/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 13:28:13,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 13:28:13,419 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 13:28:13,424 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 13:28:13,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 13:28:13,453 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 13:28:13,453 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 13:28:13,454 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 13:28:13,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 13:28:13,455 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 13:28:13,456 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 13:28:13,456 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 13:28:13,457 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 13:28:13,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 13:28:13,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 13:28:13,461 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 13:28:13,462 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 13:28:13,462 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 13:28:13,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 13:28:13,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 13:28:13,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 13:28:13,463 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 13:28:13,463 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 13:28:13,464 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 13:28:13,464 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 13:28:13,464 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 13:28:13,464 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 13:28:13,465 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 13:28:13,465 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 13:28:13,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 13:28:13,466 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 13:28:13,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 13:28:13,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 13:28:13,466 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 13:28:13,466 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 13:28:13,467 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 13:28:13,467 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 13:28:13,467 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 13:28:13,467 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 13:28:13,467 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-04 13:28:13,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 13:28:13,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 13:28:13,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 13:28:13,743 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 13:28:13,743 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 13:28:13,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c [2024-04-04 13:28:14,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 13:28:14,940 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 13:28:14,940 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c [2024-04-04 13:28:14,947 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/17e0c83d1/a31c7dbbebf94771a706c92eeb4189bd/FLAG0fcb757f9 [2024-04-04 13:28:14,967 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/17e0c83d1/a31c7dbbebf94771a706c92eeb4189bd [2024-04-04 13:28:14,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 13:28:14,972 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 13:28:14,974 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 13:28:14,974 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 13:28:14,978 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 13:28:14,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 01:28:14" (1/1) ... [2024-04-04 13:28:14,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38d3e9ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:28:14, skipping insertion in model container [2024-04-04 13:28:14,979 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 01:28:14" (1/1) ... [2024-04-04 13:28:15,004 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 13:28:15,172 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-bad-three-array-sum-alt.wvr.c[2412,2425] [2024-04-04 13:28:15,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 13:28:15,188 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 13:28:15,207 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-bad-three-array-sum-alt.wvr.c[2412,2425] [2024-04-04 13:28:15,210 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 13:28:15,226 INFO L206 MainTranslator]: Completed translation [2024-04-04 13:28:15,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:28:15 WrapperNode [2024-04-04 13:28:15,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 13:28:15,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 13:28:15,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 13:28:15,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 13:28:15,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:28:15" (1/1) ... [2024-04-04 13:28:15,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:28:15" (1/1) ... [2024-04-04 13:28:15,268 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 15, calls inlined = 27, statements flattened = 280 [2024-04-04 13:28:15,269 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 13:28:15,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 13:28:15,270 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 13:28:15,270 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 13:28:15,276 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:28:15" (1/1) ... [2024-04-04 13:28:15,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:28:15" (1/1) ... [2024-04-04 13:28:15,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:28:15" (1/1) ... [2024-04-04 13:28:15,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:28:15" (1/1) ... [2024-04-04 13:28:15,289 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:28:15" (1/1) ... [2024-04-04 13:28:15,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:28:15" (1/1) ... [2024-04-04 13:28:15,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:28:15" (1/1) ... [2024-04-04 13:28:15,313 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:28:15" (1/1) ... [2024-04-04 13:28:15,316 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 13:28:15,320 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 13:28:15,320 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 13:28:15,329 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 13:28:15,330 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:28:15" (1/1) ... [2024-04-04 13:28:15,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 13:28:15,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:28:15,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-04 13:28:15,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-04 13:28:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 13:28:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 13:28:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 13:28:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 13:28:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-04 13:28:15,413 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-04 13:28:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-04 13:28:15,413 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-04 13:28:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-04 13:28:15,414 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-04 13:28:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 13:28:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-04 13:28:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 13:28:15,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 13:28:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 13:28:15,420 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 13:28:15,529 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 13:28:15,531 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 13:28:15,970 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 13:28:15,988 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 13:28:15,989 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2024-04-04 13:28:15,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 01:28:15 BoogieIcfgContainer [2024-04-04 13:28:15,990 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 13:28:15,992 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 13:28:15,993 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 13:28:15,995 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 13:28:15,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 01:28:14" (1/3) ... [2024-04-04 13:28:15,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa69657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 01:28:15, skipping insertion in model container [2024-04-04 13:28:15,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:28:15" (2/3) ... [2024-04-04 13:28:15,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa69657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 01:28:15, skipping insertion in model container [2024-04-04 13:28:15,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 01:28:15" (3/3) ... [2024-04-04 13:28:15,997 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-three-array-sum-alt.wvr.c [2024-04-04 13:28:16,005 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 13:28:16,017 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 13:28:16,018 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 13:28:16,018 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 13:28:16,142 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-04 13:28:16,186 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 13:28:16,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 13:28:16,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:28:16,189 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 13:28:16,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-04 13:28:16,217 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 13:28:16,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:28:16,228 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 13:28:16,233 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;@bfa2b33, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-04 13:28:16,233 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-04 13:28:25,696 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)] === [2024-04-04 13:28:25,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:28:25,701 INFO L85 PathProgramCache]: Analyzing trace with hash 2034589516, now seen corresponding path program 1 times [2024-04-04 13:28:25,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:28:25,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088433799] [2024-04-04 13:28:25,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:28:25,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:28:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:28:26,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1145 trivial. 0 not checked. [2024-04-04 13:28:26,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:28:26,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088433799] [2024-04-04 13:28:26,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088433799] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 13:28:26,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 13:28:26,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 13:28:26,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712471862] [2024-04-04 13:28:26,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 13:28:26,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 13:28:26,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:28:26,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 13:28:26,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 13:28:26,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:26,809 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:28:26,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 156.5) internal successors, (313), 2 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 13:28:26,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:31,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:31,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 13:28:31,791 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)] === [2024-04-04 13:28:31,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:28:31,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1244225216, now seen corresponding path program 1 times [2024-04-04 13:28:31,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:28:31,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372354725] [2024-04-04 13:28:31,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:28:31,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:28:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:28:32,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1073 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2024-04-04 13:28:32,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:28:32,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372354725] [2024-04-04 13:28:32,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372354725] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 13:28:32,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 13:28:32,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-04 13:28:32,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138575442] [2024-04-04 13:28:32,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 13:28:32,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-04 13:28:32,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:28:33,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-04 13:28:33,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-04-04 13:28:33,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:33,177 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:28:33,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 42.42857142857143) internal successors, (297), 7 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 13:28:33,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:33,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:38,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:38,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:28:38,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 13:28:38,668 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)] === [2024-04-04 13:28:38,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:28:38,669 INFO L85 PathProgramCache]: Analyzing trace with hash 357252943, now seen corresponding path program 1 times [2024-04-04 13:28:38,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:28:38,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887293804] [2024-04-04 13:28:38,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:28:38,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:28:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:28:39,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 287 proven. 2 refuted. 0 times theorem prover too weak. 787 trivial. 0 not checked. [2024-04-04 13:28:39,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:28:39,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887293804] [2024-04-04 13:28:39,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887293804] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 13:28:39,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910826278] [2024-04-04 13:28:39,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:28:39,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:28:39,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:28:40,182 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 13:28:40,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-04 13:28:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:28:40,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 1266 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-04 13:28:40,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 13:28:40,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 288 proven. 1 refuted. 0 times theorem prover too weak. 787 trivial. 0 not checked. [2024-04-04 13:28:40,952 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 13:28:41,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 288 proven. 1 refuted. 0 times theorem prover too weak. 787 trivial. 0 not checked. [2024-04-04 13:28:41,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910826278] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 13:28:41,284 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 13:28:41,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-04-04 13:28:41,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766686423] [2024-04-04 13:28:41,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 13:28:41,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-04 13:28:41,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:28:41,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-04 13:28:41,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-04-04 13:28:41,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:41,983 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:28:41,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 24.833333333333332) internal successors, (596), 24 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 13:28:41,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:41,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:28:41,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:47,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:47,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:28:47,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 13:28:47,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-04 13:28:47,584 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 [2024-04-04 13:28:47,585 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)] === [2024-04-04 13:28:47,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:28:47,586 INFO L85 PathProgramCache]: Analyzing trace with hash 301323998, now seen corresponding path program 2 times [2024-04-04 13:28:47,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:28:47,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624734610] [2024-04-04 13:28:47,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:28:47,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:28:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:28:49,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 558 proven. 525 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 13:28:49,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:28:49,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624734610] [2024-04-04 13:28:49,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624734610] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 13:28:49,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049709698] [2024-04-04 13:28:49,422 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 13:28:49,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:28:49,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:28:49,423 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 13:28:49,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 13:28:49,706 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 13:28:49,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 13:28:49,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 1308 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-04 13:28:49,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 13:28:50,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 409 proven. 10 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-04-04 13:28:50,342 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 13:28:50,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 409 proven. 10 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-04-04 13:28:50,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049709698] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 13:28:50,945 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 13:28:50,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 15, 15] total 53 [2024-04-04 13:28:50,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723632826] [2024-04-04 13:28:50,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 13:28:50,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-04-04 13:28:50,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:28:51,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-04-04 13:28:51,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=2469, Unknown=0, NotChecked=0, Total=2756 [2024-04-04 13:28:51,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:51,543 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:28:51,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 21.20754716981132) internal successors, (1124), 53 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 13:28:51,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:51,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:28:51,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 13:28:51,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:58,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:28:58,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:28:58,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 13:28:58,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 13:28:58,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-04 13:28:58,389 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 [2024-04-04 13:28:58,391 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)] === [2024-04-04 13:28:58,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:28:58,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1663968621, now seen corresponding path program 3 times [2024-04-04 13:28:58,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:28:58,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571917720] [2024-04-04 13:28:58,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:28:58,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:28:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:28:59,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 626 proven. 182 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-04-04 13:28:59,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:28:59,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571917720] [2024-04-04 13:28:59,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571917720] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 13:28:59,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648732942] [2024-04-04 13:28:59,317 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 13:28:59,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:28:59,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:28:59,319 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 13:28:59,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-04 13:28:59,728 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-04 13:28:59,729 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 13:28:59,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 1350 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-04 13:28:59,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 13:29:00,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 634 proven. 174 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-04-04 13:29:00,838 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 13:29:01,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 382 proven. 545 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-04-04 13:29:01,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648732942] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 13:29:01,561 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 13:29:01,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 18] total 37 [2024-04-04 13:29:01,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791038107] [2024-04-04 13:29:01,562 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 13:29:01,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-04-04 13:29:01,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:29:02,237 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 43 treesize of output 35 [2024-04-04 13:29:02,838 INFO L85 PathProgramCache]: Analyzing trace with hash -2118244220, now seen corresponding path program 1 times [2024-04-04 13:29:02,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:29:02,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:29:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:29:03,678 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-04-04 13:29:03,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:29:03,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:29:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:29:04,084 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-04-04 13:29:04,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-04-04 13:29:04,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=264, Invalid=2706, Unknown=0, NotChecked=0, Total=2970 [2024-04-04 13:29:04,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:29:04,597 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:29:04,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 28.45945945945946) internal successors, (1053), 37 states have internal predecessors, (1053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 13:29:04,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:29:04,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:29:04,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 13:29:04,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 13:29:04,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:29:16,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:29:16,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:29:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 13:29:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 13:29:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-04 13:29:16,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-04 13:29:16,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:29:16,356 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)] === [2024-04-04 13:29:16,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:29:16,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1124129805, now seen corresponding path program 4 times [2024-04-04 13:29:16,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:29:16,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803457568] [2024-04-04 13:29:16,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:29:16,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:29:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:29:17,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2127 backedges. 1454 proven. 86 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2024-04-04 13:29:17,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:29:17,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803457568] [2024-04-04 13:29:17,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803457568] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 13:29:17,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29704853] [2024-04-04 13:29:17,493 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 13:29:17,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:29:17,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:29:17,509 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 13:29:17,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-04 13:29:17,941 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 13:29:17,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 13:29:17,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 1428 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 13:29:17,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 13:29:19,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2127 backedges. 1513 proven. 27 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2024-04-04 13:29:19,213 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 13:29:20,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2127 backedges. 1513 proven. 27 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2024-04-04 13:29:20,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29704853] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 13:29:20,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 13:29:20,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 44 [2024-04-04 13:29:20,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241977528] [2024-04-04 13:29:20,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 13:29:20,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-04-04 13:29:20,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:29:22,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-04-04 13:29:22,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=1570, Unknown=0, NotChecked=0, Total=1892 [2024-04-04 13:29:22,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:29:22,201 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:29:22,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 26.863636363636363) internal successors, (1182), 44 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 13:29:22,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:29:22,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:29:22,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 13:29:22,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 13:29:22,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-04 13:29:22,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:29:32,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:29:32,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:29:32,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 13:29:32,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 13:29:32,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-04 13:29:32,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 13:29:32,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-04-04 13:29:32,690 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,SelfDestructingSolverStorable7 [2024-04-04 13:29:32,698 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)] === [2024-04-04 13:29:32,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:29:32,698 INFO L85 PathProgramCache]: Analyzing trace with hash -599270590, now seen corresponding path program 5 times [2024-04-04 13:29:32,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:29:32,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853420993] [2024-04-04 13:29:32,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:29:32,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:29:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:29:34,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2202 backedges. 1789 proven. 198 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2024-04-04 13:29:34,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:29:34,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853420993] [2024-04-04 13:29:34,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853420993] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 13:29:34,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615923400] [2024-04-04 13:29:34,521 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 13:29:34,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:29:34,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:29:34,522 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 13:29:34,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-04 13:29:35,969 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-04-04 13:29:35,970 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 13:29:35,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 1712 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-04 13:29:35,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 13:29:38,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2202 backedges. 676 proven. 1369 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-04-04 13:29:38,014 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 13:29:38,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2202 backedges. 1034 proven. 532 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2024-04-04 13:29:38,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615923400] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 13:29:38,847 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 13:29:38,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25, 13] total 61 [2024-04-04 13:29:38,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460176219] [2024-04-04 13:29:38,847 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 13:29:38,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-04-04 13:29:38,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:29:39,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-04-04 13:29:39,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=3413, Unknown=0, NotChecked=0, Total=3660 [2024-04-04 13:29:39,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:29:39,641 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:29:39,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 33.622950819672134) internal successors, (2051), 61 states have internal predecessors, (2051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 13:29:39,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:29:39,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:29:39,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 13:29:39,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 13:29:39,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-04 13:29:39,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 13:29:39,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:30:38,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:30:38,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:30:38,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 13:30:38,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 13:30:38,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-04 13:30:38,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 13:30:38,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 452 states. [2024-04-04 13:30:38,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-04 13:30:38,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:30:38,490 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)] === [2024-04-04 13:30:38,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:30:38,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1280882463, now seen corresponding path program 6 times [2024-04-04 13:30:38,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:30:38,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743510307] [2024-04-04 13:30:38,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:30:38,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:30:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:30:41,205 INFO L134 CoverageAnalysis]: Checked inductivity of 6296 backedges. 4118 proven. 202 refuted. 0 times theorem prover too weak. 1976 trivial. 0 not checked. [2024-04-04 13:30:41,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:30:41,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743510307] [2024-04-04 13:30:41,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743510307] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 13:30:41,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678992707] [2024-04-04 13:30:41,206 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 13:30:41,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:30:41,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:30:41,213 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 13:30:41,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-04 13:30:43,532 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-04-04 13:30:43,532 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 13:30:43,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 2532 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-04 13:30:43,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 13:30:45,392 INFO L134 CoverageAnalysis]: Checked inductivity of 6296 backedges. 4241 proven. 85 refuted. 0 times theorem prover too weak. 1970 trivial. 0 not checked. [2024-04-04 13:30:45,392 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 13:30:46,583 INFO L134 CoverageAnalysis]: Checked inductivity of 6296 backedges. 4241 proven. 85 refuted. 0 times theorem prover too weak. 1970 trivial. 0 not checked. [2024-04-04 13:30:46,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678992707] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 13:30:46,583 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 13:30:46,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 73 [2024-04-04 13:30:46,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246586715] [2024-04-04 13:30:46,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 13:30:46,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-04-04 13:30:46,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:30:50,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-04-04 13:30:50,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=660, Invalid=4596, Unknown=0, NotChecked=0, Total=5256 [2024-04-04 13:30:50,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:30:50,989 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:30:50,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 29.65753424657534) internal successors, (2165), 73 states have internal predecessors, (2165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 13:30:50,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:30:50,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:30:50,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 13:30:50,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 13:30:50,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-04 13:30:50,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 13:30:50,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 452 states. [2024-04-04 13:30:50,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:31:30,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:31:30,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:31:30,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 13:31:30,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 13:31:30,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-04 13:31:30,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 13:31:30,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 452 states. [2024-04-04 13:31:30,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-04 13:31:30,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-04 13:31:30,810 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,SelfDestructingSolverStorable9 [2024-04-04 13:31:30,810 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)] === [2024-04-04 13:31:30,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:31:30,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1509022930, now seen corresponding path program 7 times [2024-04-04 13:31:30,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:31:30,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317280557] [2024-04-04 13:31:30,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:31:30,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:31:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:31:33,941 INFO L134 CoverageAnalysis]: Checked inductivity of 6419 backedges. 4358 proven. 683 refuted. 0 times theorem prover too weak. 1378 trivial. 0 not checked. [2024-04-04 13:31:33,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:31:33,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317280557] [2024-04-04 13:31:33,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317280557] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 13:31:33,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392148987] [2024-04-04 13:31:33,942 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-04 13:31:33,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:31:33,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:31:33,949 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 13:31:33,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-04 13:31:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:31:34,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 2574 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-04 13:31:34,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 13:31:36,757 INFO L134 CoverageAnalysis]: Checked inductivity of 6419 backedges. 4915 proven. 126 refuted. 0 times theorem prover too weak. 1378 trivial. 0 not checked. [2024-04-04 13:31:36,757 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 13:31:38,280 INFO L134 CoverageAnalysis]: Checked inductivity of 6419 backedges. 4915 proven. 126 refuted. 0 times theorem prover too weak. 1378 trivial. 0 not checked. [2024-04-04 13:31:38,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1392148987] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 13:31:38,280 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 13:31:38,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 74 [2024-04-04 13:31:38,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779049400] [2024-04-04 13:31:38,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 13:31:38,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2024-04-04 13:31:38,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:31:42,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2024-04-04 13:31:42,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=823, Invalid=4579, Unknown=0, NotChecked=0, Total=5402 [2024-04-04 13:31:42,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:31:42,868 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:31:42,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 26.54054054054054) internal successors, (1964), 74 states have internal predecessors, (1964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 13:31:42,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:31:42,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:31:42,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 13:31:42,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 13:31:42,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-04 13:31:42,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 13:31:42,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 452 states. [2024-04-04 13:31:42,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-04 13:31:42,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:32:27,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:32:27,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:32:27,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 13:32:27,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 13:32:27,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-04 13:32:27,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 13:32:27,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 452 states. [2024-04-04 13:32:27,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-04 13:32:27,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 13:32:27,260 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-04 13:32:27,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:32:27,446 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 13:32:27,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:32:27,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1756772803, now seen corresponding path program 8 times [2024-04-04 13:32:27,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:32:27,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378301418] [2024-04-04 13:32:27,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:32:27,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:32:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:32:31,103 INFO L134 CoverageAnalysis]: Checked inductivity of 6566 backedges. 4760 proven. 471 refuted. 0 times theorem prover too weak. 1335 trivial. 0 not checked. [2024-04-04 13:32:31,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:32:31,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378301418] [2024-04-04 13:32:31,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378301418] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 13:32:31,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261988310] [2024-04-04 13:32:31,104 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 13:32:31,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:32:31,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:32:31,105 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 13:32:31,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-04 13:32:31,553 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 13:32:31,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 13:32:31,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 2616 conjuncts, 34 conjunts are in the unsatisfiable core [2024-04-04 13:32:31,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 13:32:33,654 INFO L134 CoverageAnalysis]: Checked inductivity of 6566 backedges. 5056 proven. 175 refuted. 0 times theorem prover too weak. 1335 trivial. 0 not checked. [2024-04-04 13:32:33,654 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 13:32:34,840 INFO L134 CoverageAnalysis]: Checked inductivity of 6566 backedges. 5056 proven. 175 refuted. 0 times theorem prover too weak. 1335 trivial. 0 not checked. [2024-04-04 13:32:34,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261988310] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 13:32:34,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 13:32:34,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 84 [2024-04-04 13:32:34,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705977285] [2024-04-04 13:32:34,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 13:32:34,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-04-04 13:32:34,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:32:37,270 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 43 treesize of output 35 [2024-04-04 13:32:37,922 INFO L85 PathProgramCache]: Analyzing trace with hash 821307440, now seen corresponding path program 2 times [2024-04-04 13:32:37,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:32:37,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:32:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:32:38,305 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 13:32:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:32:39,147 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 43 treesize of output 35 [2024-04-04 13:32:39,760 INFO L85 PathProgramCache]: Analyzing trace with hash -365322026, now seen corresponding path program 3 times [2024-04-04 13:32:39,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:32:39,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:32:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:32:40,102 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 13:32:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:32:40,808 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 43 treesize of output 35 [2024-04-04 13:32:40,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1559920015, now seen corresponding path program 4 times [2024-04-04 13:32:40,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:32:40,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:32:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:32:41,250 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 13:32:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:32:41,923 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 43 treesize of output 35 [2024-04-04 13:32:42,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1112881143, now seen corresponding path program 5 times [2024-04-04 13:32:42,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:32:42,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:32:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:32:42,446 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 13:32:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:32:43,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 35 [2024-04-04 13:32:43,323 INFO L85 PathProgramCache]: Analyzing trace with hash 640784954, now seen corresponding path program 6 times [2024-04-04 13:32:43,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:32:43,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:32:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:32:43,557 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 13:32:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:32:44,318 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 43 treesize of output 35 [2024-04-04 13:32:46,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1504131660, now seen corresponding path program 7 times [2024-04-04 13:32:46,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:32:46,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:32:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:32:46,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 13:32:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:32:47,459 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 43 treesize of output 35 [2024-04-04 13:32:49,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1933483701, now seen corresponding path program 8 times [2024-04-04 13:32:49,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:32:49,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:32:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:32:49,851 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 13:32:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:32:50,553 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 43 treesize of output 35 [2024-04-04 13:32:52,681 INFO L85 PathProgramCache]: Analyzing trace with hash 2006546688, now seen corresponding path program 9 times [2024-04-04 13:32:52,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:32:52,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:32:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:32:52,897 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 13:32:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:32:55,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-04-04 13:32:55,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1044, Invalid=6096, Unknown=0, NotChecked=0, Total=7140 [2024-04-04 13:32:55,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:32:55,222 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:32:55,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 22.428571428571427) internal successors, (1884), 84 states have internal predecessors, (1884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 13:32:55,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:32:55,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:32:55,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 13:32:55,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 13:32:55,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-04 13:32:55,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 13:32:55,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 452 states. [2024-04-04 13:32:55,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-04 13:32:55,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 13:32:55,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:33:40,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:33:40,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:33:40,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 13:33:40,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 13:33:40,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-04 13:33:40,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 13:33:40,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 452 states. [2024-04-04 13:33:40,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-04 13:33:40,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 13:33:40,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 13:33:40,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-04 13:33:40,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-04-04 13:33:40,360 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 13:33:40,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:33:40,361 INFO L85 PathProgramCache]: Analyzing trace with hash -141516724, now seen corresponding path program 9 times [2024-04-04 13:33:40,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:33:40,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395375608] [2024-04-04 13:33:40,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:33:40,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:33:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:33:44,376 INFO L134 CoverageAnalysis]: Checked inductivity of 6737 backedges. 5188 proven. 616 refuted. 0 times theorem prover too weak. 933 trivial. 0 not checked. [2024-04-04 13:33:44,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:33:44,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395375608] [2024-04-04 13:33:44,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395375608] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 13:33:44,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860601501] [2024-04-04 13:33:44,376 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 13:33:44,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:33:44,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:33:44,389 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 13:33:44,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-04 13:33:49,164 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-04-04 13:33:49,165 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 13:33:49,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 2658 conjuncts, 44 conjunts are in the unsatisfiable core [2024-04-04 13:33:49,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 13:33:52,335 INFO L134 CoverageAnalysis]: Checked inductivity of 6737 backedges. 5838 proven. 232 refuted. 0 times theorem prover too weak. 667 trivial. 0 not checked. [2024-04-04 13:33:52,336 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 13:33:54,058 INFO L134 CoverageAnalysis]: Checked inductivity of 6737 backedges. 5838 proven. 232 refuted. 0 times theorem prover too weak. 667 trivial. 0 not checked. [2024-04-04 13:33:54,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860601501] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 13:33:54,059 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 13:33:54,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 45, 45] total 107 [2024-04-04 13:33:54,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140084181] [2024-04-04 13:33:54,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 13:33:54,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2024-04-04 13:33:54,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:33:56,099 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 43 treesize of output 35 [2024-04-04 13:33:56,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1033550764, now seen corresponding path program 10 times [2024-04-04 13:33:56,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:33:56,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:33:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:33:56,420 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 13:33:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:33:56,855 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 43 treesize of output 35 [2024-04-04 13:33:58,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1289832069, now seen corresponding path program 11 times [2024-04-04 13:33:58,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:33:58,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:33:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:33:58,407 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 13:33:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:33:58,806 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 43 treesize of output 35 [2024-04-04 13:33:58,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1330087547, now seen corresponding path program 12 times [2024-04-04 13:33:58,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:33:58,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:33:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:33:59,120 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 13:33:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:33:59,564 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 43 treesize of output 35 [2024-04-04 13:33:59,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1804053153, now seen corresponding path program 13 times [2024-04-04 13:33:59,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:33:59,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:34:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:34:00,003 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 13:34:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:34:00,449 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 43 treesize of output 35 [2024-04-04 13:34:00,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1471737504, now seen corresponding path program 14 times [2024-04-04 13:34:00,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:34:00,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:34:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:34:01,055 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 13:34:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:34:01,487 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 43 treesize of output 35 [2024-04-04 13:34:01,665 INFO L85 PathProgramCache]: Analyzing trace with hash -779327058, now seen corresponding path program 15 times [2024-04-04 13:34:01,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:34:01,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:34:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:34:01,990 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 13:34:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:34:02,537 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 43 treesize of output 35 [2024-04-04 13:34:04,382 INFO L85 PathProgramCache]: Analyzing trace with hash 294927627, now seen corresponding path program 16 times [2024-04-04 13:34:04,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:34:04,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:34:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:34:04,651 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 13:34:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:34:06,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2024-04-04 13:34:06,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1798, Invalid=9758, Unknown=0, NotChecked=0, Total=11556 [2024-04-04 13:34:06,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:34:06,529 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:34:06,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 27.906542056074766) internal successors, (2986), 107 states have internal predecessors, (2986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 13:34:06,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:34:06,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:34:06,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 13:34:06,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 13:34:06,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-04 13:34:06,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 13:34:06,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 452 states. [2024-04-04 13:34:06,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-04 13:34:06,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 13:34:06,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 13:34:06,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:34:53,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:34:53,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:34:53,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 13:34:53,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 13:34:53,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-04 13:34:53,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 13:34:53,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 452 states. [2024-04-04 13:34:53,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-04 13:34:53,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 13:34:53,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 13:34:53,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 13:34:53,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-04 13:34:54,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27 [2024-04-04 13:34:54,016 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 13:34:54,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:34:54,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1719676552, now seen corresponding path program 10 times [2024-04-04 13:34:54,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:34:54,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47827986] [2024-04-04 13:34:54,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:34:54,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:34:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:34:58,470 INFO L134 CoverageAnalysis]: Checked inductivity of 7661 backedges. 2397 proven. 3560 refuted. 0 times theorem prover too weak. 1704 trivial. 0 not checked. [2024-04-04 13:34:58,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:34:58,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47827986] [2024-04-04 13:34:58,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47827986] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 13:34:58,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120651503] [2024-04-04 13:34:58,471 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 13:34:58,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:34:58,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:34:58,472 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 13:34:58,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-04 13:34:59,107 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 13:34:59,107 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 13:34:59,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 2428 conjuncts, 44 conjunts are in the unsatisfiable core [2024-04-04 13:34:59,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 13:35:02,813 INFO L134 CoverageAnalysis]: Checked inductivity of 7661 backedges. 2666 proven. 3339 refuted. 0 times theorem prover too weak. 1656 trivial. 0 not checked. [2024-04-04 13:35:02,813 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 13:35:05,451 INFO L134 CoverageAnalysis]: Checked inductivity of 7661 backedges. 2755 proven. 3250 refuted. 0 times theorem prover too weak. 1656 trivial. 0 not checked. [2024-04-04 13:35:05,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120651503] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 13:35:05,451 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 13:35:05,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 45, 45] total 107 [2024-04-04 13:35:05,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203554634] [2024-04-04 13:35:05,452 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 13:35:05,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2024-04-04 13:35:05,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:35:07,758 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 43 treesize of output 35 [2024-04-04 13:35:07,919 INFO L85 PathProgramCache]: Analyzing trace with hash 286402307, now seen corresponding path program 17 times [2024-04-04 13:35:07,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:35:07,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:35:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:35:08,188 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 13:35:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:35:08,694 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 43 treesize of output 35 [2024-04-04 13:35:09,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1097364657, now seen corresponding path program 18 times [2024-04-04 13:35:09,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:35:09,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:35:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:35:10,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 13:35:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:35:11,662 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 43 treesize of output 35 [2024-04-04 13:35:11,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1095921955, now seen corresponding path program 19 times [2024-04-04 13:35:11,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:35:11,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:35:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:35:12,267 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 13:35:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:35:12,955 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 43 treesize of output 35 [2024-04-04 13:35:13,099 INFO L85 PathProgramCache]: Analyzing trace with hash 748022491, now seen corresponding path program 20 times [2024-04-04 13:35:13,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:35:13,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:35:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:35:13,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 13:35:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:35:14,165 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 43 treesize of output 35 [2024-04-04 13:35:14,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1590103996, now seen corresponding path program 21 times [2024-04-04 13:35:14,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:35:14,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:35:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:35:14,688 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 13:35:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:35:15,486 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 43 treesize of output 35 [2024-04-04 13:35:16,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1090469975, now seen corresponding path program 22 times [2024-04-04 13:35:16,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:35:16,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:35:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:35:16,667 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 13:35:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:35:17,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2024-04-04 13:35:17,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1827, Invalid=9729, Unknown=0, NotChecked=0, Total=11556 [2024-04-04 13:35:17,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:35:17,785 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:35:17,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 21.44859813084112) internal successors, (2295), 107 states have internal predecessors, (2295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 13:35:17,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:35:17,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:35:17,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 13:35:17,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 13:35:17,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-04 13:35:17,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 13:35:17,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 452 states. [2024-04-04 13:35:17,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-04 13:35:17,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 13:35:17,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 13:35:17,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 13:35:17,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-04-04 13:37:12,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-04 13:37:12,769 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 13:37:12,778 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 13:37:12,778 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 13:37:12,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-04-04 13:37:12,936 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2024-04-04 13:37:12,938 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-04 13:37:12,938 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-04 13:37:12,938 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-04 13:37:12,939 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-04 13:37:12,942 INFO L445 BasicCegarLoop]: Path program histogram: [22, 10, 1, 1] [2024-04-04 13:37:12,944 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 13:37:12,946 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 13:37:12,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 01:37:12 BasicIcfg [2024-04-04 13:37:12,953 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 13:37:12,953 INFO L158 Benchmark]: Toolchain (without parser) took 537981.00ms. Allocated memory was 188.7MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 121.3MB in the beginning and 6.0GB in the end (delta: -5.9GB). Peak memory consumption was 4.1GB. Max. memory is 8.0GB. [2024-04-04 13:37:12,953 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 188.7MB. Free memory is still 159.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 13:37:12,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.08ms. Allocated memory is still 188.7MB. Free memory was 121.1MB in the beginning and 109.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-04-04 13:37:12,954 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.29ms. Allocated memory is still 188.7MB. Free memory was 109.0MB in the beginning and 106.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 13:37:12,954 INFO L158 Benchmark]: Boogie Preprocessor took 46.68ms. Allocated memory is still 188.7MB. Free memory was 106.4MB in the beginning and 104.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 13:37:12,954 INFO L158 Benchmark]: RCFGBuilder took 670.75ms. Allocated memory was 188.7MB in the beginning and 257.9MB in the end (delta: 69.2MB). Free memory was 104.1MB in the beginning and 212.1MB in the end (delta: -108.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2024-04-04 13:37:12,955 INFO L158 Benchmark]: TraceAbstraction took 536960.32ms. Allocated memory was 257.9MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 211.0MB in the beginning and 6.0GB in the end (delta: -5.8GB). Peak memory consumption was 4.1GB. Max. memory is 8.0GB. [2024-04-04 13:37:12,959 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 188.7MB. Free memory is still 159.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 254.08ms. Allocated memory is still 188.7MB. Free memory was 121.1MB in the beginning and 109.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.29ms. Allocated memory is still 188.7MB. Free memory was 109.0MB in the beginning and 106.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.68ms. Allocated memory is still 188.7MB. Free memory was 106.4MB in the beginning and 104.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 670.75ms. Allocated memory was 188.7MB in the beginning and 257.9MB in the end (delta: 69.2MB). Free memory was 104.1MB in the beginning and 212.1MB in the end (delta: -108.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 536960.32ms. Allocated memory was 257.9MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 211.0MB in the beginning and 6.0GB in the end (delta: -5.8GB). Peak memory consumption was 4.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 22284019, independent: 21289414, independent conditional: 21289414, independent unconditional: 0, dependent: 994605, dependent conditional: 994604, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 21294214, independent: 21289414, independent conditional: 21289414, independent unconditional: 0, dependent: 4800, dependent conditional: 4800, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21294214, independent: 21289414, independent conditional: 21289414, independent unconditional: 0, dependent: 4800, dependent conditional: 4800, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 21294214, independent: 21289414, independent conditional: 21289414, independent unconditional: 0, dependent: 4800, dependent conditional: 4800, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21307103, independent: 21289414, independent conditional: 51252, independent unconditional: 21238162, dependent: 17689, dependent conditional: 8297, dependent unconditional: 9392, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 21307103, independent: 21289414, independent conditional: 49681, independent unconditional: 21239733, dependent: 17689, dependent conditional: 7105, dependent unconditional: 10584, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21307103, independent: 21289414, independent conditional: 49681, independent unconditional: 21239733, dependent: 17689, dependent conditional: 7105, dependent unconditional: 10584, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15260, independent: 15090, independent conditional: 100, independent unconditional: 14990, dependent: 170, dependent conditional: 164, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15260, independent: 15087, independent conditional: 0, independent unconditional: 15087, dependent: 173, dependent conditional: 0, dependent unconditional: 173, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 173, independent: 3, independent conditional: 3, independent unconditional: 0, dependent: 170, dependent conditional: 164, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 173, independent: 3, independent conditional: 3, independent unconditional: 0, dependent: 170, dependent conditional: 164, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 328, independent: 2, independent conditional: 2, independent unconditional: 0, dependent: 326, dependent conditional: 277, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 21307103, independent: 21274324, independent conditional: 49581, independent unconditional: 21224743, dependent: 17519, dependent conditional: 6941, dependent unconditional: 10578, unknown: 15260, unknown conditional: 264, unknown unconditional: 14996] , Statistics on independence cache: Total cache size (in pairs): 15260, Positive cache size: 15090, Positive conditional cache size: 100, Positive unconditional cache size: 14990, Negative cache size: 170, Negative conditional cache size: 164, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2763, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21307103, independent: 21289414, independent conditional: 51252, independent unconditional: 21238162, dependent: 17689, dependent conditional: 8297, dependent unconditional: 9392, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 21307103, independent: 21289414, independent conditional: 49681, independent unconditional: 21239733, dependent: 17689, dependent conditional: 7105, dependent unconditional: 10584, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21307103, independent: 21289414, independent conditional: 49681, independent unconditional: 21239733, dependent: 17689, dependent conditional: 7105, dependent unconditional: 10584, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15260, independent: 15090, independent conditional: 100, independent unconditional: 14990, dependent: 170, dependent conditional: 164, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15260, independent: 15087, independent conditional: 0, independent unconditional: 15087, dependent: 173, dependent conditional: 0, dependent unconditional: 173, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 173, independent: 3, independent conditional: 3, independent unconditional: 0, dependent: 170, dependent conditional: 164, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 173, independent: 3, independent conditional: 3, independent unconditional: 0, dependent: 170, dependent conditional: 164, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 328, independent: 2, independent conditional: 2, independent unconditional: 0, dependent: 326, dependent conditional: 277, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 21307103, independent: 21274324, independent conditional: 49581, independent unconditional: 21224743, dependent: 17519, dependent conditional: 6941, dependent unconditional: 10578, unknown: 15260, unknown conditional: 264, unknown unconditional: 14996] , Statistics on independence cache: Total cache size (in pairs): 15260, Positive cache size: 15090, Positive conditional cache size: 100, Positive unconditional cache size: 14990, Negative cache size: 170, Negative conditional cache size: 164, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2763 ], Independence queries for same thread: 989805 - TimeoutResultAtElement [Line: 91]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 490 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 536.7s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 22, EmptinessCheckTime: 403.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 859, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 10.6s SatisfiabilityAnalysisTime, 55.4s InterpolantComputationTime, 25973 NumberOfCodeBlocks, 25697 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 38197 ConstructedInterpolants, 0 QuantifiedInterpolants, 138887 SizeOfPredicates, 253 NumberOfNonLiveVariables, 19872 ConjunctsInSsa, 268 ConjunctsInUnsatCore, 32 InterpolantComputations, 2 PerfectInterpolantSequences, 109195/126241 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown