/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 BOTH --traceabstraction.criterion.for.conditional.commutativity.checking LOOP --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-difference-det.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-08 07:31:26,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-08 07:31:27,053 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-08 07:31:27,058 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-08 07:31:27,058 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-08 07:31:27,086 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-08 07:31:27,086 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-08 07:31:27,086 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-08 07:31:27,087 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-08 07:31:27,087 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-08 07:31:27,087 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-08 07:31:27,088 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-08 07:31:27,088 INFO L153 SettingsManager]: * Use SBE=true [2024-05-08 07:31:27,088 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-08 07:31:27,089 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-08 07:31:27,089 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-08 07:31:27,089 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-08 07:31:27,089 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-08 07:31:27,089 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-08 07:31:27,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-08 07:31:27,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-08 07:31:27,093 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-08 07:31:27,093 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-08 07:31:27,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-08 07:31:27,096 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-08 07:31:27,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-08 07:31:27,096 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-08 07:31:27,096 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-08 07:31:27,096 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-08 07:31:27,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-08 07:31:27,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-08 07:31:27,098 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-08 07:31:27,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-08 07:31:27,098 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-08 07:31:27,098 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-08 07:31:27,098 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-08 07:31:27,098 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-08 07:31:27,098 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-08 07:31:27,098 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-08 07:31:27,099 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-08 07:31:27,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-08 07:31:27,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-08 07:31:27,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-08 07:31:27,327 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-08 07:31:27,328 INFO L274 PluginConnector]: CDTParser initialized [2024-05-08 07:31:27,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c [2024-05-08 07:31:28,436 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-08 07:31:28,592 INFO L384 CDTParser]: Found 1 translation units. [2024-05-08 07:31:28,593 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c [2024-05-08 07:31:28,598 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3ad86c781/2497459389c1406ebcd54a664422881f/FLAG0fa3098da [2024-05-08 07:31:28,608 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3ad86c781/2497459389c1406ebcd54a664422881f [2024-05-08 07:31:28,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-08 07:31:28,611 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-08 07:31:28,612 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-08 07:31:28,612 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-08 07:31:28,615 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-08 07:31:28,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.05 07:31:28" (1/1) ... [2024-05-08 07:31:28,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c11ff03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 07:31:28, skipping insertion in model container [2024-05-08 07:31:28,616 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.05 07:31:28" (1/1) ... [2024-05-08 07:31:28,631 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-08 07:31:28,799 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-difference-det.wvr.c[2507,2520] [2024-05-08 07:31:28,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-08 07:31:28,814 INFO L202 MainTranslator]: Completed pre-run [2024-05-08 07:31:28,844 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-difference-det.wvr.c[2507,2520] [2024-05-08 07:31:28,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-08 07:31:28,890 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-08 07:31:28,890 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-08 07:31:28,896 INFO L206 MainTranslator]: Completed translation [2024-05-08 07:31:28,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 07:31:28 WrapperNode [2024-05-08 07:31:28,932 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-08 07:31:28,937 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-08 07:31:28,937 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-08 07:31:28,937 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-08 07:31:28,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 07:31:28" (1/1) ... [2024-05-08 07:31:28,950 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 07:31:28" (1/1) ... [2024-05-08 07:31:28,965 INFO L138 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 123 [2024-05-08 07:31:28,965 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-08 07:31:28,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-08 07:31:28,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-08 07:31:28,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-08 07:31:28,972 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 07:31:28" (1/1) ... [2024-05-08 07:31:28,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 07:31:28" (1/1) ... [2024-05-08 07:31:28,974 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 07:31:28" (1/1) ... [2024-05-08 07:31:28,975 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 07:31:28" (1/1) ... [2024-05-08 07:31:28,982 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 07:31:28" (1/1) ... [2024-05-08 07:31:28,984 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 07:31:28" (1/1) ... [2024-05-08 07:31:28,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 07:31:28" (1/1) ... [2024-05-08 07:31:28,986 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 07:31:28" (1/1) ... [2024-05-08 07:31:28,988 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-08 07:31:28,989 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-08 07:31:28,989 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-08 07:31:28,989 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-08 07:31:28,990 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 07:31:28" (1/1) ... [2024-05-08 07:31:29,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-08 07:31:29,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 07:31:29,050 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) [2024-05-08 07:31:29,056 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 [2024-05-08 07:31:29,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-08 07:31:29,087 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-08 07:31:29,088 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-08 07:31:29,088 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-08 07:31:29,088 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-08 07:31:29,088 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-08 07:31:29,089 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-08 07:31:29,089 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-05-08 07:31:29,089 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-05-08 07:31:29,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-08 07:31:29,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-08 07:31:29,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-08 07:31:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-08 07:31:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-08 07:31:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-08 07:31:29,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-08 07:31:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-08 07:31:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-08 07:31:29,092 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-08 07:31:29,183 INFO L241 CfgBuilder]: Building ICFG [2024-05-08 07:31:29,185 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-08 07:31:29,409 INFO L282 CfgBuilder]: Performing block encoding [2024-05-08 07:31:29,450 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-08 07:31:29,450 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-05-08 07:31:29,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.05 07:31:29 BoogieIcfgContainer [2024-05-08 07:31:29,452 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-08 07:31:29,456 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-08 07:31:29,456 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-08 07:31:29,459 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-08 07:31:29,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.05 07:31:28" (1/3) ... [2024-05-08 07:31:29,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bfc1d26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.05 07:31:29, skipping insertion in model container [2024-05-08 07:31:29,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 07:31:28" (2/3) ... [2024-05-08 07:31:29,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bfc1d26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.05 07:31:29, skipping insertion in model container [2024-05-08 07:31:29,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.05 07:31:29" (3/3) ... [2024-05-08 07:31:29,461 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-difference-det.wvr.c [2024-05-08 07:31:29,467 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-08 07:31:29,475 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-08 07:31:29,475 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-08 07:31:29,475 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-08 07:31:29,519 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-05-08 07:31:29,548 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-08 07:31:29,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-08 07:31:29,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 07:31:29,551 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) [2024-05-08 07:31:29,564 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 [2024-05-08 07:31:29,577 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-08 07:31:29,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 07:31:29,589 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-08 07:31:29,594 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;@74bab92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=LOOP, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-08 07:31:29,594 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-05-08 07:31:30,019 INFO L85 PathProgramCache]: Analyzing trace with hash 2087733384, now seen corresponding path program 1 times [2024-05-08 07:31:30,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 07:31:30,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 07:31:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 07:31:30,327 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-08 07:31:30,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 07:31:30,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 07:31:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 07:31:30,461 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-08 07:31:30,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-08 07:31:30,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-05-08 07:31:34,075 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-08 07:31:34,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 07:31:34,078 INFO L85 PathProgramCache]: Analyzing trace with hash -763146039, now seen corresponding path program 1 times [2024-05-08 07:31:34,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 07:31:34,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020356862] [2024-05-08 07:31:34,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 07:31:34,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 07:31:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 07:31:34,610 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-05-08 07:31:34,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 07:31:34,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020356862] [2024-05-08 07:31:34,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020356862] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 07:31:34,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415459573] [2024-05-08 07:31:34,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 07:31:34,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 07:31:34,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 07:31:34,616 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) [2024-05-08 07:31:34,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-08 07:31:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 07:31:34,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 16 conjunts are in the unsatisfiable core [2024-05-08 07:31:34,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 07:31:35,180 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 07:31:35,180 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 07:31:35,394 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-05-08 07:31:35,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415459573] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 07:31:35,395 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-08 07:31:35,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17, 8] total 27 [2024-05-08 07:31:35,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325890243] [2024-05-08 07:31:35,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-08 07:31:35,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-05-08 07:31:35,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 07:31:35,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-05-08 07:31:35,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=601, Unknown=0, NotChecked=0, Total=702 [2024-05-08 07:31:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 07:31:35,495 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 07:31:35,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 8.0) internal successors, (216), 27 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 07:31:35,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 07:31:39,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-08 07:31:39,225 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-08 07:31:39,421 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 [2024-05-08 07:31:39,422 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-08 07:31:39,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 07:31:39,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1756355565, now seen corresponding path program 2 times [2024-05-08 07:31:39,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 07:31:39,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841685973] [2024-05-08 07:31:39,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 07:31:39,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 07:31:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 07:31:39,893 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 56 proven. 87 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-05-08 07:31:39,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 07:31:39,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841685973] [2024-05-08 07:31:39,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841685973] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 07:31:39,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117394115] [2024-05-08 07:31:39,895 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-08 07:31:39,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 07:31:39,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 07:31:39,896 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) [2024-05-08 07:31:39,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-08 07:31:40,013 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-08 07:31:40,014 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-08 07:31:40,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 20 conjunts are in the unsatisfiable core [2024-05-08 07:31:40,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 07:31:40,518 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 56 proven. 168 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-08 07:31:40,519 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 07:31:40,829 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 56 proven. 24 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-05-08 07:31:40,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117394115] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 07:31:40,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-08 07:31:40,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 21, 8] total 31 [2024-05-08 07:31:40,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936553930] [2024-05-08 07:31:40,830 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-08 07:31:40,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-05-08 07:31:40,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 07:31:40,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-05-08 07:31:41,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=824, Unknown=0, NotChecked=0, Total=930 [2024-05-08 07:31:41,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 07:31:41,000 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 07:31:41,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 8.32258064516129) internal successors, (258), 31 states have internal predecessors, (258), 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) [2024-05-08 07:31:41,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-08 07:31:41,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 07:31:43,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-08 07:31:43,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-08 07:31:43,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-08 07:31:43,518 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 [2024-05-08 07:31:43,519 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-08 07:31:43,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 07:31:43,520 INFO L85 PathProgramCache]: Analyzing trace with hash 349880274, now seen corresponding path program 3 times [2024-05-08 07:31:43,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 07:31:43,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247041080] [2024-05-08 07:31:43,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 07:31:43,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 07:31:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 07:31:44,111 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 131 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2024-05-08 07:31:44,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 07:31:44,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247041080] [2024-05-08 07:31:44,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247041080] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 07:31:44,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264008089] [2024-05-08 07:31:44,115 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-08 07:31:44,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 07:31:44,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 07:31:44,120 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) [2024-05-08 07:31:44,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-08 07:31:44,265 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-05-08 07:31:44,265 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-08 07:31:44,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 53 conjunts are in the unsatisfiable core [2024-05-08 07:31:44,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 07:31:44,664 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-05-08 07:31:44,664 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 07:31:44,831 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2024-05-08 07:31:44,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264008089] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 07:31:44,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-08 07:31:44,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 8] total 15 [2024-05-08 07:31:44,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915920973] [2024-05-08 07:31:44,831 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-08 07:31:44,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-05-08 07:31:44,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 07:31:45,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-05-08 07:31:45,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-05-08 07:31:45,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 07:31:45,035 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 07:31:45,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 15.4) internal successors, (231), 15 states have internal predecessors, (231), 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) [2024-05-08 07:31:45,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-08 07:31:45,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-08 07:31:45,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 07:31:48,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-08 07:31:48,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-08 07:31:48,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-08 07:31:48,206 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-05-08 07:31:48,406 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 [2024-05-08 07:31:48,406 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-08 07:31:48,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 07:31:48,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1552233240, now seen corresponding path program 4 times [2024-05-08 07:31:48,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 07:31:48,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248996270] [2024-05-08 07:31:48,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 07:31:48,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 07:31:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 07:31:48,860 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 72 proven. 83 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-05-08 07:31:48,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 07:31:48,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248996270] [2024-05-08 07:31:48,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248996270] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 07:31:48,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179582633] [2024-05-08 07:31:48,861 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-08 07:31:48,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 07:31:48,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 07:31:48,862 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) [2024-05-08 07:31:48,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-08 07:31:48,988 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-08 07:31:48,988 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-08 07:31:48,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 32 conjunts are in the unsatisfiable core [2024-05-08 07:31:48,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 07:31:49,683 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 72 proven. 334 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-08 07:31:49,684 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 07:31:49,940 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 72 proven. 7 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2024-05-08 07:31:49,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179582633] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 07:31:49,940 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-08 07:31:49,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 33, 8] total 43 [2024-05-08 07:31:49,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382910893] [2024-05-08 07:31:49,940 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-08 07:31:49,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-05-08 07:31:49,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 07:31:50,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-05-08 07:31:50,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=1655, Unknown=0, NotChecked=0, Total=1806 [2024-05-08 07:31:50,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 07:31:50,140 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 07:31:50,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 7.023255813953488) internal successors, (302), 43 states have internal predecessors, (302), 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) [2024-05-08 07:31:50,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-08 07:31:50,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-08 07:31:50,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-08 07:31:50,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 07:31:56,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-08 07:31:56,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-08 07:31:56,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-08 07:31:56,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-05-08 07:31:56,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-08 07:31:56,889 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 [2024-05-08 07:31:56,889 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-08 07:31:56,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 07:31:56,889 INFO L85 PathProgramCache]: Analyzing trace with hash -2145643620, now seen corresponding path program 5 times [2024-05-08 07:31:56,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 07:31:56,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428067108] [2024-05-08 07:31:56,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 07:31:56,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 07:31:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 07:31:57,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1118 backedges. 441 proven. 267 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-05-08 07:31:57,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 07:31:57,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428067108] [2024-05-08 07:31:57,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428067108] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 07:31:57,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845030440] [2024-05-08 07:31:57,643 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-08 07:31:57,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 07:31:57,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 07:31:57,646 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) [2024-05-08 07:31:57,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-08 07:31:57,783 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2024-05-08 07:31:57,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-08 07:31:57,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 40 conjunts are in the unsatisfiable core [2024-05-08 07:31:57,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 07:31:58,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1118 backedges. 188 proven. 928 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-08 07:31:58,874 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 07:31:59,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1118 backedges. 480 proven. 98 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-05-08 07:31:59,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845030440] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 07:31:59,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-08 07:31:59,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 41, 13] total 63 [2024-05-08 07:31:59,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387793821] [2024-05-08 07:31:59,245 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-08 07:31:59,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-05-08 07:31:59,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 07:31:59,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-05-08 07:31:59,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=382, Invalid=3524, Unknown=0, NotChecked=0, Total=3906 [2024-05-08 07:31:59,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 07:31:59,556 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 07:31:59,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 7.428571428571429) internal successors, (468), 63 states have internal predecessors, (468), 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) [2024-05-08 07:31:59,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-08 07:31:59,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-05-08 07:31:59,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-08 07:31:59,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-05-08 07:31:59,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 07:32:18,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-08 07:32:18,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-08 07:32:18,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-08 07:32:18,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-05-08 07:32:18,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-05-08 07:32:18,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-05-08 07:32:19,157 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 [2024-05-08 07:32:19,158 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-08 07:32:19,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 07:32:19,158 INFO L85 PathProgramCache]: Analyzing trace with hash -2992912, now seen corresponding path program 6 times [2024-05-08 07:32:19,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 07:32:19,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136173569] [2024-05-08 07:32:19,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 07:32:19,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 07:32:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 07:32:20,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 174 proven. 492 refuted. 0 times theorem prover too weak. 539 trivial. 0 not checked. [2024-05-08 07:32:20,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 07:32:20,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136173569] [2024-05-08 07:32:20,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136173569] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 07:32:20,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248959897] [2024-05-08 07:32:20,309 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-08 07:32:20,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 07:32:20,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 07:32:20,310 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) [2024-05-08 07:32:20,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-08 07:32:20,489 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2024-05-08 07:32:20,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-08 07:32:20,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 44 conjunts are in the unsatisfiable core [2024-05-08 07:32:20,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 07:32:21,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 27 proven. 1178 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 07:32:21,952 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 07:32:22,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 195 proven. 322 refuted. 0 times theorem prover too weak. 688 trivial. 0 not checked. [2024-05-08 07:32:22,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248959897] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 07:32:22,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-08 07:32:22,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 45, 14] total 61 [2024-05-08 07:32:22,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926590271] [2024-05-08 07:32:22,403 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-08 07:32:22,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-05-08 07:32:22,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 07:32:22,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-05-08 07:32:22,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=3408, Unknown=0, NotChecked=0, Total=3660 [2024-05-08 07:32:22,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 07:32:22,622 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 07:32:22,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 7.278688524590164) internal successors, (444), 61 states have internal predecessors, (444), 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) [2024-05-08 07:32:22,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-08 07:32:22,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-05-08 07:32:22,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-08 07:32:22,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-05-08 07:32:22,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-05-08 07:32:22,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 07:32:37,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-08 07:32:37,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-08 07:32:37,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-08 07:32:37,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-05-08 07:32:37,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-05-08 07:32:37,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-05-08 07:32:37,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-08 07:32:38,122 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 [2024-05-08 07:32:38,123 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-08 07:32:38,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 07:32:38,123 INFO L85 PathProgramCache]: Analyzing trace with hash 144999726, now seen corresponding path program 7 times [2024-05-08 07:32:38,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 07:32:38,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627630738] [2024-05-08 07:32:38,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 07:32:38,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 07:32:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 07:32:39,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1952 backedges. 570 proven. 655 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2024-05-08 07:32:39,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 07:32:39,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627630738] [2024-05-08 07:32:39,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627630738] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 07:32:39,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943487321] [2024-05-08 07:32:39,395 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-08 07:32:39,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 07:32:39,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 07:32:39,397 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) [2024-05-08 07:32:39,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-08 07:32:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 07:32:39,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 56 conjunts are in the unsatisfiable core [2024-05-08 07:32:39,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 07:32:41,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1952 backedges. 45 proven. 1907 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 07:32:41,495 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 07:32:42,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1952 backedges. 628 proven. 429 refuted. 0 times theorem prover too weak. 895 trivial. 0 not checked. [2024-05-08 07:32:42,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943487321] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 07:32:42,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-08 07:32:42,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 57, 17] total 76 [2024-05-08 07:32:42,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861693219] [2024-05-08 07:32:42,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-08 07:32:42,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2024-05-08 07:32:42,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 07:32:42,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2024-05-08 07:32:42,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=336, Invalid=5364, Unknown=0, NotChecked=0, Total=5700 [2024-05-08 07:32:42,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 07:32:42,548 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 07:32:42,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 6.842105263157895) internal successors, (520), 76 states have internal predecessors, (520), 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) [2024-05-08 07:32:42,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-08 07:32:42,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-05-08 07:32:42,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-08 07:32:42,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-05-08 07:32:42,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-05-08 07:32:42,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-05-08 07:32:42,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 07:32:59,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-08 07:32:59,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-08 07:32:59,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-08 07:32:59,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-05-08 07:32:59,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-05-08 07:32:59,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-05-08 07:32:59,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-05-08 07:32:59,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-08 07:32:59,257 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 [2024-05-08 07:32:59,257 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-08 07:32:59,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 07:32:59,258 INFO L85 PathProgramCache]: Analyzing trace with hash 986601026, now seen corresponding path program 8 times [2024-05-08 07:32:59,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 07:32:59,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749846095] [2024-05-08 07:32:59,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 07:32:59,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 07:32:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 07:33:01,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2646 backedges. 0 proven. 1777 refuted. 0 times theorem prover too weak. 869 trivial. 0 not checked. [2024-05-08 07:33:01,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 07:33:01,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749846095] [2024-05-08 07:33:01,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749846095] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 07:33:01,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301028946] [2024-05-08 07:33:01,383 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-08 07:33:01,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 07:33:01,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 07:33:01,385 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) [2024-05-08 07:33:01,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-08 07:33:01,566 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-08 07:33:01,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-08 07:33:01,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 141 conjunts are in the unsatisfiable core [2024-05-08 07:33:01,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 07:33:02,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2646 backedges. 0 proven. 1510 refuted. 0 times theorem prover too weak. 1136 trivial. 0 not checked. [2024-05-08 07:33:02,485 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 07:33:02,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2646 backedges. 0 proven. 1315 refuted. 0 times theorem prover too weak. 1331 trivial. 0 not checked. [2024-05-08 07:33:02,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301028946] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 07:33:02,880 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-08 07:33:02,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17, 10] total 25 [2024-05-08 07:33:02,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614829479] [2024-05-08 07:33:02,882 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-08 07:33:02,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-05-08 07:33:02,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 07:33:05,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-05-08 07:33:05,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2024-05-08 07:33:05,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 07:33:05,660 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 07:33:05,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 13.44) internal successors, (336), 25 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 07:33:05,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-08 07:33:05,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-05-08 07:33:05,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-08 07:33:05,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-05-08 07:33:05,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-05-08 07:33:05,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-05-08 07:33:05,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-05-08 07:33:05,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 07:33:27,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-08 07:33:27,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-08 07:33:27,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-08 07:33:27,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-05-08 07:33:27,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-05-08 07:33:27,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-05-08 07:33:27,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-05-08 07:33:27,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-08 07:33:27,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-05-08 07:33:27,467 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 [2024-05-08 07:33:27,467 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-08 07:33:27,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 07:33:27,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1333594942, now seen corresponding path program 9 times [2024-05-08 07:33:27,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 07:33:27,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392712813] [2024-05-08 07:33:27,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 07:33:27,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 07:33:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 07:33:29,420 INFO L134 CoverageAnalysis]: Checked inductivity of 3177 backedges. 1087 proven. 1186 refuted. 0 times theorem prover too weak. 904 trivial. 0 not checked. [2024-05-08 07:33:29,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 07:33:29,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392712813] [2024-05-08 07:33:29,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392712813] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 07:33:29,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504266151] [2024-05-08 07:33:29,421 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-08 07:33:29,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 07:33:29,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 07:33:29,501 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) [2024-05-08 07:33:29,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-08 07:33:29,734 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2024-05-08 07:33:29,734 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-08 07:33:29,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 66 conjunts are in the unsatisfiable core [2024-05-08 07:33:29,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 07:33:32,198 INFO L134 CoverageAnalysis]: Checked inductivity of 3177 backedges. 190 proven. 2987 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 07:33:32,198 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 07:33:33,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3177 backedges. 1175 proven. 911 refuted. 0 times theorem prover too weak. 1091 trivial. 0 not checked. [2024-05-08 07:33:33,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504266151] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 07:33:33,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-08 07:33:33,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 67, 23] total 99 [2024-05-08 07:33:33,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992799808] [2024-05-08 07:33:33,002 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-08 07:33:33,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2024-05-08 07:33:33,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 07:33:33,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2024-05-08 07:33:33,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=610, Invalid=9092, Unknown=0, NotChecked=0, Total=9702 [2024-05-08 07:33:33,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 07:33:33,563 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 07:33:33,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 7.040404040404041) internal successors, (697), 99 states have internal predecessors, (697), 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) [2024-05-08 07:33:33,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-08 07:33:33,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-05-08 07:33:33,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-08 07:33:33,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-05-08 07:33:33,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-05-08 07:33:33,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-05-08 07:33:33,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-05-08 07:33:33,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-08 07:33:33,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.