/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-max-array-hom.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-06 12:19:16,906 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-06 12:19:16,994 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-06 12:19:17,001 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-06 12:19:17,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-06 12:19:17,029 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-06 12:19:17,030 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-06 12:19:17,030 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-06 12:19:17,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-06 12:19:17,035 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-06 12:19:17,035 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-06 12:19:17,035 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-06 12:19:17,035 INFO L153 SettingsManager]: * Use SBE=true [2024-05-06 12:19:17,037 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-06 12:19:17,037 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-06 12:19:17,038 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-06 12:19:17,038 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-06 12:19:17,038 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-06 12:19:17,038 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-06 12:19:17,038 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-06 12:19:17,039 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-06 12:19:17,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-06 12:19:17,039 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-06 12:19:17,040 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-06 12:19:17,040 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-06 12:19:17,041 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-06 12:19:17,041 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-06 12:19:17,041 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-06 12:19:17,041 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-06 12:19:17,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 12:19:17,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-06 12:19:17,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-06 12:19:17,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-06 12:19:17,043 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-06 12:19:17,043 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-06 12:19:17,044 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-06 12:19:17,044 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-06 12:19:17,044 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-06 12:19:17,044 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-06 12:19:17,044 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-06 12:19:17,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-06 12:19:17,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-06 12:19:17,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-06 12:19:17,302 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-06 12:19:17,303 INFO L274 PluginConnector]: CDTParser initialized [2024-05-06 12:19:17,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-max-array-hom.wvr.c [2024-05-06 12:19:18,537 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-06 12:19:18,740 INFO L384 CDTParser]: Found 1 translation units. [2024-05-06 12:19:18,740 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-max-array-hom.wvr.c [2024-05-06 12:19:18,748 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/164a6a38e/6b17e395dbfb4db4baaee3f99f39eb04/FLAGda9b1eb06 [2024-05-06 12:19:18,771 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/164a6a38e/6b17e395dbfb4db4baaee3f99f39eb04 [2024-05-06 12:19:18,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-06 12:19:18,776 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-06 12:19:18,779 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-06 12:19:18,779 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-06 12:19:18,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-06 12:19:18,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 12:19:18" (1/1) ... [2024-05-06 12:19:18,784 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59db766c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:19:18, skipping insertion in model container [2024-05-06 12:19:18,784 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 12:19:18" (1/1) ... [2024-05-06 12:19:18,811 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-06 12:19:18,953 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-max-array-hom.wvr.c[2586,2599] [2024-05-06 12:19:18,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 12:19:18,969 INFO L202 MainTranslator]: Completed pre-run [2024-05-06 12:19:18,986 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-max-array-hom.wvr.c[2586,2599] [2024-05-06 12:19:18,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 12:19:18,995 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 12:19:18,995 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 12:19:19,000 INFO L206 MainTranslator]: Completed translation [2024-05-06 12:19:19,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:19:19 WrapperNode [2024-05-06 12:19:19,001 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-06 12:19:19,002 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-06 12:19:19,002 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-06 12:19:19,002 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-06 12:19:19,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:19:19" (1/1) ... [2024-05-06 12:19:19,015 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:19:19" (1/1) ... [2024-05-06 12:19:19,051 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 105 [2024-05-06 12:19:19,052 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-06 12:19:19,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-06 12:19:19,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-06 12:19:19,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-06 12:19:19,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:19:19" (1/1) ... [2024-05-06 12:19:19,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:19:19" (1/1) ... [2024-05-06 12:19:19,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:19:19" (1/1) ... [2024-05-06 12:19:19,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:19:19" (1/1) ... [2024-05-06 12:19:19,075 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:19:19" (1/1) ... [2024-05-06 12:19:19,079 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:19:19" (1/1) ... [2024-05-06 12:19:19,080 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:19:19" (1/1) ... [2024-05-06 12:19:19,081 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:19:19" (1/1) ... [2024-05-06 12:19:19,084 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-06 12:19:19,085 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-06 12:19:19,085 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-06 12:19:19,085 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-06 12:19:19,086 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:19:19" (1/1) ... [2024-05-06 12:19:19,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 12:19:19,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:19:19,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-06 12:19:19,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-06 12:19:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-06 12:19:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-06 12:19:19,179 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-06 12:19:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-06 12:19:19,179 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-06 12:19:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-06 12:19:19,180 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-06 12:19:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-06 12:19:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-06 12:19:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-06 12:19:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-06 12:19:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-06 12:19:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-06 12:19:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-06 12:19:19,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-06 12:19:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-06 12:19:19,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-06 12:19:19,185 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-06 12:19:19,309 INFO L241 CfgBuilder]: Building ICFG [2024-05-06 12:19:19,311 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-06 12:19:19,621 INFO L282 CfgBuilder]: Performing block encoding [2024-05-06 12:19:19,691 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-06 12:19:19,691 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-05-06 12:19:19,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 12:19:19 BoogieIcfgContainer [2024-05-06 12:19:19,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-06 12:19:19,695 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-06 12:19:19,695 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-06 12:19:19,698 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-06 12:19:19,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 12:19:18" (1/3) ... [2024-05-06 12:19:19,699 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dde3d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 12:19:19, skipping insertion in model container [2024-05-06 12:19:19,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:19:19" (2/3) ... [2024-05-06 12:19:19,699 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dde3d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 12:19:19, skipping insertion in model container [2024-05-06 12:19:19,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 12:19:19" (3/3) ... [2024-05-06 12:19:19,701 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-max-array-hom.wvr.c [2024-05-06 12:19:19,708 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-06 12:19:19,716 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-06 12:19:19,717 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-06 12:19:19,717 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-06 12:19:19,800 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-06 12:19:19,839 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-06 12:19:19,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-06 12:19:19,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:19:19,840 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-06 12:19:19,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-06 12:19:19,872 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-06 12:19:19,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:19:19,885 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-06 12:19:19,891 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;@3f3d916e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-06 12:19:19,891 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-06 12:19:20,234 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:19:20,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:19:20,236 INFO L85 PathProgramCache]: Analyzing trace with hash -558164939, now seen corresponding path program 1 times [2024-05-06 12:19:20,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:19:20,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836364772] [2024-05-06 12:19:20,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:19:20,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:19:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:19:20,595 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-06 12:19:20,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:19:20,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836364772] [2024-05-06 12:19:20,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836364772] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 12:19:20,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 12:19:20,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-06 12:19:20,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139798610] [2024-05-06 12:19:20,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 12:19:20,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-06 12:19:20,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:19:20,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-06 12:19:20,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-06 12:19:20,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:20,626 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:19:20,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 61.0) internal successors, (122), 2 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 12:19:20,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:20,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:20,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-06 12:19:20,746 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:19:20,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:19:20,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1646641701, now seen corresponding path program 1 times [2024-05-06 12:19:20,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:19:20,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492748803] [2024-05-06 12:19:20,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:19:20,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:19:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:19:21,173 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-06 12:19:21,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:19:21,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492748803] [2024-05-06 12:19:21,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492748803] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 12:19:21,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 12:19:21,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-06 12:19:21,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189910829] [2024-05-06 12:19:21,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 12:19:21,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-06 12:19:21,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:19:21,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-06 12:19:21,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-05-06 12:19:21,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:21,178 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:19:21,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 12:19:21,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:21,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:21,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:21,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:19:21,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-06 12:19:21,421 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:19:21,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:19:21,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1620260655, now seen corresponding path program 1 times [2024-05-06 12:19:21,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:19:21,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623405676] [2024-05-06 12:19:21,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:19:21,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:19:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:19:21,904 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 12:19:21,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:19:21,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623405676] [2024-05-06 12:19:21,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623405676] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:19:21,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729668264] [2024-05-06 12:19:21,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:19:21,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:19:21,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:19:21,934 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:19:21,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-06 12:19:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:19:22,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-06 12:19:22,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:19:22,352 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 12:19:22,352 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:19:22,628 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 12:19:22,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729668264] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 12:19:22,629 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 12:19:22,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-05-06 12:19:22,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375351575] [2024-05-06 12:19:22,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 12:19:22,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-05-06 12:19:22,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:19:22,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-05-06 12:19:22,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-05-06 12:19:22,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:22,638 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:19:22,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.375) internal successors, (225), 24 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 12:19:22,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:22,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:19:22,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:23,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:23,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:19:23,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:19:23,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-06 12:19:23,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-05-06 12:19:23,247 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:19:23,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:19:23,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1285029319, now seen corresponding path program 2 times [2024-05-06 12:19:23,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:19:23,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976631312] [2024-05-06 12:19:23,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:19:23,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:19:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:19:23,592 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 12:19:23,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:19:23,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976631312] [2024-05-06 12:19:23,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976631312] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:19:23,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828010549] [2024-05-06 12:19:23,598 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 12:19:23,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:19:23,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:19:23,600 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:19:23,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-06 12:19:23,723 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 12:19:23,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 12:19:23,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-06 12:19:23,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:19:24,051 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-06 12:19:24,051 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:19:24,327 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-06 12:19:24,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828010549] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 12:19:24,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 12:19:24,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 29 [2024-05-06 12:19:24,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573706123] [2024-05-06 12:19:24,328 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 12:19:24,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-05-06 12:19:24,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:19:24,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-05-06 12:19:24,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=721, Unknown=0, NotChecked=0, Total=812 [2024-05-06 12:19:24,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:24,330 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:19:24,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 8.586206896551724) internal successors, (249), 29 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 12:19:24,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:24,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:19:24,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:19:24,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:25,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:25,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:19:25,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:19:25,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:19:25,964 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-05-06 12:19:26,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:19:26,164 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:19:26,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:19:26,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1319334443, now seen corresponding path program 1 times [2024-05-06 12:19:26,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:19:26,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021032077] [2024-05-06 12:19:26,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:19:26,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:19:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:19:26,508 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 12:19:26,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:19:26,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021032077] [2024-05-06 12:19:26,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021032077] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:19:26,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091658793] [2024-05-06 12:19:26,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:19:26,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:19:26,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:19:26,510 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:19:26,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-06 12:19:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:19:26,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-06 12:19:26,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:19:26,963 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-06 12:19:26,964 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:19:27,440 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-06 12:19:27,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091658793] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 12:19:27,441 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 12:19:27,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 38 [2024-05-06 12:19:27,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007799054] [2024-05-06 12:19:27,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 12:19:27,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-05-06 12:19:27,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:19:27,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-05-06 12:19:27,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=1204, Unknown=0, NotChecked=0, Total=1406 [2024-05-06 12:19:27,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:27,449 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:19:27,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 7.342105263157895) internal successors, (279), 38 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 12:19:27,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:27,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:19:27,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:19:27,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:19:27,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:28,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:28,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:19:28,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:19:28,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:19:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:19:28,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-06 12:19:28,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:19:28,294 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:19:28,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:19:28,295 INFO L85 PathProgramCache]: Analyzing trace with hash -758601163, now seen corresponding path program 2 times [2024-05-06 12:19:28,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:19:28,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748564773] [2024-05-06 12:19:28,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:19:28,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:19:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:19:28,692 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 16 proven. 42 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 12:19:28,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:19:28,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748564773] [2024-05-06 12:19:28,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748564773] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:19:28,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122553943] [2024-05-06 12:19:28,694 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 12:19:28,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:19:28,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:19:28,695 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:19:28,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-06 12:19:28,814 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 12:19:28,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 12:19:28,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-06 12:19:28,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:19:29,230 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 24 proven. 34 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 12:19:29,231 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:19:29,586 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 41 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 12:19:29,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122553943] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 12:19:29,586 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 12:19:29,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2024-05-06 12:19:29,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70383745] [2024-05-06 12:19:29,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 12:19:29,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-05-06 12:19:29,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:19:29,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-05-06 12:19:29,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=918, Unknown=0, NotChecked=0, Total=1122 [2024-05-06 12:19:29,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:29,589 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:19:29,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 8.617647058823529) internal successors, (293), 34 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 12:19:29,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:29,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:19:29,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:19:29,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:19:29,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:19:29,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:30,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:30,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:19:30,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:19:30,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:19:30,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:19:30,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:19:30,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-06 12:19:30,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-05-06 12:19:30,338 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:19:30,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:19:30,338 INFO L85 PathProgramCache]: Analyzing trace with hash -690479566, now seen corresponding path program 3 times [2024-05-06 12:19:30,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:19:30,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864197882] [2024-05-06 12:19:30,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:19:30,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:19:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:19:30,842 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 53 proven. 43 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 12:19:30,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:19:30,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864197882] [2024-05-06 12:19:30,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864197882] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:19:30,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307551588] [2024-05-06 12:19:30,843 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-06 12:19:30,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:19:30,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:19:30,845 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:19:30,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-06 12:19:31,235 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-05-06 12:19:31,236 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 12:19:31,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-06 12:19:31,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:19:31,893 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 19 proven. 51 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-06 12:19:31,893 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:19:32,670 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 22 proven. 48 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-06 12:19:32,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [307551588] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 12:19:32,671 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 12:19:32,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 19] total 54 [2024-05-06 12:19:32,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556711744] [2024-05-06 12:19:32,671 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 12:19:32,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-05-06 12:19:32,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:19:32,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-05-06 12:19:32,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=2642, Unknown=0, NotChecked=0, Total=2862 [2024-05-06 12:19:32,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:32,674 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:19:32,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 6.851851851851852) internal successors, (370), 54 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 12:19:32,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:32,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:19:32,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:19:32,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:19:32,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:19:32,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:19:32,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:38,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:38,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:19:38,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:19:38,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:19:38,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:19:38,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:19:38,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-05-06 12:19:38,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-06 12:19:38,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:19:38,934 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:19:38,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:19:38,934 INFO L85 PathProgramCache]: Analyzing trace with hash 282976767, now seen corresponding path program 4 times [2024-05-06 12:19:38,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:19:38,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287933496] [2024-05-06 12:19:38,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:19:38,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:19:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:19:40,881 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 186 proven. 139 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 12:19:40,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:19:40,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287933496] [2024-05-06 12:19:40,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287933496] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:19:40,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667326723] [2024-05-06 12:19:40,881 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-06 12:19:40,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:19:40,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:19:40,885 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:19:40,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-06 12:19:41,019 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-06 12:19:41,019 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 12:19:41,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 22 conjunts are in the unsatisfiable core [2024-05-06 12:19:41,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:19:41,952 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 156 proven. 68 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-05-06 12:19:41,952 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:19:43,004 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 172 proven. 52 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-05-06 12:19:43,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667326723] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 12:19:43,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 12:19:43,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 23, 23] total 87 [2024-05-06 12:19:43,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296424197] [2024-05-06 12:19:43,005 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 12:19:43,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2024-05-06 12:19:43,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:19:43,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2024-05-06 12:19:43,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=632, Invalid=6850, Unknown=0, NotChecked=0, Total=7482 [2024-05-06 12:19:43,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:43,012 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:19:43,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 4.931034482758621) internal successors, (429), 87 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 12:19:43,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:43,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:19:43,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:19:43,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:19:43,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:19:43,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:19:43,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2024-05-06 12:19:43,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:19:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:19:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:19:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:19:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:19:44,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-05-06 12:19:44,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-06 12:19:44,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-06 12:19:44,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-05-06 12:19:44,267 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:19:44,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:19:44,268 INFO L85 PathProgramCache]: Analyzing trace with hash 289409801, now seen corresponding path program 5 times [2024-05-06 12:19:44,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:19:44,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010610753] [2024-05-06 12:19:44,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:19:44,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:19:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:19:45,035 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 249 proven. 102 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-06 12:19:45,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:19:45,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010610753] [2024-05-06 12:19:45,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010610753] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:19:45,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678808653] [2024-05-06 12:19:45,036 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-06 12:19:45,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:19:45,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:19:45,037 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:19:45,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-06 12:19:45,418 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-05-06 12:19:45,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 12:19:45,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 26 conjunts are in the unsatisfiable core [2024-05-06 12:19:45,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:19:46,192 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 266 proven. 85 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-06 12:19:46,192 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:19:46,795 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 266 proven. 85 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-06 12:19:46,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678808653] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 12:19:46,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 12:19:46,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 64 [2024-05-06 12:19:46,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455939654] [2024-05-06 12:19:46,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 12:19:46,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-05-06 12:19:46,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:19:46,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-05-06 12:19:46,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=3402, Unknown=0, NotChecked=0, Total=4032 [2024-05-06 12:19:46,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:46,798 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:19:46,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 7.140625) internal successors, (457), 64 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) [2024-05-06 12:19:46,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:46,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:19:46,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:19:46,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:19:46,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:19:46,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:19:46,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2024-05-06 12:19:46,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-06 12:19:46,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:47,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:47,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:19:47,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:19:47,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:19:47,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:19:47,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:19:47,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-05-06 12:19:47,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-06 12:19:47,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:19:47,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-06 12:19:47,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:19:47,785 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:19:47,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:19:47,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1343588883, now seen corresponding path program 6 times [2024-05-06 12:19:47,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:19:47,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288264141] [2024-05-06 12:19:47,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:19:47,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:19:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:19:48,592 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 233 proven. 166 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 12:19:48,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:19:48,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288264141] [2024-05-06 12:19:48,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288264141] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:19:48,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754946914] [2024-05-06 12:19:48,593 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-06 12:19:48,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:19:48,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:19:48,595 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:19:48,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-06 12:19:49,139 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-05-06 12:19:49,139 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 12:19:49,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 30 conjunts are in the unsatisfiable core [2024-05-06 12:19:49,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:19:50,124 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 193 proven. 152 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-05-06 12:19:50,124 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:19:51,243 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 219 proven. 126 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-05-06 12:19:51,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754946914] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 12:19:51,244 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 12:19:51,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31, 31] total 86 [2024-05-06 12:19:51,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112266308] [2024-05-06 12:19:51,244 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 12:19:51,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2024-05-06 12:19:51,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:19:51,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2024-05-06 12:19:51,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=842, Invalid=6468, Unknown=0, NotChecked=0, Total=7310 [2024-05-06 12:19:51,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:51,248 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:19:51,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 5.813953488372093) internal successors, (500), 86 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 12:19:51,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:51,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:19:51,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:19:51,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:19:51,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:19:51,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:19:51,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2024-05-06 12:19:51,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-06 12:19:51,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:19:51,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:52,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:52,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:19:52,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:19:52,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:19:52,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:19:52,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:19:52,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-05-06 12:19:52,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-06 12:19:52,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:19:52,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-06 12:19:52,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-06 12:19:52,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-05-06 12:19:52,535 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:19:52,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:19:52,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1482137827, now seen corresponding path program 7 times [2024-05-06 12:19:52,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:19:52,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832757252] [2024-05-06 12:19:52,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:19:52,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:19:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:19:53,435 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 132 proven. 316 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 12:19:53,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:19:53,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832757252] [2024-05-06 12:19:53,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832757252] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:19:53,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942303595] [2024-05-06 12:19:53,435 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-06 12:19:53,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:19:53,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:19:53,437 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:19:53,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-06 12:19:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:19:53,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 34 conjunts are in the unsatisfiable core [2024-05-06 12:19:53,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:19:54,780 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 219 proven. 190 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-05-06 12:19:54,780 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:19:56,081 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 234 proven. 175 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-05-06 12:19:56,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942303595] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 12:19:56,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 12:19:56,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 35, 35] total 96 [2024-05-06 12:19:56,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014146040] [2024-05-06 12:19:56,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 12:19:56,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-05-06 12:19:56,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:19:56,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-05-06 12:19:56,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=871, Invalid=8249, Unknown=0, NotChecked=0, Total=9120 [2024-05-06 12:19:56,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:56,086 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:19:56,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 6.0625) internal successors, (582), 96 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 12:19:56,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:56,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:19:56,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:19:56,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:19:56,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:19:56,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:19:56,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2024-05-06 12:19:56,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-06 12:19:56,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:19:56,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-06 12:19:56,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:59,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:19:59,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:19:59,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:19:59,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:19:59,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:19:59,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:19:59,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-05-06 12:19:59,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-06 12:19:59,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:19:59,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-06 12:19:59,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-05-06 12:19:59,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-06 12:19:59,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-05-06 12:19:59,852 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:19:59,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:19:59,853 INFO L85 PathProgramCache]: Analyzing trace with hash 745020416, now seen corresponding path program 8 times [2024-05-06 12:19:59,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:19:59,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891870605] [2024-05-06 12:19:59,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:19:59,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:19:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:20:00,853 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 181 proven. 422 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 12:20:00,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:20:00,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891870605] [2024-05-06 12:20:00,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891870605] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:20:00,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485051147] [2024-05-06 12:20:00,854 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 12:20:00,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:20:00,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:20:00,855 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:20:00,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-06 12:20:01,003 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 12:20:01,003 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 12:20:01,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 38 conjunts are in the unsatisfiable core [2024-05-06 12:20:01,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:20:02,371 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 281 proven. 268 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-05-06 12:20:02,371 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:20:04,007 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 317 proven. 232 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-05-06 12:20:04,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485051147] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 12:20:04,007 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 12:20:04,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 39, 39] total 108 [2024-05-06 12:20:04,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540118899] [2024-05-06 12:20:04,008 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 12:20:04,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2024-05-06 12:20:04,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:20:04,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2024-05-06 12:20:04,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1058, Invalid=10498, Unknown=0, NotChecked=0, Total=11556 [2024-05-06 12:20:04,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:20:04,013 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:20:04,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 5.935185185185185) internal successors, (641), 108 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 12:20:04,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:20:04,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:20:04,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:20:04,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:20:04,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:20:04,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:20:04,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2024-05-06 12:20:04,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-06 12:20:04,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:20:04,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-06 12:20:04,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-05-06 12:20:04,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:20:08,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:20:08,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:20:08,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:20:08,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:20:08,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:20:08,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:20:08,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-05-06 12:20:08,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-06 12:20:08,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:20:08,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-06 12:20:08,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-05-06 12:20:08,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-05-06 12:20:08,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-06 12:20:08,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:20:08,470 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:20:08,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:20:08,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1918955375, now seen corresponding path program 9 times [2024-05-06 12:20:08,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:20:08,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113653463] [2024-05-06 12:20:08,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:20:08,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:20:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:20:09,649 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 238 proven. 543 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 12:20:09,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:20:09,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113653463] [2024-05-06 12:20:09,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113653463] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:20:09,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426825060] [2024-05-06 12:20:09,650 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-06 12:20:09,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:20:09,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:20:09,651 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:20:09,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-06 12:20:10,011 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-05-06 12:20:10,011 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 12:20:10,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 50 conjunts are in the unsatisfiable core [2024-05-06 12:20:10,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:20:12,197 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 56 proven. 428 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-05-06 12:20:12,197 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:20:14,845 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 448 proven. 36 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-05-06 12:20:14,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426825060] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 12:20:14,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 12:20:14,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 51, 44] total 129 [2024-05-06 12:20:14,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960494407] [2024-05-06 12:20:14,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 12:20:14,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 129 states [2024-05-06 12:20:14,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:20:14,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2024-05-06 12:20:14,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1214, Invalid=15298, Unknown=0, NotChecked=0, Total=16512 [2024-05-06 12:20:14,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:20:14,853 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:20:14,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 129 states, 129 states have (on average 4.837209302325581) internal successors, (624), 129 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 12:20:14,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:20:14,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:20:14,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:20:14,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:20:14,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:20:14,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:20:14,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2024-05-06 12:20:14,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-06 12:20:14,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:20:14,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-06 12:20:14,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-05-06 12:20:14,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-05-06 12:20:14,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:20:35,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:20:35,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:20:35,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:20:35,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:20:35,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:20:35,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:20:35,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-05-06 12:20:35,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-06 12:20:35,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:20:35,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-06 12:20:35,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-05-06 12:20:35,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-05-06 12:20:35,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 336 states. [2024-05-06 12:20:35,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-05-06 12:20:35,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-05-06 12:20:35,219 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:20:35,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:20:35,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1554460060, now seen corresponding path program 10 times [2024-05-06 12:20:35,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:20:35,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124376084] [2024-05-06 12:20:35,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:20:35,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:20:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:20:42,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2150 backedges. 1424 proven. 726 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 12:20:42,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:20:42,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124376084] [2024-05-06 12:20:42,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124376084] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:20:42,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418471662] [2024-05-06 12:20:42,584 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-06 12:20:42,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:20:42,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:20:42,585 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:20:42,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-06 12:20:42,764 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-06 12:20:42,764 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 12:20:42,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 42 conjunts are in the unsatisfiable core [2024-05-06 12:20:42,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:20:45,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2150 backedges. 930 proven. 317 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2024-05-06 12:20:45,622 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:20:48,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2150 backedges. 950 proven. 297 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2024-05-06 12:20:48,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418471662] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 12:20:48,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 12:20:48,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [117, 43, 43] total 195 [2024-05-06 12:20:48,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247246068] [2024-05-06 12:20:48,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 12:20:48,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 195 states [2024-05-06 12:20:48,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:20:48,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 195 interpolants. [2024-05-06 12:20:48,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2814, Invalid=35016, Unknown=0, NotChecked=0, Total=37830 [2024-05-06 12:20:48,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:20:48,712 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:20:48,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 195 states, 195 states have (on average 3.9641025641025642) internal successors, (773), 195 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 12:20:48,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:20:48,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:20:48,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:20:48,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:20:48,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:20:48,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:20:48,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2024-05-06 12:20:48,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-06 12:20:48,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:20:48,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-06 12:20:48,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-05-06 12:20:48,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-05-06 12:20:48,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 336 states. [2024-05-06 12:20:48,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:20:50,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:20:50,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:20:50,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:20:50,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:20:50,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:20:50,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:20:50,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-05-06 12:20:50,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-06 12:20:50,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:20:50,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-06 12:20:50,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-05-06 12:20:50,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-05-06 12:20:50,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 336 states. [2024-05-06 12:20:50,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-06 12:20:50,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-05-06 12:20:50,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-05-06 12:20:50,804 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:20:50,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:20:50,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1435783322, now seen corresponding path program 11 times [2024-05-06 12:20:50,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:20:50,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369040351] [2024-05-06 12:20:50,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:20:50,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:20:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:20:58,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2223 backedges. 1424 proven. 799 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 12:20:58,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:20:58,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369040351] [2024-05-06 12:20:58,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369040351] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:20:58,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655807149] [2024-05-06 12:20:58,068 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-06 12:20:58,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:20:58,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:20:58,069 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:20:58,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-06 12:20:58,722 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2024-05-06 12:20:58,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 12:20:58,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 46 conjunts are in the unsatisfiable core [2024-05-06 12:20:58,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:21:01,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2223 backedges. 1612 proven. 370 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2024-05-06 12:21:01,761 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:21:05,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2223 backedges. 1612 proven. 370 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2024-05-06 12:21:05,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655807149] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 12:21:05,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 12:21:05,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [119, 47, 47] total 205 [2024-05-06 12:21:05,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528223480] [2024-05-06 12:21:05,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 12:21:05,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 205 states [2024-05-06 12:21:05,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:21:05,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2024-05-06 12:21:05,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3192, Invalid=38628, Unknown=0, NotChecked=0, Total=41820 [2024-05-06 12:21:05,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:21:05,108 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:21:05,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 205 states, 205 states have (on average 4.702439024390244) internal successors, (964), 205 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 12:21:05,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:21:05,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:21:05,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:21:05,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:21:05,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:21:05,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:21:05,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2024-05-06 12:21:05,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-06 12:21:05,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:21:05,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-06 12:21:05,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-05-06 12:21:05,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-05-06 12:21:05,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 336 states. [2024-05-06 12:21:05,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-06 12:21:05,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:21:07,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:21:07,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:21:07,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:21:07,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:21:07,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:21:07,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:21:07,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-05-06 12:21:07,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-06 12:21:07,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:21:07,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-06 12:21:07,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-05-06 12:21:07,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-05-06 12:21:07,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 336 states. [2024-05-06 12:21:07,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-06 12:21:07,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-06 12:21:07,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-05-06 12:21:07,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-05-06 12:21:07,273 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:21:07,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:21:07,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1847510832, now seen corresponding path program 12 times [2024-05-06 12:21:07,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:21:07,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9875297] [2024-05-06 12:21:07,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:21:07,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:21:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:21:14,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2304 backedges. 1424 proven. 880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 12:21:14,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:21:14,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9875297] [2024-05-06 12:21:14,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9875297] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:21:14,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470102982] [2024-05-06 12:21:14,030 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-06 12:21:14,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:21:14,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:21:14,031 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:21:14,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-05-06 12:21:16,204 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2024-05-06 12:21:16,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 12:21:16,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 73 conjunts are in the unsatisfiable core [2024-05-06 12:21:16,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:21:20,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2304 backedges. 1587 proven. 709 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-06 12:21:20,455 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:21:25,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2304 backedges. 1845 proven. 451 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-06 12:21:25,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470102982] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 12:21:25,164 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 12:21:25,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [121, 64, 59] total 236 [2024-05-06 12:21:25,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872166557] [2024-05-06 12:21:25,165 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 12:21:25,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 236 states [2024-05-06 12:21:25,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:21:25,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 236 interpolants. [2024-05-06 12:21:25,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4399, Invalid=51061, Unknown=0, NotChecked=0, Total=55460 [2024-05-06 12:21:25,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:21:25,172 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:21:25,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 236 states, 236 states have (on average 4.817796610169491) internal successors, (1137), 236 states have internal predecessors, (1137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 12:21:25,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:21:25,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:21:25,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:21:25,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:21:25,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:21:25,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:21:25,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2024-05-06 12:21:25,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-06 12:21:25,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:21:25,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-06 12:21:25,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-05-06 12:21:25,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-05-06 12:21:25,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 336 states. [2024-05-06 12:21:25,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-06 12:21:25,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-06 12:21:25,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:21:28,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:21:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:21:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:21:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:21:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:21:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:21:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-05-06 12:21:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-06 12:21:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:21:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-06 12:21:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-05-06 12:21:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-05-06 12:21:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 336 states. [2024-05-06 12:21:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-06 12:21:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-06 12:21:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-06 12:21:28,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-05-06 12:21:28,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-05-06 12:21:28,511 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:21:28,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:21:28,511 INFO L85 PathProgramCache]: Analyzing trace with hash -771164194, now seen corresponding path program 13 times [2024-05-06 12:21:28,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:21:28,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938753537] [2024-05-06 12:21:28,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:21:28,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:21:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:21:31,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2829 backedges. 1561 proven. 1260 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-06 12:21:31,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:21:31,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938753537] [2024-05-06 12:21:31,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938753537] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:21:31,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367267920] [2024-05-06 12:21:31,253 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-06 12:21:31,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:21:31,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:21:31,254 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:21:31,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-05-06 12:21:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:21:31,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 70 conjunts are in the unsatisfiable core [2024-05-06 12:21:31,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:21:34,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2829 backedges. 1377 proven. 1052 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-05-06 12:21:34,812 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:21:39,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2829 backedges. 1453 proven. 976 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-05-06 12:21:39,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367267920] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 12:21:39,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 12:21:39,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 71, 71] total 205 [2024-05-06 12:21:39,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605315217] [2024-05-06 12:21:39,240 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 12:21:39,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 205 states [2024-05-06 12:21:39,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:21:39,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2024-05-06 12:21:39,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4352, Invalid=37468, Unknown=0, NotChecked=0, Total=41820 [2024-05-06 12:21:39,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:21:39,244 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:21:39,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 205 states, 205 states have (on average 5.0) internal successors, (1025), 205 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 12:21:39,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:21:39,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:21:39,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:21:39,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:21:39,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:21:39,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:21:39,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2024-05-06 12:21:39,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-06 12:21:39,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:21:39,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-06 12:21:39,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-05-06 12:21:39,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-05-06 12:21:39,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 336 states. [2024-05-06 12:21:39,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-06 12:21:39,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-06 12:21:39,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-05-06 12:21:39,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:21:42,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:21:42,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:21:42,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:21:42,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:21:42,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:21:42,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:21:42,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-05-06 12:21:42,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-06 12:21:42,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:21:42,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-06 12:21:42,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-05-06 12:21:42,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-05-06 12:21:42,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 336 states. [2024-05-06 12:21:42,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-06 12:21:42,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-06 12:21:42,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-06 12:21:42,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-05-06 12:21:42,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-05-06 12:21:42,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-05-06 12:21:42,734 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:21:42,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:21:42,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1626102804, now seen corresponding path program 14 times [2024-05-06 12:21:42,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:21:42,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012092884] [2024-05-06 12:21:42,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:21:42,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:21:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:21:45,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2958 backedges. 1388 proven. 1562 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-06 12:21:45,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:21:45,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012092884] [2024-05-06 12:21:45,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012092884] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:21:45,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985644406] [2024-05-06 12:21:45,799 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 12:21:45,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:21:45,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:21:45,800 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:21:45,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-05-06 12:21:46,019 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 12:21:46,020 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 12:21:46,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 74 conjunts are in the unsatisfiable core [2024-05-06 12:21:46,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:21:49,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2958 backedges. 1448 proven. 1145 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-05-06 12:21:49,785 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:21:54,503 INFO L134 CoverageAnalysis]: Checked inductivity of 2958 backedges. 1488 proven. 1105 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-05-06 12:21:54,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985644406] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 12:21:54,504 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 12:21:54,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 75, 75] total 216 [2024-05-06 12:21:54,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659284215] [2024-05-06 12:21:54,504 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 12:21:54,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 216 states [2024-05-06 12:21:54,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:21:54,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 216 interpolants. [2024-05-06 12:21:54,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4903, Invalid=41537, Unknown=0, NotChecked=0, Total=46440 [2024-05-06 12:21:54,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:21:54,511 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:21:54,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 216 states, 216 states have (on average 4.87962962962963) internal successors, (1054), 216 states have internal predecessors, (1054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 12:21:54,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:21:54,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:21:54,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:21:54,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:21:54,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:21:54,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:21:54,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2024-05-06 12:21:54,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-06 12:21:54,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:21:54,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-06 12:21:54,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-05-06 12:21:54,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-05-06 12:21:54,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 336 states. [2024-05-06 12:21:54,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-06 12:21:54,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-06 12:21:54,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-05-06 12:21:54,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-05-06 12:21:54,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:21:58,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:21:58,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:21:58,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:21:58,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:21:58,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:21:58,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:21:58,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-05-06 12:21:58,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-06 12:21:58,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:21:58,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-06 12:21:58,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-05-06 12:21:58,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-05-06 12:21:58,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 336 states. [2024-05-06 12:21:58,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-06 12:21:58,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-06 12:21:58,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-06 12:21:58,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-05-06 12:21:58,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-06 12:21:58,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-05-06 12:21:58,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-05-06 12:21:58,250 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:21:58,250 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:21:58,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1587227210, now seen corresponding path program 15 times [2024-05-06 12:21:58,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:21:58,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151862124] [2024-05-06 12:21:58,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:21:58,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:21:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:22:01,200 INFO L134 CoverageAnalysis]: Checked inductivity of 3095 backedges. 992 proven. 2103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 12:22:01,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:22:01,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151862124] [2024-05-06 12:22:01,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151862124] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:22:01,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133106257] [2024-05-06 12:22:01,201 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-06 12:22:01,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:22:01,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:22:01,202 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:22:01,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-05-06 12:22:03,780 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2024-05-06 12:22:03,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 12:22:03,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 72 conjunts are in the unsatisfiable core [2024-05-06 12:22:03,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:22:08,548 INFO L134 CoverageAnalysis]: Checked inductivity of 3095 backedges. 0 proven. 1853 refuted. 0 times theorem prover too weak. 1242 trivial. 0 not checked. [2024-05-06 12:22:08,549 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:22:15,332 INFO L134 CoverageAnalysis]: Checked inductivity of 3095 backedges. 11 proven. 1842 refuted. 0 times theorem prover too weak. 1242 trivial. 0 not checked. [2024-05-06 12:22:15,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133106257] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 12:22:15,332 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 12:22:15,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 73, 72] total 212 [2024-05-06 12:22:15,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898976293] [2024-05-06 12:22:15,333 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 12:22:15,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 212 states [2024-05-06 12:22:15,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:22:15,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 212 interpolants. [2024-05-06 12:22:15,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2598, Invalid=42134, Unknown=0, NotChecked=0, Total=44732 [2024-05-06 12:22:15,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:22:15,338 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:22:15,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 212 states, 212 states have (on average 4.938679245283019) internal successors, (1047), 212 states have internal predecessors, (1047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 12:22:15,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:22:15,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:22:15,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:22:15,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 12:22:15,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:22:15,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:22:15,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2024-05-06 12:22:15,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-06 12:22:15,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:22:15,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-06 12:22:15,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-05-06 12:22:15,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-05-06 12:22:15,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 336 states. [2024-05-06 12:22:15,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-06 12:22:15,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-06 12:22:15,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-05-06 12:22:15,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-05-06 12:22:15,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-06 12:22:15,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:25:21,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:25:21,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:25:21,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:25:21,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-06 12:25:21,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:25:21,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:25:21,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-06 12:25:21,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:25:21,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:25:21,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-06 12:25:21,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-05-06 12:25:21,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-05-06 12:25:21,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2024-05-06 12:25:21,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-06 12:25:21,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-06 12:25:21,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-06 12:25:21,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-05-06 12:25:21,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-06 12:25:21,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 827 states. [2024-05-06 12:25:21,918 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-05-06 12:25:22,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:25:22,111 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:25:22,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:25:22,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1775036141, now seen corresponding path program 16 times [2024-05-06 12:25:22,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:25:22,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245065100] [2024-05-06 12:25:22,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:25:22,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:25:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:25:26,108 INFO L134 CoverageAnalysis]: Checked inductivity of 7285 backedges. 4485 proven. 1568 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2024-05-06 12:25:26,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:25:26,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245065100] [2024-05-06 12:25:26,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245065100] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:25:26,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118836499] [2024-05-06 12:25:26,109 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-06 12:25:26,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:25:26,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:25:26,110 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:25:26,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-05-06 12:25:26,394 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-06 12:25:26,395 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 12:25:26,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 1013 conjuncts, 78 conjunts are in the unsatisfiable core [2024-05-06 12:25:26,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:25:30,345 INFO L134 CoverageAnalysis]: Checked inductivity of 7285 backedges. 3141 proven. 1328 refuted. 0 times theorem prover too weak. 2816 trivial. 0 not checked. [2024-05-06 12:25:30,345 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:25:35,771 INFO L134 CoverageAnalysis]: Checked inductivity of 7285 backedges. 3227 proven. 1242 refuted. 0 times theorem prover too weak. 2816 trivial. 0 not checked. [2024-05-06 12:25:35,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118836499] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 12:25:35,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 12:25:35,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79, 79, 79] total 229 [2024-05-06 12:25:35,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811067371] [2024-05-06 12:25:35,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 12:25:35,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 229 states [2024-05-06 12:25:35,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:25:35,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 229 interpolants. [2024-05-06 12:25:35,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5384, Invalid=46828, Unknown=0, NotChecked=0, Total=52212 [2024-05-06 12:25:35,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:25:35,778 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:25:35,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 229 states, 229 states have (on average 4.9475982532751095) internal successors, (1133), 229 states have internal predecessors, (1133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 12:25:35,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:25:35,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:25:35,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:25:35,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-06 12:25:35,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:25:35,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:25:35,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-06 12:25:35,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:25:35,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:25:35,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-06 12:25:35,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-05-06 12:25:35,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-05-06 12:25:35,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2024-05-06 12:25:35,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-06 12:25:35,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-06 12:25:35,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-05-06 12:25:35,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-05-06 12:25:35,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-06 12:25:35,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 827 states. [2024-05-06 12:25:35,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:25:40,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:25:40,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:25:40,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:25:40,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-06 12:25:40,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:25:40,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:25:40,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-06 12:25:40,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:25:40,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:25:40,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-06 12:25:40,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-05-06 12:25:40,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-05-06 12:25:40,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2024-05-06 12:25:40,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-06 12:25:40,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-06 12:25:40,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-06 12:25:40,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-05-06 12:25:40,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-06 12:25:40,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 827 states. [2024-05-06 12:25:40,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-06 12:25:40,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-05-06 12:25:40,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:25:40,679 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:25:40,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:25:40,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1903204835, now seen corresponding path program 17 times [2024-05-06 12:25:40,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:25:40,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549007174] [2024-05-06 12:25:40,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:25:40,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:25:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:25:44,839 INFO L134 CoverageAnalysis]: Checked inductivity of 7430 backedges. 4282 proven. 1916 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2024-05-06 12:25:44,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:25:44,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549007174] [2024-05-06 12:25:44,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549007174] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:25:44,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605648405] [2024-05-06 12:25:44,840 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-06 12:25:44,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:25:44,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:25:44,845 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:25:44,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-05-06 12:25:46,842 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 28 check-sat command(s) [2024-05-06 12:25:46,842 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 12:25:46,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 1105 conjuncts, 82 conjunts are in the unsatisfiable core [2024-05-06 12:25:46,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:25:51,094 INFO L134 CoverageAnalysis]: Checked inductivity of 7430 backedges. 5119 proven. 1387 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-05-06 12:25:51,095 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:25:56,661 INFO L134 CoverageAnalysis]: Checked inductivity of 7430 backedges. 5119 proven. 1387 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-05-06 12:25:56,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [605648405] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 12:25:56,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 12:25:56,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83, 83, 83] total 241 [2024-05-06 12:25:56,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920361398] [2024-05-06 12:25:56,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 12:25:56,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 241 states [2024-05-06 12:25:56,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:25:56,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 241 interpolants. [2024-05-06 12:25:56,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5929, Invalid=51911, Unknown=0, NotChecked=0, Total=57840 [2024-05-06 12:25:56,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:25:56,670 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:25:56,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 241 states, 241 states have (on average 6.008298755186722) internal successors, (1448), 241 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 12:25:56,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:25:56,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:25:56,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:25:56,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-06 12:25:56,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:25:56,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:25:56,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-06 12:25:56,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:25:56,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:25:56,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-06 12:25:56,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-05-06 12:25:56,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-05-06 12:25:56,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2024-05-06 12:25:56,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-06 12:25:56,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-06 12:25:56,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-05-06 12:25:56,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-05-06 12:25:56,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-06 12:25:56,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 827 states. [2024-05-06 12:25:56,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-06 12:25:56,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:26:01,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:26:01,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:26:01,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:26:01,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-06 12:26:01,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:26:01,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:26:01,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-06 12:26:01,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:26:01,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:26:01,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-06 12:26:01,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-05-06 12:26:01,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-05-06 12:26:01,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2024-05-06 12:26:01,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-06 12:26:01,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-06 12:26:01,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-06 12:26:01,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-05-06 12:26:01,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-06 12:26:01,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 827 states. [2024-05-06 12:26:01,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-06 12:26:01,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-05-06 12:26:01,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-05-06 12:26:01,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-05-06 12:26:01,904 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 12:26:01,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:26:01,905 INFO L85 PathProgramCache]: Analyzing trace with hash -889517785, now seen corresponding path program 18 times [2024-05-06 12:26:01,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:26:01,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247379215] [2024-05-06 12:26:01,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:26:01,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:26:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:26:06,379 INFO L134 CoverageAnalysis]: Checked inductivity of 7583 backedges. 4109 proven. 2242 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2024-05-06 12:26:06,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:26:06,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247379215] [2024-05-06 12:26:06,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247379215] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:26:06,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691370088] [2024-05-06 12:26:06,379 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-06 12:26:06,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:26:06,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:26:06,381 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:26:06,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-05-06 12:26:16,682 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) [2024-05-06 12:26:16,682 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 12:26:16,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 1119 conjuncts, 136 conjunts are in the unsatisfiable core [2024-05-06 12:26:16,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:26:29,426 INFO L134 CoverageAnalysis]: Checked inductivity of 7583 backedges. 33 proven. 6010 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-05-06 12:26:29,426 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:26:51,495 INFO L134 CoverageAnalysis]: Checked inductivity of 7583 backedges. 33 proven. 6010 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-05-06 12:26:51,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691370088] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 12:26:51,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 12:26:51,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 137, 137] total 356 [2024-05-06 12:26:51,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807409588] [2024-05-06 12:26:51,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 12:26:51,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 356 states [2024-05-06 12:26:51,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:26:51,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 356 interpolants. [2024-05-06 12:26:51,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6537, Invalid=119843, Unknown=0, NotChecked=0, Total=126380 [2024-05-06 12:26:51,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:26:51,505 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:26:51,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 356 states, 356 states have (on average 4.067415730337078) internal successors, (1448), 356 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 12:26:51,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:26:51,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:26:51,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 12:26:51,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-06 12:26:51,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 12:26:51,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-06 12:26:51,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-06 12:26:51,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:26:51,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-06 12:26:51,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-06 12:26:51,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-05-06 12:26:51,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-05-06 12:26:51,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2024-05-06 12:26:51,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-06 12:26:51,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-06 12:26:51,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-05-06 12:26:51,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-05-06 12:26:51,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-06 12:26:51,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 827 states. [2024-05-06 12:26:51,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-06 12:26:51,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-05-06 12:26:51,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-05-06 12:32:10,432 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-06 12:32:10,432 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-06 12:32:10,433 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-06 12:32:10,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-05-06 12:32:10,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:32:10,622 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 1247 known predicates. [2024-05-06 12:32:10,625 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-05-06 12:32:10,625 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-06 12:32:10,625 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-06 12:32:10,625 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-05-06 12:32:10,628 INFO L448 BasicCegarLoop]: Path program histogram: [18, 2, 1, 1] [2024-05-06 12:32:10,631 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-06 12:32:10,631 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-06 12:32:10,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 12:32:10 BasicIcfg [2024-05-06 12:32:10,633 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-06 12:32:10,633 INFO L158 Benchmark]: Toolchain (without parser) took 771857.55ms. Allocated memory was 162.5MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 95.3MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 873.3MB. Max. memory is 8.0GB. [2024-05-06 12:32:10,633 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 162.5MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-06 12:32:10,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.68ms. Allocated memory is still 162.5MB. Free memory was 95.0MB in the beginning and 83.2MB in the end (delta: 11.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-06 12:32:10,634 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.95ms. Allocated memory was 162.5MB in the beginning and 289.4MB in the end (delta: 126.9MB). Free memory was 83.2MB in the beginning and 262.1MB in the end (delta: -178.9MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB. [2024-05-06 12:32:10,634 INFO L158 Benchmark]: Boogie Preprocessor took 31.57ms. Allocated memory is still 289.4MB. Free memory was 262.1MB in the beginning and 260.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-06 12:32:10,634 INFO L158 Benchmark]: RCFGBuilder took 608.03ms. Allocated memory is still 289.4MB. Free memory was 260.5MB in the beginning and 237.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2024-05-06 12:32:10,634 INFO L158 Benchmark]: TraceAbstraction took 770937.54ms. Allocated memory was 289.4MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 235.9MB in the beginning and 1.2GB in the end (delta: -961.6MB). Peak memory consumption was 886.0MB. Max. memory is 8.0GB. [2024-05-06 12:32:10,635 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 162.5MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 222.68ms. Allocated memory is still 162.5MB. Free memory was 95.0MB in the beginning and 83.2MB in the end (delta: 11.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.95ms. Allocated memory was 162.5MB in the beginning and 289.4MB in the end (delta: 126.9MB). Free memory was 83.2MB in the beginning and 262.1MB in the end (delta: -178.9MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.57ms. Allocated memory is still 289.4MB. Free memory was 262.1MB in the beginning and 260.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 608.03ms. Allocated memory is still 289.4MB. Free memory was 260.5MB in the beginning and 237.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * TraceAbstraction took 770937.54ms. Allocated memory was 289.4MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 235.9MB in the beginning and 1.2GB in the end (delta: -961.6MB). Peak memory consumption was 886.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 205504, independent: 193626, independent conditional: 182962, independent unconditional: 10664, dependent: 11878, dependent conditional: 11878, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 193626, independent: 193626, independent conditional: 182962, independent unconditional: 10664, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 193626, independent: 193626, independent conditional: 182962, independent unconditional: 10664, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 193626, independent: 193626, independent conditional: 182962, independent unconditional: 10664, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 193626, independent: 193626, independent conditional: 76079, independent unconditional: 117547, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 193626, independent: 193626, independent conditional: 64681, independent unconditional: 128945, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 193626, independent: 193626, independent conditional: 64681, independent unconditional: 128945, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 820, independent: 820, independent conditional: 24, independent unconditional: 796, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 820, independent: 820, independent conditional: 0, independent unconditional: 820, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 193626, independent: 192806, independent conditional: 64657, independent unconditional: 128149, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 820, unknown conditional: 24, unknown unconditional: 796] , Statistics on independence cache: Total cache size (in pairs): 820, Positive cache size: 820, Positive conditional cache size: 24, Positive unconditional cache size: 796, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11398, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 193626, independent: 193626, independent conditional: 76079, independent unconditional: 117547, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 193626, independent: 193626, independent conditional: 64681, independent unconditional: 128945, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 193626, independent: 193626, independent conditional: 64681, independent unconditional: 128945, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 820, independent: 820, independent conditional: 24, independent unconditional: 796, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 820, independent: 820, independent conditional: 0, independent unconditional: 820, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 193626, independent: 192806, independent conditional: 64657, independent unconditional: 128149, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 820, unknown conditional: 24, unknown unconditional: 796] , Statistics on independence cache: Total cache size (in pairs): 820, Positive cache size: 820, Positive conditional cache size: 24, Positive unconditional cache size: 796, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11398 ], Independence queries for same thread: 11878 - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1247 known predicates. - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1247 known predicates. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1247 known predicates. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1247 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 179 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 770.8s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 18, EmptinessCheckTime: 569.8s, 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: 3217, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 19.9s SatisfiabilityAnalysisTime, 173.9s InterpolantComputationTime, 14478 NumberOfCodeBlocks, 14404 NumberOfCodeBlocksAsserted, 174 NumberOfCheckSat, 21530 ConstructedInterpolants, 0 QuantifiedInterpolants, 111319 SizeOfPredicates, 929 NumberOfNonLiveVariables, 12406 ConjunctsInSsa, 939 ConjunctsInUnsatCore, 62 InterpolantComputations, 2 PerfectInterpolantSequences, 78219/123022 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 0.7s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown