/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf --traceabstraction.dfs.order.used.in.por PSEUDO_LOCKSTEP --rcfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/twostage_3.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 12:57:33,801 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 12:57:33,891 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf [2023-11-17 12:57:33,897 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 12:57:33,897 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 12:57:33,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 12:57:33,927 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 12:57:33,928 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 12:57:33,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 12:57:33,933 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 12:57:33,934 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 12:57:33,934 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 12:57:33,934 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 12:57:33,935 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 12:57:33,936 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 12:57:33,936 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 12:57:33,936 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 12:57:33,936 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 12:57:33,937 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 12:57:33,937 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 12:57:33,937 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 12:57:33,937 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 12:57:33,937 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 12:57:33,939 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 12:57:33,939 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 12:57:33,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 12:57:33,940 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 12:57:33,940 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 12:57:33,940 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 12:57:33,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 12:57:33,941 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 12:57:33,941 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 12:57:33,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 12:57:33,942 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 12:57:33,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 12:57:33,942 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 12:57:33,942 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 12:57:33,942 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 12:57:33,942 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 12:57:33,943 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2023-11-17 12:57:33,943 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> PSEUDO_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> true [2023-11-17 12:57:34,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 12:57:34,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 12:57:34,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 12:57:34,234 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 12:57:34,234 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 12:57:34,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/twostage_3.i [2023-11-17 12:57:35,369 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 12:57:35,698 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 12:57:35,699 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/twostage_3.i [2023-11-17 12:57:35,722 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9a46d600/be0f11c481d44d72b6ae1dccc84af608/FLAGee9a8a1a2 [2023-11-17 12:57:35,740 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9a46d600/be0f11c481d44d72b6ae1dccc84af608 [2023-11-17 12:57:35,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 12:57:35,745 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 12:57:35,747 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 12:57:35,748 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 12:57:35,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 12:57:35,753 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:57:35" (1/1) ... [2023-11-17 12:57:35,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a24bf0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:57:35, skipping insertion in model container [2023-11-17 12:57:35,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:57:35" (1/1) ... [2023-11-17 12:57:35,824 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 12:57:36,343 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/twostage_3.i[59093,59106] [2023-11-17 12:57:36,388 WARN L1588 CHandler]: Possible shadowing of function lock [2023-11-17 12:57:36,393 WARN L1588 CHandler]: Possible shadowing of function lock [2023-11-17 12:57:36,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 12:57:36,407 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 12:57:36,449 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/twostage_3.i[59093,59106] [2023-11-17 12:57:36,459 WARN L1588 CHandler]: Possible shadowing of function lock [2023-11-17 12:57:36,460 WARN L1588 CHandler]: Possible shadowing of function lock [2023-11-17 12:57:36,461 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 12:57:36,537 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 12:57:36,544 INFO L206 MainTranslator]: Completed translation [2023-11-17 12:57:36,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:57:36 WrapperNode [2023-11-17 12:57:36,545 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 12:57:36,546 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 12:57:36,546 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 12:57:36,546 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 12:57:36,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:57:36" (1/1) ... [2023-11-17 12:57:36,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:57:36" (1/1) ... [2023-11-17 12:57:36,611 INFO L138 Inliner]: procedures = 375, calls = 69, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 191 [2023-11-17 12:57:36,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 12:57:36,617 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 12:57:36,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 12:57:36,617 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 12:57:36,625 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:57:36" (1/1) ... [2023-11-17 12:57:36,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:57:36" (1/1) ... [2023-11-17 12:57:36,629 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:57:36" (1/1) ... [2023-11-17 12:57:36,630 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:57:36" (1/1) ... [2023-11-17 12:57:36,644 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:57:36" (1/1) ... [2023-11-17 12:57:36,648 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:57:36" (1/1) ... [2023-11-17 12:57:36,650 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:57:36" (1/1) ... [2023-11-17 12:57:36,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:57:36" (1/1) ... [2023-11-17 12:57:36,656 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 12:57:36,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 12:57:36,673 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 12:57:36,673 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 12:57:36,674 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:57:36" (1/1) ... [2023-11-17 12:57:36,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 12:57:36,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 12:57:36,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-17 12:57:36,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-17 12:57:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure funcA [2023-11-17 12:57:36,752 INFO L138 BoogieDeclarations]: Found implementation of procedure funcA [2023-11-17 12:57:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure funcB [2023-11-17 12:57:36,754 INFO L138 BoogieDeclarations]: Found implementation of procedure funcB [2023-11-17 12:57:36,754 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2023-11-17 12:57:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 12:57:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-17 12:57:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 12:57:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-17 12:57:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 12:57:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 12:57:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-17 12:57:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 12:57:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 12:57:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 12:57:36,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 12:57:36,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 12:57:36,757 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 12:57:36,942 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 12:57:36,944 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 12:57:37,308 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 12:57:37,578 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 12:57:37,578 INFO L307 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-17 12:57:37,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 12:57:37 BoogieIcfgContainer [2023-11-17 12:57:37,580 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 12:57:37,582 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 12:57:37,582 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 12:57:37,586 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 12:57:37,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 12:57:35" (1/3) ... [2023-11-17 12:57:37,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d24a4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:57:37, skipping insertion in model container [2023-11-17 12:57:37,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:57:36" (2/3) ... [2023-11-17 12:57:37,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d24a4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:57:37, skipping insertion in model container [2023-11-17 12:57:37,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 12:57:37" (3/3) ... [2023-11-17 12:57:37,589 INFO L112 eAbstractionObserver]: Analyzing ICFG twostage_3.i [2023-11-17 12:57:37,599 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 12:57:37,608 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 12:57:37,608 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-17 12:57:37,608 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 12:57:37,653 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-17 12:57:37,689 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 12:57:37,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 12:57:37,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 12:57:37,693 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-17 12:57:37,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-17 12:57:37,738 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 12:57:37,749 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == funcBThread1of1ForFork1 ======== [2023-11-17 12:57:37,755 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;@641c38ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 12:57:37,755 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-17 12:57:37,888 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting funcBErr0ASSERT_VIOLATIONERROR_FUNCTION === [funcBErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 12:57:37,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 12:57:37,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1687103192, now seen corresponding path program 1 times [2023-11-17 12:57:37,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 12:57:37,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667159987] [2023-11-17 12:57:37,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 12:57:37,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 12:57:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 12:57:38,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 12:57:38,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 12:57:38,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667159987] [2023-11-17 12:57:38,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667159987] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 12:57:38,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 12:57:38,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 12:57:38,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659470663] [2023-11-17 12:57:38,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 12:57:38,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 12:57:38,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 12:57:38,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 12:57:38,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 12:57:38,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 12:57:38,156 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 12:57:38,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2023-11-17 12:57:38,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 12:57:38,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 12:57:38,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 12:57:38,215 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting funcBErr0ASSERT_VIOLATIONERROR_FUNCTION === [funcBErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 12:57:38,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 12:57:38,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1148071107, now seen corresponding path program 1 times [2023-11-17 12:57:38,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 12:57:38,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358714586] [2023-11-17 12:57:38,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 12:57:38,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 12:57:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 12:57:38,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 12:57:38,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 12:57:38,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358714586] [2023-11-17 12:57:38,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358714586] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 12:57:38,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 12:57:38,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 12:57:38,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013292045] [2023-11-17 12:57:38,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 12:57:38,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 12:57:38,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 12:57:38,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 12:57:38,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 12:57:38,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 12:57:38,367 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 12:57:38,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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) [2023-11-17 12:57:38,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 12:57:38,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 12:57:38,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 12:57:38,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 12:57:38,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 12:57:38,632 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting funcBErr0ASSERT_VIOLATIONERROR_FUNCTION === [funcBErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 12:57:38,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 12:57:38,633 INFO L85 PathProgramCache]: Analyzing trace with hash -331974145, now seen corresponding path program 1 times [2023-11-17 12:57:38,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 12:57:38,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346019344] [2023-11-17 12:57:38,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 12:57:38,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 12:57:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 12:57:38,844 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-17 12:57:38,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 12:57:38,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346019344] [2023-11-17 12:57:38,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346019344] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 12:57:38,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 12:57:38,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-17 12:57:38,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397179426] [2023-11-17 12:57:38,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 12:57:38,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-17 12:57:38,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 12:57:38,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-17 12:57:38,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-17 12:57:38,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 12:57:38,846 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 12:57:38,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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) [2023-11-17 12:57:38,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 12:57:38,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 12:57:38,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 12:57:39,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 12:57:39,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 12:57:39,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 12:57:39,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-17 12:57:39,031 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting funcBErr0ASSERT_VIOLATIONERROR_FUNCTION === [funcBErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 12:57:39,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 12:57:39,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1132473989, now seen corresponding path program 2 times [2023-11-17 12:57:39,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 12:57:39,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707621968] [2023-11-17 12:57:39,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 12:57:39,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 12:57:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-17 12:57:39,178 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-17 12:57:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-17 12:57:39,297 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-17 12:57:39,298 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-17 12:57:39,299 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location funcBErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-17 12:57:39,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-17 12:57:39,305 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2023-11-17 12:57:39,307 INFO L307 ceAbstractionStarter]: Result for error location funcBThread1of1ForFork1 was UNSAFE (1/2) [2023-11-17 12:57:39,310 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 12:57:39,310 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 12:57:39,355 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-17 12:57:39,356 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret58 could not be translated [2023-11-17 12:57:39,357 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem46 [2023-11-17 12:57:39,358 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret45 could not be translated [2023-11-17 12:57:39,358 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret57 could not be translated [2023-11-17 12:57:39,359 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-17 12:57:39,359 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem49 [2023-11-17 12:57:39,359 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-17 12:57:39,359 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem46 [2023-11-17 12:57:39,359 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret58 could not be translated [2023-11-17 12:57:39,360 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-17 12:57:39,360 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-17 12:57:39,360 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret45 could not be translated [2023-11-17 12:57:39,360 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret57 could not be translated [2023-11-17 12:57:39,360 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem49 [2023-11-17 12:57:39,361 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret45 could not be translated [2023-11-17 12:57:39,361 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem49 [2023-11-17 12:57:39,361 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre63 could not be translated [2023-11-17 12:57:39,361 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret57 could not be translated [2023-11-17 12:57:39,361 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-17 12:57:39,361 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-17 12:57:39,361 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret58 could not be translated [2023-11-17 12:57:39,361 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem46 [2023-11-17 12:57:39,362 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret65 could not be translated [2023-11-17 12:57:39,362 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret45 could not be translated [2023-11-17 12:57:39,362 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem46 [2023-11-17 12:57:39,362 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem49 [2023-11-17 12:57:39,362 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret58 could not be translated [2023-11-17 12:57:39,362 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret57 could not be translated [2023-11-17 12:57:39,363 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-17 12:57:39,363 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-17 12:57:39,363 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem46 [2023-11-17 12:57:39,363 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-17 12:57:39,363 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret58 could not be translated [2023-11-17 12:57:39,363 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-17 12:57:39,364 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret65 could not be translated [2023-11-17 12:57:39,364 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-17 12:57:39,364 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem49 [2023-11-17 12:57:39,364 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret57 could not be translated [2023-11-17 12:57:39,364 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret45 could not be translated [2023-11-17 12:57:39,364 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-17 12:57:39,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret57 could not be translated [2023-11-17 12:57:39,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret58 could not be translated [2023-11-17 12:57:39,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem49 [2023-11-17 12:57:39,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem46 [2023-11-17 12:57:39,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-17 12:57:39,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret65 could not be translated [2023-11-17 12:57:39,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret45 could not be translated [2023-11-17 12:57:39,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret65 could not be translated [2023-11-17 12:57:39,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-17 12:57:39,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret45 could not be translated [2023-11-17 12:57:39,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem46 [2023-11-17 12:57:39,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-17 12:57:39,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret58 could not be translated [2023-11-17 12:57:39,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-17 12:57:39,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret57 could not be translated [2023-11-17 12:57:39,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem49 [2023-11-17 12:57:39,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret57 could not be translated [2023-11-17 12:57:39,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem46 [2023-11-17 12:57:39,368 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem49 [2023-11-17 12:57:39,368 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre68 could not be translated [2023-11-17 12:57:39,368 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-17 12:57:39,368 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-17 12:57:39,368 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret65 could not be translated [2023-11-17 12:57:39,368 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret45 could not be translated [2023-11-17 12:57:39,368 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret58 could not be translated [2023-11-17 12:57:39,374 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret45 could not be translated [2023-11-17 12:57:39,374 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret58 could not be translated [2023-11-17 12:57:39,378 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret65 could not be translated [2023-11-17 12:57:39,379 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-17 12:57:39,379 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem46 [2023-11-17 12:57:39,379 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret57 could not be translated [2023-11-17 12:57:39,380 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-17 12:57:39,380 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret70 could not be translated [2023-11-17 12:57:39,380 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem49 [2023-11-17 12:57:39,382 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem49 [2023-11-17 12:57:39,382 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-17 12:57:39,382 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem46 [2023-11-17 12:57:39,383 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-17 12:57:39,383 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret70 could not be translated [2023-11-17 12:57:39,383 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret58 could not be translated [2023-11-17 12:57:39,383 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret65 could not be translated [2023-11-17 12:57:39,383 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret57 could not be translated [2023-11-17 12:57:39,383 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret45 could not be translated [2023-11-17 12:57:39,383 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-17 12:57:39,384 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet34 could not be translated [2023-11-17 12:57:39,388 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated [2023-11-17 12:57:39,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 12:57:39 BasicIcfg [2023-11-17 12:57:39,400 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 12:57:39,401 INFO L158 Benchmark]: Toolchain (without parser) took 3656.07ms. Allocated memory is still 284.2MB. Free memory was 234.1MB in the beginning and 134.9MB in the end (delta: 99.2MB). Peak memory consumption was 99.6MB. Max. memory is 8.0GB. [2023-11-17 12:57:39,401 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 182.5MB. Free memory is still 130.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 12:57:39,402 INFO L158 Benchmark]: CACSL2BoogieTranslator took 797.46ms. Allocated memory is still 284.2MB. Free memory was 233.7MB in the beginning and 192.5MB in the end (delta: 41.2MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. [2023-11-17 12:57:39,405 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.48ms. Allocated memory is still 284.2MB. Free memory was 192.5MB in the beginning and 189.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-11-17 12:57:39,409 INFO L158 Benchmark]: Boogie Preprocessor took 39.26ms. Allocated memory is still 284.2MB. Free memory was 189.4MB in the beginning and 187.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-17 12:57:39,409 INFO L158 Benchmark]: RCFGBuilder took 907.62ms. Allocated memory is still 284.2MB. Free memory was 187.3MB in the beginning and 178.9MB in the end (delta: 8.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-11-17 12:57:39,409 INFO L158 Benchmark]: TraceAbstraction took 1818.22ms. Allocated memory is still 284.2MB. Free memory was 178.4MB in the beginning and 134.9MB in the end (delta: 43.5MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. [2023-11-17 12:57:39,412 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 182.5MB. Free memory is still 130.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 797.46ms. Allocated memory is still 284.2MB. Free memory was 233.7MB in the beginning and 192.5MB in the end (delta: 41.2MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 70.48ms. Allocated memory is still 284.2MB. Free memory was 192.5MB in the beginning and 189.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.26ms. Allocated memory is still 284.2MB. Free memory was 189.4MB in the beginning and 187.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 907.62ms. Allocated memory is still 284.2MB. Free memory was 187.3MB in the beginning and 178.9MB in the end (delta: 8.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 1818.22ms. Allocated memory is still 284.2MB. Free memory was 178.4MB in the beginning and 134.9MB in the end (delta: 43.5MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem46 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem49 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem46 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem49 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem49 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem46 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem46 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem49 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem46 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem49 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem49 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem46 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem46 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem49 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem46 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem49 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem46 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem49 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem49 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem46 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2156, independent: 2064, independent conditional: 329, independent unconditional: 1735, dependent: 92, dependent conditional: 64, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2101, independent: 2064, independent conditional: 329, independent unconditional: 1735, dependent: 37, dependent conditional: 9, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2101, independent: 2064, independent conditional: 329, independent unconditional: 1735, dependent: 37, dependent conditional: 9, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2113, independent: 2064, independent conditional: 0, independent unconditional: 2064, dependent: 49, dependent conditional: 12, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2113, independent: 2064, independent conditional: 0, independent unconditional: 2064, dependent: 49, dependent conditional: 6, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2113, independent: 2064, independent conditional: 0, independent unconditional: 2064, dependent: 49, dependent conditional: 6, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1663, independent: 1632, independent conditional: 0, independent unconditional: 1632, dependent: 31, dependent conditional: 3, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1663, independent: 1604, independent conditional: 0, independent unconditional: 1604, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 59, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 31, dependent conditional: 3, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 31, dependent conditional: 3, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, independent: 83, independent conditional: 0, independent unconditional: 83, dependent: 76, dependent conditional: 7, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2113, independent: 432, independent conditional: 0, independent unconditional: 432, dependent: 18, dependent conditional: 3, dependent unconditional: 15, unknown: 1663, unknown conditional: 3, unknown unconditional: 1660] , Statistics on independence cache: Total cache size (in pairs): 1663, Positive cache size: 1632, Positive conditional cache size: 0, Positive unconditional cache size: 1632, Negative cache size: 31, Negative conditional cache size: 3, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6, Maximal queried relation: 2, Independence queries for same thread: 55 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 99, Number of trivial persistent sets: 25, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1763, independent: 1735, independent conditional: 0, independent unconditional: 1735, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2156, independent: 2064, independent conditional: 329, independent unconditional: 1735, dependent: 92, dependent conditional: 64, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2101, independent: 2064, independent conditional: 329, independent unconditional: 1735, dependent: 37, dependent conditional: 9, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2101, independent: 2064, independent conditional: 329, independent unconditional: 1735, dependent: 37, dependent conditional: 9, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2113, independent: 2064, independent conditional: 0, independent unconditional: 2064, dependent: 49, dependent conditional: 12, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2113, independent: 2064, independent conditional: 0, independent unconditional: 2064, dependent: 49, dependent conditional: 6, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2113, independent: 2064, independent conditional: 0, independent unconditional: 2064, dependent: 49, dependent conditional: 6, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1663, independent: 1632, independent conditional: 0, independent unconditional: 1632, dependent: 31, dependent conditional: 3, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1663, independent: 1604, independent conditional: 0, independent unconditional: 1604, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 59, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 31, dependent conditional: 3, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 31, dependent conditional: 3, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, independent: 83, independent conditional: 0, independent unconditional: 83, dependent: 76, dependent conditional: 7, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2113, independent: 432, independent conditional: 0, independent unconditional: 432, dependent: 18, dependent conditional: 3, dependent unconditional: 15, unknown: 1663, unknown conditional: 3, unknown unconditional: 1660] , Statistics on independence cache: Total cache size (in pairs): 1663, Positive cache size: 1632, Positive conditional cache size: 0, Positive unconditional cache size: 1632, Negative cache size: 31, Negative conditional cache size: 3, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6, Maximal queried relation: 2, Independence queries for same thread: 55 - UnprovableResult [Line: 1272]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of sscanf at line 1284. Possible FailurePath: [L1236] 0 static int iTThreads = 2; [L1237] 0 static int iRThreads = 1; [L1238] 0 static int data1Value = 0; [L1239] 0 static int data2Value = 0; [L1240] 0 pthread_mutex_t *data1Lock; [L1241] 0 pthread_mutex_t *data2Lock; [L1278] 0 int i,err; [L1279] COND TRUE 0 argc != 1 [L1280] COND FALSE 0 !(argc != 3) [L1284] 0 argv[1] [L1285] 0 argv[2] [L1288] EXPR 0 \read(iTThreads) [L1288] 0 iTThreads > 100000 || iRThreads > 100000 [L1288] EXPR 0 \read(iRThreads) [L1288] 0 iTThreads > 100000 || iRThreads > 100000 [L1288] COND FALSE 0 !(iTThreads > 100000 || iRThreads > 100000) [L1291] 0 data1Lock = (pthread_mutex_t *) malloc(sizeof(pthread_mutex_t)) [L1292] 0 data2Lock = (pthread_mutex_t *) malloc(sizeof(pthread_mutex_t)) [L1293] EXPR 0 err = pthread_mutex_init(data1Lock, ((void *)0)) [L1293] COND FALSE 0 !(0 != (err = pthread_mutex_init(data1Lock, ((void *)0)))) [L1297] EXPR 0 err = pthread_mutex_init(data2Lock, ((void *)0)) [L1297] COND FALSE 0 !(0 != (err = pthread_mutex_init(data2Lock, ((void *)0)))) [L1301] EXPR 0 \read(iTThreads) [L1301] 0 pthread_t tPool[iTThreads]; [L1302] EXPR 0 \read(iRThreads) [L1302] 0 pthread_t rPool[iRThreads]; [L1303] 0 i = 0 VAL [\old(argc)=3, argc=3, argv={59:62}, argv={59:62}, data1Lock={16:0}, data1Value=0, data2Lock={15:0}, data2Value=0, err=0, i=0, iRThreads={14:0}, iTThreads={13:0}, rPool={33:0}, tPool={34:0}] [L1303] EXPR 0 \read(iTThreads) VAL [\old(argc)=3, argc=3, argv={59:62}, argv={59:62}, data1Lock={16:0}, data1Value=0, data2Lock={15:0}, data2Value=0, err=0, i=0, iRThreads={14:0}, iTThreads={13:0}, rPool={33:0}, tPool={34:0}] [L1303] COND TRUE 0 i < iTThreads [L1304] EXPR, FCALL, FORK 0 pthread_create(&tPool[i], ((void *)0), &funcA, ((void *)0)) VAL [\old(argc)=3, argc=3, argv={59:62}, argv={59:62}, data1Lock={16:0}, data1Value=0, data2Lock={15:0}, data2Value=0, err=0, i=0, iRThreads={14:0}, iTThreads={13:0}, param={0:0}, rPool={33:0}, tPool={34:0}] [L1304] EXPR 0 err = pthread_create(&tPool[i], ((void *)0), &funcA, ((void *)0)) [L1304] COND FALSE 0 !(0 != (err = pthread_create(&tPool[i], ((void *)0), &funcA, ((void *)0)))) [L1303] 0 i++ VAL [\old(argc)=3, argc=3, argv={59:62}, argv={59:62}, data1Lock={16:0}, data1Value=0, data2Lock={15:0}, data2Value=0, err=0, i=1, iRThreads={14:0}, iTThreads={13:0}, param={0:0}, rPool={33:0}, tPool={34:0}] [L1303] EXPR 0 \read(iTThreads) VAL [\old(argc)=3, argc=3, argv={59:62}, argv={59:62}, data1Lock={16:0}, data1Value=0, data2Lock={15:0}, data2Value=0, err=0, i=1, iRThreads={14:0}, iTThreads={13:0}, param={0:0}, rPool={33:0}, tPool={34:0}] [L1303] COND FALSE 0 !(i < iTThreads) [L1309] 0 i = 0 VAL [\old(argc)=3, argc=3, argv={59:62}, argv={59:62}, data1Lock={16:0}, data1Value=0, data2Lock={15:0}, data2Value=0, err=0, i=0, iRThreads={14:0}, iTThreads={13:0}, param={0:0}, rPool={33:0}, tPool={34:0}] [L1309] EXPR 0 \read(iRThreads) VAL [\old(argc)=3, argc=3, argv={59:62}, argv={59:62}, data1Lock={16:0}, data1Value=0, data2Lock={15:0}, data2Value=0, err=0, i=0, iRThreads={14:0}, iTThreads={13:0}, param={0:0}, rPool={33:0}, tPool={34:0}] [L1309] COND TRUE 0 i < iRThreads [L1310] EXPR, FCALL, FORK 0 pthread_create(&rPool[i], ((void *)0), &funcB, ((void *)0)) VAL [\old(argc)=3, argc=3, argv={59:62}, argv={59:62}, data1Lock={16:0}, data1Value=0, data2Lock={15:0}, data2Value=0, err=0, i=0, iRThreads={14:0}, iTThreads={13:0}, param={0:0}, param={0:0}, rPool={33:0}, tPool={34:0}] [L1258] 2 int t1 = -1; [L1259] 2 int t2 = -1; VAL [data1Lock={16:0}, data1Value=0, data2Lock={15:0}, data2Value=0, iRThreads={14:0}, iTThreads={13:0}, param={0:0}, param={0:0}, param={0:0}, t1=-1, t2=-1] [L1310] EXPR 0 err = pthread_create(&rPool[i], ((void *)0), &funcB, ((void *)0)) [L1310] COND FALSE 0 !(0 != (err = pthread_create(&rPool[i], ((void *)0), &funcB, ((void *)0)))) [L1309] 0 i++ VAL [\old(argc)=3, argc=3, argv={59:62}, argv={59:62}, data1Lock={16:0}, data1Value=0, data2Lock={15:0}, data2Value=0, err=0, i=1, iRThreads={14:0}, iTThreads={13:0}, param={0:0}, param={0:0}, param={0:0}, rPool={33:0}, t1=-1, t2=-1, tPool={34:0}] [L1245] 1 int t1 = -1; VAL [data1Lock={16:0}, data1Value=0, data2Lock={15:0}, data2Value=0, iRThreads={14:0}, iTThreads={13:0}, param={0:0}, param={0:0}, param={0:0}, param={0:0}, t1=-1, t1=-1, t2=-1] [L1309] EXPR 0 \read(iRThreads) VAL [\old(argc)=3, argc=3, argv={59:62}, argv={59:62}, data1Lock={16:0}, data1Value=0, data2Lock={15:0}, data2Value=0, err=0, i=1, iRThreads={14:0}, iTThreads={13:0}, param={0:0}, param={0:0}, param={0:0}, param={0:0}, rPool={33:0}, t1=-1, t1=-1, t2=-1, tPool={34:0}] [L1309] COND FALSE 0 !(i < iRThreads) [L1247] 1 data1Value = 1 VAL [data1Lock={16:0}, data1Value=1, data2Lock={15:0}, data2Value=0, iRThreads={14:0}, iTThreads={13:0}, param={0:0}, param={0:0}, param={0:0}, param={0:0}, t1=-1, t1=-1, t2=-1] [L1261] COND FALSE 2 !(data1Value == 0) [L1265] 2 t1 = data1Value VAL [data1Lock={16:0}, data1Value=1, data2Lock={15:0}, data2Value=0, iRThreads={14:0}, iTThreads={13:0}, param={0:0}, param={0:0}, param={0:0}, param={0:0}, t1=-1, t1=1, t2=-1] [L1268] 2 t2 = data2Value VAL [data1Lock={16:0}, data1Value=1, data2Lock={15:0}, data2Value=0, iRThreads={14:0}, iTThreads={13:0}, param={0:0}, param={0:0}, param={0:0}, param={0:0}, t1=-1, t1=1, t2=0] [L1250] 1 t1 = data1Value VAL [data1Lock={16:0}, data1Value=1, data2Lock={15:0}, data2Value=0, iRThreads={14:0}, iTThreads={13:0}, param={0:0}, param={0:0}, param={0:0}, param={0:0}, t1=1, t1=1, t2=0] [L1270] COND TRUE 2 t2 != (t1 + 1) [L1272] 2 reach_error() VAL [data1Lock={16:0}, data1Value=1, data2Lock={15:0}, data2Value=0, iRThreads={14:0}, iTThreads={13:0}, param={0:0}, param={0:0}, param={0:0}, param={0:0}, t1=1, t1=1, t2=0] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: funcBThread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 88 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.6s, 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: 10, 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, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 109 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 4/4 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: unable to determine feasibility of some traces [2023-11-17 12:57:39,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-11-17 12:57:39,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...