponding path program 4 times [2024-05-07 02:53:56,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 02:53:56,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792843779] [2024-05-07 02:53:56,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:53:56,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:53:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:53:57,007 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 170 proven. 65 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-07 02:53:57,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 02:53:57,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792843779] [2024-05-07 02:53:57,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792843779] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 02:53:57,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123026025] [2024-05-07 02:53:57,008 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-07 02:53:57,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 02:53:57,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 02:53:57,012 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 02:53:57,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-07 02:53:57,131 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-07 02:53:57,131 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 02:53:57,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 22 conjunts are in the unsatisfiable core [2024-05-07 02:53:57,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 02:53:57,666 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 120 proven. 68 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-05-07 02:53:57,666 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 02:53:58,299 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 136 proven. 52 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-05-07 02:53:58,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123026025] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 02:53:58,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 02:53:58,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 61 [2024-05-07 02:53:58,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742374408] [2024-05-07 02:53:58,300 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 02:53:58,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-05-07 02:53:58,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 02:53:58,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-05-07 02:53:58,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=463, Invalid=3197, Unknown=0, NotChecked=0, Total=3660 [2024-05-07 02:53:58,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:58,302 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 02:53:58,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 6.622950819672131) internal successors, (404), 61 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 02:53:58,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:58,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:53:58,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:53:58,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-07 02:53:58,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:53:58,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:53:58,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-05-07 02:53:58,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:59,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:53:59,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:53:59,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:53:59,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-07 02:53:59,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:53:59,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:53:59,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-05-07 02:53:59,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 02:53:59,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-07 02:53:59,205 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 [2024-05-07 02:53:59,205 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 02:53:59,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 02:53:59,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1524266434, now seen corresponding path program 5 times [2024-05-07 02:53:59,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 02:53:59,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806711390] [2024-05-07 02:53:59,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:53:59,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:53:59,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:53:59,773 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 158 proven. 117 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 02:53:59,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 02:53:59,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806711390] [2024-05-07 02:53:59,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806711390] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 02:53:59,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748130047] [2024-05-07 02:53:59,774 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-07 02:53:59,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 02:53:59,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 02:53:59,789 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 02:53:59,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-07 02:53:59,952 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-05-07 02:53:59,952 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 02:53:59,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 36 conjunts are in the unsatisfiable core [2024-05-07 02:53:59,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 02:54:00,998 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 165 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 02:54:00,999 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 02:54:02,223 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 191 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 02:54:02,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748130047] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 02:54:02,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 02:54:02,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 37, 37] total 95 [2024-05-07 02:54:02,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278738898] [2024-05-07 02:54:02,223 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 02:54:02,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2024-05-07 02:54:02,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 02:54:02,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2024-05-07 02:54:02,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1189, Invalid=7741, Unknown=0, NotChecked=0, Total=8930 [2024-05-07 02:54:02,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:54:02,227 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 02:54:02,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 5.71578947368421) internal successors, (543), 95 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 02:54:02,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:54:02,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:54:02,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:54:02,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-07 02:54:02,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:54:02,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:54:02,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-05-07 02:54:02,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 02:54:02,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:54:03,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:54:03,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:54:03,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:54:03,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-07 02:54:03,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:54:03,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:54:03,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-05-07 02:54:03,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 02:54:03,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-07 02:54:03,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-05-07 02:54:03,902 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 [2024-05-07 02:54:03,902 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 02:54:03,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 02:54:03,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1757156738, now seen corresponding path program 6 times [2024-05-07 02:54:03,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 02:54:03,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059035643] [2024-05-07 02:54:03,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:54:03,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:54:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:54:04,486 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 91 proven. 430 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-05-07 02:54:04,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 02:54:04,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059035643] [2024-05-07 02:54:04,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059035643] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 02:54:04,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192640608] [2024-05-07 02:54:04,487 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-07 02:54:04,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 02:54:04,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 02:54:04,488 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 02:54:04,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-07 02:54:04,781 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-05-07 02:54:04,782 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 02:54:04,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 32 conjunts are in the unsatisfiable core [2024-05-07 02:54:04,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 02:54:05,626 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 35 proven. 155 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2024-05-07 02:54:05,627 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 02:54:06,757 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 169 proven. 21 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2024-05-07 02:54:06,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1192640608] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 02:54:06,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 02:54:06,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 33, 29] total 84 [2024-05-07 02:54:06,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784510382] [2024-05-07 02:54:06,758 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 02:54:06,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-05-07 02:54:06,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 02:54:06,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-05-07 02:54:06,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=557, Invalid=6415, Unknown=0, NotChecked=0, Total=6972 [2024-05-07 02:54:06,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:54:06,761 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 02:54:06,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 5.5476190476190474) internal successors, (466), 84 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 02:54:06,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:54:06,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:54:06,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:54:06,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-07 02:54:06,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:54:06,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:54:06,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-05-07 02:54:06,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 02:54:06,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-07 02:54:06,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:54:14,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:54:14,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:54:14,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:54:14,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-07 02:54:14,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:54:14,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:54:14,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-05-07 02:54:14,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 02:54:14,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-07 02:54:14,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2024-05-07 02:54:14,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-07 02:54:15,105 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 [2024-05-07 02:54:15,105 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 02:54:15,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 02:54:15,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1665565680, now seen corresponding path program 7 times [2024-05-07 02:54:15,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 02:54:15,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500140631] [2024-05-07 02:54:15,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:54:15,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:54:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:54:16,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 461 proven. 692 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-07 02:54:16,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 02:54:16,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500140631] [2024-05-07 02:54:16,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500140631] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 02:54:16,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293038416] [2024-05-07 02:54:16,523 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-07 02:54:16,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 02:54:16,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 02:54:16,524 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 02:54:16,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-07 02:54:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:54:16,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 50 conjunts are in the unsatisfiable core [2024-05-07 02:54:16,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 02:54:18,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 566 proven. 476 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-05-07 02:54:18,530 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 02:54:20,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 591 proven. 451 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-05-07 02:54:20,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293038416] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 02:54:20,650 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 02:54:20,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51, 51] total 144 [2024-05-07 02:54:20,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744651010] [2024-05-07 02:54:20,651 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 02:54:20,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 144 states [2024-05-07 02:54:20,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 02:54:20,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2024-05-07 02:54:20,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2293, Invalid=18299, Unknown=0, NotChecked=0, Total=20592 [2024-05-07 02:54:20,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:54:20,659 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 02:54:20,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 144 states, 144 states have (on average 5.069444444444445) internal successors, (730), 144 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 02:54:20,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:54:20,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:54:20,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:54:20,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-07 02:54:20,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:54:20,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:54:20,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-05-07 02:54:20,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 02:54:20,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-07 02:54:20,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 216 states. [2024-05-07 02:54:20,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:54:22,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:54:22,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:54:22,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:54:22,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-07 02:54:22,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:54:22,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:54:22,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-05-07 02:54:22,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 02:54:22,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-07 02:54:22,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2024-05-07 02:54:22,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-05-07 02:54:22,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-07 02:54:22,463 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 [2024-05-07 02:54:22,464 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 02:54:22,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 02:54:22,464 INFO L85 PathProgramCache]: Analyzing trace with hash -372056666, now seen corresponding path program 8 times [2024-05-07 02:54:22,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 02:54:22,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807166727] [2024-05-07 02:54:22,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:54:22,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:54:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:54:23,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 380 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 02:54:23,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 02:54:23,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807166727] [2024-05-07 02:54:23,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807166727] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 02:54:23,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202185458] [2024-05-07 02:54:23,999 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 02:54:24,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 02:54:24,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 02:54:24,001 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 02:54:24,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-07 02:54:24,158 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 02:54:24,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 02:54:24,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 54 conjunts are in the unsatisfiable core [2024-05-07 02:54:24,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 02:54:26,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 572 proven. 596 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-05-07 02:54:26,374 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 02:54:28,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 628 proven. 540 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-05-07 02:54:28,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [202185458] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 02:54:28,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 02:54:28,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 55, 55] total 156 [2024-05-07 02:54:28,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172130752] [2024-05-07 02:54:28,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 02:54:28,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 156 states [2024-05-07 02:54:28,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 02:54:28,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 156 interpolants. [2024-05-07 02:54:28,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2108, Invalid=22072, Unknown=0, NotChecked=0, Total=24180 [2024-05-07 02:54:28,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:54:28,517 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 02:54:28,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 156 states, 156 states have (on average 5.448717948717949) internal successors, (850), 156 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 02:54:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:54:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:54:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:54:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-07 02:54:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:54:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:54:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-05-07 02:54:28,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 02:54:28,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-07 02:54:28,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 216 states. [2024-05-07 02:54:28,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-05-07 02:54:28,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:54:35,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:54:35,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:54:35,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:54:35,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-07 02:54:35,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:54:35,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:54:35,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-05-07 02:54:35,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 02:54:35,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-07 02:54:35,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2024-05-07 02:54:35,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 02:54:35,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-07 02:54:35,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-07 02:54:36,054 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 [2024-05-07 02:54:36,054 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 02:54:36,055 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 02:54:36,055 INFO L85 PathProgramCache]: Analyzing trace with hash 753337852, now seen corresponding path program 9 times [2024-05-07 02:54:36,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 02:54:36,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631840305] [2024-05-07 02:54:36,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:54:36,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:54:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:54:37,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1668 backedges. 710 proven. 950 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-07 02:54:37,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 02:54:37,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631840305] [2024-05-07 02:54:37,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631840305] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 02:54:37,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226067263] [2024-05-07 02:54:37,781 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 02:54:37,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 02:54:37,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 02:54:37,782 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 02:54:37,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-07 02:54:38,652 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-05-07 02:54:38,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 02:54:38,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 74 conjunts are in the unsatisfiable core [2024-05-07 02:54:38,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 02:54:42,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1668 backedges. 0 proven. 1031 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2024-05-07 02:54:42,293 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 02:54:47,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1668 backedges. 785 proven. 246 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2024-05-07 02:54:47,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226067263] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 02:54:47,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 02:54:47,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 75, 65] total 195 [2024-05-07 02:54:47,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976053425] [2024-05-07 02:54:47,160 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 02:54:47,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 195 states [2024-05-07 02:54:47,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 02:54:47,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 195 interpolants. [2024-05-07 02:54:47,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2220, Invalid=35610, Unknown=0, NotChecked=0, Total=37830 [2024-05-07 02:54:47,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:54:47,174 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 02:54:47,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 195 states, 195 states have (on average 4.343589743589743) internal successors, (847), 195 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 02:54:47,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:54:47,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:54:47,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:54:47,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-07 02:54:47,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:54:47,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:54:47,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-05-07 02:54:47,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 02:54:47,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-07 02:54:47,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2024-05-07 02:54:47,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 02:54:47,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-07 02:54:47,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:55:39,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:55:39,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:55:39,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:55:39,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-07 02:55:39,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:55:39,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:55:39,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2024-05-07 02:55:39,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 02:55:39,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-07 02:55:39,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2024-05-07 02:55:39,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 02:55:39,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-07 02:55:39,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 660 states. [2024-05-07 02:55:39,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-05-07 02:55:39,455 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 [2024-05-07 02:55:39,455 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 02:55:39,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 02:55:39,456 INFO L85 PathProgramCache]: Analyzing trace with hash 868158298, now seen corresponding path program 10 times [2024-05-07 02:55:39,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 02:55:39,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414812774] [2024-05-07 02:55:39,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:55:39,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:55:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:55:41,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2377 backedges. 1357 proven. 984 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-05-07 02:55:41,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 02:55:41,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414812774] [2024-05-07 02:55:41,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414812774] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 02:55:41,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381406351] [2024-05-07 02:55:41,839 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-07 02:55:41,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 02:55:41,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 02:55:41,840 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 02:55:41,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-07 02:55:42,025 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-07 02:55:42,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 02:55:42,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 62 conjunts are in the unsatisfiable core [2024-05-07 02:55:42,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 02:55:44,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2377 backedges. 1160 proven. 808 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2024-05-07 02:55:44,716 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 02:55:47,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2377 backedges. 1226 proven. 742 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2024-05-07 02:55:47,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381406351] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 02:55:47,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 02:55:47,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 181 [2024-05-07 02:55:47,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087748721] [2024-05-07 02:55:47,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 02:55:47,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2024-05-07 02:55:47,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 02:55:47,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2024-05-07 02:55:47,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3430, Invalid=29150, Unknown=0, NotChecked=0, Total=32580 [2024-05-07 02:55:47,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:55:47,473 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 02:55:47,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 5.066298342541437) internal successors, (917), 181 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 02:55:47,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:55:47,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:55:47,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:55:47,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-07 02:55:47,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:55:47,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:55:47,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2024-05-07 02:55:47,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 02:55:47,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-07 02:55:47,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2024-05-07 02:55:47,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 02:55:47,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-07 02:55:47,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 660 states. [2024-05-07 02:55:47,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:55:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:55:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:55:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:55:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-07 02:55:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:55:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:55:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2024-05-07 02:55:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 02:55:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-07 02:55:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2024-05-07 02:55:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 02:55:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-07 02:55:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 660 states. [2024-05-07 02:55:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-07 02:55:50,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-05-07 02:55:50,301 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 [2024-05-07 02:55:50,301 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 02:55:50,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 02:55:50,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1151653348, now seen corresponding path program 11 times [2024-05-07 02:55:50,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 02:55:50,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795496082] [2024-05-07 02:55:50,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:55:50,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:55:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:55:52,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2490 backedges. 1577 proven. 912 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 02:55:52,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 02:55:52,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795496082] [2024-05-07 02:55:52,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795496082] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 02:55:52,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626262636] [2024-05-07 02:55:52,744 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-07 02:55:52,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 02:55:52,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 02:55:52,772 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 02:55:52,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-07 02:55:53,468 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-05-07 02:55:53,469 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 02:55:53,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 66 conjunts are in the unsatisfiable core [2024-05-07 02:55:53,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 02:55:55,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2490 backedges. 1634 proven. 855 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 02:55:55,531 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 02:55:57,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2490 backedges. 1634 proven. 855 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 02:55:57,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626262636] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 02:55:57,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 02:55:57,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 67, 67] total 164 [2024-05-07 02:55:57,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152370456] [2024-05-07 02:55:57,329 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 02:55:57,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 164 states [2024-05-07 02:55:57,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 02:55:57,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2024-05-07 02:55:57,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3730, Invalid=23002, Unknown=0, NotChecked=0, Total=26732 [2024-05-07 02:55:57,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:55:57,332 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 02:55:57,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 164 states, 164 states have (on average 5.951219512195122) internal successors, (976), 164 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 02:55:57,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:55:57,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:55:57,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:55:57,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-07 02:55:57,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:55:57,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:55:57,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2024-05-07 02:55:57,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 02:55:57,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-07 02:55:57,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2024-05-07 02:55:57,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 02:55:57,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-07 02:55:57,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 660 states. [2024-05-07 02:55:57,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-07 02:55:57,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:55:59,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:55:59,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:55:59,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:55:59,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-07 02:55:59,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:55:59,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:55:59,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2024-05-07 02:55:59,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 02:55:59,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-07 02:55:59,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2024-05-07 02:55:59,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 02:55:59,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-07 02:55:59,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 660 states. [2024-05-07 02:55:59,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-07 02:55:59,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-07 02:55:59,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-05-07 02:55:59,504 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 [2024-05-07 02:55:59,505 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 02:55:59,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 02:55:59,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1929087378, now seen corresponding path program 12 times [2024-05-07 02:55:59,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 02:55:59,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927740122] [2024-05-07 02:55:59,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:55:59,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:55:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:56:02,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2611 backedges. 1101 proven. 1474 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-05-07 02:56:02,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 02:56:02,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927740122] [2024-05-07 02:56:02,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927740122] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 02:56:02,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829106441] [2024-05-07 02:56:02,314 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-07 02:56:02,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 02:56:02,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 02:56:02,315 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 02:56:02,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-05-07 02:56:04,680 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2024-05-07 02:56:04,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 02:56:04,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 72 conjunts are in the unsatisfiable core [2024-05-07 02:56:04,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 02:56:08,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2611 backedges. 1291 proven. 1320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 02:56:08,165 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 02:56:11,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2611 backedges. 1635 proven. 976 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 02:56:11,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829106441] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 02:56:11,927 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 02:56:11,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 73, 73] total 210 [2024-05-07 02:56:11,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654512154] [2024-05-07 02:56:11,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 02:56:11,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 210 states [2024-05-07 02:56:11,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 02:56:11,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 210 interpolants. [2024-05-07 02:56:11,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3567, Invalid=40323, Unknown=0, NotChecked=0, Total=43890 [2024-05-07 02:56:11,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:56:11,934 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 02:56:11,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 210 states, 210 states have (on average 5.79047619047619) internal successors, (1216), 210 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 02:56:11,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:56:11,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:56:11,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:56:11,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-07 02:56:11,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:56:11,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:56:11,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2024-05-07 02:56:11,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 02:56:11,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-07 02:56:11,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2024-05-07 02:56:11,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 02:56:11,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-07 02:56:11,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 660 states. [2024-05-07 02:56:11,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-07 02:56:11,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-07 02:56:11,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:56:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:56:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:56:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:56:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-07 02:56:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:56:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:56:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2024-05-07 02:56:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 02:56:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-07 02:56:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2024-05-07 02:56:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 02:56:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-07 02:56:14,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 660 states. [2024-05-07 02:56:14,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-07 02:56:14,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-07 02:56:14,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-05-07 02:56:14,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-05-07 02:56:14,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-05-07 02:56:14,841 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 02:56:14,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 02:56:14,842 INFO L85 PathProgramCache]: Analyzing trace with hash 156842370, now seen corresponding path program 13 times [2024-05-07 02:56:14,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 02:56:14,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950811176] [2024-05-07 02:56:14,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:56:14,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:56:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:56:17,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2877 backedges. 886 proven. 1983 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-07 02:56:17,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 02:56:17,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950811176] [2024-05-07 02:56:17,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950811176] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 02:56:17,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873996011] [2024-05-07 02:56:17,330 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-07 02:56:17,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 02:56:17,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 02:56:17,334 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 02:56:17,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-05-07 02:56:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:56:17,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 78 conjunts are in the unsatisfiable core [2024-05-07 02:56:17,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 02:56:21,561 INFO L134 CoverageAnalysis]: Checked inductivity of 2877 backedges. 1329 proven. 1328 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-05-07 02:56:21,561 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 02:56:25,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2877 backedges. 1415 proven. 1242 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-05-07 02:56:25,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873996011] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 02:56:25,740 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 02:56:25,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 79, 79] total 224 [2024-05-07 02:56:25,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919052487] [2024-05-07 02:56:25,741 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 02:56:25,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 224 states [2024-05-07 02:56:25,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 02:56:25,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 224 interpolants. [2024-05-07 02:56:25,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4286, Invalid=45666, Unknown=0, NotChecked=0, Total=49952 [2024-05-07 02:56:25,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:56:25,747 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 02:56:25,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 224 states, 224 states have (on average 5.125) internal successors, (1148), 224 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 02:56:25,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:56:25,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:56:25,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:56:25,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-07 02:56:25,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:56:25,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:56:25,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2024-05-07 02:56:25,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 02:56:25,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-07 02:56:25,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2024-05-07 02:56:25,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 02:56:25,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-07 02:56:25,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 660 states. [2024-05-07 02:56:25,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-07 02:56:25,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-07 02:56:25,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-05-07 02:56:25,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:56:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:56:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:56:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:56:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-07 02:56:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:56:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:56:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2024-05-07 02:56:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 02:56:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-07 02:56:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2024-05-07 02:56:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 02:56:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-07 02:56:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 660 states. [2024-05-07 02:56:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-07 02:56:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-07 02:56:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-05-07 02:56:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-05-07 02:56:35,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-05-07 02:56:36,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-05-07 02:56:36,016 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 02:56:36,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 02:56:36,016 INFO L85 PathProgramCache]: Analyzing trace with hash -997082199, now seen corresponding path program 14 times [2024-05-07 02:56:36,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 02:56:36,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020280410] [2024-05-07 02:56:36,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:56:36,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:56:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:56:39,518 INFO L134 CoverageAnalysis]: Checked inductivity of 3751 backedges. 1677 proven. 2038 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-05-07 02:56:39,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 02:56:39,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020280410] [2024-05-07 02:56:39,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020280410] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 02:56:39,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677179448] [2024-05-07 02:56:39,518 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 02:56:39,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 02:56:39,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 02:56:39,520 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 02:56:39,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-05-07 02:56:39,756 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 02:56:39,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 02:56:39,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 82 conjunts are in the unsatisfiable core [2024-05-07 02:56:39,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 02:56:43,008 INFO L134 CoverageAnalysis]: Checked inductivity of 3751 backedges. 1836 proven. 1432 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2024-05-07 02:56:43,008 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 02:56:47,838 INFO L134 CoverageAnalysis]: Checked inductivity of 3751 backedges. 1881 proven. 1387 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2024-05-07 02:56:47,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677179448] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 02:56:47,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 02:56:47,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83, 83, 83] total 240 [2024-05-07 02:56:47,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581230459] [2024-05-07 02:56:47,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 02:56:47,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 240 states [2024-05-07 02:56:47,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 02:56:47,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 240 interpolants. [2024-05-07 02:56:47,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6011, Invalid=51349, Unknown=0, NotChecked=0, Total=57360 [2024-05-07 02:56:47,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:56:47,845 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 02:56:47,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 240 states, 240 states have (on average 4.779166666666667) internal successors, (1147), 240 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 02:56:47,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:56:47,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:56:47,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:56:47,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-07 02:56:47,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:56:47,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:56:47,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2024-05-07 02:56:47,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 02:56:47,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-07 02:56:47,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2024-05-07 02:56:47,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 02:56:47,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-07 02:56:47,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 660 states. [2024-05-07 02:56:47,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-07 02:56:47,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-07 02:56:47,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-05-07 02:56:47,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2024-05-07 02:56:47,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:56:51,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:56:51,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:56:51,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:56:51,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-07 02:56:51,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:56:51,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:56:51,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2024-05-07 02:56:51,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 02:56:51,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-07 02:56:51,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2024-05-07 02:56:51,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 02:56:51,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-07 02:56:51,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 660 states. [2024-05-07 02:56:51,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-07 02:56:51,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-07 02:56:51,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-05-07 02:56:51,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-05-07 02:56:51,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-07 02:56:51,525 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-05-07 02:56:51,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-05-07 02:56:51,725 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 02:56:51,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 02:56:51,725 INFO L85 PathProgramCache]: Analyzing trace with hash 340532063, now seen corresponding path program 15 times [2024-05-07 02:56:51,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 02:56:51,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295539063] [2024-05-07 02:56:51,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:56:51,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:56:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:56:55,355 INFO L134 CoverageAnalysis]: Checked inductivity of 3904 backedges. 1279 proven. 2625 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 02:56:55,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 02:56:55,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295539063] [2024-05-07 02:56:55,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295539063] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 02:56:55,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872704222] [2024-05-07 02:56:55,356 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 02:56:55,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 02:56:55,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 02:56:55,357 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 02:56:55,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-05-07 02:57:00,073 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2024-05-07 02:57:00,073 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 02:57:00,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 80 conjunts are in the unsatisfiable core [2024-05-07 02:57:00,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 02:57:05,946 INFO L134 CoverageAnalysis]: Checked inductivity of 3904 backedges. 19 proven. 2345 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-05-07 02:57:05,946 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 02:57:14,751 INFO L134 CoverageAnalysis]: Checked inductivity of 3904 backedges. 19 proven. 2345 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-05-07 02:57:14,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872704222] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 02:57:14,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 02:57:14,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83, 81, 81] total 239 [2024-05-07 02:57:14,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777606344] [2024-05-07 02:57:14,751 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 02:57:14,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 239 states [2024-05-07 02:57:14,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 02:57:14,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 239 interpolants. [2024-05-07 02:57:14,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3633, Invalid=53249, Unknown=0, NotChecked=0, Total=56882 [2024-05-07 02:57:14,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:57:14,757 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 02:57:14,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 239 states, 239 states have (on average 4.845188284518828) internal successors, (1158), 239 states have internal predecessors, (1158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 02:57:14,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:57:14,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:57:14,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:57:14,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-07 02:57:14,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:57:14,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:57:14,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2024-05-07 02:57:14,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 02:57:14,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-07 02:57:14,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2024-05-07 02:57:14,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 02:57:14,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-07 02:57:14,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 660 states. [2024-05-07 02:57:14,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-07 02:57:14,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-07 02:57:14,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-05-07 02:57:14,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2024-05-07 02:57:14,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-07 02:57:14,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:58:45,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:58:45,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:58:45,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:58:45,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-07 02:58:45,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:58:45,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:58:45,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2024-05-07 02:58:45,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 02:58:45,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-07 02:58:45,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2024-05-07 02:58:45,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 02:58:45,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-07 02:58:45,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 660 states. [2024-05-07 02:58:45,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-07 02:58:45,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-07 02:58:45,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-05-07 02:58:45,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-05-07 02:58:45,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-07 02:58:45,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 546 states. [2024-05-07 02:58:45,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-05-07 02:58:45,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 02:58:45,222 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 02:58:45,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 02:58:45,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1297121951, now seen corresponding path program 16 times [2024-05-07 02:58:45,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 02:58:45,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129829999] [2024-05-07 02:58:45,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:58:45,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:58:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:59:17,201 INFO L134 CoverageAnalysis]: Checked inductivity of 12214 backedges. 9420 proven. 2793 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 02:59:17,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 02:59:17,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129829999] [2024-05-07 02:59:17,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129829999] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 02:59:17,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924891336] [2024-05-07 02:59:17,201 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-07 02:59:17,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 02:59:17,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 02:59:17,203 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 02:59:17,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-05-07 02:59:17,512 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-07 02:59:17,513 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 02:59:17,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 86 conjunts are in the unsatisfiable core [2024-05-07 02:59:17,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 02:59:25,865 INFO L134 CoverageAnalysis]: Checked inductivity of 12214 backedges. 4979 proven. 1636 refuted. 0 times theorem prover too weak. 5599 trivial. 0 not checked. [2024-05-07 02:59:25,865 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 02:59:35,737 INFO L134 CoverageAnalysis]: Checked inductivity of 12214 backedges. 5075 proven. 1540 refuted. 0 times theorem prover too weak. 5599 trivial. 0 not checked. [2024-05-07 02:59:35,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924891336] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 02:59:35,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 02:59:35,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [271, 87, 87] total 437 [2024-05-07 02:59:35,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103802723] [2024-05-07 02:59:35,738 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 02:59:35,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 437 states [2024-05-07 02:59:35,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 02:59:35,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 437 interpolants. [2024-05-07 02:59:35,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13742, Invalid=176790, Unknown=0, NotChecked=0, Total=190532 [2024-05-07 02:59:35,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:59:35,750 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 02:59:35,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 437 states, 437 states have (on average 3.505720823798627) internal successors, (1532), 437 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 02:59:35,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:59:35,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:59:35,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:59:35,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-07 02:59:35,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:59:35,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:59:35,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2024-05-07 02:59:35,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 02:59:35,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-07 02:59:35,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2024-05-07 02:59:35,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 02:59:35,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-07 02:59:35,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 660 states. [2024-05-07 02:59:35,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-07 02:59:35,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-07 02:59:35,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-05-07 02:59:35,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2024-05-07 02:59:35,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-07 02:59:35,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 546 states. [2024-05-07 02:59:35,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:59:39,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:59:39,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 02:59:39,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 02:59:39,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-07 02:59:39,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 02:59:39,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 02:59:39,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2024-05-07 02:59:39,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 02:59:39,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-07 02:59:39,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2024-05-07 02:59:39,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 02:59:39,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-07 02:59:39,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 660 states. [2024-05-07 02:59:39,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-07 02:59:39,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-07 02:59:39,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-05-07 02:59:39,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-05-07 02:59:39,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-07 02:59:39,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 546 states. [2024-05-07 02:59:39,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-07 02:59:39,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-05-07 02:59:40,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 02:59:40,140 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 02:59:40,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 02:59:40,140 INFO L85 PathProgramCache]: Analyzing trace with hash 186700629, now seen corresponding path program 17 times [2024-05-07 02:59:40,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 02:59:40,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330373776] [2024-05-07 02:59:40,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:59:40,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:59:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 03:00:13,441 INFO L134 CoverageAnalysis]: Checked inductivity of 12375 backedges. 9420 proven. 2954 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 03:00:13,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 03:00:13,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330373776] [2024-05-07 03:00:13,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330373776] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 03:00:13,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51377449] [2024-05-07 03:00:13,441 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-07 03:00:13,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 03:00:13,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 03:00:13,442 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 03:00:13,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-05-07 03:00:20,824 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 40 check-sat command(s) [2024-05-07 03:00:20,824 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 03:00:20,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 1350 conjuncts, 90 conjunts are in the unsatisfiable core [2024-05-07 03:00:20,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 03:00:29,616 INFO L134 CoverageAnalysis]: Checked inductivity of 12375 backedges. 8586 proven. 1701 refuted. 0 times theorem prover too weak. 2088 trivial. 0 not checked. [2024-05-07 03:00:29,616 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 03:00:39,440 INFO L134 CoverageAnalysis]: Checked inductivity of 12375 backedges. 8586 proven. 1701 refuted. 0 times theorem prover too weak. 2088 trivial. 0 not checked. [2024-05-07 03:00:39,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51377449] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 03:00:39,440 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 03:00:39,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [273, 91, 91] total 447 [2024-05-07 03:00:39,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126012907] [2024-05-07 03:00:39,441 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 03:00:39,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 447 states [2024-05-07 03:00:39,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 03:00:39,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 447 interpolants. [2024-05-07 03:00:39,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14664, Invalid=184698, Unknown=0, NotChecked=0, Total=199362 [2024-05-07 03:00:39,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 03:00:39,463 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 03:00:39,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 447 states, 447 states have (on average 4.212527964205816) internal successors, (1883), 447 states have internal predecessors, (1883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 03:00:39,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 03:00:39,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 03:00:39,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 03:00:39,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-07 03:00:39,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 03:00:39,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 03:00:39,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2024-05-07 03:00:39,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 03:00:39,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-07 03:00:39,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2024-05-07 03:00:39,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 03:00:39,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-07 03:00:39,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 660 states. [2024-05-07 03:00:39,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-07 03:00:39,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-07 03:00:39,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-05-07 03:00:39,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2024-05-07 03:00:39,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-07 03:00:39,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 546 states. [2024-05-07 03:00:39,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-07 03:00:39,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 03:00:44,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 03:00:44,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 03:00:44,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 03:00:44,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-07 03:00:44,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 03:00:44,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 03:00:44,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2024-05-07 03:00:44,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 03:00:44,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-07 03:00:44,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2024-05-07 03:00:44,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 03:00:44,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-07 03:00:44,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 660 states. [2024-05-07 03:00:44,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-07 03:00:44,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-07 03:00:44,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-05-07 03:00:44,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-05-07 03:00:44,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-07 03:00:44,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 546 states. [2024-05-07 03:00:44,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-07 03:00:44,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-07 03:00:44,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-05-07 03:00:44,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-05-07 03:00:44,540 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 03:00:44,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 03:00:44,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1001910773, now seen corresponding path program 18 times [2024-05-07 03:00:44,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 03:00:44,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543294038] [2024-05-07 03:00:44,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 03:00:44,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 03:00:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 03:01:21,945 INFO L134 CoverageAnalysis]: Checked inductivity of 12544 backedges. 9420 proven. 3123 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 03:01:21,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 03:01:21,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543294038] [2024-05-07 03:01:21,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543294038] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 03:01:21,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583732118] [2024-05-07 03:01:21,946 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-07 03:01:21,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 03:01:21,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 03:01:21,947 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 03:01:21,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-05-07 03:02:27,012 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 40 check-sat command(s) [2024-05-07 03:02:27,013 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 03:02:27,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 1364 conjuncts, 94 conjunts are in the unsatisfiable core [2024-05-07 03:02:27,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 03:02:35,577 INFO L134 CoverageAnalysis]: Checked inductivity of 12544 backedges. 5371 proven. 1976 refuted. 0 times theorem prover too weak. 5197 trivial. 0 not checked. [2024-05-07 03:02:35,577 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 03:02:47,549 INFO L134 CoverageAnalysis]: Checked inductivity of 12544 backedges. 5477 proven. 1870 refuted. 0 times theorem prover too weak. 5197 trivial. 0 not checked. [2024-05-07 03:02:47,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583732118] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 03:02:47,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 03:02:47,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [275, 95, 95] total 457 [2024-05-07 03:02:47,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403619865] [2024-05-07 03:02:47,549 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 03:02:47,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 457 states [2024-05-07 03:02:47,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 03:02:47,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 457 interpolants. [2024-05-07 03:02:47,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14870, Invalid=193522, Unknown=0, NotChecked=0, Total=208392 [2024-05-07 03:02:47,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 03:02:47,565 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 03:02:47,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 457 states, 457 states have (on average 3.5229759299781183) internal successors, (1610), 457 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 03:02:47,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 03:02:47,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 03:02:47,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 03:02:47,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-07 03:02:47,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 03:02:47,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 03:02:47,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2024-05-07 03:02:47,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 03:02:47,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-07 03:02:47,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2024-05-07 03:02:47,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 03:02:47,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-07 03:02:47,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 660 states. [2024-05-07 03:02:47,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-07 03:02:47,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-07 03:02:47,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-05-07 03:02:47,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2024-05-07 03:02:47,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-07 03:02:47,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 546 states. [2024-05-07 03:02:47,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-07 03:02:47,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-07 03:02:47,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 03:02:53,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 03:02:53,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 03:02:53,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 03:02:53,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-07 03:02:53,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 03:02:53,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 03:02:53,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2024-05-07 03:02:53,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 03:02:53,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-07 03:02:53,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2024-05-07 03:02:53,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 03:02:53,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-07 03:02:53,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 660 states. [2024-05-07 03:02:53,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-07 03:02:53,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-07 03:02:53,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-05-07 03:02:53,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-05-07 03:02:53,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-07 03:02:53,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 546 states. [2024-05-07 03:02:53,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-07 03:02:53,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-07 03:02:53,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-07 03:02:53,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-05-07 03:02:53,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 03:02:53,372 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 03:02:53,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 03:02:53,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1346122433, now seen corresponding path program 19 times [2024-05-07 03:02:53,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 03:02:53,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940128244] [2024-05-07 03:02:53,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 03:02:53,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 03:02:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 03:03:27,324 INFO L134 CoverageAnalysis]: Checked inductivity of 12721 backedges. 9420 proven. 3300 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 03:03:27,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 03:03:27,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940128244] [2024-05-07 03:03:27,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940128244] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 03:03:27,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833264382] [2024-05-07 03:03:27,324 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-07 03:03:27,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 03:03:27,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 03:03:27,326 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 03:03:27,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-05-07 03:03:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 03:03:27,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 1378 conjuncts, 98 conjunts are in the unsatisfiable core [2024-05-07 03:03:27,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 03:03:37,994 INFO L134 CoverageAnalysis]: Checked inductivity of 12721 backedges. 5555 proven. 2102 refuted. 0 times theorem prover too weak. 5064 trivial. 0 not checked. [2024-05-07 03:03:37,994 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 03:03:48,861 INFO L134 CoverageAnalysis]: Checked inductivity of 12721 backedges. 5610 proven. 2047 refuted. 0 times theorem prover too weak. 5064 trivial. 0 not checked. [2024-05-07 03:03:48,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833264382] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 03:03:48,861 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 03:03:48,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [277, 99, 99] total 467 [2024-05-07 03:03:48,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916575499] [2024-05-07 03:03:48,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 03:03:48,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 467 states [2024-05-07 03:03:48,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 03:03:48,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 467 interpolants. [2024-05-07 03:03:48,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15522, Invalid=202100, Unknown=0, NotChecked=0, Total=217622 [2024-05-07 03:03:48,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 03:03:48,885 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 03:03:48,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 467 states, 467 states have (on average 3.5203426124197) internal successors, (1644), 467 states have internal predecessors, (1644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 03:03:48,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 03:03:48,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 03:03:48,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 03:03:48,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-07 03:03:48,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 03:03:48,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 03:03:48,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2024-05-07 03:03:48,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 03:03:48,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-07 03:03:48,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2024-05-07 03:03:48,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 03:03:48,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-07 03:03:48,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 660 states. [2024-05-07 03:03:48,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-07 03:03:48,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-07 03:03:48,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-05-07 03:03:48,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2024-05-07 03:03:48,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-07 03:03:48,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 546 states. [2024-05-07 03:03:48,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-07 03:03:48,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-07 03:03:48,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-07 03:03:48,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 03:03:54,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 03:03:54,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 03:03:54,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 03:03:54,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-07 03:03:54,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 03:03:54,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 03:03:54,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2024-05-07 03:03:54,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 03:03:54,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-07 03:03:54,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2024-05-07 03:03:54,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 03:03:54,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-07 03:03:54,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 660 states. [2024-05-07 03:03:54,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-07 03:03:54,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-07 03:03:54,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-05-07 03:03:54,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-05-07 03:03:54,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-07 03:03:54,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 546 states. [2024-05-07 03:03:54,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-07 03:03:54,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-07 03:03:54,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-07 03:03:54,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-05-07 03:03:54,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-05-07 03:03:54,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-05-07 03:03:54,253 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 03:03:54,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 03:03:54,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1334623881, now seen corresponding path program 20 times [2024-05-07 03:03:54,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 03:03:54,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902481794] [2024-05-07 03:03:54,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 03:03:54,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 03:03:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 03:04:33,777 INFO L134 CoverageAnalysis]: Checked inductivity of 12906 backedges. 9420 proven. 3485 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 03:04:33,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 03:04:33,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902481794] [2024-05-07 03:04:33,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902481794] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 03:04:33,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766205593] [2024-05-07 03:04:33,777 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 03:04:33,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 03:04:33,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 03:04:33,778 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 03:04:33,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-05-07 03:04:34,125 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 03:04:34,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 03:04:34,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 1392 conjuncts, 102 conjunts are in the unsatisfiable core [2024-05-07 03:04:34,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 03:04:48,177 INFO L134 CoverageAnalysis]: Checked inductivity of 12906 backedges. 5748 proven. 2348 refuted. 0 times theorem prover too weak. 4810 trivial. 0 not checked. [2024-05-07 03:04:48,177 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 03:05:00,515 INFO L134 CoverageAnalysis]: Checked inductivity of 12906 backedges. 5864 proven. 2232 refuted. 0 times theorem prover too weak. 4810 trivial. 0 not checked. [2024-05-07 03:05:00,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766205593] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 03:05:00,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 03:05:00,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [279, 103, 103] total 477 [2024-05-07 03:05:00,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098799586] [2024-05-07 03:05:00,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 03:05:00,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 477 states [2024-05-07 03:05:00,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 03:05:00,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 477 interpolants. [2024-05-07 03:05:00,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16096, Invalid=210956, Unknown=0, NotChecked=0, Total=227052 [2024-05-07 03:05:00,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 03:05:00,541 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 03:05:00,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 477 states, 477 states have (on average 3.538784067085954) internal successors, (1688), 477 states have internal predecessors, (1688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 03:05:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 03:05:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 03:05:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 03:05:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-07 03:05:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 03:05:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 03:05:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2024-05-07 03:05:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 03:05:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-07 03:05:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2024-05-07 03:05:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 03:05:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-07 03:05:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 660 states. [2024-05-07 03:05:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-07 03:05:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-07 03:05:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-05-07 03:05:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2024-05-07 03:05:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-07 03:05:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 546 states. [2024-05-07 03:05:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-07 03:05:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-07 03:05:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-07 03:05:00,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-05-07 03:05:00,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 03:05:06,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 03:05:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 03:05:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 03:05:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-07 03:05:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 03:05:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 03:05:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2024-05-07 03:05:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 03:05:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-07 03:05:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2024-05-07 03:05:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 03:05:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-07 03:05:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 660 states. [2024-05-07 03:05:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-07 03:05:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-07 03:05:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-05-07 03:05:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-05-07 03:05:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-07 03:05:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 546 states. [2024-05-07 03:05:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-07 03:05:06,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-07 03:05:06,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-07 03:05:06,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-05-07 03:05:06,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-05-07 03:05:06,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-05-07 03:05:06,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-05-07 03:05:06,384 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 03:05:06,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 03:05:06,384 INFO L85 PathProgramCache]: Analyzing trace with hash 274938413, now seen corresponding path program 21 times [2024-05-07 03:05:06,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 03:05:06,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324445549] [2024-05-07 03:05:06,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 03:05:06,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 03:05:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 03:05:47,575 INFO L134 CoverageAnalysis]: Checked inductivity of 13099 backedges. 9420 proven. 3678 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 03:05:47,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 03:05:47,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324445549] [2024-05-07 03:05:47,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324445549] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 03:05:47,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795359042] [2024-05-07 03:05:47,575 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 03:05:47,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 03:05:47,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 03:05:47,576 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 03:05:47,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-05-07 03:06:41,690 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 40 check-sat command(s) [2024-05-07 03:06:41,690 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 03:06:41,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 1406 conjuncts, 131 conjunts are in the unsatisfiable core [2024-05-07 03:06:41,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 03:06:55,502 INFO L134 CoverageAnalysis]: Checked inductivity of 13099 backedges. 10638 proven. 2425 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-05-07 03:06:55,502 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 03:07:11,059 INFO L134 CoverageAnalysis]: Checked inductivity of 13099 backedges. 10638 proven. 2425 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-05-07 03:07:11,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795359042] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 03:07:11,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 03:07:11,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [281, 130, 130] total 534 [2024-05-07 03:07:11,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073910511] [2024-05-07 03:07:11,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 03:07:11,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 534 states [2024-05-07 03:07:11,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 03:07:11,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 534 interpolants. [2024-05-07 03:07:11,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21923, Invalid=262699, Unknown=0, NotChecked=0, Total=284622 [2024-05-07 03:07:11,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 03:07:11,086 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 03:07:11,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 534 states, 534 states have (on average 4.578651685393258) internal successors, (2445), 534 states have internal predecessors, (2445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 03:07:11,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 03:07:11,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 03:07:11,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 03:07:11,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-07 03:07:11,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-07 03:07:11,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 03:07:11,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2024-05-07 03:07:11,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 03:07:11,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-07 03:07:11,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2024-05-07 03:07:11,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 03:07:11,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-07 03:07:11,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 660 states. [2024-05-07 03:07:11,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-07 03:07:11,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-07 03:07:11,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-05-07 03:07:11,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2024-05-07 03:07:11,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-07 03:07:11,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 546 states. [2024-05-07 03:07:11,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-07 03:07:11,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-07 03:07:11,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-07 03:07:11,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-05-07 03:07:11,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-05-07 03:07:11,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 03:07:20,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 03:07:20,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 03:07:20,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 03:07:20,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-07 03:07:20,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-07 03:07:20,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 03:07:20,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2024-05-07 03:07:20,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 03:07:20,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-07 03:07:20,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2024-05-07 03:07:20,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 03:07:20,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-07 03:07:20,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 660 states. [2024-05-07 03:07:20,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-07 03:07:20,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-07 03:07:20,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-05-07 03:07:20,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-05-07 03:07:20,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-07 03:07:20,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 546 states. [2024-05-07 03:07:20,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-07 03:07:20,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-07 03:07:20,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-07 03:07:20,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-05-07 03:07:20,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-05-07 03:07:20,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-05-07 03:07:20,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-05-07 03:07:20,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 03:07:20,773 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 03:07:20,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 03:07:20,774 INFO L85 PathProgramCache]: Analyzing trace with hash -449626625, now seen corresponding path program 22 times [2024-05-07 03:07:20,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 03:07:20,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138744199] [2024-05-07 03:07:20,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 03:07:20,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 03:07:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 03:07:34,462 INFO L134 CoverageAnalysis]: Checked inductivity of 15750 backedges. 10358 proven. 5356 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-05-07 03:07:34,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 03:07:34,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138744199] [2024-05-07 03:07:34,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138744199] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 03:07:34,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630969828] [2024-05-07 03:07:34,463 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-07 03:07:34,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 03:07:34,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 03:07:34,464 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 03:07:34,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-05-07 03:07:34,801 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-07 03:07:34,802 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 03:07:34,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 1446 conjuncts, 150 conjunts are in the unsatisfiable core [2024-05-07 03:07:34,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 03:07:44,824 INFO L134 CoverageAnalysis]: Checked inductivity of 15750 backedges. 7695 proven. 5252 refuted. 0 times theorem prover too weak. 2803 trivial. 0 not checked. [2024-05-07 03:07:44,825 INFO L327 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2024-05-07 03:07:52,767 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-05-07 03:07:52,794 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-05-07 03:07:52,794 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-07 03:07:52,794 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-07 03:07:52,794 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-07 03:07:52,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-05-07 03:07:52,968 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 967 with TraceHistMax 39,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 401 known predicates. [2024-05-07 03:07:52,969 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-07 03:07:52,969 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-07 03:07:52,969 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-05-07 03:07:52,972 INFO L448 BasicCegarLoop]: Path program histogram: [22, 2, 1, 1] [2024-05-07 03:07:52,975 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-07 03:07:52,976 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-07 03:07:52,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 03:07:52 BasicIcfg [2024-05-07 03:07:52,978 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-07 03:07:52,978 INFO L158 Benchmark]: Toolchain (without parser) took 851971.61ms. Allocated memory was 151.0MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 87.5MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2024-05-07 03:07:52,978 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 151.0MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-07 03:07:52,978 INFO L158 Benchmark]: CACSL2BoogieTranslator took 193.03ms. Allocated memory is still 151.0MB. Free memory was 87.3MB in the beginning and 75.4MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-05-07 03:07:52,978 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.24ms. Allocated memory is still 151.0MB. Free memory was 75.4MB in the beginning and 73.6MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-07 03:07:52,979 INFO L158 Benchmark]: Boogie Preprocessor took 22.47ms. Allocated memory is still 151.0MB. Free memory was 73.5MB in the beginning and 71.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-07 03:07:52,979 INFO L158 Benchmark]: RCFGBuilder took 523.20ms. Allocated memory is still 151.0MB. Free memory was 71.9MB in the beginning and 108.7MB in the end (delta: -36.8MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. [2024-05-07 03:07:52,979 INFO L158 Benchmark]: TraceAbstraction took 851195.39ms. Allocated memory was 151.0MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 107.6MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2024-05-07 03:07:52,980 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 151.0MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 193.03ms. Allocated memory is still 151.0MB. Free memory was 87.3MB in the beginning and 75.4MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.24ms. Allocated memory is still 151.0MB. Free memory was 75.4MB in the beginning and 73.6MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.47ms. Allocated memory is still 151.0MB. Free memory was 73.5MB in the beginning and 71.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 523.20ms. Allocated memory is still 151.0MB. Free memory was 71.9MB in the beginning and 108.7MB in the end (delta: -36.8MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. * TraceAbstraction took 851195.39ms. Allocated memory was 151.0MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 107.6MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 292458, independent: 275630, independent conditional: 264966, independent unconditional: 10664, dependent: 16828, dependent conditional: 16828, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 275630, independent: 275630, independent conditional: 264966, independent unconditional: 10664, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 275630, independent: 275630, independent conditional: 264966, independent unconditional: 10664, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 275630, independent: 275630, independent conditional: 264966, independent unconditional: 10664, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 275630, independent: 275630, independent conditional: 110137, independent unconditional: 165493, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 275630, independent: 275630, independent conditional: 82609, independent unconditional: 193021, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 275630, independent: 275630, independent conditional: 82609, independent unconditional: 193021, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 820, independent: 820, independent conditional: 24, independent unconditional: 796, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 820, independent: 820, independent conditional: 0, independent unconditional: 820, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 275630, independent: 274810, independent conditional: 82585, independent unconditional: 192225, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 820, unknown conditional: 24, unknown unconditional: 796] , Statistics on independence cache: Total cache size (in pairs): 820, Positive cache size: 820, Positive conditional cache size: 24, Positive unconditional cache size: 796, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 27528, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 275630, independent: 275630, independent conditional: 110137, independent unconditional: 165493, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 275630, independent: 275630, independent conditional: 82609, independent unconditional: 193021, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 275630, independent: 275630, independent conditional: 82609, independent unconditional: 193021, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 820, independent: 820, independent conditional: 24, independent unconditional: 796, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 820, independent: 820, independent conditional: 0, independent unconditional: 820, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 275630, independent: 274810, independent conditional: 82585, independent unconditional: 192225, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 820, unknown conditional: 24, unknown unconditional: 796] , Statistics on independence cache: Total cache size (in pairs): 820, Positive cache size: 820, Positive conditional cache size: 24, Positive unconditional cache size: 796, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 27528 ], Independence queries for same thread: 16828 - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 967 with TraceHistMax 39,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 401 known predicates. - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 967 with TraceHistMax 39,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 401 known predicates. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 967 with TraceHistMax 39,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 401 known predicates. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 967 with TraceHistMax 39,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 401 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 179 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 851.0s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 22, EmptinessCheckTime: 224.9s, 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: 3201, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 136.9s SatisfiabilityAnalysisTime, 448.3s InterpolantComputationTime, 21542 NumberOfCodeBlocks, 21461 NumberOfCodeBlocksAsserted, 252 NumberOfCheckSat, 32117 ConstructedInterpolants, 0 QuantifiedInterpolants, 185194 SizeOfPredicates, 1372 NumberOfNonLiveVariables, 17982 ConjunctsInSsa, 1373 ConjunctsInUnsatCore, 71 InterpolantComputations, 2 PerfectInterpolantSequences, 221767/298018 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 0.6s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown