/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 RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-06 03:09:32,802 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 03:09:32,868 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 03:09:32,874 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 03:09:32,874 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 03:09:32,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 03:09:32,906 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 03:09:32,906 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 03:09:32,907 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 03:09:32,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 03:09:32,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 03:09:32,912 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 03:09:32,912 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 03:09:32,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 03:09:32,914 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 03:09:32,914 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 03:09:32,914 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 03:09:32,914 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 03:09:32,914 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 03:09:32,914 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 03:09:32,915 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 03:09:32,915 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 03:09:32,916 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 03:09:32,916 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 03:09:32,916 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 03:09:32,917 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 03:09:32,917 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 03:09:32,917 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 03:09:32,917 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 03:09:32,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 03:09:32,918 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 03:09:32,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 03:09:32,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 03:09:32,919 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 03:09:32,919 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 03:09:32,919 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 03:09:32,919 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 03:09:32,919 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 03:09:32,919 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 03:09:32,919 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-06 03:09:33,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 03:09:33,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 03:09:33,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 03:09:33,151 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-06 03:09:33,151 INFO L274 PluginConnector]: CDTParser initialized [2024-04-06 03:09:33,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2024-04-06 03:09:34,133 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-06 03:09:34,316 INFO L384 CDTParser]: Found 1 translation units. [2024-04-06 03:09:34,316 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2024-04-06 03:09:34,325 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/602b533c6/f638c6dcd1614487be48a629c0e7ad3e/FLAG2eabbc673 [2024-04-06 03:09:34,340 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/602b533c6/f638c6dcd1614487be48a629c0e7ad3e [2024-04-06 03:09:34,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 03:09:34,345 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-06 03:09:34,346 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-06 03:09:34,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-06 03:09:34,350 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-06 03:09:34,351 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 03:09:34" (1/1) ... [2024-04-06 03:09:34,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33369f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:09:34, skipping insertion in model container [2024-04-06 03:09:34,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 03:09:34" (1/1) ... [2024-04-06 03:09:34,377 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-06 03:09:34,496 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c[2691,2704] [2024-04-06 03:09:34,502 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 03:09:34,511 INFO L202 MainTranslator]: Completed pre-run [2024-04-06 03:09:34,527 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c[2691,2704] [2024-04-06 03:09:34,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 03:09:34,535 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 03:09:34,535 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 03:09:34,541 INFO L206 MainTranslator]: Completed translation [2024-04-06 03:09:34,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:09:34 WrapperNode [2024-04-06 03:09:34,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-06 03:09:34,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 03:09:34,542 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 03:09:34,542 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 03:09:34,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:09:34" (1/1) ... [2024-04-06 03:09:34,559 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:09:34" (1/1) ... [2024-04-06 03:09:34,577 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 156 [2024-04-06 03:09:34,577 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 03:09:34,578 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 03:09:34,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 03:09:34,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 03:09:34,585 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:09:34" (1/1) ... [2024-04-06 03:09:34,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:09:34" (1/1) ... [2024-04-06 03:09:34,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:09:34" (1/1) ... [2024-04-06 03:09:34,588 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:09:34" (1/1) ... [2024-04-06 03:09:34,594 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:09:34" (1/1) ... [2024-04-06 03:09:34,602 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:09:34" (1/1) ... [2024-04-06 03:09:34,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:09:34" (1/1) ... [2024-04-06 03:09:34,605 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:09:34" (1/1) ... [2024-04-06 03:09:34,607 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 03:09:34,612 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 03:09:34,612 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 03:09:34,612 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 03:09:34,613 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:09:34" (1/1) ... [2024-04-06 03:09:34,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 03:09:34,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:09:34,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-06 03:09:34,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-06 03:09:34,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-06 03:09:34,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-06 03:09:34,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-06 03:09:34,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-06 03:09:34,759 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-06 03:09:34,759 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-06 03:09:34,759 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-06 03:09:34,759 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-06 03:09:34,759 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-06 03:09:34,759 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-06 03:09:34,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-06 03:09:34,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-06 03:09:34,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-06 03:09:34,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-06 03:09:34,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 03:09:34,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 03:09:34,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-06 03:09:34,762 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-06 03:09:34,858 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 03:09:34,860 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 03:09:35,141 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 03:09:35,163 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 03:09:35,163 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2024-04-06 03:09:35,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 03:09:35 BoogieIcfgContainer [2024-04-06 03:09:35,165 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 03:09:35,167 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 03:09:35,167 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 03:09:35,169 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 03:09:35,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 03:09:34" (1/3) ... [2024-04-06 03:09:35,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dcd94d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 03:09:35, skipping insertion in model container [2024-04-06 03:09:35,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 03:09:34" (2/3) ... [2024-04-06 03:09:35,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dcd94d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 03:09:35, skipping insertion in model container [2024-04-06 03:09:35,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 03:09:35" (3/3) ... [2024-04-06 03:09:35,171 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-sum.wvr.c [2024-04-06 03:09:35,177 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 03:09:35,184 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 03:09:35,184 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-06 03:09:35,184 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 03:09:35,238 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-06 03:09:35,283 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 03:09:35,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 03:09:35,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:09:35,284 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-06 03:09:35,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-06 03:09:35,310 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 03:09:35,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:09:35,324 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 03:09:35,331 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;@5949d896, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-06 03:09:35,331 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-06 03:09:36,086 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 03:09:36,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:09:36,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1070528268, now seen corresponding path program 1 times [2024-04-06 03:09:36,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:09:36,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095980529] [2024-04-06 03:09:36,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:09:36,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:09:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:09:36,341 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-04-06 03:09:36,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:09:36,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095980529] [2024-04-06 03:09:36,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095980529] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 03:09:36,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 03:09:36,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-06 03:09:36,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486613517] [2024-04-06 03:09:36,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 03:09:36,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-06 03:09:36,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:09:36,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-06 03:09:36,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-06 03:09:36,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:36,372 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:09:36,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 92.5) internal successors, (185), 2 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) [2024-04-06 03:09:36,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:36,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:36,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-06 03:09:36,645 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 03:09:36,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:09:36,646 INFO L85 PathProgramCache]: Analyzing trace with hash -317367272, now seen corresponding path program 1 times [2024-04-06 03:09:36,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:09:36,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792190711] [2024-04-06 03:09:36,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:09:36,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:09:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:09:37,085 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-04-06 03:09:37,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:09:37,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792190711] [2024-04-06 03:09:37,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792190711] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 03:09:37,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 03:09:37,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-06 03:09:37,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832503901] [2024-04-06 03:09:37,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 03:09:37,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-06 03:09:37,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:09:37,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-06 03:09:37,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-04-06 03:09:37,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:37,094 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:09:37,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 03:09:37,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:37,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:37,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:37,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:09:37,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-06 03:09:37,414 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 03:09:37,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:09:37,415 INFO L85 PathProgramCache]: Analyzing trace with hash 314900301, now seen corresponding path program 1 times [2024-04-06 03:09:37,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:09:37,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379628038] [2024-04-06 03:09:37,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:09:37,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:09:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:09:37,824 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-04-06 03:09:37,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:09:37,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379628038] [2024-04-06 03:09:37,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379628038] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:09:37,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266266166] [2024-04-06 03:09:37,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:09:37,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:09:37,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:09:37,866 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 03:09:37,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-06 03:09:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:09:38,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-06 03:09:38,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:09:38,333 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-04-06 03:09:38,334 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:09:38,639 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-04-06 03:09:38,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266266166] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:09:38,639 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:09:38,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-04-06 03:09:38,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879677336] [2024-04-06 03:09:38,640 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:09:38,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-06 03:09:38,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:09:38,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-06 03:09:38,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-04-06 03:09:38,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:38,645 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:09:38,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 13.166666666666666) internal successors, (316), 24 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) [2024-04-06 03:09:38,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:38,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:09:38,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:39,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:39,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:09:39,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:09:39,226 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-06 03:09:39,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-04-06 03:09:39,423 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 03:09:39,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:09:39,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1846166008, now seen corresponding path program 2 times [2024-04-06 03:09:39,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:09:39,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849925066] [2024-04-06 03:09:39,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:09:39,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:09:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:09:39,739 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-04-06 03:09:39,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:09:39,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849925066] [2024-04-06 03:09:39,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849925066] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:09:39,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966227369] [2024-04-06 03:09:39,740 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 03:09:39,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:09:39,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:09:39,741 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 03:09:39,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-06 03:09:39,877 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 03:09:39,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 03:09:39,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-06 03:09:39,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:09:40,156 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 47 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-04-06 03:09:40,156 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:09:40,466 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 47 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-04-06 03:09:40,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966227369] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:09:40,467 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:09:40,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15, 15] total 36 [2024-04-06 03:09:40,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044176744] [2024-04-06 03:09:40,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:09:40,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-04-06 03:09:40,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:09:40,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-04-06 03:09:40,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=1093, Unknown=0, NotChecked=0, Total=1260 [2024-04-06 03:09:40,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:40,470 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:09:40,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 13.472222222222221) internal successors, (485), 36 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 03:09:40,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:40,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:09:40,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:09:40,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:41,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:41,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:09:41,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:09:41,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:09:41,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-06 03:09:41,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:09:41,756 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 03:09:41,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:09:41,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1437693727, now seen corresponding path program 3 times [2024-04-06 03:09:41,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:09:41,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847360711] [2024-04-06 03:09:41,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:09:41,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:09:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:09:42,178 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 83 proven. 77 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-04-06 03:09:42,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:09:42,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847360711] [2024-04-06 03:09:42,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847360711] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:09:42,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459312377] [2024-04-06 03:09:42,180 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 03:09:42,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:09:42,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:09:42,181 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 03:09:42,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-06 03:09:42,499 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-04-06 03:09:42,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 03:09:42,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-06 03:09:42,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:09:42,720 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 121 proven. 15 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-04-06 03:09:42,720 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:09:42,909 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 121 proven. 15 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-04-06 03:09:42,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459312377] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:09:42,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:09:42,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 11] total 31 [2024-04-06 03:09:42,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643592238] [2024-04-06 03:09:42,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:09:42,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-04-06 03:09:42,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:09:42,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-04-06 03:09:42,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=849, Unknown=0, NotChecked=0, Total=930 [2024-04-06 03:09:42,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:42,917 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:09:42,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 16.06451612903226) internal successors, (498), 31 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 03:09:42,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:42,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:09:42,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:09:42,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:09:42,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:44,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:44,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:09:44,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:09:44,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:09:44,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-04-06 03:09:44,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-06 03:09:45,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:09:45,084 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 03:09:45,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:09:45,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1696011691, now seen corresponding path program 4 times [2024-04-06 03:09:45,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:09:45,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984734879] [2024-04-06 03:09:45,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:09:45,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:09:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:09:45,578 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 114 proven. 43 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-04-06 03:09:45,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:09:45,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984734879] [2024-04-06 03:09:45,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984734879] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:09:45,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041533326] [2024-04-06 03:09:45,578 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 03:09:45,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:09:45,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:09:45,580 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 03:09:45,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-06 03:09:45,717 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 03:09:45,718 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 03:09:45,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-06 03:09:45,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:09:46,229 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 133 proven. 24 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-04-06 03:09:46,229 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:09:46,741 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 133 proven. 24 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-04-06 03:09:46,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041533326] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:09:46,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:09:46,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 44 [2024-04-06 03:09:46,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027087399] [2024-04-06 03:09:46,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:09:46,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-04-06 03:09:46,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:09:46,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-04-06 03:09:46,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=1570, Unknown=0, NotChecked=0, Total=1892 [2024-04-06 03:09:46,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:46,744 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:09:46,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 10.386363636363637) internal successors, (457), 44 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 03:09:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:09:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:09:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:09:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-04-06 03:09:46,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:47,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:47,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:09:47,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:09:47,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:09:47,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-04-06 03:09:47,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:09:47,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-06 03:09:47,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-04-06 03:09:47,631 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 03:09:47,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:09:47,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1024573568, now seen corresponding path program 5 times [2024-04-06 03:09:47,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:09:47,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110365167] [2024-04-06 03:09:47,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:09:47,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:09:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:09:48,149 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 42 proven. 137 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-04-06 03:09:48,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:09:48,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110365167] [2024-04-06 03:09:48,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110365167] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:09:48,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736242288] [2024-04-06 03:09:48,149 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 03:09:48,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:09:48,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:09:48,151 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 03:09:48,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-06 03:09:49,023 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-04-06 03:09:49,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 03:09:49,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 16 conjunts are in the unsatisfiable core [2024-04-06 03:09:49,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:09:49,482 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 29 proven. 105 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-04-06 03:09:49,483 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:09:49,702 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-06 03:09:49,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1736242288] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:09:49,702 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:09:49,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 8] total 39 [2024-04-06 03:09:49,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072905875] [2024-04-06 03:09:49,703 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:09:49,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-04-06 03:09:49,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:09:49,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-04-06 03:09:49,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1363, Unknown=0, NotChecked=0, Total=1482 [2024-04-06 03:09:49,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:49,705 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:09:49,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 13.512820512820513) internal successors, (527), 39 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 03:09:49,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:49,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:09:49,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:09:49,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:09:49,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-04-06 03:09:49,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:09:49,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:53,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:53,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:09:53,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:09:53,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:09:53,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-04-06 03:09:53,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:09:53,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-04-06 03:09:53,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-04-06 03:09:54,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:09:54,082 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 03:09:54,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:09:54,083 INFO L85 PathProgramCache]: Analyzing trace with hash -371009904, now seen corresponding path program 6 times [2024-04-06 03:09:54,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:09:54,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072887600] [2024-04-06 03:09:54,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:09:54,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:09:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:09:54,744 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 297 proven. 74 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-04-06 03:09:54,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:09:54,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072887600] [2024-04-06 03:09:54,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072887600] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:09:54,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042907746] [2024-04-06 03:09:54,745 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 03:09:54,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:09:54,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:09:54,746 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 03:09:54,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-06 03:09:55,237 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-04-06 03:09:55,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 03:09:55,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 54 conjunts are in the unsatisfiable core [2024-04-06 03:09:55,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:09:56,199 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 401 proven. 46 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-04-06 03:09:56,199 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:09:56,886 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 357 proven. 46 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-04-06 03:09:56,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042907746] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:09:56,886 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:09:56,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 34, 27] total 70 [2024-04-06 03:09:56,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227087630] [2024-04-06 03:09:56,887 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:09:56,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-04-06 03:09:56,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:09:56,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-04-06 03:09:56,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=703, Invalid=4127, Unknown=0, NotChecked=0, Total=4830 [2024-04-06 03:09:56,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:56,894 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:09:56,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 11.214285714285714) internal successors, (785), 70 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 03:09:56,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:56,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:09:56,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:09:56,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:09:56,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2024-04-06 03:09:56,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:09:56,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-04-06 03:09:56,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:58,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:09:58,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:09:58,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:09:58,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:09:58,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-04-06 03:09:58,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:09:58,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-04-06 03:09:58,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:09:58,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-06 03:09:58,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-04-06 03:09:58,457 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 03:09:58,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:09:58,457 INFO L85 PathProgramCache]: Analyzing trace with hash -255882075, now seen corresponding path program 7 times [2024-04-06 03:09:58,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:09:58,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073280022] [2024-04-06 03:09:58,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:09:58,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:09:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:09:59,285 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 121 proven. 382 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-04-06 03:09:59,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:09:59,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073280022] [2024-04-06 03:09:59,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073280022] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:09:59,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910574120] [2024-04-06 03:09:59,286 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 03:09:59,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:09:59,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:09:59,287 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 03:09:59,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-06 03:09:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:09:59,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-06 03:09:59,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:10:00,456 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 182 proven. 328 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2024-04-06 03:10:00,457 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:10:01,342 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 225 proven. 285 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2024-04-06 03:10:01,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910574120] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:10:01,343 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:10:01,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 29, 29] total 69 [2024-04-06 03:10:01,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623140931] [2024-04-06 03:10:01,343 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:10:01,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2024-04-06 03:10:01,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:10:01,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2024-04-06 03:10:01,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=754, Invalid=3938, Unknown=0, NotChecked=0, Total=4692 [2024-04-06 03:10:01,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:10:01,346 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:10:01,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 10.304347826086957) internal successors, (711), 69 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 03:10:01,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:10:01,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:10:01,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:10:01,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:10:01,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2024-04-06 03:10:01,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:10:01,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-04-06 03:10:01,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:10:01,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:10:03,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:10:03,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:10:03,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:10:03,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:10:03,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-04-06 03:10:03,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:10:03,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-06 03:10:03,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:10:03,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-06 03:10:03,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-06 03:10:04,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:10:04,029 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 03:10:04,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:10:04,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1678473425, now seen corresponding path program 8 times [2024-04-06 03:10:04,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:10:04,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924559414] [2024-04-06 03:10:04,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:10:04,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:10:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:10:05,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1302 backedges. 753 proven. 209 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-04-06 03:10:05,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:10:05,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924559414] [2024-04-06 03:10:05,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924559414] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:10:05,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612709127] [2024-04-06 03:10:05,217 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 03:10:05,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:10:05,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:10:05,221 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 03:10:05,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-06 03:10:05,434 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 03:10:05,434 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 03:10:05,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 971 conjuncts, 34 conjunts are in the unsatisfiable core [2024-04-06 03:10:05,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:10:06,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1302 backedges. 808 proven. 154 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-04-06 03:10:06,628 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:10:07,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1302 backedges. 808 proven. 154 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-04-06 03:10:07,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612709127] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:10:07,557 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:10:07,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 84 [2024-04-06 03:10:07,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719243309] [2024-04-06 03:10:07,557 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:10:07,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-04-06 03:10:07,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:10:07,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-04-06 03:10:07,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1042, Invalid=5930, Unknown=0, NotChecked=0, Total=6972 [2024-04-06 03:10:07,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:10:07,561 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:10:07,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 8.702380952380953) internal successors, (731), 84 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 03:10:07,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:10:07,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:10:07,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:10:07,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:10:07,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-04-06 03:10:07,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:10:07,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-06 03:10:07,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:10:07,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-06 03:10:07,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:10:08,979 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 03:10:08,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 75 [2024-04-06 03:10:11,396 INFO L85 PathProgramCache]: Analyzing trace with hash 44873121, now seen corresponding path program 1 times [2024-04-06 03:10:11,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:10:11,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:10:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:10:12,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1355 backedges. 644 proven. 282 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2024-04-06 03:10:12,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:10:12,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:10:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:10:13,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1355 backedges. 644 proven. 282 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2024-04-06 03:10:13,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:10:13,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:10:13,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:10:13,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:10:13,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-04-06 03:10:13,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:10:13,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-06 03:10:13,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:10:13,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-06 03:10:13,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 03:10:13,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-06 03:10:13,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-04-06 03:10:13,729 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 03:10:13,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:10:13,730 INFO L85 PathProgramCache]: Analyzing trace with hash 2130211940, now seen corresponding path program 9 times [2024-04-06 03:10:13,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:10:13,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653679098] [2024-04-06 03:10:13,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:10:13,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:10:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:10:15,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 767 proven. 277 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2024-04-06 03:10:15,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:10:15,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653679098] [2024-04-06 03:10:15,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653679098] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:10:15,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1897580897] [2024-04-06 03:10:15,002 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 03:10:15,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:10:15,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:10:15,003 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 03:10:15,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-06 03:10:15,363 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-04-06 03:10:15,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 03:10:15,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-06 03:10:15,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:10:15,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 399 proven. 23 refuted. 0 times theorem prover too weak. 1030 trivial. 0 not checked. [2024-04-06 03:10:15,583 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:10:15,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 399 proven. 23 refuted. 0 times theorem prover too weak. 1030 trivial. 0 not checked. [2024-04-06 03:10:15,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1897580897] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:10:15,799 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:10:15,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 10, 10] total 50 [2024-04-06 03:10:15,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303020224] [2024-04-06 03:10:15,799 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:10:15,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-04-06 03:10:15,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:10:15,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-04-06 03:10:15,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=2217, Unknown=0, NotChecked=0, Total=2450 [2024-04-06 03:10:15,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:10:15,802 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:10:15,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 12.6) internal successors, (630), 50 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 03:10:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:10:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:10:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:10:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:10:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-04-06 03:10:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:10:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-06 03:10:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:10:15,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-06 03:10:15,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 03:10:15,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:10:21,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:10:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:10:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:10:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:10:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-06 03:10:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:10:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-06 03:10:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:10:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-06 03:10:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 03:10:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-04-06 03:10:21,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-06 03:10:21,545 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,SelfDestructingSolverStorable12 [2024-04-06 03:10:21,546 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 03:10:21,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:10:21,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1231373983, now seen corresponding path program 1 times [2024-04-06 03:10:21,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:10:21,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584195254] [2024-04-06 03:10:21,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:10:21,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:10:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:10:23,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2275 backedges. 1304 proven. 368 refuted. 0 times theorem prover too weak. 603 trivial. 0 not checked. [2024-04-06 03:10:23,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:10:23,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584195254] [2024-04-06 03:10:23,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584195254] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:10:23,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115319878] [2024-04-06 03:10:23,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:10:23,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:10:23,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:10:23,053 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 03:10:23,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-06 03:10:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:10:23,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 42 conjunts are in the unsatisfiable core [2024-04-06 03:10:23,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:10:24,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2275 backedges. 1411 proven. 261 refuted. 0 times theorem prover too weak. 603 trivial. 0 not checked. [2024-04-06 03:10:24,859 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:10:26,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2275 backedges. 1411 proven. 261 refuted. 0 times theorem prover too weak. 603 trivial. 0 not checked. [2024-04-06 03:10:26,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115319878] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:10:26,171 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:10:26,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43, 43] total 104 [2024-04-06 03:10:26,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285619854] [2024-04-06 03:10:26,172 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:10:26,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2024-04-06 03:10:26,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:10:26,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2024-04-06 03:10:26,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1558, Invalid=9154, Unknown=0, NotChecked=0, Total=10712 [2024-04-06 03:10:26,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:10:26,177 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:10:26,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 104 states, 104 states have (on average 8.086538461538462) internal successors, (841), 104 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 03:10:26,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:10:26,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:10:26,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:10:26,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:10:26,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-06 03:10:26,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:10:26,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-06 03:10:26,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:10:26,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-06 03:10:26,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 03:10:26,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-04-06 03:10:26,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:10:28,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:10:28,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:10:28,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:10:28,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:10:28,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-06 03:10:28,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:10:28,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-06 03:10:28,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:10:28,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-06 03:10:28,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 03:10:28,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-04-06 03:10:28,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 03:10:28,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-06 03:10:28,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:10:28,291 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 03:10:28,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:10:28,291 INFO L85 PathProgramCache]: Analyzing trace with hash -809562090, now seen corresponding path program 2 times [2024-04-06 03:10:28,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:10:28,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077275209] [2024-04-06 03:10:28,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:10:28,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:10:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:10:29,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2467 backedges. 1321 proven. 436 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2024-04-06 03:10:29,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:10:29,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077275209] [2024-04-06 03:10:29,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077275209] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:10:29,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85958102] [2024-04-06 03:10:29,949 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 03:10:29,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:10:29,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:10:29,950 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 03:10:29,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-06 03:10:30,220 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 03:10:30,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 03:10:30,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 1197 conjuncts, 46 conjunts are in the unsatisfiable core [2024-04-06 03:10:30,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:10:32,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2467 backedges. 1432 proven. 325 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2024-04-06 03:10:32,058 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:10:33,524 INFO L134 CoverageAnalysis]: Checked inductivity of 2467 backedges. 1432 proven. 325 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2024-04-06 03:10:33,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85958102] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:10:33,524 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:10:33,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 114 [2024-04-06 03:10:33,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083359739] [2024-04-06 03:10:33,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:10:33,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2024-04-06 03:10:33,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:10:33,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2024-04-06 03:10:33,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1855, Invalid=11027, Unknown=0, NotChecked=0, Total=12882 [2024-04-06 03:10:33,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:10:33,530 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:10:33,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 7.675438596491228) internal successors, (875), 114 states have internal predecessors, (875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 03:10:33,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:10:33,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:10:33,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:10:33,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:10:33,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-06 03:10:33,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:10:33,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-06 03:10:33,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:10:33,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-06 03:10:33,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 03:10:33,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-04-06 03:10:33,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 03:10:33,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:10:35,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:10:35,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:10:35,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:10:35,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:10:35,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-06 03:10:35,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:10:35,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-06 03:10:35,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:10:35,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-06 03:10:35,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 03:10:35,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-04-06 03:10:35,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 03:10:35,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 03:10:35,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-06 03:10:35,708 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,SelfDestructingSolverStorable14 [2024-04-06 03:10:35,708 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 03:10:35,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:10:35,709 INFO L85 PathProgramCache]: Analyzing trace with hash -125682495, now seen corresponding path program 3 times [2024-04-06 03:10:35,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:10:35,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215773203] [2024-04-06 03:10:35,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:10:35,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:10:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:10:37,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2680 backedges. 1346 proven. 527 refuted. 0 times theorem prover too weak. 807 trivial. 0 not checked. [2024-04-06 03:10:37,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:10:37,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215773203] [2024-04-06 03:10:37,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215773203] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:10:37,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631595188] [2024-04-06 03:10:37,606 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 03:10:37,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:10:37,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:10:37,607 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 03:10:37,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-06 03:10:38,647 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-06 03:10:38,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 03:10:38,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-06 03:10:38,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:10:39,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2680 backedges. 824 proven. 230 refuted. 0 times theorem prover too weak. 1626 trivial. 0 not checked. [2024-04-06 03:10:39,281 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:10:40,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2680 backedges. 839 proven. 215 refuted. 0 times theorem prover too weak. 1626 trivial. 0 not checked. [2024-04-06 03:10:40,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631595188] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:10:40,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:10:40,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 20, 20] total 72 [2024-04-06 03:10:40,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221800915] [2024-04-06 03:10:40,051 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:10:40,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2024-04-06 03:10:40,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:10:40,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2024-04-06 03:10:40,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=389, Invalid=4723, Unknown=0, NotChecked=0, Total=5112 [2024-04-06 03:10:40,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:10:40,054 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:10:40,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 10.805555555555555) internal successors, (778), 72 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 03:10:40,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:10:40,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:10:40,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:10:40,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:10:40,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-06 03:10:40,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:10:40,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-06 03:10:40,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:10:40,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-06 03:10:40,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 03:10:40,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-04-06 03:10:40,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 03:10:40,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 03:10:40,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:10:51,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:10:51,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:10:51,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:10:51,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:10:51,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-06 03:10:51,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:10:51,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-06 03:10:51,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:10:51,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-06 03:10:51,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 03:10:51,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-04-06 03:10:51,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 03:10:51,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 03:10:51,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2024-04-06 03:10:51,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-06 03:10:52,006 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,SelfDestructingSolverStorable15 [2024-04-06 03:10:52,007 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 03:10:52,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:10:52,007 INFO L85 PathProgramCache]: Analyzing trace with hash 121416336, now seen corresponding path program 4 times [2024-04-06 03:10:52,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:10:52,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301667893] [2024-04-06 03:10:52,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:10:52,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:10:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:10:54,466 INFO L134 CoverageAnalysis]: Checked inductivity of 3872 backedges. 2160 proven. 613 refuted. 0 times theorem prover too weak. 1099 trivial. 0 not checked. [2024-04-06 03:10:54,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:10:54,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301667893] [2024-04-06 03:10:54,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301667893] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:10:54,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403892947] [2024-04-06 03:10:54,467 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 03:10:54,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:10:54,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:10:54,468 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 03:10:54,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-06 03:10:54,764 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 03:10:54,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 03:10:54,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 1306 conjuncts, 54 conjunts are in the unsatisfiable core [2024-04-06 03:10:54,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:10:56,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3872 backedges. 2299 proven. 474 refuted. 0 times theorem prover too weak. 1099 trivial. 0 not checked. [2024-04-06 03:10:56,960 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:10:58,849 INFO L134 CoverageAnalysis]: Checked inductivity of 3872 backedges. 2299 proven. 474 refuted. 0 times theorem prover too weak. 1099 trivial. 0 not checked. [2024-04-06 03:10:58,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403892947] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:10:58,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:10:58,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55, 55] total 134 [2024-04-06 03:10:58,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152197259] [2024-04-06 03:10:58,856 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:10:58,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 134 states [2024-04-06 03:10:58,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:10:58,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2024-04-06 03:10:58,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2527, Invalid=15295, Unknown=0, NotChecked=0, Total=17822 [2024-04-06 03:10:58,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:10:58,863 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:10:58,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 134 states, 134 states have (on average 7.5) internal successors, (1005), 134 states have internal predecessors, (1005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 03:10:58,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:10:58,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:10:58,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:10:58,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:10:58,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-06 03:10:58,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:10:58,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-06 03:10:58,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:10:58,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-06 03:10:58,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 03:10:58,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-04-06 03:10:58,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 03:10:58,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 03:10:58,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2024-04-06 03:10:58,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:11:01,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:11:01,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:11:01,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:11:01,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:11:01,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-06 03:11:01,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:11:01,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-06 03:11:01,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:11:01,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-06 03:11:01,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 03:11:01,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-04-06 03:11:01,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 03:11:01,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 03:11:01,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2024-04-06 03:11:01,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-06 03:11:01,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-06 03:11:01,796 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,SelfDestructingSolverStorable16 [2024-04-06 03:11:01,796 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 03:11:01,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:11:01,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1839074629, now seen corresponding path program 5 times [2024-04-06 03:11:01,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:11:01,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814568203] [2024-04-06 03:11:01,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:11:01,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:11:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:11:04,397 INFO L134 CoverageAnalysis]: Checked inductivity of 4127 backedges. 2225 proven. 718 refuted. 0 times theorem prover too weak. 1184 trivial. 0 not checked. [2024-04-06 03:11:04,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:11:04,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814568203] [2024-04-06 03:11:04,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814568203] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:11:04,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375924337] [2024-04-06 03:11:04,398 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 03:11:04,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:11:04,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:11:04,399 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 03:11:04,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-06 03:11:25,054 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-04-06 03:11:25,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 03:11:25,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 19 conjunts are in the unsatisfiable core [2024-04-06 03:11:25,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:11:25,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4127 backedges. 1496 proven. 68 refuted. 0 times theorem prover too weak. 2563 trivial. 0 not checked. [2024-04-06 03:11:25,617 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:11:26,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4127 backedges. 1499 proven. 58 refuted. 0 times theorem prover too weak. 2570 trivial. 0 not checked. [2024-04-06 03:11:26,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375924337] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:11:26,093 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:11:26,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 16, 15] total 77 [2024-04-06 03:11:26,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433158056] [2024-04-06 03:11:26,093 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:11:26,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-04-06 03:11:26,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:11:26,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-04-06 03:11:26,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=485, Invalid=5367, Unknown=0, NotChecked=0, Total=5852 [2024-04-06 03:11:26,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:11:26,096 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:11:26,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 10.207792207792208) internal successors, (786), 77 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 03:11:26,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:11:26,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:11:26,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:11:26,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:11:26,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-06 03:11:26,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:11:26,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-06 03:11:26,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:11:26,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-06 03:11:26,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 03:11:26,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-04-06 03:11:26,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 03:11:26,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 03:11:26,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2024-04-06 03:11:26,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-06 03:11:26,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:11:35,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:11:35,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:11:35,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:11:35,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:11:35,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-06 03:11:35,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:11:35,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-06 03:11:35,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:11:35,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-06 03:11:35,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 03:11:35,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-04-06 03:11:35,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 03:11:35,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 03:11:35,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2024-04-06 03:11:35,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-06 03:11:35,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2024-04-06 03:11:35,081 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-04-06 03:11:35,267 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,SelfDestructingSolverStorable17 [2024-04-06 03:11:35,268 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)] === [2024-04-06 03:11:35,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:11:35,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1105900008, now seen corresponding path program 6 times [2024-04-06 03:11:35,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:11:35,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282433964] [2024-04-06 03:11:35,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:11:35,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:11:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:11:38,458 INFO L134 CoverageAnalysis]: Checked inductivity of 5487 backedges. 3019 proven. 892 refuted. 0 times theorem prover too weak. 1576 trivial. 0 not checked. [2024-04-06 03:11:38,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:11:38,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282433964] [2024-04-06 03:11:38,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282433964] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:11:38,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953858968] [2024-04-06 03:11:38,459 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 03:11:38,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:11:38,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:11:38,460 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) [2024-04-06 03:11:38,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-06 03:11:54,744 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2024-04-06 03:11:54,745 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 03:11:54,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 1463 conjuncts, 43 conjunts are in the unsatisfiable core [2024-04-06 03:11:54,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:11:56,189 INFO L134 CoverageAnalysis]: Checked inductivity of 5487 backedges. 1800 proven. 607 refuted. 0 times theorem prover too weak. 3080 trivial. 0 not checked. [2024-04-06 03:11:56,189 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:11:56,821 INFO L134 CoverageAnalysis]: Checked inductivity of 5487 backedges. 1774 proven. 270 refuted. 0 times theorem prover too weak. 3443 trivial. 0 not checked. [2024-04-06 03:11:56,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953858968] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:11:56,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:11:56,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 34, 12] total 105 [2024-04-06 03:11:56,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427025839] [2024-04-06 03:11:56,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:11:56,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 105 states [2024-04-06 03:11:56,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:11:56,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2024-04-06 03:11:56,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=639, Invalid=10281, Unknown=0, NotChecked=0, Total=10920 [2024-04-06 03:11:56,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:11:56,826 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:11:56,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 105 states, 105 states have (on average 9.123809523809523) internal successors, (958), 105 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 03:11:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:11:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:11:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:11:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:11:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-06 03:11:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:11:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-06 03:11:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:11:56,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-06 03:11:56,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 03:11:56,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-04-06 03:11:56,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 03:11:56,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 03:11:56,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2024-04-06 03:11:56,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-06 03:11:56,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2024-04-06 03:11:56,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:12:07,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:12:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:12:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:12:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:12:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-06 03:12:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:12:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-06 03:12:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:12:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-06 03:12:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 03:12:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-04-06 03:12:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 03:12:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 03:12:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2024-04-06 03:12:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-06 03:12:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2024-04-06 03:12:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-04-06 03:12:07,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-04-06 03:12:08,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:12:08,008 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)] === [2024-04-06 03:12:08,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:12:08,009 INFO L85 PathProgramCache]: Analyzing trace with hash 165539703, now seen corresponding path program 7 times [2024-04-06 03:12:08,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:12:08,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168915039] [2024-04-06 03:12:08,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:12:08,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:12:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:12:10,068 INFO L134 CoverageAnalysis]: Checked inductivity of 3704 backedges. 442 proven. 1717 refuted. 0 times theorem prover too weak. 1545 trivial. 0 not checked. [2024-04-06 03:12:10,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:12:10,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168915039] [2024-04-06 03:12:10,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168915039] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:12:10,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895538208] [2024-04-06 03:12:10,069 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 03:12:10,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:12:10,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:12:10,070 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) [2024-04-06 03:12:10,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-04-06 03:12:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:12:10,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 1369 conjuncts, 56 conjunts are in the unsatisfiable core [2024-04-06 03:12:10,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:12:13,054 INFO L134 CoverageAnalysis]: Checked inductivity of 3704 backedges. 758 proven. 1443 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2024-04-06 03:12:13,055 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:12:15,314 INFO L134 CoverageAnalysis]: Checked inductivity of 3704 backedges. 857 proven. 1344 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2024-04-06 03:12:15,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895538208] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:12:15,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:12:15,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 57, 57] total 137 [2024-04-06 03:12:15,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137860553] [2024-04-06 03:12:15,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:12:15,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2024-04-06 03:12:15,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:12:15,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2024-04-06 03:12:15,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2878, Invalid=15754, Unknown=0, NotChecked=0, Total=18632 [2024-04-06 03:12:15,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:12:15,319 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:12:15,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 137 states have (on average 8.226277372262773) internal successors, (1127), 137 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 03:12:15,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:12:15,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:12:15,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:12:15,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:12:15,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-06 03:12:15,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:12:15,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-06 03:12:15,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:12:15,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-06 03:12:15,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 03:12:15,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-04-06 03:12:15,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 03:12:15,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 03:12:15,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2024-04-06 03:12:15,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-06 03:12:15,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2024-04-06 03:12:15,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2024-04-06 03:12:15,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:12:21,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:12:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:12:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:12:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:12:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-06 03:12:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:12:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-06 03:12:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:12:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-06 03:12:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 03:12:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-04-06 03:12:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 03:12:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 03:12:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2024-04-06 03:12:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-06 03:12:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2024-04-06 03:12:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2024-04-06 03:12:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2024-04-06 03:12:21,350 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-04-06 03:12:21,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:12:21,544 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)] === [2024-04-06 03:12:21,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:12:21,545 INFO L85 PathProgramCache]: Analyzing trace with hash 950612631, now seen corresponding path program 10 times [2024-04-06 03:12:21,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:12:21,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626758797] [2024-04-06 03:12:21,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:12:21,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:12:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:12:24,852 INFO L134 CoverageAnalysis]: Checked inductivity of 4861 backedges. 2484 proven. 877 refuted. 0 times theorem prover too weak. 1500 trivial. 0 not checked. [2024-04-06 03:12:24,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:12:24,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626758797] [2024-04-06 03:12:24,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626758797] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:12:24,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424655674] [2024-04-06 03:12:24,852 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 03:12:24,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:12:24,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:12:24,854 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) [2024-04-06 03:12:24,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-04-06 03:12:25,181 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 03:12:25,181 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 03:12:25,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 1438 conjuncts, 66 conjunts are in the unsatisfiable core [2024-04-06 03:12:25,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 03:12:28,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4861 backedges. 2611 proven. 750 refuted. 0 times theorem prover too weak. 1500 trivial. 0 not checked. [2024-04-06 03:12:28,253 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 03:12:30,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4861 backedges. 2611 proven. 750 refuted. 0 times theorem prover too weak. 1500 trivial. 0 not checked. [2024-04-06 03:12:30,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424655674] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 03:12:30,861 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 03:12:30,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 67, 67] total 164 [2024-04-06 03:12:30,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288405174] [2024-04-06 03:12:30,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 03:12:30,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 164 states [2024-04-06 03:12:30,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:12:30,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2024-04-06 03:12:30,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3730, Invalid=23002, Unknown=0, NotChecked=0, Total=26732 [2024-04-06 03:12:30,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:12:30,865 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:12:30,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 164 states, 164 states have (on average 7.640243902439025) internal successors, (1253), 164 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 03:12:30,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:12:30,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:12:30,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:12:30,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:12:30,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-06 03:12:30,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:12:30,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-06 03:12:30,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:12:30,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-06 03:12:30,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 03:12:30,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-04-06 03:12:30,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 03:12:30,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 03:12:30,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2024-04-06 03:12:30,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-06 03:12:30,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2024-04-06 03:12:30,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 244 states. [2024-04-06 03:12:30,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2024-04-06 03:12:30,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:12:33,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:12:33,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:12:33,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:12:33,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:12:33,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-06 03:12:33,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:12:33,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-06 03:12:33,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:12:33,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-06 03:12:33,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 03:12:33,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-04-06 03:12:33,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 03:12:33,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 03:12:33,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2024-04-06 03:12:33,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-06 03:12:33,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2024-04-06 03:12:33,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2024-04-06 03:12:33,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2024-04-06 03:12:33,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-06 03:12:33,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-04-06 03:12:33,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-04-06 03:12:33,337 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)] === [2024-04-06 03:12:33,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 03:12:33,338 INFO L85 PathProgramCache]: Analyzing trace with hash 841309890, now seen corresponding path program 11 times [2024-04-06 03:12:33,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 03:12:33,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72570988] [2024-04-06 03:12:33,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 03:12:33,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 03:12:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 03:12:36,623 INFO L134 CoverageAnalysis]: Checked inductivity of 5179 backedges. 696 proven. 2771 refuted. 0 times theorem prover too weak. 1712 trivial. 0 not checked. [2024-04-06 03:12:36,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 03:12:36,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72570988] [2024-04-06 03:12:36,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72570988] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 03:12:36,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793724303] [2024-04-06 03:12:36,624 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 03:12:36,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 03:12:36,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 03:12:36,626 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) [2024-04-06 03:12:36,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process Received shutdown request... [2024-04-06 03:23:48,190 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-06 03:23:48,190 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-06 03:23:48,190 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-06 03:23:49,211 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 [2024-04-06 03:23:49,212 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2024-04-06 03:23:49,391 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forcibly destroying the process [2024-04-06 03:23:49,424 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-06 03:23:49,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-04-06 03:23:49,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2024-04-06 03:23:49,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032598443] [2024-04-06 03:23:49,424 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-04-06 03:23:49,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-04-06 03:23:49,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 03:23:49,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-04-06 03:23:49,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=3866, Unknown=0, NotChecked=0, Total=4422 [2024-04-06 03:23:49,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:23:49,426 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 03:23:49,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 9.492537313432836) internal successors, (636), 67 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 03:23:49,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:23:49,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 03:23:49,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 03:23:49,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-06 03:23:49,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-06 03:23:49,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 03:23:49,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-06 03:23:49,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-06 03:23:49,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-06 03:23:49,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 03:23:49,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-04-06 03:23:49,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 03:23:49,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 03:23:49,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2024-04-06 03:23:49,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-06 03:23:49,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2024-04-06 03:23:49,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 244 states. [2024-04-06 03:23:49,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2024-04-06 03:23:49,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-06 03:23:49,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 03:23:49,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 137 [2024-04-06 03:23:49,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-04-06 03:23:49,430 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2024-04-06 03:23:49,432 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-06 03:23:49,432 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-06 03:23:49,432 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-06 03:23:49,432 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-06 03:23:49,435 INFO L445 BasicCegarLoop]: Path program histogram: [11, 7, 1, 1, 1] [2024-04-06 03:23:49,437 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-06 03:23:49,437 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-06 03:23:49,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 03:23:49 BasicIcfg [2024-04-06 03:23:49,439 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-06 03:23:49,439 INFO L158 Benchmark]: Toolchain (without parser) took 855094.38ms. Allocated memory was 167.8MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 101.5MB in the beginning and 1.1GB in the end (delta: -967.4MB). Peak memory consumption was 478.5MB. Max. memory is 8.0GB. [2024-04-06 03:23:49,439 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 167.8MB. Free memory was 105.8MB in the beginning and 105.7MB in the end (delta: 161.1kB). There was no memory consumed. Max. memory is 8.0GB. [2024-04-06 03:23:49,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 195.18ms. Allocated memory is still 167.8MB. Free memory was 101.3MB in the beginning and 89.3MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-06 03:23:49,440 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.32ms. Allocated memory is still 167.8MB. Free memory was 89.3MB in the beginning and 87.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-06 03:23:49,440 INFO L158 Benchmark]: Boogie Preprocessor took 29.25ms. Allocated memory is still 167.8MB. Free memory was 87.3MB in the beginning and 85.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-06 03:23:49,440 INFO L158 Benchmark]: RCFGBuilder took 552.54ms. Allocated memory was 167.8MB in the beginning and 229.6MB in the end (delta: 61.9MB). Free memory was 85.3MB in the beginning and 181.3MB in the end (delta: -95.9MB). Peak memory consumption was 8.7MB. Max. memory is 8.0GB. [2024-04-06 03:23:49,440 INFO L158 Benchmark]: TraceAbstraction took 854272.44ms. Allocated memory was 229.6MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 179.7MB in the beginning and 1.1GB in the end (delta: -889.2MB). Peak memory consumption was 494.9MB. Max. memory is 8.0GB. [2024-04-06 03:23:49,441 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 167.8MB. Free memory was 105.8MB in the beginning and 105.7MB in the end (delta: 161.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 195.18ms. Allocated memory is still 167.8MB. Free memory was 101.3MB in the beginning and 89.3MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.32ms. Allocated memory is still 167.8MB. Free memory was 89.3MB in the beginning and 87.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.25ms. Allocated memory is still 167.8MB. Free memory was 87.3MB in the beginning and 85.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 552.54ms. Allocated memory was 167.8MB in the beginning and 229.6MB in the end (delta: 61.9MB). Free memory was 85.3MB in the beginning and 181.3MB in the end (delta: -95.9MB). Peak memory consumption was 8.7MB. Max. memory is 8.0GB. * TraceAbstraction took 854272.44ms. Allocated memory was 229.6MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 179.7MB in the beginning and 1.1GB in the end (delta: -889.2MB). Peak memory consumption was 494.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 930187, independent: 845729, independent conditional: 840727, independent unconditional: 5002, dependent: 84458, dependent conditional: 80795, dependent unconditional: 3663, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 848012, independent: 845729, independent conditional: 840727, independent unconditional: 5002, dependent: 2283, dependent conditional: 2283, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 848012, independent: 845729, independent conditional: 840727, independent unconditional: 5002, dependent: 2283, dependent conditional: 2283, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 848012, independent: 845729, independent conditional: 840727, independent unconditional: 5002, dependent: 2283, dependent conditional: 2283, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 864667, independent: 845729, independent conditional: 50463, independent unconditional: 795266, dependent: 18938, dependent conditional: 12912, dependent unconditional: 6026, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 864667, independent: 845729, independent conditional: 50291, independent unconditional: 795438, dependent: 18938, dependent conditional: 10290, dependent unconditional: 8648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 864667, independent: 845729, independent conditional: 50291, independent unconditional: 795438, dependent: 18938, dependent conditional: 10290, dependent unconditional: 8648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1550, independent: 1307, independent conditional: 22, independent unconditional: 1285, dependent: 243, dependent conditional: 233, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1550, independent: 1287, independent conditional: 0, independent unconditional: 1287, dependent: 263, dependent conditional: 0, dependent unconditional: 263, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 263, independent: 20, independent conditional: 20, independent unconditional: 0, dependent: 243, dependent conditional: 233, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 263, independent: 20, independent conditional: 20, independent unconditional: 0, dependent: 243, dependent conditional: 233, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 542, independent: 34, independent conditional: 34, independent unconditional: 0, dependent: 508, dependent conditional: 445, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 864667, independent: 844422, independent conditional: 50269, independent unconditional: 794153, dependent: 18695, dependent conditional: 10057, dependent unconditional: 8638, unknown: 1550, unknown conditional: 255, unknown unconditional: 1295] , Statistics on independence cache: Total cache size (in pairs): 1550, Positive cache size: 1307, Positive conditional cache size: 22, Positive unconditional cache size: 1285, Negative cache size: 243, Negative conditional cache size: 233, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2794, Maximal queried relation: 8, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 864667, independent: 845729, independent conditional: 50463, independent unconditional: 795266, dependent: 18938, dependent conditional: 12912, dependent unconditional: 6026, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 864667, independent: 845729, independent conditional: 50291, independent unconditional: 795438, dependent: 18938, dependent conditional: 10290, dependent unconditional: 8648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 864667, independent: 845729, independent conditional: 50291, independent unconditional: 795438, dependent: 18938, dependent conditional: 10290, dependent unconditional: 8648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1550, independent: 1307, independent conditional: 22, independent unconditional: 1285, dependent: 243, dependent conditional: 233, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1550, independent: 1287, independent conditional: 0, independent unconditional: 1287, dependent: 263, dependent conditional: 0, dependent unconditional: 263, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 263, independent: 20, independent conditional: 20, independent unconditional: 0, dependent: 243, dependent conditional: 233, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 263, independent: 20, independent conditional: 20, independent unconditional: 0, dependent: 243, dependent conditional: 233, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 542, independent: 34, independent conditional: 34, independent unconditional: 0, dependent: 508, dependent conditional: 445, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 864667, independent: 844422, independent conditional: 50269, independent unconditional: 794153, dependent: 18695, dependent conditional: 10057, dependent unconditional: 8638, unknown: 1550, unknown conditional: 255, unknown unconditional: 1295] , Statistics on independence cache: Total cache size (in pairs): 1550, Positive cache size: 1307, Positive conditional cache size: 22, Positive unconditional cache size: 1285, Negative cache size: 243, Negative conditional cache size: 233, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2794 ], Independence queries for same thread: 82175 - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 96]: 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, 255 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 854.1s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 11, EmptinessCheckTime: 71.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1630, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 41.0s SatisfiabilityAnalysisTime, 61.9s InterpolantComputationTime, 19481 NumberOfCodeBlocks, 18500 NumberOfCodeBlocksAsserted, 88 NumberOfCheckSat, 28533 ConstructedInterpolants, 0 QuantifiedInterpolants, 99096 SizeOfPredicates, 512 NumberOfNonLiveVariables, 15490 ConjunctsInSsa, 548 ConjunctsInUnsatCore, 54 InterpolantComputations, 2 PerfectInterpolantSequences, 89145/108405 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