/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 2 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum-alt2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 10:07:42,651 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 10:07:42,716 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 10:07:42,720 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 10:07:42,720 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 10:07:42,744 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 10:07:42,744 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 10:07:42,745 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 10:07:42,745 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 10:07:42,748 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 10:07:42,749 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 10:07:42,749 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 10:07:42,749 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 10:07:42,750 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 10:07:42,750 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 10:07:42,751 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 10:07:42,751 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 10:07:42,751 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 10:07:42,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 10:07:42,751 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 10:07:42,752 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 10:07:42,752 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 10:07:42,752 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 10:07:42,752 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 10:07:42,752 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 10:07:42,753 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 10:07:42,753 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 10:07:42,753 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 10:07:42,753 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 10:07:42,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 10:07:42,754 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 10:07:42,754 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 10:07:42,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 10:07:42,755 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 10:07:42,755 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 10:07:42,755 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 10:07:42,755 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 10:07:42,755 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 10:07:42,755 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 10:07:42,755 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 2 [2024-04-04 10:07:43,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 10:07:43,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 10:07:43,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 10:07:43,037 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 10:07:43,038 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 10:07:43,038 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum-alt2.wvr.c [2024-04-04 10:07:44,015 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 10:07:44,185 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 10:07:44,185 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt2.wvr.c [2024-04-04 10:07:44,191 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7e9e48dc8/ac0bee384f36486faccf637b78ac2abb/FLAG2bd437a6d [2024-04-04 10:07:44,201 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7e9e48dc8/ac0bee384f36486faccf637b78ac2abb [2024-04-04 10:07:44,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 10:07:44,203 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 10:07:44,204 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 10:07:44,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 10:07:44,208 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 10:07:44,208 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 10:07:44" (1/1) ... [2024-04-04 10:07:44,209 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5598b270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:07:44, skipping insertion in model container [2024-04-04 10:07:44,209 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 10:07:44" (1/1) ... [2024-04-04 10:07:44,227 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 10:07:44,350 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-array-sum-alt2.wvr.c[2525,2538] [2024-04-04 10:07:44,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 10:07:44,375 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 10:07:44,395 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-array-sum-alt2.wvr.c[2525,2538] [2024-04-04 10:07:44,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 10:07:44,403 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 10:07:44,404 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 10:07:44,411 INFO L206 MainTranslator]: Completed translation [2024-04-04 10:07:44,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:07:44 WrapperNode [2024-04-04 10:07:44,412 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 10:07:44,413 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 10:07:44,413 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 10:07:44,413 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 10:07:44,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:07:44" (1/1) ... [2024-04-04 10:07:44,432 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:07:44" (1/1) ... [2024-04-04 10:07:44,451 INFO L138 Inliner]: procedures = 25, calls = 45, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 197 [2024-04-04 10:07:44,451 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 10:07:44,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 10:07:44,452 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 10:07:44,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 10:07:44,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:07:44" (1/1) ... [2024-04-04 10:07:44,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:07:44" (1/1) ... [2024-04-04 10:07:44,462 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:07:44" (1/1) ... [2024-04-04 10:07:44,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:07:44" (1/1) ... [2024-04-04 10:07:44,466 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:07:44" (1/1) ... [2024-04-04 10:07:44,470 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:07:44" (1/1) ... [2024-04-04 10:07:44,471 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:07:44" (1/1) ... [2024-04-04 10:07:44,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:07:44" (1/1) ... [2024-04-04 10:07:44,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 10:07:44,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 10:07:44,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 10:07:44,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 10:07:44,475 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:07:44" (1/1) ... [2024-04-04 10:07:44,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 10:07:44,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 10:07:44,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-04 10:07:44,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-04 10:07:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 10:07:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 10:07:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 10:07:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 10:07:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-04 10:07:44,745 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-04 10:07:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-04 10:07:44,745 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-04 10:07:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-04 10:07:44,745 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-04 10:07:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 10:07:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-04 10:07:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-04 10:07:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-04 10:07:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 10:07:44,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 10:07:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 10:07:44,748 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 10:07:44,855 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 10:07:44,857 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 10:07:45,123 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 10:07:45,286 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 10:07:45,286 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-04-04 10:07:45,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 10:07:45 BoogieIcfgContainer [2024-04-04 10:07:45,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 10:07:45,290 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 10:07:45,290 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 10:07:45,292 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 10:07:45,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 10:07:44" (1/3) ... [2024-04-04 10:07:45,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@164b2169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 10:07:45, skipping insertion in model container [2024-04-04 10:07:45,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:07:44" (2/3) ... [2024-04-04 10:07:45,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@164b2169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 10:07:45, skipping insertion in model container [2024-04-04 10:07:45,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 10:07:45" (3/3) ... [2024-04-04 10:07:45,296 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt2.wvr.c [2024-04-04 10:07:45,302 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 10:07:45,309 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 10:07:45,309 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 10:07:45,310 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 10:07:45,376 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-04 10:07:45,415 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 10:07:45,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 10:07:45,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 10:07:45,420 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 10:07:45,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-04 10:07:45,461 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 10:07:45,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 10:07:45,500 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 10:07:45,505 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;@3fd91314, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=2, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-04 10:07:45,505 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-04 10:07:45,967 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 10:07:45,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 10:07:45,971 INFO L85 PathProgramCache]: Analyzing trace with hash 661166984, now seen corresponding path program 1 times [2024-04-04 10:07:45,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 10:07:45,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979394290] [2024-04-04 10:07:45,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 10:07:45,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 10:07:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:07:46,196 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-04-04 10:07:46,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 10:07:46,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979394290] [2024-04-04 10:07:46,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979394290] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 10:07:46,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 10:07:46,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 10:07:46,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926668980] [2024-04-04 10:07:46,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 10:07:46,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 10:07:46,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 10:07:46,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 10:07:46,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 10:07:46,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:07:46,226 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 10:07:46,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 10:07:46,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:07:46,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:07:46,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 10:07:46,357 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 10:07:46,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 10:07:46,359 INFO L85 PathProgramCache]: Analyzing trace with hash 834531780, now seen corresponding path program 1 times [2024-04-04 10:07:46,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 10:07:46,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760148109] [2024-04-04 10:07:46,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 10:07:46,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 10:07:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:07:46,704 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-04-04 10:07:46,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 10:07:46,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760148109] [2024-04-04 10:07:46,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760148109] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 10:07:46,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 10:07:46,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-04 10:07:46,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332923228] [2024-04-04 10:07:46,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 10:07:46,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-04 10:07:46,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 10:07:46,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-04 10:07:46,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-04-04 10:07:46,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:07:46,707 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 10:07:46,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 7 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) [2024-04-04 10:07:46,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:07:46,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:07:46,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:07:46,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:07:46,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 10:07:46,908 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 10:07:46,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 10:07:46,909 INFO L85 PathProgramCache]: Analyzing trace with hash 542111228, now seen corresponding path program 1 times [2024-04-04 10:07:46,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 10:07:46,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840872980] [2024-04-04 10:07:46,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 10:07:46,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 10:07:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:07:47,293 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-04 10:07:47,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 10:07:47,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840872980] [2024-04-04 10:07:47,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840872980] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 10:07:47,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699985310] [2024-04-04 10:07:47,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 10:07:47,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:07:47,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 10:07:47,358 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 10:07:47,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-04 10:07:47,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:07:47,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-04 10:07:47,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 10:07:47,742 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-04 10:07:47,742 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 10:07:47,979 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-04 10:07:47,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699985310] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 10:07:47,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 10:07:47,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 25 [2024-04-04 10:07:47,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928185929] [2024-04-04 10:07:47,980 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 10:07:47,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-04-04 10:07:47,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 10:07:47,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-04-04 10:07:47,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=484, Unknown=0, NotChecked=0, Total=600 [2024-04-04 10:07:47,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:07:47,982 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 10:07:47,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.64) internal successors, (216), 25 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 10:07:47,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:07:47,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:07:47,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:07:48,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:07:48,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:07:48,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:07:48,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-04 10:07:48,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-04-04 10:07:48,560 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 10:07:48,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 10:07:48,561 INFO L85 PathProgramCache]: Analyzing trace with hash -577355212, now seen corresponding path program 2 times [2024-04-04 10:07:48,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 10:07:48,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544596745] [2024-04-04 10:07:48,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 10:07:48,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 10:07:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:07:48,763 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-04-04 10:07:48,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 10:07:48,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544596745] [2024-04-04 10:07:48,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544596745] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 10:07:48,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503553813] [2024-04-04 10:07:48,769 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 10:07:48,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:07:48,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 10:07:48,785 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 10:07:48,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 10:07:48,904 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 10:07:48,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 10:07:48,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 10:07:48,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 10:07:49,060 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-04-04 10:07:49,061 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 10:07:49,183 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-04-04 10:07:49,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503553813] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 10:07:49,183 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 10:07:49,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 21 [2024-04-04 10:07:49,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463047945] [2024-04-04 10:07:49,184 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 10:07:49,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-04-04 10:07:49,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 10:07:49,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-04-04 10:07:49,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=346, Unknown=0, NotChecked=0, Total=420 [2024-04-04 10:07:49,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:07:49,186 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 10:07:49,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.80952380952381) internal successors, (185), 21 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 10:07:49,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:07:49,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:07:49,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:07:49,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:07:49,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:07:49,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:07:49,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:07:49,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:07:49,895 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-04 10:07:50,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:07:50,088 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 10:07:50,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 10:07:50,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1698109343, now seen corresponding path program 3 times [2024-04-04 10:07:50,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 10:07:50,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361292159] [2024-04-04 10:07:50,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 10:07:50,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 10:07:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:07:50,351 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 10:07:50,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 10:07:50,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361292159] [2024-04-04 10:07:50,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361292159] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 10:07:50,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937688110] [2024-04-04 10:07:50,352 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 10:07:50,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:07:50,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 10:07:50,369 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 10:07:50,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-04 10:07:50,631 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-04 10:07:50,632 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 10:07:50,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-04 10:07:50,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 10:07:50,991 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 10:07:50,991 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 10:07:51,381 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 15 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 10:07:51,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937688110] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 10:07:51,382 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 10:07:51,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 42 [2024-04-04 10:07:51,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370563054] [2024-04-04 10:07:51,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 10:07:51,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-04-04 10:07:51,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 10:07:51,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-04-04 10:07:51,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=1568, Unknown=0, NotChecked=0, Total=1722 [2024-04-04 10:07:51,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:07:51,387 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 10:07:51,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 7.523809523809524) internal successors, (316), 42 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 10:07:51,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:07:51,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:07:51,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:07:51,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:07:51,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:07:54,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:07:54,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:07:54,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:07:54,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:07:54,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-04 10:07:54,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-04 10:07:54,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:07:54,678 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 10:07:54,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 10:07:54,678 INFO L85 PathProgramCache]: Analyzing trace with hash -2048086887, now seen corresponding path program 4 times [2024-04-04 10:07:54,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 10:07:54,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718625782] [2024-04-04 10:07:54,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 10:07:54,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 10:07:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:07:55,111 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 106 proven. 36 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-04 10:07:55,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 10:07:55,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718625782] [2024-04-04 10:07:55,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718625782] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 10:07:55,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270984835] [2024-04-04 10:07:55,112 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 10:07:55,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:07:55,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 10:07:55,113 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 10:07:55,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-04 10:07:55,228 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 10:07:55,229 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 10:07:55,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 10:07:55,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 10:07:55,598 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-04-04 10:07:55,598 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 10:07:56,030 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 83 proven. 27 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-04-04 10:07:56,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270984835] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 10:07:56,031 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 10:07:56,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 49 [2024-04-04 10:07:56,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463791376] [2024-04-04 10:07:56,031 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 10:07:56,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-04-04 10:07:56,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 10:07:56,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-04-04 10:07:56,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=330, Invalid=2022, Unknown=0, NotChecked=0, Total=2352 [2024-04-04 10:07:56,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:07:56,034 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 10:07:56,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 7.020408163265306) internal successors, (344), 49 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 10:07:56,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:07:56,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:07:56,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:07:56,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:07:56,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-04 10:07:56,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:07:56,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:07:56,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:07:56,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:07:56,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:07:56,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-04 10:07:56,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 10:07:56,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-04 10:07:56,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-04-04 10:07:56,856 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 10:07:56,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 10:07:56,856 INFO L85 PathProgramCache]: Analyzing trace with hash -465506095, now seen corresponding path program 5 times [2024-04-04 10:07:56,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 10:07:56,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139036655] [2024-04-04 10:07:56,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 10:07:56,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 10:07:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:07:57,382 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 98 proven. 76 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 10:07:57,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 10:07:57,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139036655] [2024-04-04 10:07:57,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139036655] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 10:07:57,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670244430] [2024-04-04 10:07:57,382 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 10:07:57,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:07:57,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 10:07:57,384 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 10:07:57,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-04 10:07:57,568 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-04-04 10:07:57,569 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 10:07:57,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-04 10:07:57,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 10:07:58,386 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 103 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 10:07:58,386 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 10:07:59,395 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 123 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 10:07:59,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670244430] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 10:07:59,395 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 10:07:59,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 31, 31] total 79 [2024-04-04 10:07:59,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821003732] [2024-04-04 10:07:59,395 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 10:07:59,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2024-04-04 10:07:59,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 10:07:59,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2024-04-04 10:07:59,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=843, Invalid=5319, Unknown=0, NotChecked=0, Total=6162 [2024-04-04 10:07:59,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:07:59,399 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 10:07:59,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 5.987341772151899) internal successors, (473), 79 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 10:07:59,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:07:59,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:07:59,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:07:59,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:07:59,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-04 10:07:59,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 10:07:59,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:08:00,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:08:00,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:08:00,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:08:00,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:08:00,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-04-04 10:08:00,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 10:08:00,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:08:00,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-04 10:08:00,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:08:00,692 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 10:08:00,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 10:08:00,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1393982953, now seen corresponding path program 6 times [2024-04-04 10:08:00,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 10:08:00,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095676181] [2024-04-04 10:08:00,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 10:08:00,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 10:08:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:08:01,244 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 58 proven. 281 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-04-04 10:08:01,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 10:08:01,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095676181] [2024-04-04 10:08:01,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095676181] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 10:08:01,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716760054] [2024-04-04 10:08:01,245 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 10:08:01,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:08:01,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 10:08:01,246 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 10:08:01,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-04 10:08:01,671 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-04-04 10:08:01,671 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 10:08:01,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 22 conjunts are in the unsatisfiable core [2024-04-04 10:08:01,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 10:08:02,259 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 80 proven. 259 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-04-04 10:08:02,259 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 10:08:02,790 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 245 proven. 94 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-04-04 10:08:02,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716760054] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 10:08:02,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 10:08:02,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 54 [2024-04-04 10:08:02,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263585778] [2024-04-04 10:08:02,791 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 10:08:02,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-04-04 10:08:02,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 10:08:02,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-04-04 10:08:02,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=456, Invalid=2406, Unknown=0, NotChecked=0, Total=2862 [2024-04-04 10:08:02,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:08:02,794 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 10:08:02,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 7.425925925925926) internal successors, (401), 54 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 10:08:02,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:08:02,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:08:02,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:08:02,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:08:02,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-04-04 10:08:02,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 10:08:02,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:08:02,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:08:04,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:08:04,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:08:04,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:08:04,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:08:04,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:08:04,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:08:04,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:08:04,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:08:04,084 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-04-04 10:08:04,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-04-04 10:08:04,283 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 10:08:04,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 10:08:04,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1439307673, now seen corresponding path program 7 times [2024-04-04 10:08:04,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 10:08:04,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787613100] [2024-04-04 10:08:04,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 10:08:04,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 10:08:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:08:05,007 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 91 proven. 348 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-04-04 10:08:05,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 10:08:05,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787613100] [2024-04-04 10:08:05,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787613100] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 10:08:05,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956007737] [2024-04-04 10:08:05,007 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-04 10:08:05,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:08:05,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 10:08:05,008 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 10:08:05,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-04 10:08:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:08:05,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 42 conjunts are in the unsatisfiable core [2024-04-04 10:08:05,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 10:08:06,516 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 170 proven. 317 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 10:08:06,516 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 10:08:07,834 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 190 proven. 297 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 10:08:07,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956007737] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 10:08:07,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 10:08:07,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 43, 43] total 108 [2024-04-04 10:08:07,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273907938] [2024-04-04 10:08:07,837 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 10:08:07,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2024-04-04 10:08:07,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 10:08:07,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2024-04-04 10:08:07,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1214, Invalid=10342, Unknown=0, NotChecked=0, Total=11556 [2024-04-04 10:08:07,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:08:07,855 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 10:08:07,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 5.694444444444445) internal successors, (615), 108 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 10:08:07,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:08:07,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:08:07,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:08:07,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:08:07,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:08:07,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:08:07,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:08:07,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:08:07,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:08:10,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:08:10,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:08:10,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:08:10,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:08:10,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:08:10,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:08:10,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:08:10,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:08:10,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-04-04 10:08:10,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-04 10:08:10,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:08:10,837 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 10:08:10,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 10:08:10,838 INFO L85 PathProgramCache]: Analyzing trace with hash 16296481, now seen corresponding path program 8 times [2024-04-04 10:08:10,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 10:08:10,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239854325] [2024-04-04 10:08:10,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 10:08:10,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 10:08:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:08:11,697 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 132 proven. 463 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-04-04 10:08:11,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 10:08:11,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239854325] [2024-04-04 10:08:11,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239854325] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 10:08:11,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262002950] [2024-04-04 10:08:11,698 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 10:08:11,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:08:11,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 10:08:11,699 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 10:08:11,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-04 10:08:11,873 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 10:08:11,873 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 10:08:11,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-04 10:08:11,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 10:08:13,058 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 339 proven. 304 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 10:08:13,058 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 10:08:14,167 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 412 proven. 231 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 10:08:14,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262002950] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 10:08:14,167 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 10:08:14,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 37, 37] total 87 [2024-04-04 10:08:14,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797444415] [2024-04-04 10:08:14,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 10:08:14,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2024-04-04 10:08:14,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 10:08:14,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2024-04-04 10:08:14,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1253, Invalid=6229, Unknown=0, NotChecked=0, Total=7482 [2024-04-04 10:08:14,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:08:14,172 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 10:08:14,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 6.689655172413793) internal successors, (582), 87 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 10:08:14,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:08:14,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:08:14,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:08:14,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:08:14,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:08:14,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:08:14,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:08:14,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:08:14,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-04-04 10:08:14,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:08:15,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:08:15,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:08:15,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:08:15,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:08:15,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:08:15,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:08:15,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:08:15,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:08:15,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-04-04 10:08:15,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:08:15,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-04 10:08:16,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-04-04 10:08:16,125 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 10:08:16,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 10:08:16,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1711597023, now seen corresponding path program 9 times [2024-04-04 10:08:16,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 10:08:16,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630234428] [2024-04-04 10:08:16,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 10:08:16,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 10:08:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:08:17,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1126 backedges. 683 proven. 442 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 10:08:17,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 10:08:17,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630234428] [2024-04-04 10:08:17,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630234428] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 10:08:17,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522845157] [2024-04-04 10:08:17,752 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 10:08:17,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:08:17,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 10:08:17,753 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 10:08:17,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-04 10:08:18,066 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-04-04 10:08:18,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 10:08:18,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 61 conjunts are in the unsatisfiable core [2024-04-04 10:08:18,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 10:08:20,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1126 backedges. 143 proven. 685 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-04-04 10:08:20,195 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 10:08:23,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1126 backedges. 11 proven. 745 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-04-04 10:08:23,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522845157] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 10:08:23,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 10:08:23,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 52, 48] total 144 [2024-04-04 10:08:23,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060048274] [2024-04-04 10:08:23,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 10:08:23,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 144 states [2024-04-04 10:08:23,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 10:08:23,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2024-04-04 10:08:23,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1258, Invalid=19334, Unknown=0, NotChecked=0, Total=20592 [2024-04-04 10:08:23,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:08:23,357 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 10:08:23,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 144 states, 144 states have (on average 5.381944444444445) internal successors, (775), 144 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 10:08:23,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:08:23,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:08:23,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:08:23,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:08:23,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:08:23,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:08:23,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:08:23,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:08:23,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-04-04 10:08:23,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:08:23,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:09:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:09:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:09:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:09:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:09:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:09:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:09:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:09:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:09:00,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-04-04 10:09:00,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:09:00,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 485 states. [2024-04-04 10:09:00,411 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-04-04 10:09:00,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-04-04 10:09:00,604 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 10:09:00,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 10:09:00,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1977033127, now seen corresponding path program 10 times [2024-04-04 10:09:00,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 10:09:00,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245377627] [2024-04-04 10:09:00,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 10:09:00,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 10:09:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:09:11,496 INFO L134 CoverageAnalysis]: Checked inductivity of 3462 backedges. 2657 proven. 804 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 10:09:11,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 10:09:11,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245377627] [2024-04-04 10:09:11,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245377627] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 10:09:11,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551495448] [2024-04-04 10:09:11,496 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 10:09:11,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:09:11,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 10:09:11,498 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 10:09:11,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-04 10:09:11,707 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 10:09:11,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 10:09:11,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 50 conjunts are in the unsatisfiable core [2024-04-04 10:09:11,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 10:09:15,267 INFO L134 CoverageAnalysis]: Checked inductivity of 3462 backedges. 1452 proven. 476 refuted. 0 times theorem prover too weak. 1534 trivial. 0 not checked. [2024-04-04 10:09:15,267 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 10:09:19,601 INFO L134 CoverageAnalysis]: Checked inductivity of 3462 backedges. 1477 proven. 451 refuted. 0 times theorem prover too weak. 1534 trivial. 0 not checked. [2024-04-04 10:09:19,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551495448] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 10:09:19,601 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 10:09:19,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [147, 51, 51] total 241 [2024-04-04 10:09:19,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023408044] [2024-04-04 10:09:19,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 10:09:19,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 241 states [2024-04-04 10:09:19,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 10:09:19,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 241 interpolants. [2024-04-04 10:09:19,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4382, Invalid=53458, Unknown=0, NotChecked=0, Total=57840 [2024-04-04 10:09:19,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:09:19,624 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 10:09:19,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 241 states, 241 states have (on average 3.759336099585062) internal successors, (906), 241 states have internal predecessors, (906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 10:09:19,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:09:19,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:09:19,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:09:19,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:09:19,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:09:19,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:09:19,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:09:19,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:09:19,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-04-04 10:09:19,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:09:19,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 485 states. [2024-04-04 10:09:19,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:09:21,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:09:21,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:09:21,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:09:21,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:09:21,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:09:21,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:09:21,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:09:21,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:09:21,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-04-04 10:09:21,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:09:21,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 485 states. [2024-04-04 10:09:21,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 10:09:22,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-04-04 10:09:22,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:09:22,200 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 10:09:22,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 10:09:22,216 INFO L85 PathProgramCache]: Analyzing trace with hash 411554449, now seen corresponding path program 11 times [2024-04-04 10:09:22,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 10:09:22,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560145294] [2024-04-04 10:09:22,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 10:09:22,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 10:09:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:09:33,055 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 2657 proven. 893 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 10:09:33,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 10:09:33,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560145294] [2024-04-04 10:09:33,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560145294] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 10:09:33,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446087347] [2024-04-04 10:09:33,055 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 10:09:33,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:09:33,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 10:09:33,069 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 10:09:33,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-04 10:09:33,444 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2024-04-04 10:09:33,445 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 10:09:33,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 1278 conjuncts, 68 conjunts are in the unsatisfiable core [2024-04-04 10:09:33,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 10:09:38,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 3003 proven. 540 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-04 10:09:38,779 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 10:09:43,175 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 3003 proven. 540 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-04 10:09:43,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446087347] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 10:09:43,176 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 10:09:43,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [149, 69, 69] total 280 [2024-04-04 10:09:43,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388847057] [2024-04-04 10:09:43,177 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 10:09:43,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 280 states [2024-04-04 10:09:43,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 10:09:43,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 280 interpolants. [2024-04-04 10:09:43,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6432, Invalid=71688, Unknown=0, NotChecked=0, Total=78120 [2024-04-04 10:09:43,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:09:43,192 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 10:09:43,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 280 states, 280 states have (on average 4.832142857142857) internal successors, (1353), 280 states have internal predecessors, (1353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 10:09:43,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:09:43,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:09:43,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:09:43,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:09:43,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:09:43,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:09:43,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:09:43,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:09:43,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-04-04 10:09:43,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:09:43,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 485 states. [2024-04-04 10:09:43,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 10:09:43,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:09:46,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:09:46,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:09:46,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:09:46,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:09:46,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:09:46,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:09:46,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:09:46,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:09:46,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-04-04 10:09:46,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:09:46,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 485 states. [2024-04-04 10:09:46,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 10:09:46,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-04 10:09:46,102 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-04 10:09:46,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-04-04 10:09:46,301 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 10:09:46,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 10:09:46,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1836684369, now seen corresponding path program 12 times [2024-04-04 10:09:46,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 10:09:46,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676326466] [2024-04-04 10:09:46,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 10:09:46,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 10:09:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:09:50,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4551 backedges. 2858 proven. 1692 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 10:09:50,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 10:09:50,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676326466] [2024-04-04 10:09:50,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676326466] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 10:09:50,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376507223] [2024-04-04 10:09:50,493 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 10:09:50,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:09:50,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 10:09:50,494 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 10:09:50,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-04 10:09:53,217 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2024-04-04 10:09:53,217 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 10:09:53,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 1390 conjuncts, 96 conjunts are in the unsatisfiable core [2024-04-04 10:09:53,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 10:09:56,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4551 backedges. 2216 proven. 1636 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2024-04-04 10:09:56,545 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 10:10:01,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4551 backedges. 2163 proven. 1826 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2024-04-04 10:10:01,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376507223] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 10:10:01,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 10:10:01,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [88, 87, 90] total 257 [2024-04-04 10:10:01,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716568476] [2024-04-04 10:10:01,054 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 10:10:01,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 257 states [2024-04-04 10:10:01,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 10:10:01,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 257 interpolants. [2024-04-04 10:10:01,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6600, Invalid=59192, Unknown=0, NotChecked=0, Total=65792 [2024-04-04 10:10:01,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:10:01,062 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 10:10:01,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 257 states, 257 states have (on average 4.945525291828794) internal successors, (1271), 257 states have internal predecessors, (1271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 10:10:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:10:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:10:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:10:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:10:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:10:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:10:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:10:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:10:01,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-04-04 10:10:01,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:10:01,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 485 states. [2024-04-04 10:10:01,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 10:10:01,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-04 10:10:01,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:10:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:10:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:10:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:10:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:10:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:10:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:10:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:10:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:10:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-04-04 10:10:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:10:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 485 states. [2024-04-04 10:10:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 10:10:04,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-04 10:10:04,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-04 10:10:04,376 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-04-04 10:10:04,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-04-04 10:10:04,579 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 10:10:04,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 10:10:04,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1331752823, now seen corresponding path program 13 times [2024-04-04 10:10:04,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 10:10:04,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727114769] [2024-04-04 10:10:04,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 10:10:04,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 10:10:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:10:09,193 INFO L134 CoverageAnalysis]: Checked inductivity of 4712 backedges. 1546 proven. 3165 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 10:10:09,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 10:10:09,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727114769] [2024-04-04 10:10:09,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727114769] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 10:10:09,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761727854] [2024-04-04 10:10:09,194 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-04 10:10:09,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:10:09,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 10:10:09,195 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 10:10:09,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-04 10:10:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:10:09,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 1404 conjuncts, 90 conjunts are in the unsatisfiable core [2024-04-04 10:10:09,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 10:10:15,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4712 backedges. 2312 proven. 1751 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2024-04-04 10:10:15,105 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 10:10:20,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4712 backedges. 2362 proven. 1701 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2024-04-04 10:10:20,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761727854] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 10:10:20,254 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 10:10:20,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 91, 91] total 264 [2024-04-04 10:10:20,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182664387] [2024-04-04 10:10:20,254 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 10:10:20,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 264 states [2024-04-04 10:10:20,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 10:10:20,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 264 interpolants. [2024-04-04 10:10:20,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5834, Invalid=63598, Unknown=0, NotChecked=0, Total=69432 [2024-04-04 10:10:20,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:10:20,264 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 10:10:20,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 264 states, 264 states have (on average 5.0643939393939394) internal successors, (1337), 264 states have internal predecessors, (1337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 10:10:20,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:10:20,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:10:20,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:10:20,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:10:20,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:10:20,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:10:20,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:10:20,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:10:20,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-04-04 10:10:20,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:10:20,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 485 states. [2024-04-04 10:10:20,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 10:10:20,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-04 10:10:20,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-04 10:10:20,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:10:33,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:10:33,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:10:33,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:10:33,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:10:33,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:10:33,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:10:33,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:10:33,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:10:33,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-04-04 10:10:33,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:10:33,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 485 states. [2024-04-04 10:10:33,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 10:10:33,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-04 10:10:33,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-04 10:10:33,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 286 states. [2024-04-04 10:10:33,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-04 10:10:33,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-04-04 10:10:33,619 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 10:10:33,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 10:10:33,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1203516865, now seen corresponding path program 14 times [2024-04-04 10:10:33,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 10:10:33,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940694851] [2024-04-04 10:10:33,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 10:10:33,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 10:10:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:10:38,403 INFO L134 CoverageAnalysis]: Checked inductivity of 5189 backedges. 1707 proven. 3481 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 10:10:38,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 10:10:38,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940694851] [2024-04-04 10:10:38,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940694851] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 10:10:38,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687689550] [2024-04-04 10:10:38,404 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 10:10:38,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:10:38,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 10:10:38,405 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 10:10:38,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-04 10:10:38,721 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 10:10:38,721 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 10:10:38,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 1460 conjuncts, 94 conjunts are in the unsatisfiable core [2024-04-04 10:10:38,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 10:10:42,977 INFO L134 CoverageAnalysis]: Checked inductivity of 5189 backedges. 2514 proven. 1976 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2024-04-04 10:10:42,977 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 10:10:48,151 INFO L134 CoverageAnalysis]: Checked inductivity of 5189 backedges. 2620 proven. 1870 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2024-04-04 10:10:48,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687689550] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 10:10:48,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 10:10:48,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [91, 95, 95] total 276 [2024-04-04 10:10:48,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983781119] [2024-04-04 10:10:48,151 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 10:10:48,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 276 states [2024-04-04 10:10:48,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 10:10:48,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 276 interpolants. [2024-04-04 10:10:48,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6308, Invalid=69592, Unknown=0, NotChecked=0, Total=75900 [2024-04-04 10:10:48,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:10:48,160 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 10:10:48,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 276 states, 276 states have (on average 5.057971014492754) internal successors, (1396), 276 states have internal predecessors, (1396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 10:10:48,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:10:48,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:10:48,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:10:48,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:10:48,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:10:48,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:10:48,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:10:48,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:10:48,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-04-04 10:10:48,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:10:48,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 485 states. [2024-04-04 10:10:48,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 10:10:48,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-04 10:10:48,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-04 10:10:48,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 286 states. [2024-04-04 10:10:48,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:11:04,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:11:04,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:11:04,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:11:04,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:11:04,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:11:04,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:11:04,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:11:04,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:11:04,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-04-04 10:11:04,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:11:04,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 485 states. [2024-04-04 10:11:04,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 10:11:04,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-04 10:11:04,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-04 10:11:04,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 286 states. [2024-04-04 10:11:04,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 299 states. [2024-04-04 10:11:04,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-04-04 10:11:05,130 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 [2024-04-04 10:11:05,131 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 10:11:05,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 10:11:05,132 INFO L85 PathProgramCache]: Analyzing trace with hash -489189639, now seen corresponding path program 15 times [2024-04-04 10:11:05,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 10:11:05,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299400279] [2024-04-04 10:11:05,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 10:11:05,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 10:11:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:11:09,878 INFO L134 CoverageAnalysis]: Checked inductivity of 5689 backedges. 1876 proven. 3812 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 10:11:09,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 10:11:09,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299400279] [2024-04-04 10:11:09,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299400279] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 10:11:09,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845021908] [2024-04-04 10:11:09,879 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 10:11:09,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:11:09,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 10:11:09,880 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) [2024-04-04 10:11:09,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-04 10:11:13,998 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) [2024-04-04 10:11:13,998 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 10:11:14,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 1502 conjuncts, 94 conjunts are in the unsatisfiable core [2024-04-04 10:11:14,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 10:11:18,683 INFO L134 CoverageAnalysis]: Checked inductivity of 5689 backedges. 154 proven. 3487 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked. [2024-04-04 10:11:18,683 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 10:11:19,956 INFO L134 CoverageAnalysis]: Checked inductivity of 5689 backedges. 585 proven. 106 refuted. 0 times theorem prover too weak. 4998 trivial. 0 not checked. [2024-04-04 10:11:19,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845021908] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 10:11:19,956 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 10:11:19,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 17] total 202 [2024-04-04 10:11:19,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622988901] [2024-04-04 10:11:19,957 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 10:11:19,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 202 states [2024-04-04 10:11:19,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 10:11:19,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 202 interpolants. [2024-04-04 10:11:19,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1828, Invalid=38774, Unknown=0, NotChecked=0, Total=40602 [2024-04-04 10:11:19,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:11:19,962 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 10:11:19,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 202 states, 202 states have (on average 5.326732673267327) internal successors, (1076), 202 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 10:11:19,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:11:19,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:11:19,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:11:19,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:11:19,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:11:19,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:11:19,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:11:19,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:11:19,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-04-04 10:11:19,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:11:19,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 485 states. [2024-04-04 10:11:19,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 10:11:19,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-04 10:11:19,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-04 10:11:19,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 286 states. [2024-04-04 10:11:19,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 299 states. [2024-04-04 10:11:19,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:11:53,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:11:53,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:11:53,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:11:53,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:11:53,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:11:53,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:11:53,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:11:53,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:11:53,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-04-04 10:11:53,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:11:53,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 485 states. [2024-04-04 10:11:53,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 10:11:53,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-04 10:11:53,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-04 10:11:53,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 286 states. [2024-04-04 10:11:53,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 299 states. [2024-04-04 10:11:53,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 460 states. [2024-04-04 10:11:53,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-04-04 10:11:54,039 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 [2024-04-04 10:11:54,039 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 10:11:54,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 10:11:54,040 INFO L85 PathProgramCache]: Analyzing trace with hash -512127649, now seen corresponding path program 16 times [2024-04-04 10:11:54,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 10:11:54,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010709964] [2024-04-04 10:11:54,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 10:11:54,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 10:11:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:11:59,066 INFO L134 CoverageAnalysis]: Checked inductivity of 6264 backedges. 4033 proven. 2223 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-04 10:11:59,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 10:11:59,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010709964] [2024-04-04 10:11:59,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010709964] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 10:11:59,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296801013] [2024-04-04 10:11:59,067 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 10:11:59,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:11:59,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 10:11:59,068 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) [2024-04-04 10:11:59,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-04-04 10:11:59,327 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 10:11:59,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 10:11:59,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 98 conjunts are in the unsatisfiable core [2024-04-04 10:11:59,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 10:12:04,526 INFO L134 CoverageAnalysis]: Checked inductivity of 6264 backedges. 3087 proven. 2102 refuted. 0 times theorem prover too weak. 1075 trivial. 0 not checked. [2024-04-04 10:12:04,527 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 10:12:10,262 INFO L134 CoverageAnalysis]: Checked inductivity of 6264 backedges. 3142 proven. 2047 refuted. 0 times theorem prover too weak. 1075 trivial. 0 not checked. [2024-04-04 10:12:10,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296801013] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 10:12:10,263 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 10:12:10,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [100, 99, 99] total 289 [2024-04-04 10:12:10,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026859876] [2024-04-04 10:12:10,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 10:12:10,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 289 states [2024-04-04 10:12:10,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 10:12:10,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 289 interpolants. [2024-04-04 10:12:10,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8530, Invalid=74702, Unknown=0, NotChecked=0, Total=83232 [2024-04-04 10:12:10,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:12:10,271 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 10:12:10,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 289 states, 289 states have (on average 4.868512110726644) internal successors, (1407), 289 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 10:12:10,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:12:10,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:12:10,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:12:10,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:12:10,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:12:10,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:12:10,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:12:10,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:12:10,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-04-04 10:12:10,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:12:10,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 485 states. [2024-04-04 10:12:10,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 10:12:10,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-04 10:12:10,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-04 10:12:10,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 286 states. [2024-04-04 10:12:10,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 299 states. [2024-04-04 10:12:10,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 460 states. [2024-04-04 10:12:10,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:12:14,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:12:14,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:12:14,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:12:14,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:12:14,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:12:14,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:12:14,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:12:14,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:12:14,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-04-04 10:12:14,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:12:14,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 485 states. [2024-04-04 10:12:14,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 10:12:14,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-04 10:12:14,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-04 10:12:14,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 286 states. [2024-04-04 10:12:14,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 299 states. [2024-04-04 10:12:14,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 460 states. [2024-04-04 10:12:14,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-04-04 10:12:14,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-04-04 10:12:14,623 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 [2024-04-04 10:12:14,623 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)] === [2024-04-04 10:12:14,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 10:12:14,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1783290407, now seen corresponding path program 17 times [2024-04-04 10:12:14,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 10:12:14,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980741326] [2024-04-04 10:12:14,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 10:12:14,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 10:12:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:12:20,360 INFO L134 CoverageAnalysis]: Checked inductivity of 6449 backedges. 3757 proven. 2684 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-04 10:12:20,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 10:12:20,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980741326] [2024-04-04 10:12:20,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980741326] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 10:12:20,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651463255] [2024-04-04 10:12:20,361 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 10:12:20,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:12:20,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 10:12:20,362 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) [2024-04-04 10:12:20,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-04-04 10:12:21,348 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) [2024-04-04 10:12:21,348 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 10:12:21,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 1600 conjuncts, 146 conjunts are in the unsatisfiable core [2024-04-04 10:12:21,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 10:12:34,140 INFO L134 CoverageAnalysis]: Checked inductivity of 6449 backedges. 0 proven. 4217 refuted. 0 times theorem prover too weak. 2232 trivial. 0 not checked. [2024-04-04 10:12:34,140 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 10:12:49,062 INFO L134 CoverageAnalysis]: Checked inductivity of 6449 backedges. 3707 proven. 510 refuted. 0 times theorem prover too weak. 2232 trivial. 0 not checked. [2024-04-04 10:12:49,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651463255] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 10:12:49,062 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 10:12:49,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [103, 147, 125] total 371 [2024-04-04 10:12:49,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193283306] [2024-04-04 10:12:49,062 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 10:12:49,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 371 states [2024-04-04 10:12:49,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 10:12:49,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 371 interpolants. [2024-04-04 10:12:49,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8390, Invalid=128880, Unknown=0, NotChecked=0, Total=137270 [2024-04-04 10:12:49,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:12:49,075 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 10:12:49,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 371 states, 371 states have (on average 3.973045822102426) internal successors, (1474), 371 states have internal predecessors, (1474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 10:12:49,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:12:49,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:12:49,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:12:49,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 10:12:49,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:12:49,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:12:49,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:12:49,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:12:49,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-04-04 10:12:49,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:12:49,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 485 states. [2024-04-04 10:12:49,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 10:12:49,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-04 10:12:49,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-04 10:12:49,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 286 states. [2024-04-04 10:12:49,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 299 states. [2024-04-04 10:12:49,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 460 states. [2024-04-04 10:12:49,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-04-04 10:12:49,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:15:25,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:15:25,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:15:25,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:15:25,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 10:15:25,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:15:25,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:15:25,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:15:25,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:15:25,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-04 10:15:25,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:15:25,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 493 states. [2024-04-04 10:15:25,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-04 10:15:25,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-04 10:15:25,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-04-04 10:15:25,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2024-04-04 10:15:25,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 304 states. [2024-04-04 10:15:25,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 481 states. [2024-04-04 10:15:25,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-04-04 10:15:25,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1155 states. [2024-04-04 10:15:25,303 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-04-04 10:15:25,501 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 [2024-04-04 10:15:25,501 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)] === [2024-04-04 10:15:25,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 10:15:25,501 INFO L85 PathProgramCache]: Analyzing trace with hash 477639700, now seen corresponding path program 18 times [2024-04-04 10:15:25,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 10:15:25,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182514724] [2024-04-04 10:15:25,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 10:15:25,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 10:15:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:15:32,693 INFO L134 CoverageAnalysis]: Checked inductivity of 8607 backedges. 5943 proven. 2641 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-04-04 10:15:32,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 10:15:32,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182514724] [2024-04-04 10:15:32,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182514724] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 10:15:32,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750632023] [2024-04-04 10:15:32,693 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 10:15:32,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:15:32,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 10:15:32,694 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) [2024-04-04 10:15:32,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-04-04 10:15:38,403 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 30 check-sat command(s) [2024-04-04 10:15:38,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 10:15:38,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 1824 conjuncts, 122 conjunts are in the unsatisfiable core [2024-04-04 10:15:38,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 10:15:44,407 INFO L134 CoverageAnalysis]: Checked inductivity of 8607 backedges. 5235 proven. 3361 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-04-04 10:15:44,407 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 10:15:49,131 INFO L134 CoverageAnalysis]: Checked inductivity of 8607 backedges. 6171 proven. 2425 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-04-04 10:15:49,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750632023] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 10:15:49,131 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 10:15:49,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [112, 117, 117] total 290 [2024-04-04 10:15:49,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694539089] [2024-04-04 10:15:49,132 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 10:15:49,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 290 states [2024-04-04 10:15:49,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 10:15:49,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 290 interpolants. [2024-04-04 10:15:49,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11447, Invalid=72363, Unknown=0, NotChecked=0, Total=83810 [2024-04-04 10:15:49,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:15:49,140 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 10:15:49,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 290 states, 290 states have (on average 5.731034482758621) internal successors, (1662), 290 states have internal predecessors, (1662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 10:15:49,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:15:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:15:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:15:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 10:15:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:15:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:15:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:15:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:15:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-04 10:15:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:15:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 493 states. [2024-04-04 10:15:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-04 10:15:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-04 10:15:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-04-04 10:15:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2024-04-04 10:15:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 304 states. [2024-04-04 10:15:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 481 states. [2024-04-04 10:15:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-04-04 10:15:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1155 states. [2024-04-04 10:15:49,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:15:53,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:15:53,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:15:53,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:15:53,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 10:15:53,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:15:53,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:15:53,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:15:53,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:15:53,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-04 10:15:53,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:15:53,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 493 states. [2024-04-04 10:15:53,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-04 10:15:53,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-04 10:15:53,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-04-04 10:15:53,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2024-04-04 10:15:53,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 304 states. [2024-04-04 10:15:53,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 481 states. [2024-04-04 10:15:53,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-04-04 10:15:53,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1155 states. [2024-04-04 10:15:53,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2024-04-04 10:15:53,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-04-04 10:15:53,968 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 [2024-04-04 10:15:53,968 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)] === [2024-04-04 10:15:53,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 10:15:53,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1290423964, now seen corresponding path program 19 times [2024-04-04 10:15:53,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 10:15:53,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310096437] [2024-04-04 10:15:53,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 10:15:53,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 10:15:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:16:02,944 INFO L134 CoverageAnalysis]: Checked inductivity of 9933 backedges. 3282 proven. 6642 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-04-04 10:16:02,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 10:16:02,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310096437] [2024-04-04 10:16:02,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310096437] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 10:16:02,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878155258] [2024-04-04 10:16:02,945 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-04 10:16:02,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:16:02,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 10:16:02,946 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) [2024-04-04 10:16:02,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-04-04 10:16:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:16:03,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 1908 conjuncts, 130 conjunts are in the unsatisfiable core [2024-04-04 10:16:03,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 10:16:11,291 INFO L134 CoverageAnalysis]: Checked inductivity of 9933 backedges. 4845 proven. 3826 refuted. 0 times theorem prover too weak. 1262 trivial. 0 not checked. [2024-04-04 10:16:11,292 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 10:16:23,406 INFO L134 CoverageAnalysis]: Checked inductivity of 9933 backedges. 4920 proven. 3751 refuted. 0 times theorem prover too weak. 1262 trivial. 0 not checked. [2024-04-04 10:16:23,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1878155258] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 10:16:23,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 10:16:23,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [123, 131, 131] total 380 [2024-04-04 10:16:23,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227184265] [2024-04-04 10:16:23,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 10:16:23,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 380 states [2024-04-04 10:16:23,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 10:16:23,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 380 interpolants. [2024-04-04 10:16:23,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11955, Invalid=132065, Unknown=0, NotChecked=0, Total=144020 [2024-04-04 10:16:23,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:16:23,423 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 10:16:23,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 380 states, 380 states have (on average 4.868421052631579) internal successors, (1850), 380 states have internal predecessors, (1850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 10:16:23,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:16:23,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:16:23,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:16:23,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 10:16:23,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:16:23,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:16:23,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:16:23,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:16:23,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-04 10:16:23,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:16:23,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 493 states. [2024-04-04 10:16:23,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-04 10:16:23,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-04 10:16:23,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-04-04 10:16:23,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2024-04-04 10:16:23,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 304 states. [2024-04-04 10:16:23,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 481 states. [2024-04-04 10:16:23,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-04-04 10:16:23,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1155 states. [2024-04-04 10:16:23,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2024-04-04 10:16:23,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:16:49,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:16:49,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:16:49,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:16:49,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 10:16:49,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:16:49,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:16:49,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:16:49,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:16:49,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-04 10:16:49,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:16:49,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 493 states. [2024-04-04 10:16:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-04 10:16:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-04 10:16:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-04-04 10:16:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2024-04-04 10:16:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 304 states. [2024-04-04 10:16:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 481 states. [2024-04-04 10:16:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-04-04 10:16:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1155 states. [2024-04-04 10:16:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2024-04-04 10:16:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 409 states. [2024-04-04 10:16:49,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-04-04 10:16:49,836 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 [2024-04-04 10:16:49,836 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)] === [2024-04-04 10:16:49,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 10:16:49,837 INFO L85 PathProgramCache]: Analyzing trace with hash -2066780260, now seen corresponding path program 20 times [2024-04-04 10:16:49,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 10:16:49,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089242090] [2024-04-04 10:16:49,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 10:16:49,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 10:16:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:17:00,694 INFO L134 CoverageAnalysis]: Checked inductivity of 12024 backedges. 7365 proven. 4636 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-04-04 10:17:00,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 10:17:00,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089242090] [2024-04-04 10:17:00,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089242090] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 10:17:00,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984194995] [2024-04-04 10:17:00,695 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 10:17:00,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:17:00,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 10:17:00,696 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) [2024-04-04 10:17:00,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-04-04 10:17:01,133 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 10:17:01,133 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 10:17:01,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 2090 conjuncts, 134 conjunts are in the unsatisfiable core [2024-04-04 10:17:01,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 10:17:09,910 INFO L134 CoverageAnalysis]: Checked inductivity of 12024 backedges. 5871 proven. 4156 refuted. 0 times theorem prover too weak. 1997 trivial. 0 not checked. [2024-04-04 10:17:09,910 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 10:17:21,755 INFO L134 CoverageAnalysis]: Checked inductivity of 12024 backedges. 6027 proven. 4000 refuted. 0 times theorem prover too weak. 1997 trivial. 0 not checked. [2024-04-04 10:17:21,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1984194995] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 10:17:21,755 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 10:17:21,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [135, 135, 135] total 397 [2024-04-04 10:17:21,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789821149] [2024-04-04 10:17:21,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 10:17:21,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 397 states [2024-04-04 10:17:21,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 10:17:21,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 397 interpolants. [2024-04-04 10:17:21,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15688, Invalid=141524, Unknown=0, NotChecked=0, Total=157212 [2024-04-04 10:17:21,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:17:21,773 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 10:17:21,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 397 states, 397 states have (on average 4.755667506297229) internal successors, (1888), 397 states have internal predecessors, (1888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 10:17:21,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:17:21,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:17:21,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:17:21,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 10:17:21,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:17:21,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:17:21,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:17:21,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:17:21,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-04 10:17:21,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:17:21,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 493 states. [2024-04-04 10:17:21,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-04 10:17:21,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-04 10:17:21,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-04-04 10:17:21,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2024-04-04 10:17:21,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 304 states. [2024-04-04 10:17:21,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 481 states. [2024-04-04 10:17:21,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-04-04 10:17:21,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1155 states. [2024-04-04 10:17:21,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2024-04-04 10:17:21,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 409 states. [2024-04-04 10:17:21,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:17:29,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:17:29,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:17:29,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:17:29,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 10:17:29,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:17:29,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:17:29,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:17:29,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:17:29,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-04 10:17:29,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:17:29,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 493 states. [2024-04-04 10:17:29,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-04 10:17:29,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-04 10:17:29,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-04-04 10:17:29,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2024-04-04 10:17:29,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 304 states. [2024-04-04 10:17:29,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 481 states. [2024-04-04 10:17:29,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-04-04 10:17:29,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1155 states. [2024-04-04 10:17:29,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2024-04-04 10:17:29,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 409 states. [2024-04-04 10:17:29,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2024-04-04 10:17:29,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-04-04 10:17:29,849 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 [2024-04-04 10:17:29,849 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)] === [2024-04-04 10:17:29,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 10:17:29,850 INFO L85 PathProgramCache]: Analyzing trace with hash 191412692, now seen corresponding path program 21 times [2024-04-04 10:17:29,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 10:17:29,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461539275] [2024-04-04 10:17:29,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 10:17:29,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 10:17:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:17:40,886 INFO L134 CoverageAnalysis]: Checked inductivity of 12281 backedges. 7356 proven. 4914 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-04-04 10:17:40,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 10:17:40,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461539275] [2024-04-04 10:17:40,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461539275] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 10:17:40,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179748222] [2024-04-04 10:17:40,887 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 10:17:40,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:17:40,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 10:17:40,888 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) [2024-04-04 10:17:40,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-04-04 10:18:01,580 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 34 check-sat command(s) [2024-04-04 10:18:01,581 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 10:18:01,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 2104 conjuncts, 144 conjunts are in the unsatisfiable core [2024-04-04 10:18:01,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 10:18:09,153 INFO L134 CoverageAnalysis]: Checked inductivity of 12281 backedges. 7362 proven. 4908 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-04-04 10:18:09,153 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 10:18:15,705 INFO L134 CoverageAnalysis]: Checked inductivity of 12281 backedges. 8013 proven. 4257 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-04-04 10:18:15,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179748222] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 10:18:15,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 10:18:15,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [139, 139, 139] total 348 [2024-04-04 10:18:15,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654936167] [2024-04-04 10:18:15,711 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 10:18:15,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 348 states [2024-04-04 10:18:15,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 10:18:15,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 348 interpolants. [2024-04-04 10:18:15,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15569, Invalid=105187, Unknown=0, NotChecked=0, Total=120756 [2024-04-04 10:18:15,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:18:15,735 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 10:18:15,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 348 states, 348 states have (on average 5.5344827586206895) internal successors, (1926), 348 states have internal predecessors, (1926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 10:18:15,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:18:15,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:18:15,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:18:15,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 10:18:15,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:18:15,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:18:15,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:18:15,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:18:15,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-04 10:18:15,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:18:15,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 493 states. [2024-04-04 10:18:15,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-04 10:18:15,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-04 10:18:15,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-04-04 10:18:15,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2024-04-04 10:18:15,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 304 states. [2024-04-04 10:18:15,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 481 states. [2024-04-04 10:18:15,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-04-04 10:18:15,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1155 states. [2024-04-04 10:18:15,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2024-04-04 10:18:15,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 409 states. [2024-04-04 10:18:15,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2024-04-04 10:18:15,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:18:21,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:18:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:18:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:18:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 10:18:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:18:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:18:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:18:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:18:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-04 10:18:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:18:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 493 states. [2024-04-04 10:18:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-04 10:18:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-04 10:18:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-04-04 10:18:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2024-04-04 10:18:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 304 states. [2024-04-04 10:18:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 481 states. [2024-04-04 10:18:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-04-04 10:18:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1155 states. [2024-04-04 10:18:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2024-04-04 10:18:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 409 states. [2024-04-04 10:18:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2024-04-04 10:18:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-04-04 10:18:21,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-04-04 10:18:21,364 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 [2024-04-04 10:18:21,364 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)] === [2024-04-04 10:18:21,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 10:18:21,365 INFO L85 PathProgramCache]: Analyzing trace with hash 537938956, now seen corresponding path program 22 times [2024-04-04 10:18:21,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 10:18:21,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811773962] [2024-04-04 10:18:21,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 10:18:21,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 10:18:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:18:33,706 INFO L134 CoverageAnalysis]: Checked inductivity of 12546 backedges. 4262 proven. 8283 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 10:18:33,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 10:18:33,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811773962] [2024-04-04 10:18:33,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811773962] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 10:18:33,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498958572] [2024-04-04 10:18:33,707 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 10:18:33,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:18:33,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 10:18:33,708 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) [2024-04-04 10:18:33,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-04-04 10:18:34,084 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 10:18:34,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 10:18:34,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 1216 conjuncts, 142 conjunts are in the unsatisfiable core [2024-04-04 10:18:34,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 10:18:44,194 INFO L134 CoverageAnalysis]: Checked inductivity of 12546 backedges. 6098 proven. 4688 refuted. 0 times theorem prover too weak. 1760 trivial. 0 not checked. [2024-04-04 10:18:44,194 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 10:18:57,321 INFO L134 CoverageAnalysis]: Checked inductivity of 12546 backedges. 6264 proven. 4522 refuted. 0 times theorem prover too weak. 1760 trivial. 0 not checked. [2024-04-04 10:18:57,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498958572] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 10:18:57,321 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 10:18:57,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [139, 143, 143] total 420 [2024-04-04 10:18:57,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438051362] [2024-04-04 10:18:57,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 10:18:57,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 420 states [2024-04-04 10:18:57,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 10:18:57,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 420 interpolants. [2024-04-04 10:18:57,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14318, Invalid=161662, Unknown=0, NotChecked=0, Total=175980 [2024-04-04 10:18:57,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:18:57,342 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 10:18:57,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 420 states, 420 states have (on average 4.854761904761904) internal successors, (2039), 420 states have internal predecessors, (2039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 10:18:57,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:18:57,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:18:57,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:18:57,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 10:18:57,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:18:57,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:18:57,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:18:57,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:18:57,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-04 10:18:57,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:18:57,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 493 states. [2024-04-04 10:18:57,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-04 10:18:57,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-04 10:18:57,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-04-04 10:18:57,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2024-04-04 10:18:57,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 304 states. [2024-04-04 10:18:57,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 481 states. [2024-04-04 10:18:57,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-04-04 10:18:57,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1155 states. [2024-04-04 10:18:57,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2024-04-04 10:18:57,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 409 states. [2024-04-04 10:18:57,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2024-04-04 10:18:57,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-04-04 10:18:57,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:19:30,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:19:30,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:19:30,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:19:30,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 10:19:30,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:19:30,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:19:30,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:19:30,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:19:30,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-04 10:19:30,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:19:30,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 493 states. [2024-04-04 10:19:30,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-04 10:19:30,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-04 10:19:30,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-04-04 10:19:30,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2024-04-04 10:19:30,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 304 states. [2024-04-04 10:19:30,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 481 states. [2024-04-04 10:19:30,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-04-04 10:19:30,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1155 states. [2024-04-04 10:19:30,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2024-04-04 10:19:30,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 409 states. [2024-04-04 10:19:30,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2024-04-04 10:19:30,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-04-04 10:19:30,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 457 states. [2024-04-04 10:19:30,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-04-04 10:19:30,542 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 [2024-04-04 10:19:30,542 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)] === [2024-04-04 10:19:30,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 10:19:30,542 INFO L85 PathProgramCache]: Analyzing trace with hash -879013308, now seen corresponding path program 23 times [2024-04-04 10:19:30,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 10:19:30,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661606321] [2024-04-04 10:19:30,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 10:19:30,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 10:19:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:19:43,597 INFO L134 CoverageAnalysis]: Checked inductivity of 14901 backedges. 9803 proven. 5075 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-04-04 10:19:43,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 10:19:43,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661606321] [2024-04-04 10:19:43,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661606321] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 10:19:43,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683692103] [2024-04-04 10:19:43,599 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 10:19:43,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:19:43,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 10:19:43,600 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) [2024-04-04 10:19:43,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-04-04 10:19:47,131 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 38 check-sat command(s) [2024-04-04 10:19:47,131 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 10:19:47,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 2300 conjuncts, 148 conjunts are in the unsatisfiable core [2024-04-04 10:19:47,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 10:19:56,870 INFO L134 CoverageAnalysis]: Checked inductivity of 14901 backedges. 10098 proven. 4795 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-04 10:19:56,870 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 10:20:07,904 INFO L134 CoverageAnalysis]: Checked inductivity of 14901 backedges. 10098 proven. 4795 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-04 10:20:07,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683692103] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 10:20:07,905 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 10:20:07,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [148, 149, 149] total 439 [2024-04-04 10:20:07,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743970951] [2024-04-04 10:20:07,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 10:20:07,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 439 states [2024-04-04 10:20:07,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 10:20:07,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 439 interpolants. [2024-04-04 10:20:07,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19679, Invalid=172603, Unknown=0, NotChecked=0, Total=192282 [2024-04-04 10:20:07,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:20:07,923 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 10:20:07,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 439 states, 439 states have (on average 5.993166287015946) internal successors, (2631), 439 states have internal predecessors, (2631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 10:20:07,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:20:07,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:20:07,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:20:07,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 10:20:07,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:20:07,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:20:07,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:20:07,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:20:07,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-04 10:20:07,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:20:07,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 493 states. [2024-04-04 10:20:07,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-04 10:20:07,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-04 10:20:07,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-04-04 10:20:07,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2024-04-04 10:20:07,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 304 states. [2024-04-04 10:20:07,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 481 states. [2024-04-04 10:20:07,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-04-04 10:20:07,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1155 states. [2024-04-04 10:20:07,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2024-04-04 10:20:07,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 409 states. [2024-04-04 10:20:07,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2024-04-04 10:20:07,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-04-04 10:20:07,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 457 states. [2024-04-04 10:20:07,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:20:18,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:20:18,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:20:18,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:20:18,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 10:20:18,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:20:18,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:20:18,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:20:18,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:20:18,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-04 10:20:18,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:20:18,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 493 states. [2024-04-04 10:20:18,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-04 10:20:18,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-04-04 10:20:18,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-04-04 10:20:18,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2024-04-04 10:20:18,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 304 states. [2024-04-04 10:20:18,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 481 states. [2024-04-04 10:20:18,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-04-04 10:20:18,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1155 states. [2024-04-04 10:20:18,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2024-04-04 10:20:18,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 409 states. [2024-04-04 10:20:18,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2024-04-04 10:20:18,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-04-04 10:20:18,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 457 states. [2024-04-04 10:20:18,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2024-04-04 10:20:18,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-04-04 10:20:18,408 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 [2024-04-04 10:20:18,408 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)] === [2024-04-04 10:20:18,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 10:20:18,408 INFO L85 PathProgramCache]: Analyzing trace with hash -328853836, now seen corresponding path program 24 times [2024-04-04 10:20:18,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 10:20:18,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135184438] [2024-04-04 10:20:18,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 10:20:18,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 10:20:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 10:20:32,268 INFO L134 CoverageAnalysis]: Checked inductivity of 15471 backedges. 9354 proven. 6106 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-04-04 10:20:32,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 10:20:32,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135184438] [2024-04-04 10:20:32,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135184438] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 10:20:32,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793323990] [2024-04-04 10:20:32,269 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 10:20:32,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 10:20:32,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 10:20:32,270 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) [2024-04-04 10:20:32,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process Received shutdown request... [2024-04-04 10:21:40,270 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 10:21:40,270 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 [2024-04-04 10:21:40,270 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 10:21:41,298 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-04 10:21:41,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2024-04-04 10:21:41,481 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forcibly destroying the process [2024-04-04 10:21:41,493 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-04 10:21:41,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-04-04 10:21:41,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [155] total 155 [2024-04-04 10:21:41,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426707] [2024-04-04 10:21:41,494 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-04-04 10:21:41,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 155 states [2024-04-04 10:21:41,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 10:21:41,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 137 [2024-04-04 10:21:41,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 155 interpolants. [2024-04-04 10:21:41,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2836, Invalid=21034, Unknown=0, NotChecked=0, Total=23870 [2024-04-04 10:21:41,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:21:41,501 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 10:21:41,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 155 states, 155 states have (on average 6.116129032258065) internal successors, (948), 155 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 10:21:41,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:21:41,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 10:21:41,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 10:21:41,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 10:21:41,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-04 10:21:41,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 10:21:41,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 10:21:41,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-04 10:21:41,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-04 10:21:41,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 10:21:41,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 493 states. [2024-04-04 10:21:41,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-04 10:21:41,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-04-04 10:21:41,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-04-04 10:21:41,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2024-04-04 10:21:41,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 304 states. [2024-04-04 10:21:41,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 481 states. [2024-04-04 10:21:41,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-04-04 10:21:41,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1155 states. [2024-04-04 10:21:41,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2024-04-04 10:21:41,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 409 states. [2024-04-04 10:21:41,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2024-04-04 10:21:41,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-04-04 10:21:41,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 457 states. [2024-04-04 10:21:41,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2024-04-04 10:21:41,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 10:21:41,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-04-04 10:21:41,503 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2024-04-04 10:21:41,507 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-04 10:21:41,507 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-04 10:21:41,507 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-04 10:21:41,507 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-04 10:21:41,511 INFO L445 BasicCegarLoop]: Path program histogram: [24, 1, 1] [2024-04-04 10:21:41,513 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 10:21:41,513 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 10:21:41,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 10:21:41 BasicIcfg [2024-04-04 10:21:41,537 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 10:21:41,538 INFO L158 Benchmark]: Toolchain (without parser) took 837334.50ms. Allocated memory was 168.8MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 92.4MB in the beginning and 799.4MB in the end (delta: -707.1MB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2024-04-04 10:21:41,538 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 168.8MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 10:21:41,538 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.92ms. Allocated memory was 168.8MB in the beginning and 241.2MB in the end (delta: 72.4MB). Free memory was 92.2MB in the beginning and 202.6MB in the end (delta: -110.4MB). Peak memory consumption was 8.7MB. Max. memory is 8.0GB. [2024-04-04 10:21:41,538 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.75ms. Allocated memory is still 241.2MB. Free memory was 202.6MB in the beginning and 200.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 10:21:41,538 INFO L158 Benchmark]: Boogie Preprocessor took 22.34ms. Allocated memory is still 241.2MB. Free memory was 200.5MB in the beginning and 198.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 10:21:41,538 INFO L158 Benchmark]: RCFGBuilder took 812.91ms. Allocated memory is still 241.2MB. Free memory was 198.4MB in the beginning and 175.3MB in the end (delta: 23.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2024-04-04 10:21:41,539 INFO L158 Benchmark]: TraceAbstraction took 836247.76ms. Allocated memory was 241.2MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 174.3MB in the beginning and 799.4MB in the end (delta: -625.2MB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2024-04-04 10:21:41,539 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 168.8MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 207.92ms. Allocated memory was 168.8MB in the beginning and 241.2MB in the end (delta: 72.4MB). Free memory was 92.2MB in the beginning and 202.6MB in the end (delta: -110.4MB). Peak memory consumption was 8.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.75ms. Allocated memory is still 241.2MB. Free memory was 202.6MB in the beginning and 200.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.34ms. Allocated memory is still 241.2MB. Free memory was 200.5MB in the beginning and 198.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 812.91ms. Allocated memory is still 241.2MB. Free memory was 198.4MB in the beginning and 175.3MB in the end (delta: 23.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * TraceAbstraction took 836247.76ms. Allocated memory was 241.2MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 174.3MB in the beginning and 799.4MB in the end (delta: -625.2MB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 392532, independent: 339992, independent conditional: 335599, independent unconditional: 4393, dependent: 52540, dependent conditional: 49483, dependent unconditional: 3057, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 340302, independent: 339992, independent conditional: 335599, independent unconditional: 4393, dependent: 310, dependent conditional: 310, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 340302, independent: 339992, independent conditional: 335599, independent unconditional: 4393, dependent: 310, dependent conditional: 310, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 340302, independent: 339992, independent conditional: 335599, independent unconditional: 4393, dependent: 310, dependent conditional: 310, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 342510, independent: 339992, independent conditional: 50417, independent unconditional: 289575, dependent: 2518, dependent conditional: 1898, dependent unconditional: 620, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 342510, independent: 339992, independent conditional: 48640, independent unconditional: 291352, dependent: 2518, dependent conditional: 572, dependent unconditional: 1946, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 342510, independent: 339992, independent conditional: 48640, independent unconditional: 291352, dependent: 2518, dependent conditional: 572, dependent unconditional: 1946, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 901, independent: 877, independent conditional: 0, independent unconditional: 877, dependent: 24, dependent conditional: 22, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 901, independent: 877, independent conditional: 0, independent unconditional: 877, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 24, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 24, dependent conditional: 22, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 24, dependent conditional: 22, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 138, dependent conditional: 87, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 342510, independent: 339115, independent conditional: 48640, independent unconditional: 290475, dependent: 2494, dependent conditional: 550, dependent unconditional: 1944, unknown: 901, unknown conditional: 22, unknown unconditional: 879] , Statistics on independence cache: Total cache size (in pairs): 901, Positive cache size: 877, Positive conditional cache size: 0, Positive unconditional cache size: 877, Negative cache size: 24, Negative conditional cache size: 22, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3103, Maximal queried relation: 11, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 342510, independent: 339992, independent conditional: 50417, independent unconditional: 289575, dependent: 2518, dependent conditional: 1898, dependent unconditional: 620, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 342510, independent: 339992, independent conditional: 48640, independent unconditional: 291352, dependent: 2518, dependent conditional: 572, dependent unconditional: 1946, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 342510, independent: 339992, independent conditional: 48640, independent unconditional: 291352, dependent: 2518, dependent conditional: 572, dependent unconditional: 1946, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 901, independent: 877, independent conditional: 0, independent unconditional: 877, dependent: 24, dependent conditional: 22, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 901, independent: 877, independent conditional: 0, independent unconditional: 877, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 24, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 24, dependent conditional: 22, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 24, dependent conditional: 22, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 138, dependent conditional: 87, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 342510, independent: 339115, independent conditional: 48640, independent unconditional: 290475, dependent: 2494, dependent conditional: 550, dependent unconditional: 1944, unknown: 901, unknown conditional: 22, unknown unconditional: 879] , Statistics on independence cache: Total cache size (in pairs): 901, Positive cache size: 877, Positive conditional cache size: 0, Positive unconditional cache size: 877, Negative cache size: 24, Negative conditional cache size: 22, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3103 ], Independence queries for same thread: 52230 - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 87]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 178 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 836.1s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 24, EmptinessCheckTime: 369.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 4971, 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: 1.6s SsaConstructionTime, 40.5s SatisfiabilityAnalysisTime, 347.0s InterpolantComputationTime, 24714 NumberOfCodeBlocks, 24346 NumberOfCodeBlocksAsserted, 263 NumberOfCheckSat, 36386 ConstructedInterpolants, 0 QuantifiedInterpolants, 202836 SizeOfPredicates, 1779 NumberOfNonLiveVariables, 26256 ConjunctsInSsa, 1797 ConjunctsInUnsatCore, 72 InterpolantComputations, 2 PerfectInterpolantSequences, 218644/355236 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown