/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 50 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 20:16:47,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 20:16:47,937 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 20:16:47,939 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 20:16:47,940 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 20:16:47,964 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 20:16:47,965 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 20:16:47,965 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 20:16:47,965 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 20:16:47,965 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 20:16:47,966 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 20:16:47,966 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 20:16:47,966 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 20:16:47,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 20:16:47,967 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 20:16:47,967 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 20:16:47,967 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 20:16:47,967 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 20:16:47,967 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 20:16:47,968 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 20:16:47,968 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 20:16:47,968 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 20:16:47,968 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 20:16:47,969 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 20:16:47,969 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 20:16:47,969 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 20:16:47,969 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 20:16:47,969 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 20:16:47,969 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 20:16:47,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 20:16:47,970 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 20:16:47,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 20:16:47,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 20:16:47,970 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 20:16:47,970 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 20:16:47,971 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 20:16:47,971 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 20:16:47,971 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 20:16:47,971 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 20:16:47,971 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-04 20:16:48,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 20:16:48,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 20:16:48,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 20:16:48,142 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 20:16:48,142 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 20:16:48,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c [2024-04-04 20:16:49,287 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 20:16:49,478 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 20:16:49,478 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c [2024-04-04 20:16:49,486 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c2e6f9512/0019887ec36346deb9e34286626afcd3/FLAG0df03a4d6 [2024-04-04 20:16:49,501 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c2e6f9512/0019887ec36346deb9e34286626afcd3 [2024-04-04 20:16:49,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 20:16:49,504 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 20:16:49,505 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 20:16:49,505 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 20:16:49,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 20:16:49,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 08:16:49" (1/1) ... [2024-04-04 20:16:49,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e9ed612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:16:49, skipping insertion in model container [2024-04-04 20:16:49,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 08:16:49" (1/1) ... [2024-04-04 20:16:49,530 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 20:16:49,695 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c[4099,4112] [2024-04-04 20:16:49,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 20:16:49,709 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 20:16:49,730 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult2.wvr.c[4099,4112] [2024-04-04 20:16:49,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 20:16:49,740 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 20:16:49,740 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 20:16:49,745 INFO L206 MainTranslator]: Completed translation [2024-04-04 20:16:49,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:16:49 WrapperNode [2024-04-04 20:16:49,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 20:16:49,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 20:16:49,746 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 20:16:49,746 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 20:16:49,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:16:49" (1/1) ... [2024-04-04 20:16:49,758 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:16:49" (1/1) ... [2024-04-04 20:16:49,782 INFO L138 Inliner]: procedures = 27, calls = 76, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 312 [2024-04-04 20:16:49,782 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 20:16:49,783 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 20:16:49,783 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 20:16:49,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 20:16:49,792 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:16:49" (1/1) ... [2024-04-04 20:16:49,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:16:49" (1/1) ... [2024-04-04 20:16:49,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:16:49" (1/1) ... [2024-04-04 20:16:49,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:16:49" (1/1) ... [2024-04-04 20:16:49,820 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:16:49" (1/1) ... [2024-04-04 20:16:49,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:16:49" (1/1) ... [2024-04-04 20:16:49,827 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:16:49" (1/1) ... [2024-04-04 20:16:49,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:16:49" (1/1) ... [2024-04-04 20:16:49,830 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 20:16:49,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 20:16:49,831 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 20:16:49,831 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 20:16:49,835 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:16:49" (1/1) ... [2024-04-04 20:16:49,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 20:16:49,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:16:49,863 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 20:16:49,870 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 20:16:49,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 20:16:49,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 20:16:49,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 20:16:49,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 20:16:49,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-04 20:16:49,902 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-04 20:16:49,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-04 20:16:49,902 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-04 20:16:49,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-04 20:16:49,903 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-04 20:16:49,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-04-04 20:16:49,903 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-04-04 20:16:49,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 20:16:49,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-04 20:16:49,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-04 20:16:49,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-04 20:16:49,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 20:16:49,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 20:16:49,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 20:16:49,905 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 20:16:49,986 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 20:16:49,988 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 20:16:50,289 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 20:16:50,422 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 20:16:50,423 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2024-04-04 20:16:50,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 08:16:50 BoogieIcfgContainer [2024-04-04 20:16:50,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 20:16:50,428 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 20:16:50,428 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 20:16:50,431 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 20:16:50,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 08:16:49" (1/3) ... [2024-04-04 20:16:50,432 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34f0a8a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 08:16:50, skipping insertion in model container [2024-04-04 20:16:50,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:16:49" (2/3) ... [2024-04-04 20:16:50,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34f0a8a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 08:16:50, skipping insertion in model container [2024-04-04 20:16:50,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 08:16:50" (3/3) ... [2024-04-04 20:16:50,435 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult2.wvr.c [2024-04-04 20:16:50,442 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 20:16:50,449 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 20:16:50,449 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 20:16:50,464 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 20:16:50,543 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-04-04 20:16:50,584 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 20:16:50,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 20:16:50,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:16:50,592 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 20:16:50,600 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 20:16:50,633 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 20:16:50,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:16:50,647 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 20:16:50,655 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;@4fd3ccdf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213 [2024-04-04 20:16:50,656 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-04-04 20:16:51,042 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 20:16:51,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:16:51,044 INFO L85 PathProgramCache]: Analyzing trace with hash 377418777, now seen corresponding path program 1 times [2024-04-04 20:16:51,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:16:51,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733908278] [2024-04-04 20:16:51,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:16:51,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:16:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:16:51,340 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-04-04 20:16:51,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:16:51,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733908278] [2024-04-04 20:16:51,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733908278] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 20:16:51,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 20:16:51,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 20:16:51,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474357437] [2024-04-04 20:16:51,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 20:16:51,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 20:16:51,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:16:51,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 20:16:51,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 20:16:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:16:51,672 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:16:51,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 95.0) internal successors, (190), 2 states have internal predecessors, (190), 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 20:16:51,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:16:51,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:16:51,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 20:16:51,846 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 20:16:51,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:16:51,847 INFO L85 PathProgramCache]: Analyzing trace with hash 939814131, now seen corresponding path program 1 times [2024-04-04 20:16:51,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:16:51,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385983090] [2024-04-04 20:16:51,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:16:51,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:16:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:16:52,464 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-04-04 20:16:52,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:16:52,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385983090] [2024-04-04 20:16:52,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385983090] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 20:16:52,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 20:16:52,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-04 20:16:52,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515278226] [2024-04-04 20:16:52,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 20:16:52,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 20:16:52,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:16:52,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 20:16:52,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-04-04 20:16:52,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:16:52,596 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:16:52,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.0) internal successors, (186), 6 states have internal predecessors, (186), 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 20:16:52,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:16:52,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:16:52,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:16:52,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:16:52,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 20:16:52,778 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 20:16:52,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:16:52,784 INFO L85 PathProgramCache]: Analyzing trace with hash -344409522, now seen corresponding path program 1 times [2024-04-04 20:16:52,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:16:52,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801035780] [2024-04-04 20:16:52,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:16:52,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:16:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:16:53,094 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2024-04-04 20:16:53,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:16:53,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801035780] [2024-04-04 20:16:53,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801035780] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 20:16:53,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 20:16:53,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-04 20:16:53,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070498579] [2024-04-04 20:16:53,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 20:16:53,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 20:16:53,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:16:53,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 20:16:53,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-04-04 20:16:53,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:16:53,218 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:16:53,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.833333333333336) internal successors, (197), 6 states have internal predecessors, (197), 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 20:16:53,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:16:53,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:16:53,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:16:53,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:16:53,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:16:53,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:16:53,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-04 20:16:53,363 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 20:16:53,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:16:53,364 INFO L85 PathProgramCache]: Analyzing trace with hash -318523973, now seen corresponding path program 1 times [2024-04-04 20:16:53,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:16:53,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647983777] [2024-04-04 20:16:53,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:16:53,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:16:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:16:53,826 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 55 proven. 52 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-04-04 20:16:53,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:16:53,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647983777] [2024-04-04 20:16:53,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647983777] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:16:53,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28109938] [2024-04-04 20:16:53,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:16:53,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:16:53,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:16:53,891 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 20:16:53,933 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 20:16:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:16:54,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-04 20:16:54,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:16:54,369 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-04-04 20:16:54,370 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:16:54,628 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 53 proven. 3 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-04-04 20:16:54,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [28109938] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:16:54,632 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:16:54,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-04-04 20:16:54,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052614545] [2024-04-04 20:16:54,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:16:54,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-04 20:16:54,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:16:54,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-04 20:16:54,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-04-04 20:16:54,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:16:54,801 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:16:54,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 15.31578947368421) internal successors, (291), 19 states have internal predecessors, (291), 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 20:16:54,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:16:54,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:16:54,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:16:54,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:16:55,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:16:55,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:16:55,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:16:55,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:16:55,139 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-04 20:16:55,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:16:55,339 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 20:16:55,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:16:55,340 INFO L85 PathProgramCache]: Analyzing trace with hash -56627946, now seen corresponding path program 2 times [2024-04-04 20:16:55,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:16:55,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812960819] [2024-04-04 20:16:55,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:16:55,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:16:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:16:55,831 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 61 proven. 59 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-04-04 20:16:55,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:16:55,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812960819] [2024-04-04 20:16:55,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812960819] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:16:55,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260647055] [2024-04-04 20:16:55,831 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 20:16:55,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:16:55,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:16:55,832 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 20:16:55,881 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 20:16:56,034 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 20:16:56,035 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:16:56,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 20:16:56,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:16:56,241 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 98 proven. 7 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-04-04 20:16:56,241 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:16:56,802 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 62 proven. 76 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-04-04 20:16:56,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260647055] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:16:56,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:16:56,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 4, 9] total 21 [2024-04-04 20:16:56,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257391371] [2024-04-04 20:16:56,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:16:56,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-04-04 20:16:56,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:16:57,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-04-04 20:16:57,318 INFO L85 PathProgramCache]: Analyzing trace with hash 757196263, now seen corresponding path program 1 times [2024-04-04 20:16:57,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:16:57,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:16:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:16:57,776 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 20:16:57,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:16:57,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:16:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:16:58,107 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 20:16:58,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-04-04 20:16:58,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1575872257, now seen corresponding path program 2 times [2024-04-04 20:16:58,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:16:58,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:16:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:16:58,815 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 20:16:58,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:16:58,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:16:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:16:59,078 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 20:16:59,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-04-04 20:16:59,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=889, Unknown=0, NotChecked=0, Total=992 [2024-04-04 20:16:59,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:16:59,112 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:16:59,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 25.095238095238095) internal successors, (527), 21 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 20:16:59,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:16:59,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:16:59,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:16:59,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:16:59,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:16:59,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:16:59,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:16:59,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:16:59,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:16:59,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:16:59,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-04 20:16:59,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:16:59,845 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 20:16:59,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:16:59,845 INFO L85 PathProgramCache]: Analyzing trace with hash -866698625, now seen corresponding path program 3 times [2024-04-04 20:16:59,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:16:59,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065963387] [2024-04-04 20:16:59,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:16:59,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:16:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:17:00,361 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 144 proven. 6 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2024-04-04 20:17:00,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:17:00,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065963387] [2024-04-04 20:17:00,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065963387] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:17:00,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986112872] [2024-04-04 20:17:00,361 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 20:17:00,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:17:00,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:17:00,362 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 20:17:00,365 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 20:17:00,524 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-04-04 20:17:00,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:17:00,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-04 20:17:00,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:17:00,762 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 112 proven. 1 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2024-04-04 20:17:00,762 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:17:01,101 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 71 proven. 42 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2024-04-04 20:17:01,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986112872] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:17:01,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:17:01,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-04-04 20:17:01,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995687997] [2024-04-04 20:17:01,102 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:17:01,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-04 20:17:01,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:17:01,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-04 20:17:01,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2024-04-04 20:17:01,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:01,347 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:17:01,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 15.368421052631579) internal successors, (292), 19 states have internal predecessors, (292), 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 20:17:01,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:01,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:01,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:01,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:17:01,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:17:01,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:01,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:01,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:01,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:01,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:17:01,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:17:01,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:17:01,835 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 20:17:02,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:17:02,036 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 20:17:02,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:17:02,036 INFO L85 PathProgramCache]: Analyzing trace with hash -148412514, now seen corresponding path program 4 times [2024-04-04 20:17:02,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:17:02,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213875581] [2024-04-04 20:17:02,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:17:02,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:17:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:17:02,172 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-04-04 20:17:02,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:17:02,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213875581] [2024-04-04 20:17:02,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213875581] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 20:17:02,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 20:17:02,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-04 20:17:02,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180807896] [2024-04-04 20:17:02,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 20:17:02,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-04 20:17:02,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:17:02,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-04 20:17:02,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-04-04 20:17:02,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:02,233 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:17:02,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.5) internal successors, (210), 4 states have internal predecessors, (210), 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 20:17:02,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:02,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:02,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:02,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:17:02,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:17:02,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:17:02,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:02,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:02,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:02,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:02,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:17:02,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:17:02,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:17:02,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:17:02,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-04-04 20:17:02,315 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 20:17:02,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:17:02,316 INFO L85 PathProgramCache]: Analyzing trace with hash -2128820558, now seen corresponding path program 5 times [2024-04-04 20:17:02,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:17:02,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832083367] [2024-04-04 20:17:02,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:17:02,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:17:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:17:02,712 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 24 proven. 54 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-04-04 20:17:02,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:17:02,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832083367] [2024-04-04 20:17:02,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832083367] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:17:02,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597884160] [2024-04-04 20:17:02,715 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 20:17:02,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:17:02,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:17:02,738 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 20:17:02,756 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 20:17:02,973 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-04-04 20:17:02,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:17:02,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 17 conjunts are in the unsatisfiable core [2024-04-04 20:17:02,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:17:03,621 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 41 proven. 43 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-04 20:17:03,622 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:17:04,603 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 47 proven. 37 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-04 20:17:04,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597884160] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:17:04,603 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:17:04,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 18, 17] total 46 [2024-04-04 20:17:04,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679242872] [2024-04-04 20:17:04,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:17:04,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-04-04 20:17:04,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:17:04,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-04-04 20:17:04,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=409, Invalid=1661, Unknown=0, NotChecked=0, Total=2070 [2024-04-04 20:17:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:04,697 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:17:04,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 12.0) internal successors, (552), 46 states have internal predecessors, (552), 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 20:17:04,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:04,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:04,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:04,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:17:04,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:17:04,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:17:04,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:17:04,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:05,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:05,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:05,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:05,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:17:05,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:17:05,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:17:05,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:17:05,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:17:05,520 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 20:17:05,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-04-04 20:17:05,718 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 20:17:05,718 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:17:05,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1005835544, now seen corresponding path program 6 times [2024-04-04 20:17:05,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:17:05,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479062610] [2024-04-04 20:17:05,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:17:05,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:17:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:17:06,404 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 31 proven. 4 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-04-04 20:17:06,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:17:06,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479062610] [2024-04-04 20:17:06,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479062610] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:17:06,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919555918] [2024-04-04 20:17:06,404 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 20:17:06,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:17:06,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:17:06,417 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 20:17:06,453 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 20:17:06,621 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-04-04 20:17:06,622 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:17:06,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 17 conjunts are in the unsatisfiable core [2024-04-04 20:17:06,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:17:07,374 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 35 proven. 10 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-04-04 20:17:07,374 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:17:07,957 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 31 proven. 18 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-04-04 20:17:07,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919555918] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:17:07,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:17:07,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 13] total 31 [2024-04-04 20:17:07,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483824445] [2024-04-04 20:17:07,958 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:17:07,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-04-04 20:17:07,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:17:08,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-04-04 20:17:08,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=779, Unknown=0, NotChecked=0, Total=930 [2024-04-04 20:17:08,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:08,122 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:17:08,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 18.129032258064516) internal successors, (562), 31 states have internal predecessors, (562), 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 20:17:08,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:08,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:08,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:08,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:17:08,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:17:08,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:17:08,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:17:08,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:17:08,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:11,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:17:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:17:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:17:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:17:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:17:11,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:17:11,550 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 20:17:11,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-04-04 20:17:11,732 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 20:17:11,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:17:11,733 INFO L85 PathProgramCache]: Analyzing trace with hash 368038751, now seen corresponding path program 7 times [2024-04-04 20:17:11,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:17:11,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594258437] [2024-04-04 20:17:11,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:17:11,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:17:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:17:12,451 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 121 proven. 168 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-04-04 20:17:12,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:17:12,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594258437] [2024-04-04 20:17:12,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594258437] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:17:12,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35517636] [2024-04-04 20:17:12,452 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-04 20:17:12,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:17:12,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:17:12,453 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 20:17:12,470 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 20:17:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:17:12,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-04 20:17:12,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:17:13,034 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 136 proven. 10 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-04-04 20:17:13,034 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:17:13,361 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 114 proven. 32 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-04-04 20:17:13,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35517636] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:17:13,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:17:13,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 12, 12] total 40 [2024-04-04 20:17:13,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371176333] [2024-04-04 20:17:13,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:17:13,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-04-04 20:17:13,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:17:13,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-04-04 20:17:13,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=1390, Unknown=0, NotChecked=0, Total=1560 [2024-04-04 20:17:13,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:13,560 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:17:13,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 12.55) internal successors, (502), 40 states have internal predecessors, (502), 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 20:17:13,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:13,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:13,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:13,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:17:13,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:17:13,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:17:13,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:17:13,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:17:13,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:17:13,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:14,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:14,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:14,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:14,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:17:14,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:17:14,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:17:14,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:17:14,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:17:14,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:17:14,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:17:14,617 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-04-04 20:17:14,816 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,SelfDestructingSolverStorable13 [2024-04-04 20:17:14,817 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 20:17:14,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:17:14,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1683958167, now seen corresponding path program 8 times [2024-04-04 20:17:14,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:17:14,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004035946] [2024-04-04 20:17:14,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:17:14,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:17:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:17:15,601 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 170 proven. 168 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-04-04 20:17:15,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:17:15,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004035946] [2024-04-04 20:17:15,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004035946] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:17:15,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152541398] [2024-04-04 20:17:15,602 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 20:17:15,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:17:15,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:17:15,604 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 20:17:15,605 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 20:17:15,815 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 20:17:15,816 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:17:15,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-04 20:17:15,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:17:16,476 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 137 proven. 201 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-04-04 20:17:16,477 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:17:17,390 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 59 proven. 279 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-04-04 20:17:17,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152541398] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:17:17,390 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:17:17,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24, 24] total 69 [2024-04-04 20:17:17,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676492049] [2024-04-04 20:17:17,390 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:17:17,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2024-04-04 20:17:17,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:17:17,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2024-04-04 20:17:17,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=490, Invalid=4202, Unknown=0, NotChecked=0, Total=4692 [2024-04-04 20:17:17,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:17,670 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:17:17,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 9.521739130434783) internal successors, (657), 69 states have internal predecessors, (657), 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 20:17:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:17:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:17:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:17:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:17:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:17:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:17:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:17:17,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:18,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:18,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:18,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:18,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:17:18,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:17:18,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:17:18,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:17:18,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:17:18,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:17:18,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:17:18,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:17:18,979 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 20:17:19,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:17:19,159 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 20:17:19,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:17:19,159 INFO L85 PathProgramCache]: Analyzing trace with hash 493303196, now seen corresponding path program 9 times [2024-04-04 20:17:19,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:17:19,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804739765] [2024-04-04 20:17:19,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:17:19,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:17:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:17:19,759 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 75 proven. 125 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2024-04-04 20:17:19,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:17:19,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804739765] [2024-04-04 20:17:19,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804739765] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:17:19,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873030689] [2024-04-04 20:17:19,760 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 20:17:19,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:17:19,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:17:19,781 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 20:17:19,806 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 20:17:20,110 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-04-04 20:17:20,110 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:17:20,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 13 conjunts are in the unsatisfiable core [2024-04-04 20:17:20,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:17:20,267 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 129 proven. 9 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2024-04-04 20:17:20,267 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:17:20,401 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 125 proven. 15 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-04-04 20:17:20,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873030689] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:17:20,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:17:20,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 7, 7] total 25 [2024-04-04 20:17:20,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340359314] [2024-04-04 20:17:20,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:17:20,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-04-04 20:17:20,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:17:20,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-04-04 20:17:20,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2024-04-04 20:17:20,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:20,582 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:17:20,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 16.12) internal successors, (403), 25 states have internal predecessors, (403), 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 20:17:20,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:20,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:20,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:20,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:17:20,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:17:20,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:17:20,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:17:20,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:17:20,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:17:20,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:17:20,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:17:20,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:21,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:21,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:21,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:21,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:17:21,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:17:21,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:17:21,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:17:21,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:17:21,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:17:21,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:17:21,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:17:21,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:17:21,511 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 20:17:21,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-04-04 20:17:21,705 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 20:17:21,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:17:21,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1656283344, now seen corresponding path program 10 times [2024-04-04 20:17:21,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:17:21,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720804770] [2024-04-04 20:17:21,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:17:21,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:17:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:17:22,262 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 79 proven. 126 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-04-04 20:17:22,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:17:22,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720804770] [2024-04-04 20:17:22,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720804770] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:17:22,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336222189] [2024-04-04 20:17:22,263 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 20:17:22,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:17:22,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:17:22,264 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 20:17:22,267 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 20:17:22,434 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 20:17:22,434 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:17:22,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 20:17:22,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:17:22,890 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 153 proven. 52 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-04-04 20:17:22,890 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:17:23,198 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 97 proven. 108 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-04-04 20:17:23,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336222189] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:17:23,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:17:23,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 46 [2024-04-04 20:17:23,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47464983] [2024-04-04 20:17:23,211 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:17:23,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-04-04 20:17:23,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:17:23,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-04-04 20:17:23,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=333, Invalid=1737, Unknown=0, NotChecked=0, Total=2070 [2024-04-04 20:17:23,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:23,492 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:17:23,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 9.934782608695652) internal successors, (457), 46 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 20:17:23,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:23,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:23,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:23,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:17:23,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:17:23,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:17:23,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:17:23,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:17:23,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:17:23,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:17:23,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:17:23,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:17:23,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:23,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:17:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:17:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:17:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:17:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:17:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:17:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:17:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:17:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:17:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 20:17:23,887 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 20:17:24,090 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,SelfDestructingSolverStorable16 [2024-04-04 20:17:24,090 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 20:17:24,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:17:24,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1600608707, now seen corresponding path program 11 times [2024-04-04 20:17:24,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:17:24,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260354743] [2024-04-04 20:17:24,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:17:24,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:17:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:17:25,051 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 45 proven. 80 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2024-04-04 20:17:25,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:17:25,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260354743] [2024-04-04 20:17:25,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260354743] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:17:25,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883921719] [2024-04-04 20:17:25,052 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 20:17:25,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:17:25,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:17:25,053 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 20:17:25,095 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 20:17:25,265 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-04-04 20:17:25,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:17:25,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-04 20:17:25,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:17:25,397 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 99 proven. 28 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-04-04 20:17:25,397 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:17:25,465 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 99 proven. 4 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-04-04 20:17:25,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883921719] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:17:25,465 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:17:25,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 5] total 19 [2024-04-04 20:17:25,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589776457] [2024-04-04 20:17:25,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:17:25,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-04 20:17:25,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:17:25,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-04 20:17:25,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2024-04-04 20:17:25,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:25,724 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:17:25,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 22.789473684210527) internal successors, (433), 19 states have internal predecessors, (433), 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 20:17:25,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:25,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:25,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:25,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:17:25,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:17:25,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:17:25,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:17:25,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:17:25,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:17:25,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:17:25,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:17:25,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:17:25,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 20:17:25,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:27,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:27,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:27,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:27,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:17:27,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:17:27,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:17:27,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:17:27,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:17:27,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:17:27,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:17:27,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:17:27,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 20:17:27,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 20:17:27,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 20:17:27,562 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 20:17:27,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-04-04 20:17:27,760 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 20:17:27,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:17:27,760 INFO L85 PathProgramCache]: Analyzing trace with hash -568555431, now seen corresponding path program 12 times [2024-04-04 20:17:27,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:17:27,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418007545] [2024-04-04 20:17:27,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:17:27,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:17:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:17:29,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1437 backedges. 692 proven. 372 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-04-04 20:17:29,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:17:29,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418007545] [2024-04-04 20:17:29,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418007545] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:17:29,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115367924] [2024-04-04 20:17:29,080 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 20:17:29,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:17:29,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:17:29,082 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 20:17:29,084 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 20:17:29,639 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-04-04 20:17:29,639 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:17:29,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 1009 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-04 20:17:29,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:17:29,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1437 backedges. 237 proven. 7 refuted. 0 times theorem prover too weak. 1193 trivial. 0 not checked. [2024-04-04 20:17:29,808 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:17:30,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1437 backedges. 239 proven. 5 refuted. 0 times theorem prover too weak. 1193 trivial. 0 not checked. [2024-04-04 20:17:30,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115367924] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:17:30,029 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:17:30,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 7, 8] total 37 [2024-04-04 20:17:30,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680670870] [2024-04-04 20:17:30,029 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:17:30,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-04-04 20:17:30,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:17:30,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-04-04 20:17:30,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=1185, Unknown=0, NotChecked=0, Total=1332 [2024-04-04 20:17:30,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:30,316 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:17:30,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 13.054054054054054) internal successors, (483), 37 states have internal predecessors, (483), 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 20:17:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:17:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:17:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:17:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:17:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:17:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:17:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:17:30,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:17:30,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 20:17:30,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 20:17:30,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 20:17:30,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:32,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:32,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:32,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:32,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:17:32,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:17:32,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:17:32,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:17:32,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:17:32,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:17:32,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:17:32,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:17:32,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 20:17:32,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 20:17:32,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 20:17:32,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-04 20:17:32,879 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 20:17:33,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:17:33,076 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 20:17:33,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:17:33,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1452346858, now seen corresponding path program 13 times [2024-04-04 20:17:33,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:17:33,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467674338] [2024-04-04 20:17:33,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:17:33,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:17:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:17:34,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1696 backedges. 133 proven. 503 refuted. 0 times theorem prover too weak. 1060 trivial. 0 not checked. [2024-04-04 20:17:34,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:17:34,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467674338] [2024-04-04 20:17:34,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467674338] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:17:34,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684230883] [2024-04-04 20:17:34,256 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-04 20:17:34,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:17:34,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:17:34,258 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 20:17:34,269 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 20:17:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:17:34,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 1287 conjuncts, 21 conjunts are in the unsatisfiable core [2024-04-04 20:17:34,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:17:35,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1696 backedges. 749 proven. 85 refuted. 0 times theorem prover too weak. 862 trivial. 0 not checked. [2024-04-04 20:17:35,047 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:17:35,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1696 backedges. 680 proven. 154 refuted. 0 times theorem prover too weak. 862 trivial. 0 not checked. [2024-04-04 20:17:35,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684230883] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:17:35,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:17:35,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 55 [2024-04-04 20:17:35,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899356057] [2024-04-04 20:17:35,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:17:35,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-04-04 20:17:35,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:17:36,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-04-04 20:17:36,193 INFO L85 PathProgramCache]: Analyzing trace with hash -2049149824, now seen corresponding path program 3 times [2024-04-04 20:17:36,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:17:36,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:17:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 20:17:36,508 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 20:17:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 20:17:37,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-04-04 20:17:37,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=459, Invalid=2621, Unknown=0, NotChecked=0, Total=3080 [2024-04-04 20:17:37,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:37,252 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:17:37,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 9.10909090909091) internal successors, (501), 55 states have internal predecessors, (501), 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 20:17:37,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:37,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:37,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:37,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:17:37,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:17:37,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:17:37,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:17:37,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:17:37,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:17:37,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:17:37,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:17:37,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 20:17:37,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 20:17:37,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 20:17:37,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-04 20:17:37,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:38,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:38,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:38,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:38,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:17:38,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:17:38,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:17:38,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:17:38,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:17:38,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:17:38,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:17:38,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:17:38,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 20:17:38,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 20:17:38,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 20:17:38,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-04 20:17:38,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 20:17:38,119 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-04-04 20:17:38,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-04-04 20:17:38,319 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 20:17:38,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:17:38,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1650192873, now seen corresponding path program 14 times [2024-04-04 20:17:38,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:17:38,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753357361] [2024-04-04 20:17:38,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:17:38,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:17:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:17:39,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1737 backedges. 157 proven. 630 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2024-04-04 20:17:39,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:17:39,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753357361] [2024-04-04 20:17:39,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753357361] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:17:39,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983236313] [2024-04-04 20:17:39,487 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 20:17:39,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:17:39,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:17:39,500 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 20:17:39,502 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 20:17:39,796 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 20:17:39,797 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:17:39,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 1301 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-04 20:17:39,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:17:40,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1737 backedges. 835 proven. 126 refuted. 0 times theorem prover too weak. 776 trivial. 0 not checked. [2024-04-04 20:17:40,306 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:17:41,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1737 backedges. 756 proven. 205 refuted. 0 times theorem prover too weak. 776 trivial. 0 not checked. [2024-04-04 20:17:41,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983236313] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:17:41,025 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:17:41,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 64 [2024-04-04 20:17:41,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057660103] [2024-04-04 20:17:41,025 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:17:41,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-04-04 20:17:41,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:17:41,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-04-04 20:17:41,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=601, Invalid=3431, Unknown=0, NotChecked=0, Total=4032 [2024-04-04 20:17:41,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:41,754 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:17:41,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 8.65625) internal successors, (554), 64 states have internal predecessors, (554), 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 20:17:41,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:41,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:41,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:41,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:17:41,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:17:41,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:17:41,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:17:41,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:17:41,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:17:41,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:17:41,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:17:41,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 20:17:41,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 20:17:41,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 20:17:41,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-04 20:17:41,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 20:17:41,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:42,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:42,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:42,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:42,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:17:42,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:17:42,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:17:42,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:17:42,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:17:42,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:17:42,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:17:42,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:17:42,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 20:17:42,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 20:17:42,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 20:17:42,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-04 20:17:42,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 20:17:42,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 20:17:42,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-04 20:17:43,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:17:43,028 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 20:17:43,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:17:43,028 INFO L85 PathProgramCache]: Analyzing trace with hash 834572612, now seen corresponding path program 15 times [2024-04-04 20:17:43,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:17:43,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831789179] [2024-04-04 20:17:43,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:17:43,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:17:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:17:44,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1786 backedges. 211 proven. 783 refuted. 0 times theorem prover too weak. 792 trivial. 0 not checked. [2024-04-04 20:17:44,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:17:44,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831789179] [2024-04-04 20:17:44,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831789179] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:17:44,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813751829] [2024-04-04 20:17:44,367 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 20:17:44,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:17:44,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:17:44,368 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 20:17:44,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-04 20:17:44,737 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-04 20:17:44,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:17:44,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-04 20:17:44,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:17:44,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1786 backedges. 278 proven. 89 refuted. 0 times theorem prover too weak. 1419 trivial. 0 not checked. [2024-04-04 20:17:44,961 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:17:45,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1786 backedges. 215 proven. 4 refuted. 0 times theorem prover too weak. 1567 trivial. 0 not checked. [2024-04-04 20:17:45,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813751829] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:17:45,044 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:17:45,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 8, 6] total 37 [2024-04-04 20:17:45,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012565849] [2024-04-04 20:17:45,044 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:17:45,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-04-04 20:17:45,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:17:45,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-04-04 20:17:45,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1060230298, now seen corresponding path program 4 times [2024-04-04 20:17:45,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:17:45,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:17:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 20:17:45,722 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 20:17:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 20:17:50,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-04-04 20:17:50,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=1253, Unknown=0, NotChecked=0, Total=1406 [2024-04-04 20:17:50,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:50,063 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:17:50,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 12.675675675675675) internal successors, (469), 37 states have internal predecessors, (469), 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 20:17:50,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:50,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:50,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:50,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:17:50,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:17:50,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:17:50,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:17:50,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:17:50,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:17:50,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:17:50,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:17:50,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 20:17:50,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 20:17:50,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 20:17:50,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-04 20:17:50,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 20:17:50,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 20:17:50,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:51,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:51,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:51,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:51,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:17:51,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:17:51,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:17:51,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:17:51,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:17:51,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:17:51,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:17:51,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:17:51,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 20:17:51,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 20:17:51,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 20:17:51,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-04 20:17:51,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 20:17:51,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 20:17:51,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 20:17:51,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-04-04 20:17:52,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:17:52,108 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 20:17:52,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:17:52,109 INFO L85 PathProgramCache]: Analyzing trace with hash 726441792, now seen corresponding path program 16 times [2024-04-04 20:17:52,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:17:52,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172384843] [2024-04-04 20:17:52,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:17:52,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:17:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:17:53,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1782 backedges. 545 proven. 788 refuted. 0 times theorem prover too weak. 449 trivial. 0 not checked. [2024-04-04 20:17:53,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:17:53,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172384843] [2024-04-04 20:17:53,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172384843] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:17:53,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664033963] [2024-04-04 20:17:53,493 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 20:17:53,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:17:53,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:17:53,494 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 20:17:53,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-04 20:17:53,733 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 20:17:53,733 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:17:53,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-04 20:17:53,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:17:54,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1782 backedges. 979 proven. 232 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2024-04-04 20:17:54,621 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:17:55,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1782 backedges. 870 proven. 341 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2024-04-04 20:17:55,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664033963] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:17:55,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:17:55,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 82 [2024-04-04 20:17:55,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167836627] [2024-04-04 20:17:55,505 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:17:55,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-04-04 20:17:55,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:17:55,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2024-04-04 20:17:56,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1403523673, now seen corresponding path program 5 times [2024-04-04 20:17:56,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:17:56,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:17:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 20:17:56,434 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 20:17:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 20:17:57,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-04-04 20:17:57,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=965, Invalid=5841, Unknown=0, NotChecked=0, Total=6806 [2024-04-04 20:17:57,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:57,339 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:17:57,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 8.21951219512195) internal successors, (674), 82 states have internal predecessors, (674), 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 20:17:57,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:57,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:57,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:57,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:17:57,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:17:57,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:17:57,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:17:57,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:17:57,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:17:57,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:17:57,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:17:57,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 20:17:57,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 20:17:57,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 20:17:57,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-04 20:17:57,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 20:17:57,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 20:17:57,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 20:17:57,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:58,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:17:58,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:58,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:17:58,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:17:58,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:17:58,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:17:58,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:17:58,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:17:58,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:17:58,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:17:58,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:17:58,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 20:17:58,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 20:17:58,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 20:17:58,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-04 20:17:58,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 20:17:58,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 20:17:58,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 20:17:58,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 20:17:58,573 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-04-04 20:17:58,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25 [2024-04-04 20:17:58,773 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 20:17:58,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:17:58,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1013224141, now seen corresponding path program 17 times [2024-04-04 20:17:58,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:17:58,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278081685] [2024-04-04 20:17:58,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:17:58,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:17:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:18:00,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1847 backedges. 732 proven. 865 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-04-04 20:18:00,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:18:00,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278081685] [2024-04-04 20:18:00,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278081685] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:18:00,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708844338] [2024-04-04 20:18:00,672 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 20:18:00,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:18:00,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:18:00,680 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 20:18:00,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-04-04 20:18:02,705 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-04-04 20:18:02,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:18:02,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 1344 conjuncts, 19 conjunts are in the unsatisfiable core [2024-04-04 20:18:02,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:18:03,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1847 backedges. 774 proven. 90 refuted. 0 times theorem prover too weak. 983 trivial. 0 not checked. [2024-04-04 20:18:03,202 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:18:04,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1847 backedges. 632 proven. 504 refuted. 0 times theorem prover too weak. 711 trivial. 0 not checked. [2024-04-04 20:18:04,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708844338] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:18:04,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:18:04,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 6, 20] total 61 [2024-04-04 20:18:04,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058691826] [2024-04-04 20:18:04,327 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:18:04,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-04-04 20:18:04,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:18:04,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-04-04 20:18:04,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=432, Invalid=3228, Unknown=0, NotChecked=0, Total=3660 [2024-04-04 20:18:04,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:18:04,729 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:18:04,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 13.229508196721312) internal successors, (807), 61 states have internal predecessors, (807), 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 20:18:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:18:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:18:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:18:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:18:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:18:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:18:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:18:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:18:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:18:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:18:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:18:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 20:18:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 20:18:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 20:18:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-04 20:18:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 20:18:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 20:18:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 20:18:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-04 20:18:04,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:18:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:18:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:18:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:18:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:18:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:18:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:18:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:18:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:18:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:18:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:18:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:18:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 20:18:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 20:18:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 20:18:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-04 20:18:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 20:18:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 20:18:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 20:18:06,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 20:18:06,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 20:18:06,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-04-04 20:18:06,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-04-04 20:18:06,546 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 20:18:06,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:18:06,546 INFO L85 PathProgramCache]: Analyzing trace with hash 297259592, now seen corresponding path program 18 times [2024-04-04 20:18:06,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:18:06,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809300153] [2024-04-04 20:18:06,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:18:06,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:18:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:18:08,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1138 backedges. 358 proven. 547 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-04-04 20:18:08,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:18:08,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809300153] [2024-04-04 20:18:08,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809300153] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:18:08,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482860973] [2024-04-04 20:18:08,084 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 20:18:08,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:18:08,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:18:08,087 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 20:18:08,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-04-04 20:18:10,030 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-04-04 20:18:10,030 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:18:10,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 1103 conjuncts, 35 conjunts are in the unsatisfiable core [2024-04-04 20:18:10,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:18:11,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1138 backedges. 535 proven. 370 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-04-04 20:18:11,000 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:18:12,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1138 backedges. 386 proven. 519 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-04-04 20:18:12,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482860973] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:18:12,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:18:12,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 100 [2024-04-04 20:18:12,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909807173] [2024-04-04 20:18:12,259 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:18:12,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2024-04-04 20:18:12,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:18:12,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2024-04-04 20:18:12,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1377, Invalid=8523, Unknown=0, NotChecked=0, Total=9900 [2024-04-04 20:18:12,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:18:12,616 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:18:12,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 7.75) internal successors, (775), 100 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 20:18:12,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:18:12,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:18:12,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:18:12,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:18:12,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:18:12,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:18:12,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:18:12,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:18:12,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:18:12,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:18:12,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:18:12,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 20:18:12,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 20:18:12,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 20:18:12,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-04 20:18:12,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 20:18:12,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 20:18:12,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 20:18:12,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-04 20:18:12,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 20:18:12,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:18:14,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:18:14,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:18:14,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:18:14,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:18:14,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:18:14,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:18:14,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:18:14,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:18:14,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:18:14,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:18:14,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:18:14,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 20:18:14,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 20:18:14,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 20:18:14,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-04 20:18:14,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 20:18:14,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 20:18:14,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 20:18:14,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 20:18:14,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 20:18:14,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:18:14,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-04-04 20:18:14,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-04-04 20:18:14,584 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 20:18:14,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:18:14,585 INFO L85 PathProgramCache]: Analyzing trace with hash -700694341, now seen corresponding path program 19 times [2024-04-04 20:18:14,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:18:14,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034156613] [2024-04-04 20:18:14,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:18:14,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:18:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:18:15,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 153 proven. 163 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2024-04-04 20:18:15,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:18:15,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034156613] [2024-04-04 20:18:15,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034156613] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:18:15,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869813004] [2024-04-04 20:18:15,711 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-04 20:18:15,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:18:15,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:18:15,714 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 20:18:15,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-04-04 20:18:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:18:16,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 1117 conjuncts, 33 conjunts are in the unsatisfiable core [2024-04-04 20:18:16,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:18:17,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 77 proven. 458 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-04-04 20:18:17,109 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:18:17,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 59 proven. 261 refuted. 0 times theorem prover too weak. 899 trivial. 0 not checked. [2024-04-04 20:18:17,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869813004] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:18:17,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:18:17,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 28, 16] total 53 [2024-04-04 20:18:17,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630412966] [2024-04-04 20:18:17,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:18:17,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-04-04 20:18:17,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:18:18,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-04-04 20:18:18,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=433, Invalid=2323, Unknown=0, NotChecked=0, Total=2756 [2024-04-04 20:18:18,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:18:18,077 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:18:18,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 13.30188679245283) internal successors, (705), 53 states have internal predecessors, (705), 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 20:18:18,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:18:18,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:18:18,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:18:18,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:18:18,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:18:18,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:18:18,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:18:18,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:18:18,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:18:18,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:18:18,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:18:18,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 20:18:18,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 20:18:18,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 20:18:18,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-04 20:18:18,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 20:18:18,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 20:18:18,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 20:18:18,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-04 20:18:18,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 20:18:18,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:18:18,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:18:21,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:18:21,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:18:21,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:18:21,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:18:21,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:18:21,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:18:21,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:18:21,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:18:21,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:18:21,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:18:21,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:18:21,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-04 20:18:21,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 20:18:21,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 20:18:21,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-04 20:18:21,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 20:18:21,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 20:18:21,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 20:18:21,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 20:18:21,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 20:18:21,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:18:21,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-04-04 20:18:21,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-04-04 20:18:21,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-04-04 20:18:21,535 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 20:18:21,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:18:21,535 INFO L85 PathProgramCache]: Analyzing trace with hash 164609433, now seen corresponding path program 20 times [2024-04-04 20:18:21,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:18:21,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108692322] [2024-04-04 20:18:21,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:18:21,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:18:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:18:22,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1101 backedges. 65 proven. 118 refuted. 0 times theorem prover too weak. 918 trivial. 0 not checked. [2024-04-04 20:18:22,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:18:22,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108692322] [2024-04-04 20:18:22,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108692322] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:18:22,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285651310] [2024-04-04 20:18:22,860 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 20:18:22,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:18:22,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:18:22,861 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 20:18:22,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-04-04 20:18:23,167 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 20:18:23,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:18:23,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 20:18:23,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:18:24,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1101 backedges. 65 proven. 352 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-04-04 20:18:24,138 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:18:24,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1101 backedges. 17 proven. 128 refuted. 0 times theorem prover too weak. 956 trivial. 0 not checked. [2024-04-04 20:18:24,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285651310] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:18:24,550 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:18:24,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 23, 11] total 40 [2024-04-04 20:18:24,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906403625] [2024-04-04 20:18:24,550 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:18:24,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-04-04 20:18:24,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:18:25,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-04-04 20:18:25,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=1378, Unknown=0, NotChecked=0, Total=1560 [2024-04-04 20:18:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:18:25,016 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:18:25,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 16.05) internal successors, (642), 40 states have internal predecessors, (642), 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 20:18:25,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:18:25,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:18:25,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:18:25,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:18:25,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:18:25,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:18:25,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:18:25,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:18:25,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:18:25,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:18:25,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:18:25,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-04 20:18:25,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 20:18:25,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 20:18:25,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-04 20:18:25,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 20:18:25,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 20:18:25,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 20:18:25,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-04 20:18:25,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 20:18:25,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:18:25,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-04-04 20:18:25,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:18:28,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:18:28,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:18:28,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:18:28,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:18:28,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:18:28,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:18:28,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:18:28,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:18:28,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:18:28,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:18:28,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:18:28,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-04 20:18:28,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 20:18:28,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:18:28,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-04 20:18:28,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 20:18:28,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 20:18:28,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 20:18:28,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 20:18:28,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 20:18:28,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:18:28,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-04 20:18:28,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-04-04 20:18:28,724 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-04-04 20:18:28,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:18:28,924 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 20:18:28,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:18:28,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1372976785, now seen corresponding path program 21 times [2024-04-04 20:18:28,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:18:28,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023859186] [2024-04-04 20:18:28,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:18:28,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:18:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:18:29,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 407 proven. 290 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2024-04-04 20:18:29,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:18:29,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023859186] [2024-04-04 20:18:29,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023859186] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:18:29,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392442248] [2024-04-04 20:18:29,972 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 20:18:29,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:18:29,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:18:29,977 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 20:18:29,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-04-04 20:18:32,725 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2024-04-04 20:18:32,725 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:18:32,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-04 20:18:32,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:18:33,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 465 proven. 232 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2024-04-04 20:18:33,826 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:18:34,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 365 proven. 332 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2024-04-04 20:18:34,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392442248] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:18:34,986 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:18:34,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30, 30] total 87 [2024-04-04 20:18:34,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842954212] [2024-04-04 20:18:34,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:18:34,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2024-04-04 20:18:34,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:18:35,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2024-04-04 20:18:35,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=847, Invalid=6635, Unknown=0, NotChecked=0, Total=7482 [2024-04-04 20:18:35,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:18:35,385 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:18:35,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 9.206896551724139) internal successors, (801), 87 states have internal predecessors, (801), 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 20:18:35,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:18:35,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:18:35,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:18:35,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:18:35,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:18:35,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:18:35,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:18:35,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:18:35,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:18:35,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:18:35,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:18:35,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-04 20:18:35,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 20:18:35,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:18:35,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-04 20:18:35,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 20:18:35,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 20:18:35,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 20:18:35,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-04 20:18:35,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 20:18:35,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:18:35,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2024-04-04 20:18:35,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-04-04 20:18:35,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:18:36,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:18:36,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:18:36,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:18:36,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 20:18:36,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 20:18:36,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 20:18:36,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 20:18:36,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 20:18:36,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:18:36,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:18:36,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 20:18:36,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-04 20:18:36,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 20:18:36,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:18:36,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-04 20:18:36,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 20:18:36,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 20:18:36,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 20:18:36,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 20:18:36,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 20:18:36,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 20:18:36,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-04 20:18:36,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-04-04 20:18:36,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 20:18:36,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-04-04 20:18:37,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:18:37,153 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 20:18:37,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:18:37,153 INFO L85 PathProgramCache]: Analyzing trace with hash -594877196, now seen corresponding path program 22 times [2024-04-04 20:18:37,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:18:37,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629625865] [2024-04-04 20:18:37,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:18:37,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:18:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:20:16,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1216 backedges. 54 proven. 1162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:20:16,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:20:16,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629625865] [2024-04-04 20:20:16,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629625865] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:20:16,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951790806] [2024-04-04 20:20:16,927 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 20:20:16,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:20:16,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:20:16,929 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 20:20:16,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-04-04 20:20:18,121 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 20:20:18,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:20:18,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 1108 conjuncts, 229 conjunts are in the unsatisfiable core [2024-04-04 20:20:18,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:20:35,848 INFO L349 Elim1Store]: treesize reduction 1336, result has 21.1 percent of original size [2024-04-04 20:20:35,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 555 treesize of output 447 [2024-04-04 20:20:35,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1216 backedges. 352 proven. 730 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-04-04 20:20:35,892 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:21:37,830 WARN L293 SmtUtils]: Spent 45.01s on a formula simplification. DAG size of input: 1692 DAG size of output: 1500 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-04-04 20:21:37,831 INFO L349 Elim1Store]: treesize reduction 1272, result has 84.2 percent of original size [2024-04-04 20:21:37,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 36 select indices, 36 select index equivalence classes, 0 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 630 case distinctions, treesize of input 557 treesize of output 6865 Received shutdown request... [2024-04-04 20:30:35,838 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 20:30:35,839 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 20:30:35,839 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 20:30:35,849 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-04-04 20:30:35,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-04-04 20:30:36,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-04-04 20:30:36,061 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 441 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-328-332-2-153-2-97-2-57-2-109-2-86-2-42-2-96-2-90-2-71-2-34-2-30-2-26-2-20-2-19-2-9-2-1 context. [2024-04-04 20:30:36,062 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2024-04-04 20:30:36,062 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-04-04 20:30:36,062 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-04-04 20:30:36,063 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-04-04 20:30:36,065 INFO L445 BasicCegarLoop]: Path program histogram: [22, 5, 1, 1, 1] [2024-04-04 20:30:36,068 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 20:30:36,068 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 20:30:36,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 08:30:36 BasicIcfg [2024-04-04 20:30:36,069 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 20:30:36,070 INFO L158 Benchmark]: Toolchain (without parser) took 826565.61ms. Allocated memory was 203.4MB in the beginning and 3.4GB in the end (delta: 3.2GB). Free memory was 135.7MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 2.3GB. Max. memory is 8.0GB. [2024-04-04 20:30:36,070 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 203.4MB. Free memory is still 169.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 20:30:36,070 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.50ms. Allocated memory was 203.4MB in the beginning and 271.6MB in the end (delta: 68.2MB). Free memory was 135.5MB in the beginning and 234.9MB in the end (delta: -99.4MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2024-04-04 20:30:36,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.44ms. Allocated memory is still 271.6MB. Free memory was 234.9MB in the beginning and 232.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-04-04 20:30:36,070 INFO L158 Benchmark]: Boogie Preprocessor took 47.81ms. Allocated memory is still 271.6MB. Free memory was 232.3MB in the beginning and 230.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 20:30:36,071 INFO L158 Benchmark]: RCFGBuilder took 593.37ms. Allocated memory is still 271.6MB. Free memory was 230.2MB in the beginning and 180.4MB in the end (delta: 49.8MB). Peak memory consumption was 49.3MB. Max. memory is 8.0GB. [2024-04-04 20:30:36,071 INFO L158 Benchmark]: TraceAbstraction took 825641.27ms. Allocated memory was 271.6MB in the beginning and 3.4GB in the end (delta: 3.1GB). Free memory was 178.8MB in the beginning and 2.9GB in the end (delta: -2.7GB). Peak memory consumption was 2.3GB. Max. memory is 8.0GB. [2024-04-04 20:30:36,072 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 203.4MB. Free memory is still 169.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 240.50ms. Allocated memory was 203.4MB in the beginning and 271.6MB in the end (delta: 68.2MB). Free memory was 135.5MB in the beginning and 234.9MB in the end (delta: -99.4MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.44ms. Allocated memory is still 271.6MB. Free memory was 234.9MB in the beginning and 232.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 47.81ms. Allocated memory is still 271.6MB. Free memory was 232.3MB in the beginning and 230.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 593.37ms. Allocated memory is still 271.6MB. Free memory was 230.2MB in the beginning and 180.4MB in the end (delta: 49.8MB). Peak memory consumption was 49.3MB. Max. memory is 8.0GB. * TraceAbstraction took 825641.27ms. Allocated memory was 271.6MB in the beginning and 3.4GB in the end (delta: 3.1GB). Free memory was 178.8MB in the beginning and 2.9GB in the end (delta: -2.7GB). Peak memory consumption was 2.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 890148, independent: 836452, independent conditional: 836452, independent unconditional: 0, dependent: 53696, dependent conditional: 53610, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 838979, independent: 836452, independent conditional: 836452, independent unconditional: 0, dependent: 2527, dependent conditional: 2527, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 838979, independent: 836452, independent conditional: 836452, independent unconditional: 0, dependent: 2527, dependent conditional: 2527, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 838979, independent: 836452, independent conditional: 836452, independent unconditional: 0, dependent: 2527, dependent conditional: 2527, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 857128, independent: 836452, independent conditional: 42720, independent unconditional: 793732, dependent: 20676, dependent conditional: 15032, dependent unconditional: 5644, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 857128, independent: 836452, independent conditional: 20305, independent unconditional: 816147, dependent: 20676, dependent conditional: 10621, dependent unconditional: 10055, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 857128, independent: 836452, independent conditional: 20305, independent unconditional: 816147, dependent: 20676, dependent conditional: 10621, dependent unconditional: 10055, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1237, independent: 1113, independent conditional: 96, independent unconditional: 1017, dependent: 124, dependent conditional: 116, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1237, independent: 1093, independent conditional: 0, independent unconditional: 1093, dependent: 144, dependent conditional: 0, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 144, independent: 20, independent conditional: 18, independent unconditional: 2, dependent: 124, dependent conditional: 116, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 144, independent: 20, independent conditional: 18, independent unconditional: 2, dependent: 124, dependent conditional: 116, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 496, independent: 52, independent conditional: 41, independent unconditional: 10, dependent: 444, dependent conditional: 350, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 857128, independent: 835339, independent conditional: 20209, independent unconditional: 815130, dependent: 20552, dependent conditional: 10505, dependent unconditional: 10047, unknown: 1237, unknown conditional: 212, unknown unconditional: 1025] , Statistics on independence cache: Total cache size (in pairs): 1237, Positive cache size: 1113, Positive conditional cache size: 96, Positive unconditional cache size: 1017, Negative cache size: 124, Negative conditional cache size: 116, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 26826, Maximal queried relation: 13, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 857128, independent: 836452, independent conditional: 42720, independent unconditional: 793732, dependent: 20676, dependent conditional: 15032, dependent unconditional: 5644, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 857128, independent: 836452, independent conditional: 20305, independent unconditional: 816147, dependent: 20676, dependent conditional: 10621, dependent unconditional: 10055, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 857128, independent: 836452, independent conditional: 20305, independent unconditional: 816147, dependent: 20676, dependent conditional: 10621, dependent unconditional: 10055, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1237, independent: 1113, independent conditional: 96, independent unconditional: 1017, dependent: 124, dependent conditional: 116, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1237, independent: 1093, independent conditional: 0, independent unconditional: 1093, dependent: 144, dependent conditional: 0, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 144, independent: 20, independent conditional: 18, independent unconditional: 2, dependent: 124, dependent conditional: 116, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 144, independent: 20, independent conditional: 18, independent unconditional: 2, dependent: 124, dependent conditional: 116, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 496, independent: 52, independent conditional: 41, independent unconditional: 10, dependent: 444, dependent conditional: 350, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 857128, independent: 835339, independent conditional: 20209, independent unconditional: 815130, dependent: 20552, dependent conditional: 10505, dependent unconditional: 10047, unknown: 1237, unknown conditional: 212, unknown unconditional: 1025] , Statistics on independence cache: Total cache size (in pairs): 1237, Positive cache size: 1113, Positive conditional cache size: 96, Positive unconditional cache size: 1017, Negative cache size: 124, Negative conditional cache size: 116, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 26826 ], Independence queries for same thread: 51169 - TimeoutResultAtElement [Line: 148]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 441 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-328-332-2-153-2-97-2-57-2-109-2-86-2-42-2-96-2-90-2-71-2-34-2-30-2-26-2-20-2-19-2-9-2-1 context. - TimeoutResultAtElement [Line: 138]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 441 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-328-332-2-153-2-97-2-57-2-109-2-86-2-42-2-96-2-90-2-71-2-34-2-30-2-26-2-20-2-19-2-9-2-1 context. - TimeoutResultAtElement [Line: 141]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 441 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-328-332-2-153-2-97-2-57-2-109-2-86-2-42-2-96-2-90-2-71-2-34-2-30-2-26-2-20-2-19-2-9-2-1 context. - TimeoutResultAtElement [Line: 139]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 441 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-328-332-2-153-2-97-2-57-2-109-2-86-2-42-2-96-2-90-2-71-2-34-2-30-2-26-2-20-2-19-2-9-2-1 context. - TimeoutResultAtElement [Line: 140]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 441 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-328-332-2-153-2-97-2-57-2-109-2-86-2-42-2-96-2-90-2-71-2-34-2-30-2-26-2-20-2-19-2-9-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 250 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 825.5s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 22, EmptinessCheckTime: 31.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1000, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.2s SsaConstructionTime, 10.2s SatisfiabilityAnalysisTime, 40.6s InterpolantComputationTime, 15828 NumberOfCodeBlocks, 14962 NumberOfCodeBlocksAsserted, 103 NumberOfCheckSat, 23199 ConstructedInterpolants, 0 QuantifiedInterpolants, 87494 SizeOfPredicates, 223 NumberOfNonLiveVariables, 17066 ConjunctsInSsa, 380 ConjunctsInUnsatCore, 64 InterpolantComputations, 4 PerfectInterpolantSequences, 43231/54602 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown