/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 23:41:17,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 23:41:17,398 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 23:41:17,401 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 23:41:17,401 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 23:41:17,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 23:41:17,420 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 23:41:17,420 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 23:41:17,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 23:41:17,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 23:41:17,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 23:41:17,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 23:41:17,422 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 23:41:17,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 23:41:17,422 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 23:41:17,423 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 23:41:17,423 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 23:41:17,423 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 23:41:17,423 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 23:41:17,423 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 23:41:17,424 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 23:41:17,429 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 23:41:17,429 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 23:41:17,430 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 23:41:17,433 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 23:41:17,434 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 23:41:17,434 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 23:41:17,434 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 23:41:17,434 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 23:41:17,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 23:41:17,434 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 23:41:17,435 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 23:41:17,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 23:41:17,435 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 23:41:17,435 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 23:41:17,435 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 23:41:17,435 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 23:41:17,435 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 23:41:17,436 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 23:41:17,436 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 [2024-04-04 23:41:17,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 23:41:17,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 23:41:17,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 23:41:17,686 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 23:41:17,687 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 23:41:17,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c [2024-04-04 23:41:18,733 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 23:41:18,890 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 23:41:18,891 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c [2024-04-04 23:41:18,897 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/38eb6feca/3562a1f0cbf74f0e918822447d3b82d7/FLAG3719f77e9 [2024-04-04 23:41:18,914 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/38eb6feca/3562a1f0cbf74f0e918822447d3b82d7 [2024-04-04 23:41:18,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 23:41:18,917 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 23:41:18,920 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 23:41:18,921 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 23:41:18,924 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 23:41:18,925 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 11:41:18" (1/1) ... [2024-04-04 23:41:18,925 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b04c52f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:41:18, skipping insertion in model container [2024-04-04 23:41:18,926 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 11:41:18" (1/1) ... [2024-04-04 23:41:18,947 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 23:41:19,061 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-counter-determinism.wvr.c[2476,2489] [2024-04-04 23:41:19,065 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 23:41:19,071 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 23:41:19,089 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-counter-determinism.wvr.c[2476,2489] [2024-04-04 23:41:19,090 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 23:41:19,097 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 23:41:19,098 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 23:41:19,103 INFO L206 MainTranslator]: Completed translation [2024-04-04 23:41:19,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:41:19 WrapperNode [2024-04-04 23:41:19,104 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 23:41:19,104 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 23:41:19,104 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 23:41:19,105 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 23:41:19,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:41:19" (1/1) ... [2024-04-04 23:41:19,115 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:41:19" (1/1) ... [2024-04-04 23:41:19,130 INFO L138 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 118 [2024-04-04 23:41:19,131 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 23:41:19,131 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 23:41:19,131 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 23:41:19,131 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 23:41:19,138 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:41:19" (1/1) ... [2024-04-04 23:41:19,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:41:19" (1/1) ... [2024-04-04 23:41:19,140 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:41:19" (1/1) ... [2024-04-04 23:41:19,140 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:41:19" (1/1) ... [2024-04-04 23:41:19,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:41:19" (1/1) ... [2024-04-04 23:41:19,147 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:41:19" (1/1) ... [2024-04-04 23:41:19,148 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:41:19" (1/1) ... [2024-04-04 23:41:19,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:41:19" (1/1) ... [2024-04-04 23:41:19,150 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 23:41:19,151 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 23:41:19,151 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 23:41:19,151 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 23:41:19,151 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:41:19" (1/1) ... [2024-04-04 23:41:19,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 23:41:19,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 23:41:19,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-04 23:41:19,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-04 23:41:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 23:41:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-04 23:41:19,243 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-04 23:41:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-04 23:41:19,243 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-04 23:41:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-04 23:41:19,244 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-04 23:41:19,244 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-04-04 23:41:19,244 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-04-04 23:41:19,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 23:41:19,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 23:41:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 23:41:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-04 23:41:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-04 23:41:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 23:41:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 23:41:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 23:41:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 23:41:19,247 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 23:41:19,327 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 23:41:19,329 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 23:41:19,557 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 23:41:19,623 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 23:41:19,624 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-04-04 23:41:19,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 11:41:19 BoogieIcfgContainer [2024-04-04 23:41:19,625 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 23:41:19,627 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 23:41:19,627 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 23:41:19,637 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 23:41:19,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 11:41:18" (1/3) ... [2024-04-04 23:41:19,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ca23efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 11:41:19, skipping insertion in model container [2024-04-04 23:41:19,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:41:19" (2/3) ... [2024-04-04 23:41:19,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ca23efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 11:41:19, skipping insertion in model container [2024-04-04 23:41:19,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 11:41:19" (3/3) ... [2024-04-04 23:41:19,639 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-counter-determinism.wvr.c [2024-04-04 23:41:19,679 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 23:41:19,687 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 23:41:19,687 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 23:41:19,687 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 23:41:19,735 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-04-04 23:41:19,773 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 23:41:19,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 23:41:19,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 23:41:19,775 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 23:41:19,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-04 23:41:19,813 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 23:41:19,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 23:41:19,831 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 23:41:19,839 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;@3e314bf1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-04 23:41:19,839 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-04-04 23:41:21,352 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 2 more)] === [2024-04-04 23:41:21,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 23:41:21,355 INFO L85 PathProgramCache]: Analyzing trace with hash 326408110, now seen corresponding path program 1 times [2024-04-04 23:41:21,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 23:41:21,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394721106] [2024-04-04 23:41:21,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 23:41:21,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 23:41:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 23:41:21,579 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-04-04 23:41:21,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 23:41:21,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394721106] [2024-04-04 23:41:21,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394721106] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 23:41:21,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 23:41:21,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 23:41:21,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871222705] [2024-04-04 23:41:21,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 23:41:21,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 23:41:21,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 23:41:21,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 23:41:21,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 23:41:21,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:41:21,774 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 23:41:21,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 51.5) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 23:41:21,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:41:22,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:41:22,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 23:41:22,622 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 2 more)] === [2024-04-04 23:41:22,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 23:41:22,623 INFO L85 PathProgramCache]: Analyzing trace with hash 980397473, now seen corresponding path program 1 times [2024-04-04 23:41:22,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 23:41:22,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622173723] [2024-04-04 23:41:22,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 23:41:22,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 23:41:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 23:41:23,128 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 35 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-04 23:41:23,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 23:41:23,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622173723] [2024-04-04 23:41:23,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622173723] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 23:41:23,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856772189] [2024-04-04 23:41:23,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 23:41:23,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 23:41:23,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 23:41:23,168 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 23:41:23,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-04 23:41:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 23:41:23,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 23:41:23,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 23:41:23,489 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-04-04 23:41:23,489 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 23:41:23,605 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 34 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-04-04 23:41:23,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [856772189] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 23:41:23,605 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 23:41:23,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 21 [2024-04-04 23:41:23,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878223570] [2024-04-04 23:41:23,606 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 23:41:23,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-04-04 23:41:23,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 23:41:23,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-04-04 23:41:23,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2024-04-04 23:41:23,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:41:23,685 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 23:41:23,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 9.904761904761905) internal successors, (208), 21 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 23:41:23,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:41:23,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:41:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:41:26,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-04 23:41:26,583 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-04 23:41:26,765 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,SelfDestructingSolverStorable1 [2024-04-04 23:41:26,765 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 2 more)] === [2024-04-04 23:41:26,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 23:41:26,766 INFO L85 PathProgramCache]: Analyzing trace with hash 820020630, now seen corresponding path program 2 times [2024-04-04 23:41:26,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 23:41:26,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721807020] [2024-04-04 23:41:26,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 23:41:26,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 23:41:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 23:41:27,537 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 20 proven. 82 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-04 23:41:27,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 23:41:27,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721807020] [2024-04-04 23:41:27,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721807020] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 23:41:27,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559234510] [2024-04-04 23:41:27,538 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 23:41:27,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 23:41:27,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 23:41:27,539 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 23:41:27,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 23:41:27,640 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 23:41:27,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 23:41:27,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-04 23:41:27,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 23:41:28,153 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 58 proven. 44 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-04 23:41:28,153 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 23:41:28,429 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-04-04 23:41:28,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559234510] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 23:41:28,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 23:41:28,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 13, 8] total 43 [2024-04-04 23:41:28,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753118100] [2024-04-04 23:41:28,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 23:41:28,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-04-04 23:41:28,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 23:41:28,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-04-04 23:41:28,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1650, Unknown=0, NotChecked=0, Total=1806 [2024-04-04 23:41:28,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:41:28,544 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 23:41:28,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 6.488372093023256) internal successors, (279), 43 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 23:41:28,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:41:28,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-04 23:41:28,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:41:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:41:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-04 23:41:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-04-04 23:41:36,488 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-04 23:41:36,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 23:41:36,688 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 2 more)] === [2024-04-04 23:41:36,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 23:41:36,689 INFO L85 PathProgramCache]: Analyzing trace with hash -2027470836, now seen corresponding path program 3 times [2024-04-04 23:41:36,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 23:41:36,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974477412] [2024-04-04 23:41:36,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 23:41:36,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 23:41:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 23:41:37,299 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 43 proven. 306 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-04-04 23:41:37,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 23:41:37,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974477412] [2024-04-04 23:41:37,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974477412] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 23:41:37,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944178725] [2024-04-04 23:41:37,300 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 23:41:37,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 23:41:37,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 23:41:37,301 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 23:41:37,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-04 23:41:37,414 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-04 23:41:37,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 23:41:37,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 23:41:37,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 23:41:38,182 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 43 proven. 376 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-04 23:41:38,183 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 23:41:38,646 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 43 proven. 252 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-04-04 23:41:38,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944178725] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 23:41:38,646 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 23:41:38,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 29, 13] total 44 [2024-04-04 23:41:38,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087609477] [2024-04-04 23:41:38,647 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 23:41:38,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-04-04 23:41:38,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 23:41:38,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-04-04 23:41:38,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=1720, Unknown=0, NotChecked=0, Total=1892 [2024-04-04 23:41:38,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:41:38,764 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 23:41:38,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 7.636363636363637) internal successors, (336), 44 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 23:41:38,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:41:38,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-04 23:41:38,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-04-04 23:41:38,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:41:40,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:41:40,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-04 23:41:40,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-04-04 23:41:40,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-04 23:41:40,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-04 23:41:40,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 23:41:40,999 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 2 more)] === [2024-04-04 23:41:40,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 23:41:40,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1897084805, now seen corresponding path program 4 times [2024-04-04 23:41:40,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 23:41:40,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377739444] [2024-04-04 23:41:40,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 23:41:40,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 23:41:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 23:41:41,419 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 129 proven. 13 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2024-04-04 23:41:41,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 23:41:41,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377739444] [2024-04-04 23:41:41,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377739444] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 23:41:41,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754579508] [2024-04-04 23:41:41,422 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 23:41:41,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 23:41:41,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 23:41:41,424 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 23:41:41,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-04 23:41:41,535 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 23:41:41,536 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 23:41:41,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 16 conjunts are in the unsatisfiable core [2024-04-04 23:41:41,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 23:41:41,678 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-04-04 23:41:41,678 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-04 23:41:41,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754579508] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 23:41:41,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-04 23:41:41,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2024-04-04 23:41:41,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834002487] [2024-04-04 23:41:41,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 23:41:41,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-04 23:41:41,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 23:41:41,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-04 23:41:41,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-04-04 23:41:41,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:41:41,789 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 23:41:41,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 23:41:41,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:41:41,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-04 23:41:41,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-04-04 23:41:41,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-04-04 23:41:41,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:41:41,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:41:41,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-04 23:41:41,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-04-04 23:41:41,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-04 23:41:41,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 23:41:41,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-04 23:41:42,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 23:41:42,147 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 2 more)] === [2024-04-04 23:41:42,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 23:41:42,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1120862621, now seen corresponding path program 5 times [2024-04-04 23:41:42,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 23:41:42,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028612661] [2024-04-04 23:41:42,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 23:41:42,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 23:41:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 23:41:42,631 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 43 proven. 99 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-04-04 23:41:42,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 23:41:42,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028612661] [2024-04-04 23:41:42,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028612661] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 23:41:42,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903991568] [2024-04-04 23:41:42,632 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 23:41:42,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 23:41:42,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 23:41:42,633 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 23:41:42,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-04 23:41:42,746 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-04-04 23:41:42,746 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 23:41:42,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 32 conjunts are in the unsatisfiable core [2024-04-04 23:41:42,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 23:41:43,513 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 8 proven. 476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 23:41:43,513 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 23:41:43,776 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-04-04 23:41:43,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903991568] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 23:41:43,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 23:41:43,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 33, 8] total 48 [2024-04-04 23:41:43,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810802606] [2024-04-04 23:41:43,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 23:41:43,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-04-04 23:41:43,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 23:41:43,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-04-04 23:41:43,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=2078, Unknown=0, NotChecked=0, Total=2256 [2024-04-04 23:41:43,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:41:43,952 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 23:41:43,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 7.291666666666667) internal successors, (350), 48 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 23:41:43,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:41:43,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-04 23:41:43,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-04-04 23:41:43,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-04-04 23:41:43,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 23:41:43,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:41:54,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:41:54,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-04 23:41:54,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-04-04 23:41:54,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-04 23:41:54,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 23:41:54,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 268 states. [2024-04-04 23:41:54,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-04 23:41:54,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 23:41:54,486 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 2 more)] === [2024-04-04 23:41:54,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 23:41:54,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1025755341, now seen corresponding path program 6 times [2024-04-04 23:41:54,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 23:41:54,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010154684] [2024-04-04 23:41:54,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 23:41:54,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 23:41:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 23:41:54,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1510 backedges. 421 proven. 368 refuted. 0 times theorem prover too weak. 721 trivial. 0 not checked. [2024-04-04 23:41:54,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 23:41:54,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010154684] [2024-04-04 23:41:54,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010154684] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 23:41:54,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510721455] [2024-04-04 23:41:54,849 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 23:41:54,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 23:41:54,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 23:41:54,866 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 23:41:54,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-04 23:41:55,021 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2024-04-04 23:41:55,021 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 23:41:55,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 50 conjunts are in the unsatisfiable core [2024-04-04 23:41:55,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 23:41:56,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1510 backedges. 113 proven. 1387 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 23:41:56,383 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 23:41:56,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1510 backedges. 113 proven. 422 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2024-04-04 23:41:56,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510721455] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 23:41:56,886 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 23:41:56,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 51, 12] total 65 [2024-04-04 23:41:56,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255127461] [2024-04-04 23:41:56,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 23:41:56,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-04-04 23:41:56,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 23:41:57,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-04-04 23:41:57,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=3848, Unknown=0, NotChecked=0, Total=4160 [2024-04-04 23:41:57,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:41:57,257 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 23:41:57,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 7.953846153846154) internal successors, (517), 65 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 23:41:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:41:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-04 23:41:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-04-04 23:41:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-04 23:41:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 23:41:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 268 states. [2024-04-04 23:41:57,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:42:06,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:42:06,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-04 23:42:06,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-04-04 23:42:06,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-04-04 23:42:06,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 23:42:06,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2024-04-04 23:42:06,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2024-04-04 23:42:06,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-04 23:42:06,713 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,SelfDestructingSolverStorable6 [2024-04-04 23:42:06,713 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 2 more)] === [2024-04-04 23:42:06,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 23:42:06,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1913009366, now seen corresponding path program 7 times [2024-04-04 23:42:06,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 23:42:06,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802351785] [2024-04-04 23:42:06,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 23:42:06,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 23:42:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 23:42:08,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 1 proven. 587 refuted. 0 times theorem prover too weak. 1288 trivial. 0 not checked. [2024-04-04 23:42:08,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 23:42:08,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802351785] [2024-04-04 23:42:08,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802351785] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 23:42:08,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995069005] [2024-04-04 23:42:08,368 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-04 23:42:08,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 23:42:08,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 23:42:08,381 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 23:42:08,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-04 23:42:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 23:42:08,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 93 conjunts are in the unsatisfiable core [2024-04-04 23:42:08,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 23:42:09,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 173 proven. 387 refuted. 0 times theorem prover too weak. 1316 trivial. 0 not checked. [2024-04-04 23:42:09,376 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 23:42:11,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 84 proven. 481 refuted. 0 times theorem prover too weak. 1311 trivial. 0 not checked. [2024-04-04 23:42:11,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995069005] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 23:42:11,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 23:42:11,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 15] total 32 [2024-04-04 23:42:11,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428603805] [2024-04-04 23:42:11,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 23:42:11,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-04-04 23:42:11,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 23:42:11,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-04-04 23:42:11,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=800, Unknown=0, NotChecked=0, Total=992 [2024-04-04 23:42:11,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:42:11,791 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 23:42:11,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 11.40625) internal successors, (365), 32 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 23:42:11,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:42:11,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-04 23:42:11,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-04-04 23:42:11,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-04-04 23:42:11,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 23:42:11,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2024-04-04 23:42:11,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2024-04-04 23:42:11,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:42:15,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:42:15,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-04 23:42:15,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-04-04 23:42:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-04-04 23:42:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 23:42:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2024-04-04 23:42:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2024-04-04 23:42:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 23:42:15,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-04 23:42:16,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 23:42:16,027 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 2 more)] === [2024-04-04 23:42:16,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 23:42:16,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1637310004, now seen corresponding path program 8 times [2024-04-04 23:42:16,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 23:42:16,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795105910] [2024-04-04 23:42:16,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 23:42:16,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 23:42:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 23:42:17,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2089 backedges. 323 proven. 479 refuted. 0 times theorem prover too weak. 1287 trivial. 0 not checked. [2024-04-04 23:42:17,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 23:42:17,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795105910] [2024-04-04 23:42:17,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795105910] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 23:42:17,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357906186] [2024-04-04 23:42:17,404 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 23:42:17,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 23:42:17,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 23:42:17,406 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 23:42:17,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-04 23:42:17,557 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 23:42:17,557 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 23:42:17,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 60 conjunts are in the unsatisfiable core [2024-04-04 23:42:17,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 23:42:19,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2089 backedges. 37 proven. 2052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 23:42:19,427 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 23:42:20,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2089 backedges. 329 proven. 368 refuted. 0 times theorem prover too weak. 1392 trivial. 0 not checked. [2024-04-04 23:42:20,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1357906186] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 23:42:20,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 23:42:20,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 61, 14] total 77 [2024-04-04 23:42:20,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441092696] [2024-04-04 23:42:20,164 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 23:42:20,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-04-04 23:42:20,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 23:42:20,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-04-04 23:42:20,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=324, Invalid=5528, Unknown=0, NotChecked=0, Total=5852 [2024-04-04 23:42:20,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:42:20,545 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 23:42:20,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 6.675324675324675) internal successors, (514), 77 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 23:42:20,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:42:20,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-04 23:42:20,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-04-04 23:42:20,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-04-04 23:42:20,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 23:42:20,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2024-04-04 23:42:20,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2024-04-04 23:42:20,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 23:42:20,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:42:40,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:42:40,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-04 23:42:40,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-04-04 23:42:40,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-04-04 23:42:40,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 23:42:40,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2024-04-04 23:42:40,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2024-04-04 23:42:40,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 23:42:40,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-04-04 23:42:40,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-04 23:42:41,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 23:42:41,124 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 2 more)] === [2024-04-04 23:42:41,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 23:42:41,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1114499695, now seen corresponding path program 9 times [2024-04-04 23:42:41,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 23:42:41,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722717172] [2024-04-04 23:42:41,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 23:42:41,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 23:42:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 23:42:42,347 INFO L134 CoverageAnalysis]: Checked inductivity of 3061 backedges. 208 proven. 1024 refuted. 0 times theorem prover too weak. 1829 trivial. 0 not checked. [2024-04-04 23:42:42,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 23:42:42,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722717172] [2024-04-04 23:42:42,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722717172] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 23:42:42,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582856782] [2024-04-04 23:42:42,348 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 23:42:42,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 23:42:42,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 23:42:42,349 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 23:42:42,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-04 23:42:42,581 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2024-04-04 23:42:42,581 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 23:42:42,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 72 conjunts are in the unsatisfiable core [2024-04-04 23:42:42,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 23:42:44,877 INFO L134 CoverageAnalysis]: Checked inductivity of 3061 backedges. 301 proven. 2758 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 23:42:44,877 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 23:42:45,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3061 backedges. 301 proven. 327 refuted. 0 times theorem prover too weak. 2433 trivial. 0 not checked. [2024-04-04 23:42:45,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582856782] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 23:42:45,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 23:42:45,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 73, 10] total 86 [2024-04-04 23:42:45,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150435892] [2024-04-04 23:42:45,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 23:42:45,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2024-04-04 23:42:45,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 23:42:46,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2024-04-04 23:42:46,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=426, Invalid=6884, Unknown=0, NotChecked=0, Total=7310 [2024-04-04 23:42:46,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:42:46,212 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 23:42:46,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 7.255813953488372) internal successors, (624), 86 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 23:42:46,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:42:46,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-04 23:42:46,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-04-04 23:42:46,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-04-04 23:42:46,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 23:42:46,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2024-04-04 23:42:46,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2024-04-04 23:42:46,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 23:42:46,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2024-04-04 23:42:46,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:43:09,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:43:09,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-04 23:43:09,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-04-04 23:43:09,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-04-04 23:43:09,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 23:43:09,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2024-04-04 23:43:09,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2024-04-04 23:43:09,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 23:43:09,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-04-04 23:43:09,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2024-04-04 23:43:09,572 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-04 23:43:09,772 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,SelfDestructingSolverStorable9 [2024-04-04 23:43:09,773 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 2 more)] === [2024-04-04 23:43:09,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 23:43:09,773 INFO L85 PathProgramCache]: Analyzing trace with hash -776414106, now seen corresponding path program 10 times [2024-04-04 23:43:09,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 23:43:09,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179455609] [2024-04-04 23:43:09,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 23:43:09,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 23:43:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 23:43:13,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4294 backedges. 242 proven. 493 refuted. 0 times theorem prover too weak. 3559 trivial. 0 not checked. [2024-04-04 23:43:13,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 23:43:13,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179455609] [2024-04-04 23:43:13,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179455609] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 23:43:13,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388173827] [2024-04-04 23:43:13,891 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 23:43:13,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 23:43:13,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 23:43:13,899 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 23:43:13,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-04 23:43:14,093 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 23:43:14,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 23:43:14,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 910 conjuncts, 84 conjunts are in the unsatisfiable core [2024-04-04 23:43:14,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 23:43:17,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4294 backedges. 450 proven. 3835 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-04-04 23:43:17,520 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 23:43:18,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4294 backedges. 450 proven. 200 refuted. 0 times theorem prover too weak. 3644 trivial. 0 not checked. [2024-04-04 23:43:18,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1388173827] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 23:43:18,052 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 23:43:18,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 85, 8] total 106 [2024-04-04 23:43:18,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134491567] [2024-04-04 23:43:18,052 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 23:43:18,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2024-04-04 23:43:18,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 23:43:19,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2024-04-04 23:43:19,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=447, Invalid=10683, Unknown=0, NotChecked=0, Total=11130 [2024-04-04 23:43:19,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:43:19,096 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 23:43:19,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 5.783018867924528) internal successors, (613), 106 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 23:43:19,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:43:19,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-04 23:43:19,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-04-04 23:43:19,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-04-04 23:43:19,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 23:43:19,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2024-04-04 23:43:19,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2024-04-04 23:43:19,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 23:43:19,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2024-04-04 23:43:19,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 384 states. [2024-04-04 23:43:19,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:43:53,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:43:53,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-04 23:43:53,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-04-04 23:43:53,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-04-04 23:43:53,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 23:43:53,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2024-04-04 23:43:53,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2024-04-04 23:43:53,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 23:43:53,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-04-04 23:43:53,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2024-04-04 23:43:53,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 346 states. [2024-04-04 23:43:53,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-04 23:43:53,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 23:43:53,705 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 2 more)] === [2024-04-04 23:43:53,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 23:43:53,705 INFO L85 PathProgramCache]: Analyzing trace with hash 592794458, now seen corresponding path program 11 times [2024-04-04 23:43:53,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 23:43:53,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810492994] [2024-04-04 23:43:53,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 23:43:53,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 23:43:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 23:43:56,676 INFO L134 CoverageAnalysis]: Checked inductivity of 6478 backedges. 1400 proven. 897 refuted. 0 times theorem prover too weak. 4181 trivial. 0 not checked. [2024-04-04 23:43:56,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 23:43:56,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810492994] [2024-04-04 23:43:56,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810492994] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 23:43:56,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791088523] [2024-04-04 23:43:56,677 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 23:43:56,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 23:43:56,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 23:43:56,682 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 23:43:56,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-04 23:43:56,913 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 27 check-sat command(s) [2024-04-04 23:43:56,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 23:43:56,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 1107 conjuncts, 104 conjunts are in the unsatisfiable core [2024-04-04 23:43:56,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 23:44:01,473 INFO L134 CoverageAnalysis]: Checked inductivity of 6478 backedges. 45 proven. 6433 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 23:44:01,474 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 23:44:02,221 INFO L134 CoverageAnalysis]: Checked inductivity of 6478 backedges. 1753 proven. 323 refuted. 0 times theorem prover too weak. 4402 trivial. 0 not checked. [2024-04-04 23:44:02,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791088523] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 23:44:02,221 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 23:44:02,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 105, 15] total 133 [2024-04-04 23:44:02,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849899135] [2024-04-04 23:44:02,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 23:44:02,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 133 states [2024-04-04 23:44:02,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 23:44:03,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2024-04-04 23:44:03,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=505, Invalid=17051, Unknown=0, NotChecked=0, Total=17556 [2024-04-04 23:44:03,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:44:03,242 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 23:44:03,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 133 states, 133 states have (on average 5.917293233082707) internal successors, (787), 133 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 23:44:03,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:44:03,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-04 23:44:03,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-04-04 23:44:03,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-04-04 23:44:03,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 23:44:03,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2024-04-04 23:44:03,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2024-04-04 23:44:03,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 23:44:03,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2024-04-04 23:44:03,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 384 states. [2024-04-04 23:44:03,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 346 states. [2024-04-04 23:44:03,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:44:55,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:44:55,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-04 23:44:55,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-04-04 23:44:55,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-04-04 23:44:55,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 23:44:55,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2024-04-04 23:44:55,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2024-04-04 23:44:55,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 23:44:55,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-04-04 23:44:55,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2024-04-04 23:44:55,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 346 states. [2024-04-04 23:44:55,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 717 states. [2024-04-04 23:44:55,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-04 23:44:55,707 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,SelfDestructingSolverStorable11 [2024-04-04 23:44:55,707 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 2 more)] === [2024-04-04 23:44:55,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 23:44:55,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1157958774, now seen corresponding path program 12 times [2024-04-04 23:44:55,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 23:44:55,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567693895] [2024-04-04 23:44:55,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 23:44:55,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 23:44:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 23:44:59,499 INFO L134 CoverageAnalysis]: Checked inductivity of 7128 backedges. 29 proven. 2470 refuted. 0 times theorem prover too weak. 4629 trivial. 0 not checked. [2024-04-04 23:44:59,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 23:44:59,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567693895] [2024-04-04 23:44:59,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567693895] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 23:44:59,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297782195] [2024-04-04 23:44:59,499 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 23:44:59,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 23:44:59,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 23:44:59,512 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 23:44:59,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-04 23:44:59,919 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) [2024-04-04 23:44:59,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 23:44:59,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 225 conjunts are in the unsatisfiable core [2024-04-04 23:44:59,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 23:45:01,235 INFO L134 CoverageAnalysis]: Checked inductivity of 7128 backedges. 0 proven. 2173 refuted. 0 times theorem prover too weak. 4955 trivial. 0 not checked. [2024-04-04 23:45:01,235 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 23:45:01,869 INFO L134 CoverageAnalysis]: Checked inductivity of 7128 backedges. 0 proven. 2169 refuted. 0 times theorem prover too weak. 4959 trivial. 0 not checked. [2024-04-04 23:45:01,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297782195] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 23:45:01,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 23:45:01,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 10] total 26 [2024-04-04 23:45:01,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019716994] [2024-04-04 23:45:01,869 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 23:45:01,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-04 23:45:01,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 23:45:15,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-04 23:45:15,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=547, Unknown=0, NotChecked=0, Total=650 [2024-04-04 23:45:15,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:45:15,791 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 23:45:15,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 13.73076923076923) internal successors, (357), 26 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 23:45:15,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:45:15,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-04 23:45:15,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-04-04 23:45:15,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-04-04 23:45:15,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 23:45:15,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2024-04-04 23:45:15,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2024-04-04 23:45:15,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 23:45:15,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2024-04-04 23:45:15,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 384 states. [2024-04-04 23:45:15,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 346 states. [2024-04-04 23:45:15,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 717 states. [2024-04-04 23:45:15,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:45:23,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:45:23,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-04 23:45:23,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-04-04 23:45:23,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-04-04 23:45:23,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 23:45:23,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2024-04-04 23:45:23,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2024-04-04 23:45:23,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 23:45:23,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-04-04 23:45:23,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2024-04-04 23:45:23,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 346 states. [2024-04-04 23:45:23,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 717 states. [2024-04-04 23:45:23,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 23:45:23,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-04 23:45:23,472 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,SelfDestructingSolverStorable12 [2024-04-04 23:45:23,472 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 2 more)] === [2024-04-04 23:45:23,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 23:45:23,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1369268920, now seen corresponding path program 13 times [2024-04-04 23:45:23,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 23:45:23,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843698528] [2024-04-04 23:45:23,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 23:45:23,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 23:45:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 23:45:27,388 INFO L134 CoverageAnalysis]: Checked inductivity of 7536 backedges. 1851 proven. 1087 refuted. 0 times theorem prover too weak. 4598 trivial. 0 not checked. [2024-04-04 23:45:27,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 23:45:27,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843698528] [2024-04-04 23:45:27,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843698528] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 23:45:27,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14886936] [2024-04-04 23:45:27,389 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-04 23:45:27,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 23:45:27,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 23:45:27,390 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 23:45:27,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-04 23:45:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 23:45:27,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 1175 conjuncts, 112 conjunts are in the unsatisfiable core [2024-04-04 23:45:27,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 23:45:31,912 INFO L134 CoverageAnalysis]: Checked inductivity of 7536 backedges. 90 proven. 7446 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 23:45:31,912 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 23:45:33,207 INFO L134 CoverageAnalysis]: Checked inductivity of 7536 backedges. 1879 proven. 864 refuted. 0 times theorem prover too weak. 4793 trivial. 0 not checked. [2024-04-04 23:45:33,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14886936] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 23:45:33,207 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 23:45:33,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 113, 21] total 136 [2024-04-04 23:45:33,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589762029] [2024-04-04 23:45:33,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 23:45:33,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 136 states [2024-04-04 23:45:33,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 23:45:34,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2024-04-04 23:45:34,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=631, Invalid=17729, Unknown=0, NotChecked=0, Total=18360 [2024-04-04 23:45:34,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:45:34,307 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 23:45:34,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 136 states, 136 states have (on average 5.919117647058823) internal successors, (805), 136 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 23:45:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 23:45:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-04 23:45:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-04-04 23:45:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-04-04 23:45:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 23:45:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2024-04-04 23:45:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2024-04-04 23:45:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 23:45:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2024-04-04 23:45:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 384 states. [2024-04-04 23:45:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 346 states. [2024-04-04 23:45:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 717 states. [2024-04-04 23:45:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 23:45:34,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.