/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 2 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 12:23:27,218 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 12:23:27,284 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 12:23:27,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 12:23:27,288 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 12:23:27,312 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 12:23:27,313 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 12:23:27,313 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 12:23:27,313 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 12:23:27,317 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 12:23:27,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 12:23:27,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 12:23:27,317 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 12:23:27,319 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 12:23:27,319 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 12:23:27,319 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 12:23:27,319 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 12:23:27,319 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 12:23:27,320 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 12:23:27,320 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 12:23:27,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 12:23:27,320 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 12:23:27,320 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 12:23:27,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 12:23:27,321 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 12:23:27,321 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 12:23:27,321 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 12:23:27,321 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 12:23:27,321 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 12:23:27,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 12:23:27,323 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 12:23:27,323 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 12:23:27,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 12:23:27,323 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 12:23:27,323 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 12:23:27,323 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 12:23:27,323 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 12:23:27,323 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 12:23:27,324 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 12:23:27,324 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 2 [2024-04-05 12:23:27,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 12:23:27,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 12:23:27,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 12:23:27,561 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 12:23:27,562 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 12:23:27,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c [2024-04-05 12:23:28,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 12:23:28,743 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 12:23:28,744 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-simple-array-sum.wvr.c [2024-04-05 12:23:28,754 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/aecd91433/9b2e07feeb7846ecb863d7275877e66a/FLAGcb3fcb4a8 [2024-04-05 12:23:28,763 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/aecd91433/9b2e07feeb7846ecb863d7275877e66a [2024-04-05 12:23:28,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 12:23:28,766 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 12:23:28,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 12:23:28,767 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 12:23:28,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 12:23:28,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 12:23:28" (1/1) ... [2024-04-05 12:23:28,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d179c3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:23:28, skipping insertion in model container [2024-04-05 12:23:28,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 12:23:28" (1/1) ... [2024-04-05 12:23:28,787 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 12:23:28,928 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-simple-array-sum.wvr.c[2690,2703] [2024-04-05 12:23:28,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 12:23:28,949 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 12:23:28,966 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-simple-array-sum.wvr.c[2690,2703] [2024-04-05 12:23:28,968 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 12:23:28,977 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 12:23:28,977 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 12:23:28,982 INFO L206 MainTranslator]: Completed translation [2024-04-05 12:23:28,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:23:28 WrapperNode [2024-04-05 12:23:28,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 12:23:28,983 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 12:23:28,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 12:23:28,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 12:23:28,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:23:28" (1/1) ... [2024-04-05 12:23:29,008 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:23:28" (1/1) ... [2024-04-05 12:23:29,024 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 125 [2024-04-05 12:23:29,025 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 12:23:29,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 12:23:29,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 12:23:29,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 12:23:29,032 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:23:28" (1/1) ... [2024-04-05 12:23:29,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:23:28" (1/1) ... [2024-04-05 12:23:29,034 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:23:28" (1/1) ... [2024-04-05 12:23:29,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:23:28" (1/1) ... [2024-04-05 12:23:29,039 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:23:28" (1/1) ... [2024-04-05 12:23:29,042 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:23:28" (1/1) ... [2024-04-05 12:23:29,043 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:23:28" (1/1) ... [2024-04-05 12:23:29,044 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:23:28" (1/1) ... [2024-04-05 12:23:29,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 12:23:29,048 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 12:23:29,048 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 12:23:29,048 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 12:23:29,049 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:23:28" (1/1) ... [2024-04-05 12:23:29,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 12:23:29,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 12:23:29,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-05 12:23:29,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-05 12:23:29,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 12:23:29,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 12:23:29,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 12:23:29,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 12:23:29,121 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 12:23:29,121 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 12:23:29,121 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 12:23:29,121 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 12:23:29,121 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-05 12:23:29,122 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-05 12:23:29,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 12:23:29,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-05 12:23:29,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-05 12:23:29,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-05 12:23:29,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 12:23:29,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 12:23:29,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 12:23:29,125 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 12:23:29,223 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 12:23:29,224 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 12:23:29,442 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 12:23:29,471 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 12:23:29,471 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2024-04-05 12:23:29,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 12:23:29 BoogieIcfgContainer [2024-04-05 12:23:29,473 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 12:23:29,475 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 12:23:29,475 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 12:23:29,477 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 12:23:29,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 12:23:28" (1/3) ... [2024-04-05 12:23:29,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e36326a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 12:23:29, skipping insertion in model container [2024-04-05 12:23:29,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:23:28" (2/3) ... [2024-04-05 12:23:29,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e36326a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 12:23:29, skipping insertion in model container [2024-04-05 12:23:29,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 12:23:29" (3/3) ... [2024-04-05 12:23:29,479 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-simple-array-sum.wvr.c [2024-04-05 12:23:29,485 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 12:23:29,493 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 12:23:29,493 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 12:23:29,493 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 12:23:29,549 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-05 12:23:29,585 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 12:23:29,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 12:23:29,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 12:23:29,586 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-05 12:23:29,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-05 12:23:29,626 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 12:23:29,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 12:23:29,635 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 12:23:29,647 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;@3e02dfd1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=2, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-05 12:23:29,647 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-05 12:23:31,014 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 12:23:31,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 12:23:31,016 INFO L85 PathProgramCache]: Analyzing trace with hash -305992032, now seen corresponding path program 1 times [2024-04-05 12:23:31,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 12:23:31,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160143843] [2024-04-05 12:23:31,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:23:31,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:23:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 12:23:31,297 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-04-05 12:23:31,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 12:23:31,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160143843] [2024-04-05 12:23:31,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160143843] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 12:23:31,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 12:23:31,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 12:23:31,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35674942] [2024-04-05 12:23:31,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 12:23:31,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 12:23:31,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 12:23:31,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 12:23:31,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 12:23:31,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:31,320 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 12:23:31,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 75.5) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 12:23:31,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:31,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:31,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 12:23:31,468 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 12:23:31,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 12:23:31,469 INFO L85 PathProgramCache]: Analyzing trace with hash -309245007, now seen corresponding path program 1 times [2024-04-05 12:23:31,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 12:23:31,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751756143] [2024-04-05 12:23:31,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:23:31,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:23:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 12:23:31,917 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2024-04-05 12:23:31,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 12:23:31,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751756143] [2024-04-05 12:23:31,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751756143] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 12:23:31,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 12:23:31,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-05 12:23:31,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924987111] [2024-04-05 12:23:31,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 12:23:31,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-05 12:23:31,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 12:23:31,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-05 12:23:31,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-04-05 12:23:31,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:31,921 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 12:23:31,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 12:23:31,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:31,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:32,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:32,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:23:32,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-05 12:23:32,153 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 12:23:32,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 12:23:32,154 INFO L85 PathProgramCache]: Analyzing trace with hash -609435668, now seen corresponding path program 1 times [2024-04-05 12:23:32,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 12:23:32,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095910474] [2024-04-05 12:23:32,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:23:32,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:23:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 12:23:32,448 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-04-05 12:23:32,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 12:23:32,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095910474] [2024-04-05 12:23:32,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095910474] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 12:23:32,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702956028] [2024-04-05 12:23:32,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:23:32,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 12:23:32,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 12:23:32,482 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 12:23:32,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 12:23:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 12:23:32,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-05 12:23:32,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 12:23:32,910 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-04-05 12:23:32,910 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 12:23:33,139 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-04-05 12:23:33,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702956028] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 12:23:33,140 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 12:23:33,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-04-05 12:23:33,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347678047] [2024-04-05 12:23:33,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 12:23:33,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-05 12:23:33,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 12:23:33,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-05 12:23:33,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-04-05 12:23:33,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:33,149 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 12:23:33,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 11.375) internal successors, (273), 24 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 12:23:33,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:33,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:23:33,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:33,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:33,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:23:33,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 12:23:33,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-05 12:23:33,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-04-05 12:23:33,828 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 12:23:33,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 12:23:33,829 INFO L85 PathProgramCache]: Analyzing trace with hash -384244079, now seen corresponding path program 2 times [2024-04-05 12:23:33,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 12:23:33,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875572330] [2024-04-05 12:23:33,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:23:33,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:23:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 12:23:34,234 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 82 proven. 16 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-04-05 12:23:34,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 12:23:34,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875572330] [2024-04-05 12:23:34,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875572330] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 12:23:34,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162277706] [2024-04-05 12:23:34,239 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 12:23:34,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 12:23:34,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 12:23:34,261 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 12:23:34,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 12:23:34,488 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 12:23:34,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 12:23:34,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-05 12:23:34,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 12:23:34,813 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 89 proven. 9 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-04-05 12:23:34,813 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 12:23:35,098 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 89 proven. 9 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-04-05 12:23:35,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162277706] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 12:23:35,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 12:23:35,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2024-04-05 12:23:35,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912070328] [2024-04-05 12:23:35,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 12:23:35,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-04-05 12:23:35,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 12:23:35,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-04-05 12:23:35,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2024-04-05 12:23:35,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:35,101 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 12:23:35,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 9.441176470588236) internal successors, (321), 34 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 12:23:35,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:35,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:23:35,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 12:23:35,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:35,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:35,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:23:35,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 12:23:35,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 12:23:35,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-05 12:23:35,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 12:23:35,766 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 12:23:35,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 12:23:35,767 INFO L85 PathProgramCache]: Analyzing trace with hash 225312652, now seen corresponding path program 3 times [2024-04-05 12:23:35,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 12:23:35,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319069163] [2024-04-05 12:23:35,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:23:35,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:23:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 12:23:36,215 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 74 proven. 89 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-04-05 12:23:36,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 12:23:36,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319069163] [2024-04-05 12:23:36,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319069163] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 12:23:36,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786197137] [2024-04-05 12:23:36,215 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 12:23:36,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 12:23:36,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 12:23:36,233 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 12:23:36,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 12:23:36,461 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-05 12:23:36,461 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 12:23:36,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-05 12:23:36,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 12:23:36,586 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 63 proven. 6 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-04-05 12:23:36,587 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 12:23:36,707 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 63 proven. 6 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-04-05 12:23:36,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786197137] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 12:23:36,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 12:23:36,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 8, 8] total 26 [2024-04-05 12:23:36,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152653183] [2024-04-05 12:23:36,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 12:23:36,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-05 12:23:36,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 12:23:36,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-05 12:23:36,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2024-04-05 12:23:36,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:36,710 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 12:23:36,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 14.153846153846153) internal successors, (368), 26 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 12:23:36,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:36,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:23:36,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 12:23:36,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 12:23:36,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:23:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 12:23:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 12:23:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-05 12:23:38,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-05 12:23:38,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 12:23:38,455 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 12:23:38,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 12:23:38,456 INFO L85 PathProgramCache]: Analyzing trace with hash 664634737, now seen corresponding path program 1 times [2024-04-05 12:23:38,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 12:23:38,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822615070] [2024-04-05 12:23:38,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:23:38,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:23:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 12:23:38,577 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-04-05 12:23:38,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 12:23:38,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822615070] [2024-04-05 12:23:38,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822615070] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 12:23:38,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 12:23:38,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-05 12:23:38,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811229908] [2024-04-05 12:23:38,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 12:23:38,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-05 12:23:38,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 12:23:38,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-05 12:23:38,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-04-05 12:23:38,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:38,579 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 12:23:38,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.5) internal successors, (165), 6 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 12:23:38,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:38,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:23:38,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 12:23:38,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 12:23:38,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-05 12:23:38,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:39,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:39,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:23:39,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 12:23:39,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 12:23:39,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 12:23:39,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 12:23:39,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-04-05 12:23:39,050 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 12:23:39,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 12:23:39,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1934953334, now seen corresponding path program 4 times [2024-04-05 12:23:39,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 12:23:39,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416277505] [2024-04-05 12:23:39,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:23:39,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:23:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 12:23:39,325 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 44 proven. 39 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-04-05 12:23:39,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 12:23:39,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416277505] [2024-04-05 12:23:39,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416277505] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 12:23:39,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216423307] [2024-04-05 12:23:39,326 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 12:23:39,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 12:23:39,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 12:23:39,327 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 12:23:39,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-05 12:23:39,452 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 12:23:39,452 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 12:23:39,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-05 12:23:39,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 12:23:39,780 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 68 proven. 36 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-04-05 12:23:39,781 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 12:23:40,154 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 90 proven. 14 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-04-05 12:23:40,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216423307] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 12:23:40,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 12:23:40,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15, 15] total 33 [2024-04-05 12:23:40,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386456122] [2024-04-05 12:23:40,155 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 12:23:40,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-04-05 12:23:40,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 12:23:40,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-04-05 12:23:40,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=834, Unknown=0, NotChecked=0, Total=1056 [2024-04-05 12:23:40,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:40,158 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 12:23:40,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 11.757575757575758) internal successors, (388), 33 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 12:23:40,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:40,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:23:40,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 12:23:40,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 12:23:40,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 12:23:40,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 12:23:40,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:41,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:41,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:23:41,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 12:23:41,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 12:23:41,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 12:23:41,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 12:23:41,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-05 12:23:41,756 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-04-05 12:23:41,945 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,SelfDestructingSolverStorable6 [2024-04-05 12:23:41,945 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 12:23:41,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 12:23:41,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1624752662, now seen corresponding path program 5 times [2024-04-05 12:23:41,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 12:23:41,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308036092] [2024-04-05 12:23:41,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:23:41,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:23:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 12:23:42,384 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 85 proven. 110 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-04-05 12:23:42,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 12:23:42,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308036092] [2024-04-05 12:23:42,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308036092] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 12:23:42,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695245291] [2024-04-05 12:23:42,385 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 12:23:42,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 12:23:42,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 12:23:42,388 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 12:23:42,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-05 12:23:42,614 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-04-05 12:23:42,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 12:23:42,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 20 conjunts are in the unsatisfiable core [2024-04-05 12:23:42,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 12:23:43,100 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 50 proven. 109 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-04-05 12:23:43,100 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 12:23:43,338 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 50 proven. 34 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2024-04-05 12:23:43,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695245291] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 12:23:43,338 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 12:23:43,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21, 10] total 46 [2024-04-05 12:23:43,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332547847] [2024-04-05 12:23:43,338 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 12:23:43,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-04-05 12:23:43,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 12:23:43,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-04-05 12:23:43,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=1899, Unknown=0, NotChecked=0, Total=2070 [2024-04-05 12:23:43,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:43,340 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 12:23:43,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 9.91304347826087) internal successors, (456), 46 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 12:23:43,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:43,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:23:43,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 12:23:43,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 12:23:43,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 12:23:43,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 12:23:43,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-05 12:23:43,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:57,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:57,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:23:57,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 12:23:57,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 12:23:57,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-05 12:23:57,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 12:23:57,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-05 12:23:57,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2024-04-05 12:23:57,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-05 12:23:57,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 12:23:57,465 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 12:23:57,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 12:23:57,466 INFO L85 PathProgramCache]: Analyzing trace with hash 286411256, now seen corresponding path program 6 times [2024-04-05 12:23:57,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 12:23:57,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58417215] [2024-04-05 12:23:57,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:23:57,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:23:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 12:23:57,973 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 11 proven. 147 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-04-05 12:23:57,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 12:23:57,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58417215] [2024-04-05 12:23:57,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58417215] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 12:23:57,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352293277] [2024-04-05 12:23:57,974 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 12:23:57,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 12:23:57,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 12:23:57,976 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 12:23:57,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-05 12:23:58,131 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2024-04-05 12:23:58,131 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 12:23:58,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 5 conjunts are in the unsatisfiable core [2024-04-05 12:23:58,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 12:23:58,343 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-04-05 12:23:58,343 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-05 12:23:58,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352293277] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 12:23:58,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-05 12:23:58,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 22 [2024-04-05 12:23:58,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754296945] [2024-04-05 12:23:58,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 12:23:58,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-05 12:23:58,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 12:23:58,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-05 12:23:58,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2024-04-05 12:23:58,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:58,345 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 12:23:58,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 12:23:58,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:23:58,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 12:23:58,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 12:23:58,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 12:23:58,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-05 12:23:58,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 12:23:58,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-05 12:23:58,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. [2024-04-05 12:23:58,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 12:24:20,825 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 12:24:20,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 665 treesize of output 568 [2024-04-05 12:24:25,828 INFO L85 PathProgramCache]: Analyzing trace with hash -42072599, now seen corresponding path program 1 times [2024-04-05 12:24:25,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:24:25,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:24:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 12:24:25,890 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 12:24:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 12:24:26,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2024-04-05 12:24:26,195 INFO L85 PathProgramCache]: Analyzing trace with hash -126414095, now seen corresponding path program 2 times [2024-04-05 12:24:26,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:24:26,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:24:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 12:24:26,239 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 12:24:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 12:24:26,479 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 12:24:26,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 665 treesize of output 568 [2024-04-05 12:24:35,288 INFO L85 PathProgramCache]: Analyzing trace with hash -375837948, now seen corresponding path program 1 times [2024-04-05 12:24:35,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:24:35,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:24:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 12:24:35,501 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 12:24:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 12:24:35,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2024-04-05 12:24:35,868 INFO L85 PathProgramCache]: Analyzing trace with hash 126985782, now seen corresponding path program 1 times [2024-04-05 12:24:35,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 12:24:35,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 12:24:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 12:24:35,888 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 12:24:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat