/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 SLEEP_SET --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 2 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 08:27:37,181 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 08:27:37,233 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 08:27:37,240 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 08:27:37,241 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 08:27:37,270 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 08:27:37,271 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 08:27:37,271 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 08:27:37,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 08:27:37,272 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 08:27:37,272 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 08:27:37,272 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 08:27:37,273 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 08:27:37,273 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 08:27:37,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 08:27:37,273 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 08:27:37,274 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 08:27:37,274 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 08:27:37,274 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 08:27:37,274 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 08:27:37,275 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 08:27:37,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 08:27:37,278 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 08:27:37,278 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 08:27:37,281 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 08:27:37,281 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 08:27:37,282 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 08:27:37,282 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 08:27:37,283 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 08:27:37,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 08:27:37,284 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 08:27:37,284 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 08:27:37,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 08:27:37,284 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 08:27:37,284 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 08:27:37,284 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 08:27:37,285 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 08:27:37,285 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 08:27:37,285 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 08:27:37,285 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 2 [2024-04-04 08:27:37,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 08:27:37,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 08:27:37,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 08:27:37,545 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 08:27:37,546 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 08:27:37,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2024-04-04 08:27:38,627 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 08:27:38,815 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 08:27:38,815 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2024-04-04 08:27:38,828 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ef625bfc7/0e0b6c50066e4b15bf022fc53d045658/FLAG0c0b02934 [2024-04-04 08:27:38,838 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ef625bfc7/0e0b6c50066e4b15bf022fc53d045658 [2024-04-04 08:27:38,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 08:27:38,840 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 08:27:38,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 08:27:38,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 08:27:38,845 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 08:27:38,845 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 08:27:38" (1/1) ... [2024-04-04 08:27:38,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d0332ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:27:38, skipping insertion in model container [2024-04-04 08:27:38,846 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 08:27:38" (1/1) ... [2024-04-04 08:27:38,875 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 08:27:39,033 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i[1115,1128] [2024-04-04 08:27:39,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 08:27:39,180 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 08:27:39,191 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_68-pfscan_protected_loop_minimal_interval_true.i[1115,1128] [2024-04-04 08:27:39,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 08:27:39,265 INFO L206 MainTranslator]: Completed translation [2024-04-04 08:27:39,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:27:39 WrapperNode [2024-04-04 08:27:39,265 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 08:27:39,266 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 08:27:39,266 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 08:27:39,266 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 08:27:39,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:27:39" (1/1) ... [2024-04-04 08:27:39,282 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:27:39" (1/1) ... [2024-04-04 08:27:39,299 INFO L138 Inliner]: procedures = 166, calls = 38, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 125 [2024-04-04 08:27:39,299 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 08:27:39,300 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 08:27:39,300 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 08:27:39,300 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 08:27:39,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:27:39" (1/1) ... [2024-04-04 08:27:39,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:27:39" (1/1) ... [2024-04-04 08:27:39,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:27:39" (1/1) ... [2024-04-04 08:27:39,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:27:39" (1/1) ... [2024-04-04 08:27:39,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:27:39" (1/1) ... [2024-04-04 08:27:39,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:27:39" (1/1) ... [2024-04-04 08:27:39,334 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:27:39" (1/1) ... [2024-04-04 08:27:39,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:27:39" (1/1) ... [2024-04-04 08:27:39,371 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 08:27:39,372 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 08:27:39,372 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 08:27:39,372 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 08:27:39,373 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:27:39" (1/1) ... [2024-04-04 08:27:39,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 08:27:39,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:27:39,409 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-04 08:27:39,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-04 08:27:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 08:27:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2024-04-04 08:27:39,455 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2024-04-04 08:27:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 08:27:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-04-04 08:27:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 08:27:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 08:27:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 08:27:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 08:27:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-04-04 08:27:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 08:27:39,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 08:27:39,458 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 08:27:39,581 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 08:27:39,584 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 08:27:39,785 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 08:27:39,802 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 08:27:39,802 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-04-04 08:27:39,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 08:27:39 BoogieIcfgContainer [2024-04-04 08:27:39,804 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 08:27:39,805 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 08:27:39,805 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 08:27:39,808 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 08:27:39,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 08:27:38" (1/3) ... [2024-04-04 08:27:39,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a0f8d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 08:27:39, skipping insertion in model container [2024-04-04 08:27:39,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:27:39" (2/3) ... [2024-04-04 08:27:39,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a0f8d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 08:27:39, skipping insertion in model container [2024-04-04 08:27:39,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 08:27:39" (3/3) ... [2024-04-04 08:27:39,809 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_68-pfscan_protected_loop_minimal_interval_true.i [2024-04-04 08:27:39,815 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 08:27:39,822 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 08:27:39,822 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-04-04 08:27:39,822 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 08:27:39,877 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-04-04 08:27:39,907 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 08:27:39,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 08:27:39,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:27:39,912 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 08:27:39,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-04 08:27:39,959 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 08:27:39,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:27:39,973 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 08:27:39,984 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;@55665819, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=2, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-04 08:27:39,985 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-04-04 08:27:40,086 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting workerErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-04-04 08:27:40,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:27:40,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1855514069, now seen corresponding path program 1 times [2024-04-04 08:27:40,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:27:40,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430137485] [2024-04-04 08:27:40,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:27:40,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:27:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:27:40,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 08:27:40,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:27:40,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430137485] [2024-04-04 08:27:40,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430137485] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 08:27:40,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 08:27:40,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-04 08:27:40,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931768465] [2024-04-04 08:27:40,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 08:27:40,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-04 08:27:40,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:27:40,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-04 08:27:40,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-04-04 08:27:40,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:27:40,640 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:27:40,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 08:27:40,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:27:40,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 08:27:40,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 08:27:40,795 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-04-04 08:27:40,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:27:40,796 INFO L85 PathProgramCache]: Analyzing trace with hash 162488770, now seen corresponding path program 1 times [2024-04-04 08:27:40,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:27:40,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467363945] [2024-04-04 08:27:40,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:27:40,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:27:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:27:41,808 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 08:27:41,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:27:41,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467363945] [2024-04-04 08:27:41,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467363945] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 08:27:41,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787795677] [2024-04-04 08:27:41,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:27:41,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 08:27:41,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:27:41,863 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 08:27:41,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-04 08:27:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:27:41,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 40 conjunts are in the unsatisfiable core [2024-04-04 08:27:41,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 08:27:42,758 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 0 case distinctions, treesize of input 36 treesize of output 13 [2024-04-04 08:27:43,022 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 0 case distinctions, treesize of input 36 treesize of output 13 [2024-04-04 08:27:43,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-04-04 08:27:43,156 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 08:27:43,156 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 08:27:43,690 INFO L349 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2024-04-04 08:27:43,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 32 [2024-04-04 08:27:43,774 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 08:27:43,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787795677] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 08:27:43,775 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 08:27:43,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 17] total 43 [2024-04-04 08:27:43,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212126409] [2024-04-04 08:27:43,776 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 08:27:43,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-04-04 08:27:43,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:27:43,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-04-04 08:27:43,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=1584, Unknown=0, NotChecked=0, Total=1806 [2024-04-04 08:27:43,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:27:43,779 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:27:43,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 7.186046511627907) internal successors, (309), 43 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 08:27:43,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 08:27:43,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:27:46,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 08:27:46,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-04-04 08:27:46,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-04 08:27:47,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-04-04 08:27:47,185 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting workerErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-04-04 08:27:47,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:27:47,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1389714643, now seen corresponding path program 1 times [2024-04-04 08:27:47,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:27:47,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605213962] [2024-04-04 08:27:47,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:27:47,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:27:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:27:47,870 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-04-04 08:27:47,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:27:47,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605213962] [2024-04-04 08:27:47,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605213962] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 08:27:47,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 08:27:47,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-04-04 08:27:47,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026501590] [2024-04-04 08:27:47,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 08:27:47,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-04 08:27:47,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:27:47,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-04 08:27:47,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2024-04-04 08:27:47,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:27:47,877 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:27:47,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 9.0) internal successors, (144), 16 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 08:27:47,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 08:27:47,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-04-04 08:27:47,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:27:49,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 08:27:49,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-04-04 08:27:49,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 08:27:49,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-04 08:27:49,059 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, workerErr1ASSERT_VIOLATIONERROR_FUNCTION, workerErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-04-04 08:27:49,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:27:49,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1966085684, now seen corresponding path program 2 times [2024-04-04 08:27:49,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:27:49,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760282304] [2024-04-04 08:27:49,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:27:49,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:27:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:27:51,639 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 283 proven. 119 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-04-04 08:27:51,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:27:51,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760282304] [2024-04-04 08:27:51,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760282304] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 08:27:51,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452455752] [2024-04-04 08:27:51,640 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 08:27:51,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 08:27:51,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:27:51,641 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 08:27:51,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 08:27:51,790 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 08:27:51,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 08:27:51,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 100 conjunts are in the unsatisfiable core [2024-04-04 08:27:51,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 08:27:52,368 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 0 case distinctions, treesize of input 36 treesize of output 13 [2024-04-04 08:27:52,638 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 0 case distinctions, treesize of input 36 treesize of output 13 [2024-04-04 08:27:53,123 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 0 case distinctions, treesize of input 36 treesize of output 13 [2024-04-04 08:27:53,531 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 0 case distinctions, treesize of input 36 treesize of output 13 [2024-04-04 08:27:53,754 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 0 case distinctions, treesize of input 36 treesize of output 13 [2024-04-04 08:27:54,126 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 0 case distinctions, treesize of input 36 treesize of output 13 [2024-04-04 08:27:54,390 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 0 case distinctions, treesize of input 36 treesize of output 13 [2024-04-04 08:27:54,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-04-04 08:27:54,531 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 293 proven. 108 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-04-04 08:27:54,531 INFO L327 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2024-04-04 08:42:20,549 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 08:42:20,549 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 08:42:20,594 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 08:42:21,589 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 [2024-04-04 08:42:21,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-04 08:42:21,795 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-04-04 08:42:21,866 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location workerErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-04-04 08:42:21,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-04 08:42:21,867 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 305 with TraceHistMax 6,while TraceCheckSpWp was constructing backward predicates,while executing Executor. [2024-04-04 08:42:21,868 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2024-04-04 08:42:21,868 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location workerErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2024-04-04 08:42:21,868 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location workerErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2024-04-04 08:42:21,868 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location workerErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2024-04-04 08:42:21,873 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2024-04-04 08:42:21,876 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 08:42:21,876 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 08:42:21,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 08:42:21 BasicIcfg [2024-04-04 08:42:21,878 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 08:42:21,878 INFO L158 Benchmark]: Toolchain (without parser) took 883037.90ms. Allocated memory was 313.5MB in the beginning and 737.1MB in the end (delta: 423.6MB). Free memory was 242.5MB in the beginning and 406.4MB in the end (delta: -163.8MB). Peak memory consumption was 260.5MB. Max. memory is 8.0GB. [2024-04-04 08:42:21,878 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 313.5MB. Free memory is still 277.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 08:42:21,879 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.27ms. Allocated memory is still 313.5MB. Free memory was 242.3MB in the beginning and 222.0MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-04-04 08:42:21,879 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.30ms. Allocated memory is still 313.5MB. Free memory was 222.0MB in the beginning and 219.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 08:42:21,879 INFO L158 Benchmark]: Boogie Preprocessor took 71.62ms. Allocated memory is still 313.5MB. Free memory was 219.7MB in the beginning and 283.3MB in the end (delta: -63.6MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2024-04-04 08:42:21,879 INFO L158 Benchmark]: RCFGBuilder took 431.73ms. Allocated memory is still 313.5MB. Free memory was 283.3MB in the beginning and 264.8MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2024-04-04 08:42:21,879 INFO L158 Benchmark]: TraceAbstraction took 882072.60ms. Allocated memory was 313.5MB in the beginning and 737.1MB in the end (delta: 423.6MB). Free memory was 263.7MB in the beginning and 406.4MB in the end (delta: -142.6MB). Peak memory consumption was 280.5MB. Max. memory is 8.0GB. [2024-04-04 08:42:21,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 [2024-04-04 08:42:21,886 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 313.5MB. Free memory is still 277.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 424.27ms. Allocated memory is still 313.5MB. Free memory was 242.3MB in the beginning and 222.0MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.30ms. Allocated memory is still 313.5MB. Free memory was 222.0MB in the beginning and 219.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 71.62ms. Allocated memory is still 313.5MB. Free memory was 219.7MB in the beginning and 283.3MB in the end (delta: -63.6MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * RCFGBuilder took 431.73ms. Allocated memory is still 313.5MB. Free memory was 283.3MB in the beginning and 264.8MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 882072.60ms. Allocated memory was 313.5MB in the beginning and 737.1MB in the end (delta: 423.6MB). Free memory was 263.7MB in the beginning and 406.4MB in the end (delta: -142.6MB). Peak memory consumption was 280.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5037, independent: 3944, independent conditional: 3721, independent unconditional: 223, dependent: 1093, dependent conditional: 978, dependent unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3974, independent: 3944, independent conditional: 3721, independent unconditional: 223, dependent: 30, dependent conditional: 28, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3974, independent: 3944, independent conditional: 3721, independent unconditional: 223, dependent: 30, dependent conditional: 28, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3974, independent: 3944, independent conditional: 3721, independent unconditional: 223, dependent: 30, dependent conditional: 28, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4034, independent: 3944, independent conditional: 683, independent unconditional: 3261, dependent: 90, dependent conditional: 42, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4034, independent: 3944, independent conditional: 376, independent unconditional: 3568, dependent: 90, dependent conditional: 40, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4034, independent: 3944, independent conditional: 376, independent unconditional: 3568, dependent: 90, dependent conditional: 40, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 617, independent: 605, independent conditional: 18, independent unconditional: 587, dependent: 12, dependent conditional: 9, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 617, independent: 605, independent conditional: 0, independent unconditional: 605, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 12, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 12, dependent conditional: 9, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 12, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 12, dependent conditional: 9, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 46, dependent conditional: 19, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4034, independent: 3339, independent conditional: 358, independent unconditional: 2981, dependent: 78, dependent conditional: 31, dependent unconditional: 47, unknown: 617, unknown conditional: 27, unknown unconditional: 590] , Statistics on independence cache: Total cache size (in pairs): 617, Positive cache size: 605, Positive conditional cache size: 18, Positive unconditional cache size: 587, Negative cache size: 12, Negative conditional cache size: 9, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 309, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4034, independent: 3944, independent conditional: 683, independent unconditional: 3261, dependent: 90, dependent conditional: 42, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4034, independent: 3944, independent conditional: 376, independent unconditional: 3568, dependent: 90, dependent conditional: 40, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4034, independent: 3944, independent conditional: 376, independent unconditional: 3568, dependent: 90, dependent conditional: 40, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 617, independent: 605, independent conditional: 18, independent unconditional: 587, dependent: 12, dependent conditional: 9, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 617, independent: 605, independent conditional: 0, independent unconditional: 605, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 12, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 12, dependent conditional: 9, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 12, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 12, dependent conditional: 9, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 46, dependent conditional: 19, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4034, independent: 3339, independent conditional: 358, independent unconditional: 2981, dependent: 78, dependent conditional: 31, dependent unconditional: 47, unknown: 617, unknown conditional: 27, unknown unconditional: 590] , Statistics on independence cache: Total cache size (in pairs): 617, Positive cache size: 605, Positive conditional cache size: 18, Positive unconditional cache size: 587, Negative cache size: 12, Negative conditional cache size: 9, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 309 ], Independence queries for same thread: 1063 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 305 with TraceHistMax 6,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - TimeoutResultAtElement [Line: 748]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 305 with TraceHistMax 6,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 305 with TraceHistMax 6,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 192 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 881.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 4.6s, 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: 122, 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, 3.8s InterpolantComputationTime, 630 NumberOfCodeBlocks, 630 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 769 ConstructedInterpolants, 25 QuantifiedInterpolants, 4636 SizeOfPredicates, 21 NumberOfNonLiveVariables, 328 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 334/433 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown