/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/reorder_2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 12:53:01,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 12:53:01,784 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf [2023-11-17 12:53:01,789 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 12:53:01,789 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 12:53:01,817 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 12:53:01,818 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 12:53:01,818 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 12:53:01,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 12:53:01,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 12:53:01,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 12:53:01,824 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 12:53:01,824 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 12:53:01,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 12:53:01,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 12:53:01,826 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 12:53:01,826 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 12:53:01,827 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 12:53:01,827 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 12:53:01,827 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 12:53:01,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 12:53:01,828 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 12:53:01,829 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 12:53:01,829 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 12:53:01,829 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 12:53:01,830 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 12:53:01,830 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 12:53:01,830 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 12:53:01,831 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 12:53:01,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 12:53:01,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 12:53:01,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 12:53:01,832 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 12:53:01,832 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 12:53:01,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 12:53:01,833 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 12:53:01,833 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 12:53:01,833 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 12:53:01,833 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 12:53:01,833 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2023-11-17 12:53:01,834 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> PSEUDO_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> true [2023-11-17 12:53:02,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 12:53:02,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 12:53:02,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 12:53:02,092 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 12:53:02,096 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 12:53:02,098 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/reorder_2.i [2023-11-17 12:53:03,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 12:53:03,480 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 12:53:03,481 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/reorder_2.i [2023-11-17 12:53:03,504 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aa96fa18/17012f3bbaf144c5a3eb9006a225b561/FLAG2c7b3512c [2023-11-17 12:53:03,516 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aa96fa18/17012f3bbaf144c5a3eb9006a225b561 [2023-11-17 12:53:03,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 12:53:03,519 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 12:53:03,520 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 12:53:03,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 12:53:03,527 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 12:53:03,527 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:53:03" (1/1) ... [2023-11-17 12:53:03,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@372fe1f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:53:03, skipping insertion in model container [2023-11-17 12:53:03,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:53:03" (1/1) ... [2023-11-17 12:53:03,584 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 12:53:04,088 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/reorder_2.i[60219,60232] [2023-11-17 12:53:04,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 12:53:04,099 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 12:53:04,153 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/reorder_2.i[60219,60232] [2023-11-17 12:53:04,153 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 12:53:04,246 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 12:53:04,246 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 12:53:04,246 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 12:53:04,253 INFO L206 MainTranslator]: Completed translation [2023-11-17 12:53:04,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:53:04 WrapperNode [2023-11-17 12:53:04,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 12:53:04,255 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 12:53:04,255 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 12:53:04,255 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 12:53:04,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:53:04" (1/1) ... [2023-11-17 12:53:04,291 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:53:04" (1/1) ... [2023-11-17 12:53:04,329 INFO L138 Inliner]: procedures = 374, calls = 54, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 165 [2023-11-17 12:53:04,330 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 12:53:04,331 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 12:53:04,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 12:53:04,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 12:53:04,339 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:53:04" (1/1) ... [2023-11-17 12:53:04,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:53:04" (1/1) ... [2023-11-17 12:53:04,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:53:04" (1/1) ... [2023-11-17 12:53:04,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:53:04" (1/1) ... [2023-11-17 12:53:04,364 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:53:04" (1/1) ... [2023-11-17 12:53:04,367 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:53:04" (1/1) ... [2023-11-17 12:53:04,369 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:53:04" (1/1) ... [2023-11-17 12:53:04,370 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:53:04" (1/1) ... [2023-11-17 12:53:04,378 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 12:53:04,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 12:53:04,379 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 12:53:04,379 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 12:53:04,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:53:04" (1/1) ... [2023-11-17 12:53:04,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 12:53:04,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 12:53:04,410 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 12:53:04,440 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 12:53:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2023-11-17 12:53:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 12:53:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 12:53:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-17 12:53:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 12:53:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 12:53:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 12:53:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2023-11-17 12:53:04,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2023-11-17 12:53:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 12:53:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 12:53:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2023-11-17 12:53:04,451 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2023-11-17 12:53:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 12:53:04,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 12:53:04,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 12:53:04,453 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 12:53:04,587 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 12:53:04,589 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 12:53:04,887 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 12:53:05,169 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 12:53:05,169 INFO L307 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-17 12:53:05,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 12:53:05 BoogieIcfgContainer [2023-11-17 12:53:05,171 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 12:53:05,174 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 12:53:05,174 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 12:53:05,177 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 12:53:05,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 12:53:03" (1/3) ... [2023-11-17 12:53:05,179 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1184e0bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:53:05, skipping insertion in model container [2023-11-17 12:53:05,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:53:04" (2/3) ... [2023-11-17 12:53:05,180 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1184e0bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:53:05, skipping insertion in model container [2023-11-17 12:53:05,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 12:53:05" (3/3) ... [2023-11-17 12:53:05,182 INFO L112 eAbstractionObserver]: Analyzing ICFG reorder_2.i [2023-11-17 12:53:05,189 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 12:53:05,199 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 12:53:05,199 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-17 12:53:05,199 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 12:53:05,253 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-17 12:53:05,297 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 12:53:05,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 12:53:05,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 12:53:05,303 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 12:53:05,318 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 12:53:05,349 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 12:53:05,359 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == checkThreadThread1of1ForFork0 ======== [2023-11-17 12:53:05,365 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;@40d92fcd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 12:53:05,365 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-17 12:53:05,435 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION === [checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 12:53:05,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 12:53:05,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1753783032, now seen corresponding path program 1 times [2023-11-17 12:53:05,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 12:53:05,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194185541] [2023-11-17 12:53:05,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 12:53:05,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 12:53:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 12:53:05,664 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 12:53:05,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 12:53:05,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194185541] [2023-11-17 12:53:05,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194185541] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 12:53:05,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 12:53:05,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 12:53:05,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275964162] [2023-11-17 12:53:05,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 12:53:05,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 12:53:05,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 12:53:05,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 12:53:05,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 12:53:05,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 12:53:05,700 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 12:53:05,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 12:53:05,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 12:53:05,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 12:53:05,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 12:53:05,733 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION === [checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 12:53:05,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 12:53:05,734 INFO L85 PathProgramCache]: Analyzing trace with hash 270544232, now seen corresponding path program 1 times [2023-11-17 12:53:05,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 12:53:05,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106361599] [2023-11-17 12:53:05,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 12:53:05,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 12:53:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 12:53:06,028 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 12:53:06,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 12:53:06,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106361599] [2023-11-17 12:53:06,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106361599] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 12:53:06,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 12:53:06,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-17 12:53:06,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794809686] [2023-11-17 12:53:06,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 12:53:06,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-17 12:53:06,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 12:53:06,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-17 12:53:06,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-17 12:53:06,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 12:53:06,034 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 12:53:06,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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 12:53:06,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 12:53:06,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 12:53:06,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 12:53:06,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-17 12:53:06,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 12:53:06,268 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION === [checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 12:53:06,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 12:53:06,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1662871605, now seen corresponding path program 1 times [2023-11-17 12:53:06,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 12:53:06,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851877946] [2023-11-17 12:53:06,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 12:53:06,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 12:53:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-17 12:53:06,362 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-17 12:53:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-17 12:53:06,498 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-17 12:53:06,498 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-17 12:53:06,500 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-17 12:53:06,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-17 12:53:06,510 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-17 12:53:06,511 INFO L307 ceAbstractionStarter]: Result for error location checkThreadThread1of1ForFork0 was UNSAFE (1/2) [2023-11-17 12:53:06,513 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 12:53:06,513 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 12:53:06,555 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem32 [2023-11-17 12:53:06,556 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret31 could not be translated [2023-11-17 12:53:06,556 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-17 12:53:06,556 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem35 [2023-11-17 12:53:06,556 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-17 12:53:06,557 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem35 [2023-11-17 12:53:06,557 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem32 [2023-11-17 12:53:06,557 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-17 12:53:06,557 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-17 12:53:06,557 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-17 12:53:06,557 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret31 could not be translated [2023-11-17 12:53:06,558 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem32 [2023-11-17 12:53:06,558 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-17 12:53:06,559 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret31 could not be translated [2023-11-17 12:53:06,559 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem35 [2023-11-17 12:53:06,559 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre45 could not be translated [2023-11-17 12:53:06,559 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-17 12:53:06,560 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-17 12:53:06,560 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem35 [2023-11-17 12:53:06,561 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret47 could not be translated [2023-11-17 12:53:06,561 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret31 could not be translated [2023-11-17 12:53:06,561 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-17 12:53:06,561 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem32 [2023-11-17 12:53:06,562 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-17 12:53:06,562 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem32 [2023-11-17 12:53:06,562 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret31 could not be translated [2023-11-17 12:53:06,562 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-17 12:53:06,562 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret47 could not be translated [2023-11-17 12:53:06,563 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-17 12:53:06,563 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem35 [2023-11-17 12:53:06,564 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-17 12:53:06,564 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem35 [2023-11-17 12:53:06,564 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret47 could not be translated [2023-11-17 12:53:06,565 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-17 12:53:06,565 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem32 [2023-11-17 12:53:06,566 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret31 could not be translated [2023-11-17 12:53:06,573 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret31 could not be translated [2023-11-17 12:53:06,573 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem32 [2023-11-17 12:53:06,573 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret47 could not be translated [2023-11-17 12:53:06,576 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-17 12:53:06,576 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-17 12:53:06,576 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem35 [2023-11-17 12:53:06,576 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-17 12:53:06,577 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret47 could not be translated [2023-11-17 12:53:06,577 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret31 could not be translated [2023-11-17 12:53:06,577 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-17 12:53:06,577 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre50 could not be translated [2023-11-17 12:53:06,577 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-17 12:53:06,577 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem32 [2023-11-17 12:53:06,577 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem35 [2023-11-17 12:53:06,578 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-17 12:53:06,578 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-17 12:53:06,578 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem35 [2023-11-17 12:53:06,578 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret52 could not be translated [2023-11-17 12:53:06,578 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem32 [2023-11-17 12:53:06,578 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret47 could not be translated [2023-11-17 12:53:06,579 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret31 could not be translated [2023-11-17 12:53:06,579 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-17 12:53:06,579 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-17 12:53:06,579 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem35 [2023-11-17 12:53:06,580 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem32 [2023-11-17 12:53:06,580 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret52 could not be translated [2023-11-17 12:53:06,580 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret47 could not be translated [2023-11-17 12:53:06,580 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret31 could not be translated [2023-11-17 12:53:06,580 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-17 12:53:06,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 12:53:06 BasicIcfg [2023-11-17 12:53:06,592 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 12:53:06,594 INFO L158 Benchmark]: Toolchain (without parser) took 3073.98ms. Allocated memory was 192.9MB in the beginning and 264.2MB in the end (delta: 71.3MB). Free memory was 134.5MB in the beginning and 187.6MB in the end (delta: -53.1MB). Peak memory consumption was 19.4MB. Max. memory is 8.0GB. [2023-11-17 12:53:06,594 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 192.9MB. Free memory is still 145.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 12:53:06,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 733.99ms. Allocated memory was 192.9MB in the beginning and 264.2MB in the end (delta: 71.3MB). Free memory was 134.5MB in the beginning and 227.4MB in the end (delta: -92.8MB). Peak memory consumption was 43.5MB. Max. memory is 8.0GB. [2023-11-17 12:53:06,595 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.50ms. Allocated memory is still 264.2MB. Free memory was 227.4MB in the beginning and 224.3MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-11-17 12:53:06,595 INFO L158 Benchmark]: Boogie Preprocessor took 47.78ms. Allocated memory is still 264.2MB. Free memory was 224.3MB in the beginning and 222.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-17 12:53:06,598 INFO L158 Benchmark]: RCFGBuilder took 791.94ms. Allocated memory is still 264.2MB. Free memory was 222.2MB in the beginning and 167.2MB in the end (delta: 55.0MB). Peak memory consumption was 54.5MB. Max. memory is 8.0GB. [2023-11-17 12:53:06,598 INFO L158 Benchmark]: TraceAbstraction took 1418.69ms. Allocated memory is still 264.2MB. Free memory was 166.7MB in the beginning and 187.6MB in the end (delta: -21.0MB). There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 12:53:06,600 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 192.9MB. Free memory is still 145.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 733.99ms. Allocated memory was 192.9MB in the beginning and 264.2MB in the end (delta: 71.3MB). Free memory was 134.5MB in the beginning and 227.4MB in the end (delta: -92.8MB). Peak memory consumption was 43.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 75.50ms. Allocated memory is still 264.2MB. Free memory was 227.4MB in the beginning and 224.3MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 47.78ms. Allocated memory is still 264.2MB. Free memory was 224.3MB in the beginning and 222.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 791.94ms. Allocated memory is still 264.2MB. Free memory was 222.2MB in the beginning and 167.2MB in the end (delta: 55.0MB). Peak memory consumption was 54.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1418.69ms. Allocated memory is still 264.2MB. Free memory was 166.7MB in the beginning and 187.6MB in the end (delta: -21.0MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem35 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem35 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem35 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem35 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem35 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem35 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem35 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem35 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem35 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem35 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 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: 873, independent: 825, independent conditional: 138, independent unconditional: 687, dependent: 48, dependent conditional: 39, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 838, independent: 825, independent conditional: 138, independent unconditional: 687, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 838, independent: 825, independent conditional: 138, independent unconditional: 687, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 842, independent: 825, independent conditional: 0, independent unconditional: 825, dependent: 17, dependent conditional: 4, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 842, independent: 825, independent conditional: 0, independent unconditional: 825, dependent: 17, dependent conditional: 4, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 842, independent: 825, independent conditional: 0, independent unconditional: 825, dependent: 17, dependent conditional: 4, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 627, independent: 616, independent conditional: 0, independent unconditional: 616, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 627, independent: 611, independent conditional: 0, independent unconditional: 611, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 51, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 24, dependent conditional: 5, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 842, independent: 209, independent conditional: 0, independent unconditional: 209, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 627, unknown conditional: 2, unknown unconditional: 625] , Statistics on independence cache: Total cache size (in pairs): 627, Positive cache size: 616, Positive conditional cache size: 0, Positive unconditional cache size: 616, Negative cache size: 11, Negative conditional cache size: 2, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 1, Independence queries for same thread: 35 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 50, Number of trivial persistent sets: 21, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 696, independent: 687, independent conditional: 0, independent unconditional: 687, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 873, independent: 825, independent conditional: 138, independent unconditional: 687, dependent: 48, dependent conditional: 39, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 838, independent: 825, independent conditional: 138, independent unconditional: 687, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 838, independent: 825, independent conditional: 138, independent unconditional: 687, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 842, independent: 825, independent conditional: 0, independent unconditional: 825, dependent: 17, dependent conditional: 4, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 842, independent: 825, independent conditional: 0, independent unconditional: 825, dependent: 17, dependent conditional: 4, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 842, independent: 825, independent conditional: 0, independent unconditional: 825, dependent: 17, dependent conditional: 4, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 627, independent: 616, independent conditional: 0, independent unconditional: 616, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 627, independent: 611, independent conditional: 0, independent unconditional: 611, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 51, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 24, dependent conditional: 5, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 842, independent: 209, independent conditional: 0, independent unconditional: 209, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 627, unknown conditional: 2, unknown unconditional: 625] , Statistics on independence cache: Total cache size (in pairs): 627, Positive cache size: 616, Positive conditional cache size: 0, Positive unconditional cache size: 616, Negative cache size: 11, Negative conditional cache size: 2, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 1, Independence queries for same thread: 35 - UnprovableResult [Line: 1307]: 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 1253. Possible FailurePath: [L1238] 0 static int iSet = 2; [L1239] 0 static int iCheck = 2; [L1240] 0 static int a = 0; [L1241] 0 static int b = 0; [L1247] 0 int i, err; [L1248] COND TRUE 0 argc != 1 [L1249] COND FALSE 0 !(argc != 3) [L1253] 0 argv[1] [L1254] 0 argv[2] [L1257] EXPR 0 \read(iSet) [L1257] 0 iSet > 100000 || iCheck > 100000 [L1257] EXPR 0 \read(iCheck) [L1257] 0 iSet > 100000 || iCheck > 100000 [L1257] COND FALSE 0 !(iSet > 100000 || iCheck > 100000) [L1260] EXPR 0 \read(iSet) [L1260] 0 pthread_t setPool[iSet]; [L1261] EXPR 0 \read(iCheck) [L1261] 0 pthread_t checkPool[iCheck]; [L1262] 0 i = 0 VAL [\old(argc)=3, a=0, argc=3, argv={62:63}, argv={62:63}, b=0, checkPool={11:0}, i=0, iCheck={10:0}, iSet={9:0}, setPool={13:0}] [L1262] EXPR 0 \read(iSet) VAL [\old(argc)=3, a=0, argc=3, argv={62:63}, argv={62:63}, b=0, checkPool={11:0}, i=0, iCheck={10:0}, iSet={9:0}, setPool={13:0}] [L1262] COND TRUE 0 i < iSet [L1263] EXPR, FCALL, FORK 0 pthread_create(&setPool[i], ((void *)0), &setThread, ((void *)0)) VAL [\old(argc)=3, a=0, argc=3, argv={62:63}, argv={62:63}, b=0, checkPool={11:0}, i=0, iCheck={10:0}, iSet={9:0}, param={0:0}, setPool={13:0}] [L1263] EXPR 0 err = pthread_create(&setPool[i], ((void *)0), &setThread, ((void *)0)) [L1263] COND FALSE 0 !(0 != (err = pthread_create(&setPool[i], ((void *)0), &setThread, ((void *)0)))) [L1262] 0 i++ VAL [\old(argc)=3, a=0, argc=3, argv={62:63}, argv={62:63}, b=0, checkPool={11:0}, err=0, i=1, iCheck={10:0}, iSet={9:0}, param={0:0}, setPool={13:0}] [L1262] EXPR 0 \read(iSet) VAL [\old(argc)=3, a=0, argc=3, argv={62:63}, argv={62:63}, b=0, checkPool={11:0}, err=0, i=1, iCheck={10:0}, iSet={9:0}, param={0:0}, setPool={13:0}] [L1262] COND FALSE 0 !(i < iSet) [L1268] 0 i = 0 VAL [\old(argc)=3, a=0, argc=3, argv={62:63}, argv={62:63}, b=0, checkPool={11:0}, err=0, i=0, iCheck={10:0}, iSet={9:0}, param={0:0}, setPool={13:0}] [L1268] EXPR 0 \read(iCheck) VAL [\old(argc)=3, a=0, argc=3, argv={62:63}, argv={62:63}, b=0, checkPool={11:0}, err=0, i=0, iCheck={10:0}, iSet={9:0}, param={0:0}, setPool={13:0}] [L1268] COND TRUE 0 i < iCheck [L1269-L1270] EXPR, FCALL, FORK 0 pthread_create(&checkPool[i], ((void *)0), &checkThread, ((void *)0)) VAL [\old(argc)=3, a=0, argc=3, argv={62:63}, argv={62:63}, b=0, checkPool={11:0}, err=0, i=0, iCheck={10:0}, iSet={9:0}, param={0:0}, param={0:0}, setPool={13:0}] [L1269-L1270] EXPR 0 err = pthread_create(&checkPool[i], ((void *)0), &checkThread, ((void *)0)) [L1269-L1270] COND FALSE 0 !(0 != (err = pthread_create(&checkPool[i], ((void *)0), &checkThread, ((void *)0)))) [L1268] 0 i++ VAL [\old(argc)=3, a=0, argc=3, argv={62:63}, argv={62:63}, b=0, checkPool={11:0}, err=0, i=1, iCheck={10:0}, iSet={9:0}, param={0:0}, param={0:0}, param={0:0}, param={0:0}, setPool={13:0}] [L1300] 2 int la = a; VAL [a=0, b=0, iCheck={10:0}, iSet={9:0}, la=0, param={0:0}, param={0:0}, param={0:0}, param={0:0}] [L1291] 1 a = 1 VAL [a=1, b=0, iCheck={10:0}, iSet={9:0}, la=0, param={0:0}, param={0:0}, param={0:0}, param={0:0}] [L1268] EXPR 0 \read(iCheck) VAL [\old(argc)=3, a=1, argc=3, argv={62:63}, argv={62:63}, b=0, checkPool={11:0}, err=0, i=1, iCheck={10:0}, iSet={9:0}, la=0, param={0:0}, param={0:0}, param={0:0}, param={0:0}, setPool={13:0}] [L1294] 1 b = -1 VAL [a=1, b=-1, iCheck={10:0}, iSet={9:0}, la=0, param={0:0}, param={0:0}, param={0:0}, param={0:0}] [L1303] 2 int lb = b; VAL [a=1, b=-1, iCheck={10:0}, iSet={9:0}, la=0, lb=-1, param={0:0}, param={0:0}, param={0:0}, param={0:0}] [L1268] COND TRUE 0 i < iCheck [L1305] COND TRUE 2 ! ((la == 0 && lb == 0) || (la == 1 && lb == -1)) [L1307] 2 reach_error() VAL [a=1, b=-1, iCheck={10:0}, iSet={9:0}, la=0, lb=-1, param={0:0}, param={0:0}, param={0:0}, param={0:0}] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: checkThreadThread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 50 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 89 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-17 12:53:06,625 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-11-17 12:53:06,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...