/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 50 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/bigshot_s.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-06 13:07:25,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-06 13:07:25,917 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-06 13:07:25,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-06 13:07:25,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-06 13:07:25,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-06 13:07:25,954 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-06 13:07:25,954 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-06 13:07:25,955 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-06 13:07:25,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-06 13:07:25,959 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-06 13:07:25,959 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-06 13:07:25,959 INFO L153 SettingsManager]: * Use SBE=true [2024-05-06 13:07:25,961 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-06 13:07:25,961 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-06 13:07:25,962 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-06 13:07:25,962 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-06 13:07:25,962 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-06 13:07:25,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-06 13:07:25,962 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-06 13:07:25,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-06 13:07:25,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-06 13:07:25,963 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-06 13:07:25,963 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-06 13:07:25,964 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-06 13:07:25,964 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-06 13:07:25,964 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-06 13:07:25,964 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-06 13:07:25,965 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-06 13:07:25,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 13:07:25,966 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-06 13:07:25,966 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-06 13:07:25,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-06 13:07:25,967 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-06 13:07:25,967 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-06 13:07:25,967 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-06 13:07:25,967 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-06 13:07:25,967 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-06 13:07:25,967 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-06 13:07:25,968 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 50 [2024-05-06 13:07:26,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-06 13:07:26,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-06 13:07:26,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-06 13:07:26,258 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-06 13:07:26,259 INFO L274 PluginConnector]: CDTParser initialized [2024-05-06 13:07:26,260 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/bigshot_s.i [2024-05-06 13:07:27,436 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-06 13:07:27,690 INFO L384 CDTParser]: Found 1 translation units. [2024-05-06 13:07:27,690 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s.i [2024-05-06 13:07:27,724 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cef24c0fb/dd85bab8da0d4d5c9a9cb2d2ed65247d/FLAG4bc06fd56 [2024-05-06 13:07:27,736 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cef24c0fb/dd85bab8da0d4d5c9a9cb2d2ed65247d [2024-05-06 13:07:27,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-06 13:07:27,740 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-06 13:07:27,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-06 13:07:27,741 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-06 13:07:27,747 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-06 13:07:27,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 01:07:27" (1/1) ... [2024-05-06 13:07:27,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43edbc24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 01:07:27, skipping insertion in model container [2024-05-06 13:07:27,749 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 01:07:27" (1/1) ... [2024-05-06 13:07:27,806 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-06 13:07:28,280 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s.i[55202,55215] [2024-05-06 13:07:28,301 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 13:07:28,314 INFO L202 MainTranslator]: Completed pre-run [2024-05-06 13:07:28,345 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s.i[55202,55215] [2024-05-06 13:07:28,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 13:07:28,413 INFO L206 MainTranslator]: Completed translation [2024-05-06 13:07:28,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 01:07:28 WrapperNode [2024-05-06 13:07:28,414 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-06 13:07:28,416 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-06 13:07:28,416 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-06 13:07:28,416 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-06 13:07:28,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 01:07:28" (1/1) ... [2024-05-06 13:07:28,485 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 01:07:28" (1/1) ... [2024-05-06 13:07:28,512 INFO L138 Inliner]: procedures = 323, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2024-05-06 13:07:28,513 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-06 13:07:28,514 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-06 13:07:28,514 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-06 13:07:28,514 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-06 13:07:28,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 01:07:28" (1/1) ... [2024-05-06 13:07:28,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 01:07:28" (1/1) ... [2024-05-06 13:07:28,525 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 01:07:28" (1/1) ... [2024-05-06 13:07:28,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 01:07:28" (1/1) ... [2024-05-06 13:07:28,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 01:07:28" (1/1) ... [2024-05-06 13:07:28,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 01:07:28" (1/1) ... [2024-05-06 13:07:28,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 01:07:28" (1/1) ... [2024-05-06 13:07:28,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 01:07:28" (1/1) ... [2024-05-06 13:07:28,538 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-06 13:07:28,539 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-06 13:07:28,539 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-06 13:07:28,539 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-06 13:07:28,540 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 01:07:28" (1/1) ... [2024-05-06 13:07:28,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 13:07:28,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 13:07:28,574 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-06 13:07:28,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-06 13:07:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-06 13:07:28,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-06 13:07:28,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-05-06 13:07:28,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-06 13:07:28,629 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-06 13:07:28,629 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-06 13:07:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-06 13:07:28,630 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-06 13:07:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-06 13:07:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-06 13:07:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-06 13:07:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-06 13:07:28,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-06 13:07:28,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-06 13:07:28,634 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-06 13:07:28,760 INFO L241 CfgBuilder]: Building ICFG [2024-05-06 13:07:28,761 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-06 13:07:28,934 INFO L282 CfgBuilder]: Performing block encoding [2024-05-06 13:07:28,953 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-06 13:07:28,953 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2024-05-06 13:07:28,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 01:07:28 BoogieIcfgContainer [2024-05-06 13:07:28,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-06 13:07:28,957 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-06 13:07:28,957 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-06 13:07:28,960 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-06 13:07:28,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 01:07:27" (1/3) ... [2024-05-06 13:07:28,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@147af257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 01:07:28, skipping insertion in model container [2024-05-06 13:07:28,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 01:07:28" (2/3) ... [2024-05-06 13:07:28,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@147af257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 01:07:28, skipping insertion in model container [2024-05-06 13:07:28,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 01:07:28" (3/3) ... [2024-05-06 13:07:28,963 INFO L112 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2024-05-06 13:07:28,973 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-06 13:07:28,982 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-06 13:07:28,982 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-06 13:07:28,983 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-06 13:07:29,055 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-06 13:07:29,099 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-06 13:07:29,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-06 13:07:29,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 13:07:29,106 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-06 13:07:29,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-06 13:07:29,140 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-06 13:07:29,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 13:07:29,154 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-06 13:07:29,161 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;@69abe5dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=50, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-06 13:07:29,161 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-06 13:07:29,228 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 13:07:29,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 13:07:29,237 INFO L85 PathProgramCache]: Analyzing trace with hash -82218947, now seen corresponding path program 1 times [2024-05-06 13:07:29,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 13:07:29,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715543861] [2024-05-06 13:07:29,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 13:07:29,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 13:07:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 13:07:29,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 13:07:29,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 13:07:29,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715543861] [2024-05-06 13:07:29,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715543861] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 13:07:29,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 13:07:29,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-06 13:07:29,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251416286] [2024-05-06 13:07:29,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 13:07:29,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-06 13:07:29,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 13:07:29,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-06 13:07:29,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-06 13:07:29,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 13:07:29,663 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 13:07:29,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 13:07:29,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 13:07:29,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 13:07:29,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-06 13:07:29,722 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 13:07:29,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 13:07:29,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1657516736, now seen corresponding path program 1 times [2024-05-06 13:07:29,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 13:07:29,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781333578] [2024-05-06 13:07:29,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 13:07:29,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 13:07:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 13:07:30,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 13:07:30,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 13:07:30,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781333578] [2024-05-06 13:07:30,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781333578] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 13:07:30,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 13:07:30,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-06 13:07:30,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884110061] [2024-05-06 13:07:30,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 13:07:30,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-06 13:07:30,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 13:07:30,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-06 13:07:30,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-06 13:07:30,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 13:07:30,081 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 13:07:30,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 13:07:30,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 13:07:30,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 13:07:30,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 13:07:30,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 13:07:30,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-06 13:07:30,225 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 13:07:30,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 13:07:30,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1807382726, now seen corresponding path program 1 times [2024-05-06 13:07:30,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 13:07:30,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782496057] [2024-05-06 13:07:30,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 13:07:30,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 13:07:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 13:07:30,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 13:07:30,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 13:07:30,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782496057] [2024-05-06 13:07:30,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782496057] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 13:07:30,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 13:07:30,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-05-06 13:07:30,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164857251] [2024-05-06 13:07:30,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 13:07:30,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-05-06 13:07:30,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 13:07:30,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-05-06 13:07:30,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-05-06 13:07:30,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 13:07:30,772 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 13:07:30,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 13:07:30,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 13:07:30,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 13:07:30,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 13:07:31,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 13:07:31,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 13:07:31,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 13:07:31,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-06 13:07:31,028 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 13:07:31,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 13:07:31,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1410870506, now seen corresponding path program 1 times [2024-05-06 13:07:31,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 13:07:31,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762623438] [2024-05-06 13:07:31,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 13:07:31,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 13:07:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 13:07:31,672 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 13:07:31,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 13:07:31,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762623438] [2024-05-06 13:07:31,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762623438] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 13:07:31,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319474424] [2024-05-06 13:07:31,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 13:07:31,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 13:07:31,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 13:07:31,726 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 13:07:31,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-06 13:07:31,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 13:07:31,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 44 conjunts are in the unsatisfiable core [2024-05-06 13:07:31,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 13:07:31,997 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-05-06 13:07:31,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-05-06 13:07:32,035 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-06 13:07:32,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-05-06 13:07:32,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-05-06 13:07:32,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-05-06 13:07:32,505 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2024-05-06 13:07:32,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2024-05-06 13:07:32,676 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-05-06 13:07:32,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 21 [2024-05-06 13:07:32,873 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 13:07:32,878 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 13:07:33,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 13:07:33,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [319474424] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 13:07:33,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 13:07:33,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 20, 18] total 43 [2024-05-06 13:07:33,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857938973] [2024-05-06 13:07:33,916 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 13:07:33,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-05-06 13:07:33,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 13:07:33,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-05-06 13:07:33,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=1660, Unknown=0, NotChecked=0, Total=1806 [2024-05-06 13:07:33,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 13:07:33,921 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 13:07:33,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 4.604651162790698) internal successors, (198), 43 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 13:07:33,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 13:07:33,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 13:07:33,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-06 13:07:33,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 13:07:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 13:07:35,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 13:07:35,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 13:07:35,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-06 13:07:35,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-06 13:07:35,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 13:07:35,695 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 13:07:35,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 13:07:35,696 INFO L85 PathProgramCache]: Analyzing trace with hash 748872362, now seen corresponding path program 2 times [2024-05-06 13:07:35,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 13:07:35,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884056646] [2024-05-06 13:07:35,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 13:07:35,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 13:07:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 13:07:36,522 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 13:07:36,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 13:07:36,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884056646] [2024-05-06 13:07:36,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884056646] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 13:07:36,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349774421] [2024-05-06 13:07:36,523 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 13:07:36,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 13:07:36,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 13:07:36,525 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 13:07:36,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-06 13:07:36,633 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 13:07:36,633 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 13:07:36,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 53 conjunts are in the unsatisfiable core [2024-05-06 13:07:36,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 13:07:36,707 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-05-06 13:07:36,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-05-06 13:07:36,743 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-06 13:07:36,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-05-06 13:07:36,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-05-06 13:07:36,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-05-06 13:07:37,170 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2024-05-06 13:07:37,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2024-05-06 13:07:37,324 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-05-06 13:07:37,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 21 [2024-05-06 13:07:37,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 13:07:37,403 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-05-06 13:07:37,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 21 [2024-05-06 13:07:37,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 13:07:37,486 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-05-06 13:07:37,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 21 [2024-05-06 13:07:37,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 13:07:37,582 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-05-06 13:07:37,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 21 [2024-05-06 13:07:37,752 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 13:07:37,752 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 13:08:35,006 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 18 proven. 12 refuted. 2 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-06 13:08:35,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349774421] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 13:08:35,006 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 13:08:35,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 23, 22] total 53 [2024-05-06 13:08:35,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445983668] [2024-05-06 13:08:35,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 13:08:35,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-05-06 13:08:35,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 13:08:35,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-05-06 13:08:35,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=2515, Unknown=17, NotChecked=0, Total=2756 [2024-05-06 13:08:35,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 13:08:35,010 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 13:08:35,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 4.3584905660377355) internal successors, (231), 53 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 13:08:35,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 13:08:35,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 13:08:35,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-06 13:08:35,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-06 13:08:35,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 13:08:37,398 INFO L349 Elim1Store]: treesize reduction 31, result has 8.8 percent of original size [2024-05-06 13:08:37,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 34 [2024-05-06 13:08:37,633 INFO L85 PathProgramCache]: Analyzing trace with hash -255500156, now seen corresponding path program 1 times [2024-05-06 13:08:37,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 13:08:37,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 13:08:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 13:08:37,663 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 13:08:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 13:08:37,943 INFO L349 Elim1Store]: treesize reduction 50, result has 5.7 percent of original size [2024-05-06 13:08:37,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 38 [2024-05-06 13:08:38,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1455481184, now seen corresponding path program 1 times [2024-05-06 13:08:38,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 13:08:38,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 13:08:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 13:08:38,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 13:08:38,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 13:08:38,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 13:08:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 13:08:38,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 13:08:38,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-06 13:08:38,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-05-06 13:08:38,507 INFO L349 Elim1Store]: treesize reduction 31, result has 8.8 percent of original size [2024-05-06 13:08:38,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 34 [2024-05-06 13:08:38,689 INFO L85 PathProgramCache]: Analyzing trace with hash -255500156, now seen corresponding path program 2 times [2024-05-06 13:08:38,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 13:08:38,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 13:08:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 13:08:38,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 13:08:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 13:08:39,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 13:08:39,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 13:08:39,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 13:08:39,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-06 13:08:39,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-06 13:08:39,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-06 13:08:39,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 13:08:39,994 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 13:08:39,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 13:08:39,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1014379393, now seen corresponding path program 1 times [2024-05-06 13:08:39,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 13:08:39,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988934028] [2024-05-06 13:08:39,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 13:08:39,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 13:08:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 13:08:40,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 13:08:40,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 13:08:40,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988934028] [2024-05-06 13:08:40,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988934028] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 13:08:40,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 13:08:40,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-06 13:08:40,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676724164] [2024-05-06 13:08:40,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 13:08:40,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-06 13:08:40,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 13:08:40,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-06 13:08:40,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-05-06 13:08:40,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 13:08:40,122 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 13:08:40,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 13:08:40,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 13:08:40,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 13:08:40,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-06 13:08:40,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-06 13:08:40,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-06 13:08:40,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 13:08:40,355 INFO L349 Elim1Store]: treesize reduction 31, result has 8.8 percent of original size [2024-05-06 13:08:40,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 34 [2024-05-06 13:08:40,561 INFO L85 PathProgramCache]: Analyzing trace with hash -255500156, now seen corresponding path program 3 times [2024-05-06 13:08:40,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 13:08:40,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 13:08:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 13:08:40,571 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 13:08:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 13:08:41,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 13:08:41,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 13:08:41,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 13:08:41,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-06 13:08:41,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-06 13:08:41,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-06 13:08:41,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-05-06 13:08:41,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-06 13:08:41,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-06 13:08:41,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2024-05-06 13:08:41,299 INFO L448 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1] [2024-05-06 13:08:41,302 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-06 13:08:41,302 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-06 13:08:41,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 01:08:41 BasicIcfg [2024-05-06 13:08:41,305 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-06 13:08:41,305 INFO L158 Benchmark]: Toolchain (without parser) took 73565.61ms. Allocated memory was 333.4MB in the beginning and 502.3MB in the end (delta: 168.8MB). Free memory was 261.3MB in the beginning and 205.5MB in the end (delta: 55.8MB). Peak memory consumption was 225.3MB. Max. memory is 8.0GB. [2024-05-06 13:08:41,305 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 176.2MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-06 13:08:41,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 673.70ms. Allocated memory is still 333.4MB. Free memory was 261.1MB in the beginning and 228.2MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2024-05-06 13:08:41,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.50ms. Allocated memory is still 333.4MB. Free memory was 228.2MB in the beginning and 301.3MB in the end (delta: -73.0MB). Peak memory consumption was 7.9MB. Max. memory is 8.0GB. [2024-05-06 13:08:41,306 INFO L158 Benchmark]: Boogie Preprocessor took 24.53ms. Allocated memory is still 333.4MB. Free memory was 301.3MB in the beginning and 299.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-06 13:08:41,306 INFO L158 Benchmark]: RCFGBuilder took 415.86ms. Allocated memory is still 333.4MB. Free memory was 299.7MB in the beginning and 283.9MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2024-05-06 13:08:41,307 INFO L158 Benchmark]: TraceAbstraction took 72347.51ms. Allocated memory was 333.4MB in the beginning and 502.3MB in the end (delta: 168.8MB). Free memory was 282.9MB in the beginning and 205.5MB in the end (delta: 77.4MB). Peak memory consumption was 245.7MB. Max. memory is 8.0GB. [2024-05-06 13:08:41,311 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 176.2MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 673.70ms. Allocated memory is still 333.4MB. Free memory was 261.1MB in the beginning and 228.2MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 97.50ms. Allocated memory is still 333.4MB. Free memory was 228.2MB in the beginning and 301.3MB in the end (delta: -73.0MB). Peak memory consumption was 7.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.53ms. Allocated memory is still 333.4MB. Free memory was 301.3MB in the beginning and 299.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 415.86ms. Allocated memory is still 333.4MB. Free memory was 299.7MB in the beginning and 283.9MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 72347.51ms. Allocated memory was 333.4MB in the beginning and 502.3MB in the end (delta: 168.8MB). Free memory was 282.9MB in the beginning and 205.5MB in the end (delta: 77.4MB). Peak memory consumption was 245.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1044, independent: 841, independent conditional: 806, independent unconditional: 35, dependent: 203, dependent conditional: 203, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 868, independent: 841, independent conditional: 806, independent unconditional: 35, dependent: 27, dependent conditional: 27, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 868, independent: 841, independent conditional: 806, independent unconditional: 35, dependent: 27, dependent conditional: 27, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 868, independent: 841, independent conditional: 806, independent unconditional: 35, dependent: 27, dependent conditional: 27, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 965, independent: 841, independent conditional: 384, independent unconditional: 457, dependent: 124, dependent conditional: 98, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 965, independent: 841, independent conditional: 247, independent unconditional: 594, dependent: 124, dependent conditional: 71, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 965, independent: 841, independent conditional: 247, independent unconditional: 594, dependent: 124, dependent conditional: 71, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 153, independent: 136, independent conditional: 36, independent unconditional: 100, dependent: 17, dependent conditional: 16, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 153, independent: 136, independent conditional: 0, independent unconditional: 136, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 17, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 17, dependent conditional: 16, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 17, dependent conditional: 16, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 66, dependent conditional: 65, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 965, independent: 705, independent conditional: 211, independent unconditional: 494, dependent: 107, dependent conditional: 55, dependent unconditional: 52, unknown: 153, unknown conditional: 52, unknown unconditional: 101] , Statistics on independence cache: Total cache size (in pairs): 153, Positive cache size: 136, Positive conditional cache size: 36, Positive unconditional cache size: 100, Negative cache size: 17, Negative conditional cache size: 16, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 164, Maximal queried relation: 6, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 965, independent: 841, independent conditional: 384, independent unconditional: 457, dependent: 124, dependent conditional: 98, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 965, independent: 841, independent conditional: 247, independent unconditional: 594, dependent: 124, dependent conditional: 71, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 965, independent: 841, independent conditional: 247, independent unconditional: 594, dependent: 124, dependent conditional: 71, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 153, independent: 136, independent conditional: 36, independent unconditional: 100, dependent: 17, dependent conditional: 16, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 153, independent: 136, independent conditional: 0, independent unconditional: 136, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 17, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 17, dependent conditional: 16, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 17, dependent conditional: 16, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 66, dependent conditional: 65, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 965, independent: 705, independent conditional: 211, independent unconditional: 494, dependent: 107, dependent conditional: 55, dependent unconditional: 52, unknown: 153, unknown conditional: 52, unknown unconditional: 101] , Statistics on independence cache: Total cache size (in pairs): 153, Positive cache size: 136, Positive conditional cache size: 36, Positive unconditional cache size: 100, Negative cache size: 17, Negative conditional cache size: 16, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 164 ], Independence queries for same thread: 176 - PositiveResult [Line: 1107]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 114 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 72.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 8.0s, 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: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 62.8s InterpolantComputationTime, 574 NumberOfCodeBlocks, 574 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 722 ConstructedInterpolants, 66 QuantifiedInterpolants, 8636 SizeOfPredicates, 35 NumberOfNonLiveVariables, 447 ConjunctsInSsa, 97 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 30/117 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 3.3s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 1, ConditionalCommutativityConditionCalculations: 14, ConditionalCommutativityTraceChecks: 4, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-06 13:08:41,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-06 13:08:41,546 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...