/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe001_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-06 09:52:25,806 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-06 09:52:25,855 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-06 09:52:25,859 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-06 09:52:25,859 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-06 09:52:25,878 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-06 09:52:25,879 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-06 09:52:25,879 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-06 09:52:25,880 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-06 09:52:25,880 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-06 09:52:25,881 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-06 09:52:25,881 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-06 09:52:25,881 INFO L153 SettingsManager]: * Use SBE=true [2024-05-06 09:52:25,882 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-06 09:52:25,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-06 09:52:25,882 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-06 09:52:25,883 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-06 09:52:25,883 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-06 09:52:25,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-06 09:52:25,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-06 09:52:25,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-06 09:52:25,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-06 09:52:25,884 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-06 09:52:25,885 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-06 09:52:25,885 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-06 09:52:25,885 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-06 09:52:25,885 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-06 09:52:25,886 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-06 09:52:25,886 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-06 09:52:25,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 09:52:25,886 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-06 09:52:25,887 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-06 09:52:25,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-06 09:52:25,887 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-06 09:52:25,887 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-06 09:52:25,887 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-06 09:52:25,888 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-06 09:52:25,888 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-06 09:52:25,888 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-06 09:52:25,888 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-06 09:52:26,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-06 09:52:26,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-06 09:52:26,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-06 09:52:26,177 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-06 09:52:26,178 INFO L274 PluginConnector]: CDTParser initialized [2024-05-06 09:52:26,178 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe001_tso.i [2024-05-06 09:52:27,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-06 09:52:27,671 INFO L384 CDTParser]: Found 1 translation units. [2024-05-06 09:52:27,672 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe001_tso.i [2024-05-06 09:52:27,690 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4d09b5e3b/e7e5941a2a5847ff958e8682e71e89cc/FLAGb66e4392e [2024-05-06 09:52:27,702 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4d09b5e3b/e7e5941a2a5847ff958e8682e71e89cc [2024-05-06 09:52:27,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-06 09:52:27,705 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-06 09:52:27,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-06 09:52:27,707 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-06 09:52:27,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-06 09:52:27,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 09:52:27" (1/1) ... [2024-05-06 09:52:27,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13e1f909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:52:27, skipping insertion in model container [2024-05-06 09:52:27,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 09:52:27" (1/1) ... [2024-05-06 09:52:27,762 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-06 09:52:27,908 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-wmm/safe001_tso.i[945,958] [2024-05-06 09:52:28,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 09:52:28,113 INFO L202 MainTranslator]: Completed pre-run [2024-05-06 09:52:28,127 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-wmm/safe001_tso.i[945,958] [2024-05-06 09:52:28,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 09:52:28,219 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 09:52:28,219 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 09:52:28,226 INFO L206 MainTranslator]: Completed translation [2024-05-06 09:52:28,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:52:28 WrapperNode [2024-05-06 09:52:28,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-06 09:52:28,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-06 09:52:28,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-06 09:52:28,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-06 09:52:28,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:52:28" (1/1) ... [2024-05-06 09:52:28,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:52:28" (1/1) ... [2024-05-06 09:52:28,292 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-05-06 09:52:28,292 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-06 09:52:28,293 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-06 09:52:28,293 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-06 09:52:28,293 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-06 09:52:28,300 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:52:28" (1/1) ... [2024-05-06 09:52:28,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:52:28" (1/1) ... [2024-05-06 09:52:28,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:52:28" (1/1) ... [2024-05-06 09:52:28,318 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:52:28" (1/1) ... [2024-05-06 09:52:28,322 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:52:28" (1/1) ... [2024-05-06 09:52:28,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:52:28" (1/1) ... [2024-05-06 09:52:28,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:52:28" (1/1) ... [2024-05-06 09:52:28,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:52:28" (1/1) ... [2024-05-06 09:52:28,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-06 09:52:28,328 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-06 09:52:28,328 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-06 09:52:28,328 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-06 09:52:28,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:52:28" (1/1) ... [2024-05-06 09:52:28,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 09:52:28,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 09:52:28,377 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 09:52:28,396 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 09:52:28,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-06 09:52:28,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-06 09:52:28,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-06 09:52:28,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-06 09:52:28,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-06 09:52:28,423 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-05-06 09:52:28,423 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-05-06 09:52:28,423 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-05-06 09:52:28,423 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-05-06 09:52:28,423 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-05-06 09:52:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-05-06 09:52:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-06 09:52:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-06 09:52:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-06 09:52:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-06 09:52:28,427 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 09:52:28,590 INFO L241 CfgBuilder]: Building ICFG [2024-05-06 09:52:28,594 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-06 09:52:28,766 INFO L282 CfgBuilder]: Performing block encoding [2024-05-06 09:52:28,775 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-06 09:52:28,776 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-06 09:52:28,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 09:52:28 BoogieIcfgContainer [2024-05-06 09:52:28,777 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-06 09:52:28,780 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-06 09:52:28,780 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-06 09:52:28,783 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-06 09:52:28,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 09:52:27" (1/3) ... [2024-05-06 09:52:28,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b44df2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 09:52:28, skipping insertion in model container [2024-05-06 09:52:28,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:52:28" (2/3) ... [2024-05-06 09:52:28,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b44df2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 09:52:28, skipping insertion in model container [2024-05-06 09:52:28,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 09:52:28" (3/3) ... [2024-05-06 09:52:28,785 INFO L112 eAbstractionObserver]: Analyzing ICFG safe001_tso.i [2024-05-06 09:52:28,792 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-06 09:52:28,800 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-06 09:52:28,801 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-06 09:52:28,801 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-06 09:52:28,842 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-06 09:52:28,880 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-06 09:52:28,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-06 09:52:28,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 09:52:28,884 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 09:52:28,902 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 09:52:28,927 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-06 09:52:28,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 09:52:28,941 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-06 09:52:28,946 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;@13b05e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-06 09:52:28,947 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-06 09:52:29,011 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 09:52:29,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 09:52:29,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1417150929, now seen corresponding path program 1 times [2024-05-06 09:52:29,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 09:52:29,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176889474] [2024-05-06 09:52:29,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:29,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 09:52:29,303 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 09:52:29,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 09:52:29,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176889474] [2024-05-06 09:52:29,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176889474] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 09:52:29,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 09:52:29,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-06 09:52:29,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879971512] [2024-05-06 09:52:29,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 09:52:29,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-06 09:52:29,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 09:52:29,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-06 09:52:29,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-06 09:52:29,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 09:52:29,338 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 09:52:29,339 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 09:52:29,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 09:52:29,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 09:52:29,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-06 09:52:29,383 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 09:52:29,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 09:52:29,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1576267092, now seen corresponding path program 1 times [2024-05-06 09:52:29,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 09:52:29,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316949540] [2024-05-06 09:52:29,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:29,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 09:52:30,033 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 09:52:30,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 09:52:30,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316949540] [2024-05-06 09:52:30,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316949540] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 09:52:30,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 09:52:30,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-06 09:52:30,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754965200] [2024-05-06 09:52:30,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 09:52:30,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-06 09:52:30,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 09:52:30,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-06 09:52:30,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-05-06 09:52:30,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 09:52:30,038 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 09:52:30,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 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 09:52:30,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 09:52:30,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 09:52:30,606 INFO L85 PathProgramCache]: Analyzing trace with hash -782514121, now seen corresponding path program 1 times [2024-05-06 09:52:30,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:30,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 09:52:30,927 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 09:52:30,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:30,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 09:52:31,118 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 09:52:31,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-06 09:52:31,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-05-06 09:52:31,467 INFO L85 PathProgramCache]: Analyzing trace with hash 264576160, now seen corresponding path program 1 times [2024-05-06 09:52:31,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:31,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:31,498 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:31,740 INFO L85 PathProgramCache]: Analyzing trace with hash 227249010, now seen corresponding path program 1 times [2024-05-06 09:52:31,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:31,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:31,753 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:31,936 INFO L85 PathProgramCache]: Analyzing trace with hash -160967937, now seen corresponding path program 1 times [2024-05-06 09:52:31,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:31,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:31,953 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:32,386 INFO L85 PathProgramCache]: Analyzing trace with hash 863951907, now seen corresponding path program 1 times [2024-05-06 09:52:32,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:32,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:32,405 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:32,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1357603899, now seen corresponding path program 1 times [2024-05-06 09:52:32,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:32,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:32,543 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:32,631 INFO L85 PathProgramCache]: Analyzing trace with hash -875077585, now seen corresponding path program 1 times [2024-05-06 09:52:32,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:32,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:32,645 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:32,736 INFO L85 PathProgramCache]: Analyzing trace with hash 248866356, now seen corresponding path program 1 times [2024-05-06 09:52:32,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:32,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:32,748 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:32,810 INFO L85 PathProgramCache]: Analyzing trace with hash -961803363, now seen corresponding path program 1 times [2024-05-06 09:52:32,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:32,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:32,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:32,889 INFO L85 PathProgramCache]: Analyzing trace with hash -31025906, now seen corresponding path program 1 times [2024-05-06 09:52:32,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:32,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:32,912 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:33,086 INFO L85 PathProgramCache]: Analyzing trace with hash -278095492, now seen corresponding path program 1 times [2024-05-06 09:52:33,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:33,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:33,098 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:33,157 INFO L85 PathProgramCache]: Analyzing trace with hash 406671229, now seen corresponding path program 1 times [2024-05-06 09:52:33,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:33,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:33,168 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:33,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1140747153, now seen corresponding path program 1 times [2024-05-06 09:52:33,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:33,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:33,514 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:33,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1268508063, now seen corresponding path program 1 times [2024-05-06 09:52:33,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:33,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:33,657 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:33,834 INFO L85 PathProgramCache]: Analyzing trace with hash -205759790, now seen corresponding path program 1 times [2024-05-06 09:52:33,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:33,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:33,845 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:33,937 INFO L85 PathProgramCache]: Analyzing trace with hash 686099254, now seen corresponding path program 1 times [2024-05-06 09:52:33,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:33,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:33,948 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:35,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1840030683, now seen corresponding path program 1 times [2024-05-06 09:52:35,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:35,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:35,069 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:35,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1971477442, now seen corresponding path program 1 times [2024-05-06 09:52:35,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:35,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:35,182 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:35,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1726164038, now seen corresponding path program 1 times [2024-05-06 09:52:35,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:35,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:35,287 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:35,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1302608782, now seen corresponding path program 1 times [2024-05-06 09:52:35,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:35,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:35,366 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:35,426 INFO L85 PathProgramCache]: Analyzing trace with hash 2120229621, now seen corresponding path program 1 times [2024-05-06 09:52:35,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:35,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:35,436 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:35,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1315320508, now seen corresponding path program 1 times [2024-05-06 09:52:35,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:35,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:35,504 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:35,600 INFO L85 PathProgramCache]: Analyzing trace with hash 319524367, now seen corresponding path program 1 times [2024-05-06 09:52:35,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:35,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:35,608 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:35,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1534327899, now seen corresponding path program 1 times [2024-05-06 09:52:35,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:35,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:35,738 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:35,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1335978818, now seen corresponding path program 1 times [2024-05-06 09:52:35,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:35,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:35,812 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:35,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1021619030, now seen corresponding path program 1 times [2024-05-06 09:52:35,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:35,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:35,925 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:36,012 INFO L85 PathProgramCache]: Analyzing trace with hash -521233870, now seen corresponding path program 1 times [2024-05-06 09:52:36,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:36,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:36,022 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:36,378 INFO L85 PathProgramCache]: Analyzing trace with hash 23342526, now seen corresponding path program 1 times [2024-05-06 09:52:36,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:36,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:36,387 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:36,451 INFO L85 PathProgramCache]: Analyzing trace with hash 416395348, now seen corresponding path program 1 times [2024-05-06 09:52:36,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:36,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:36,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:36,511 INFO L85 PathProgramCache]: Analyzing trace with hash -956396494, now seen corresponding path program 1 times [2024-05-06 09:52:36,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:36,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:36,519 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:36,569 INFO L85 PathProgramCache]: Analyzing trace with hash 938980037, now seen corresponding path program 1 times [2024-05-06 09:52:36,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:36,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:36,577 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:36,620 INFO L85 PathProgramCache]: Analyzing trace with hash -523899004, now seen corresponding path program 1 times [2024-05-06 09:52:36,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:36,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:36,629 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:36,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1125278165, now seen corresponding path program 1 times [2024-05-06 09:52:36,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:36,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:36,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:36,771 INFO L85 PathProgramCache]: Analyzing trace with hash -313393531, now seen corresponding path program 1 times [2024-05-06 09:52:36,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:36,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:36,780 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:36,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1257033572, now seen corresponding path program 1 times [2024-05-06 09:52:36,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:36,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:36,831 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 09:52:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 09:52:37,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 09:52:37,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 09:52:37,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable4,SelfDestructingSolverStorable18,SelfDestructingSolverStorable3,SelfDestructingSolverStorable19,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable32,SelfDestructingSolverStorable11,SelfDestructingSolverStorable33,SelfDestructingSolverStorable12,SelfDestructingSolverStorable34,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable35,SelfDestructingSolverStorable14,SelfDestructingSolverStorable36,SelfDestructingSolverStorable15,SelfDestructingSolverStorable37,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17,SelfDestructingSolverStorable20,SelfDestructingSolverStorable29,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-05-06 09:52:37,270 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 09:52:37,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 09:52:37,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1541108586, now seen corresponding path program 1 times [2024-05-06 09:52:37,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 09:52:37,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060320867] [2024-05-06 09:52:37,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:37,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 09:52:37,441 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 09:52:37,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 09:52:37,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060320867] [2024-05-06 09:52:37,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060320867] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 09:52:37,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 09:52:37,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-06 09:52:37,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424551438] [2024-05-06 09:52:37,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 09:52:37,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-06 09:52:37,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 09:52:37,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-06 09:52:37,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-05-06 09:52:37,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 09:52:37,443 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 09:52:37,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 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 09:52:37,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 09:52:37,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 09:52:37,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 09:52:38,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 09:52:38,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 09:52:38,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-06 09:52:38,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-05-06 09:52:38,365 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 09:52:38,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 09:52:38,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1328247906, now seen corresponding path program 2 times [2024-05-06 09:52:38,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 09:52:38,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260601229] [2024-05-06 09:52:38,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 09:52:38,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 09:52:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 09:52:38,507 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 09:52:38,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 09:52:38,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260601229] [2024-05-06 09:52:38,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260601229] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 09:52:38,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 09:52:38,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-06 09:52:38,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929147000] [2024-05-06 09:52:38,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 09:52:38,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-06 09:52:38,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 09:52:38,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-06 09:52:38,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-05-06 09:52:38,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 09:52:38,511 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 09:52:38,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 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 09:52:38,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 09:52:38,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 09:52:38,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-06 09:52:38,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 09:52:39,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 09:52:39,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 09:52:39,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-06 09:52:39,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 09:52:39,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-05-06 09:52:39,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-06 09:52:39,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-06 09:52:39,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-05-06 09:52:39,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-05-06 09:52:39,743 INFO L448 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-05-06 09:52:39,745 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-06 09:52:39,745 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-06 09:52:39,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 09:52:39 BasicIcfg [2024-05-06 09:52:39,754 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-06 09:52:39,754 INFO L158 Benchmark]: Toolchain (without parser) took 12049.41ms. Allocated memory was 320.9MB in the beginning and 498.1MB in the end (delta: 177.2MB). Free memory was 249.9MB in the beginning and 381.1MB in the end (delta: -131.2MB). Peak memory consumption was 47.4MB. Max. memory is 8.0GB. [2024-05-06 09:52:39,754 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 166.7MB. Free memory is still 137.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-06 09:52:39,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.88ms. Allocated memory is still 320.9MB. Free memory was 249.5MB in the beginning and 287.8MB in the end (delta: -38.3MB). Peak memory consumption was 26.4MB. Max. memory is 8.0GB. [2024-05-06 09:52:39,755 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.05ms. Allocated memory is still 320.9MB. Free memory was 287.8MB in the beginning and 285.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-06 09:52:39,755 INFO L158 Benchmark]: Boogie Preprocessor took 34.37ms. Allocated memory is still 320.9MB. Free memory was 285.7MB in the beginning and 284.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-06 09:52:39,755 INFO L158 Benchmark]: RCFGBuilder took 449.58ms. Allocated memory is still 320.9MB. Free memory was 284.2MB in the beginning and 270.0MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-05-06 09:52:39,756 INFO L158 Benchmark]: TraceAbstraction took 10974.12ms. Allocated memory was 320.9MB in the beginning and 498.1MB in the end (delta: 177.2MB). Free memory was 268.4MB in the beginning and 381.1MB in the end (delta: -112.7MB). Peak memory consumption was 65.0MB. Max. memory is 8.0GB. [2024-05-06 09:52:39,757 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 166.7MB. Free memory is still 137.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 521.88ms. Allocated memory is still 320.9MB. Free memory was 249.5MB in the beginning and 287.8MB in the end (delta: -38.3MB). Peak memory consumption was 26.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 63.05ms. Allocated memory is still 320.9MB. Free memory was 287.8MB in the beginning and 285.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.37ms. Allocated memory is still 320.9MB. Free memory was 285.7MB in the beginning and 284.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 449.58ms. Allocated memory is still 320.9MB. Free memory was 284.2MB in the beginning and 270.0MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 10974.12ms. Allocated memory was 320.9MB in the beginning and 498.1MB in the end (delta: 177.2MB). Free memory was 268.4MB in the beginning and 381.1MB in the end (delta: -112.7MB). Peak memory consumption was 65.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 175579, independent: 173131, independent conditional: 172956, independent unconditional: 175, dependent: 2448, dependent conditional: 2448, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 175484, independent: 173131, independent conditional: 172956, independent unconditional: 175, dependent: 2353, dependent conditional: 2353, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 175484, independent: 173131, independent conditional: 172956, independent unconditional: 175, dependent: 2353, dependent conditional: 2353, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 175484, independent: 173131, independent conditional: 172956, independent unconditional: 175, dependent: 2353, dependent conditional: 2353, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 181356, independent: 173131, independent conditional: 82644, independent unconditional: 90487, dependent: 8225, dependent conditional: 5873, dependent unconditional: 2352, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 181356, independent: 173131, independent conditional: 35297, independent unconditional: 137834, dependent: 8225, dependent conditional: 2032, dependent unconditional: 6193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 181356, independent: 173131, independent conditional: 35297, independent unconditional: 137834, dependent: 8225, dependent conditional: 2032, dependent unconditional: 6193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1071, independent: 1039, independent conditional: 188, independent unconditional: 851, dependent: 32, dependent conditional: 17, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1071, independent: 1022, independent conditional: 0, independent unconditional: 1022, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 49, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 32, dependent conditional: 17, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 32, dependent conditional: 17, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, independent: 22, independent conditional: 19, independent unconditional: 4, dependent: 71, dependent conditional: 53, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 181356, independent: 172092, independent conditional: 35109, independent unconditional: 136983, dependent: 8193, dependent conditional: 2015, dependent unconditional: 6178, unknown: 1071, unknown conditional: 205, unknown unconditional: 866] , Statistics on independence cache: Total cache size (in pairs): 1071, Positive cache size: 1039, Positive conditional cache size: 188, Positive unconditional cache size: 851, Negative cache size: 32, Negative conditional cache size: 17, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 51188, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 181356, independent: 173131, independent conditional: 82644, independent unconditional: 90487, dependent: 8225, dependent conditional: 5873, dependent unconditional: 2352, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 181356, independent: 173131, independent conditional: 35297, independent unconditional: 137834, dependent: 8225, dependent conditional: 2032, dependent unconditional: 6193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 181356, independent: 173131, independent conditional: 35297, independent unconditional: 137834, dependent: 8225, dependent conditional: 2032, dependent unconditional: 6193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1071, independent: 1039, independent conditional: 188, independent unconditional: 851, dependent: 32, dependent conditional: 17, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1071, independent: 1022, independent conditional: 0, independent unconditional: 1022, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 49, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 32, dependent conditional: 17, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 32, dependent conditional: 17, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, independent: 22, independent conditional: 19, independent unconditional: 4, dependent: 71, dependent conditional: 53, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 181356, independent: 172092, independent conditional: 35109, independent unconditional: 136983, dependent: 8193, dependent conditional: 2015, dependent unconditional: 6178, unknown: 1071, unknown conditional: 205, unknown unconditional: 866] , Statistics on independence cache: Total cache size (in pairs): 1071, Positive cache size: 1039, Positive conditional cache size: 188, Positive unconditional cache size: 851, Negative cache size: 32, Negative conditional cache size: 17, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 51188 ], Independence queries for same thread: 95 - PositiveResult [Line: 18]: 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 7 procedures, 117 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 10.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 9.5s, 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: 33, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 267 NumberOfCodeBlocks, 267 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 263 ConstructedInterpolants, 0 QuantifiedInterpolants, 1085 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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: 6.2s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 1, ConditionalCommutativityConditionCalculations: 81, ConditionalCommutativityTraceChecks: 35, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-06 09:52:39,779 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-05-06 09:52:39,984 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...