/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi006_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-07 01:54:33,825 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-07 01:54:33,898 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-07 01:54:33,903 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-07 01:54:33,903 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-07 01:54:33,904 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-07 01:54:33,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-07 01:54:33,932 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-07 01:54:33,933 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-07 01:54:33,936 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-07 01:54:33,936 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-07 01:54:33,937 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-07 01:54:33,937 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-07 01:54:33,939 INFO L153 SettingsManager]: * Use SBE=true [2023-09-07 01:54:33,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-07 01:54:33,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-07 01:54:33,939 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-07 01:54:33,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-07 01:54:33,940 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-07 01:54:33,940 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-07 01:54:33,940 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-07 01:54:33,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-07 01:54:33,941 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-07 01:54:33,941 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-07 01:54:33,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-07 01:54:33,941 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-07 01:54:33,942 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-07 01:54:33,942 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-07 01:54:33,942 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-07 01:54:33,943 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-07 01:54:33,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 01:54:33,944 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-07 01:54:33,944 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-07 01:54:33,944 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-07 01:54:33,944 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-07 01:54:33,944 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-07 01:54:33,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-07 01:54:33,945 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-07 01:54:33,945 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-07 01:54:33,945 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-07 01:54:33,945 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-07 01:54:33,945 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2023-09-07 01:54:34,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-07 01:54:34,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-07 01:54:34,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-07 01:54:34,189 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-07 01:54:34,190 INFO L274 PluginConnector]: CDTParser initialized [2023-09-07 01:54:34,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi006_power.opt.i [2023-09-07 01:54:35,329 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-07 01:54:35,537 INFO L384 CDTParser]: Found 1 translation units. [2023-09-07 01:54:35,538 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi006_power.opt.i [2023-09-07 01:54:35,551 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01ca973c3/3a0d0cbd86984cc48455c5f897dacb19/FLAG57c21b113 [2023-09-07 01:54:35,562 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01ca973c3/3a0d0cbd86984cc48455c5f897dacb19 [2023-09-07 01:54:35,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-07 01:54:35,566 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-07 01:54:35,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-07 01:54:35,567 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-07 01:54:35,571 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-07 01:54:35,571 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 01:54:35" (1/1) ... [2023-09-07 01:54:35,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44274f27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:54:35, skipping insertion in model container [2023-09-07 01:54:35,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 01:54:35" (1/1) ... [2023-09-07 01:54:35,613 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-07 01:54:35,738 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi006_power.opt.i[993,1006] [2023-09-07 01:54:35,971 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 01:54:35,984 INFO L202 MainTranslator]: Completed pre-run [2023-09-07 01:54:35,995 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi006_power.opt.i[993,1006] [2023-09-07 01:54:36,012 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-09-07 01:54:36,014 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-09-07 01:54:36,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 01:54:36,097 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-07 01:54:36,097 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-07 01:54:36,105 INFO L206 MainTranslator]: Completed translation [2023-09-07 01:54:36,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:54:36 WrapperNode [2023-09-07 01:54:36,106 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-07 01:54:36,107 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-07 01:54:36,107 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-07 01:54:36,107 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-07 01:54:36,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:54:36" (1/1) ... [2023-09-07 01:54:36,145 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:54:36" (1/1) ... [2023-09-07 01:54:36,165 INFO L138 Inliner]: procedures = 176, calls = 75, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 178 [2023-09-07 01:54:36,169 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-07 01:54:36,169 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-07 01:54:36,169 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-07 01:54:36,169 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-07 01:54:36,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:54:36" (1/1) ... [2023-09-07 01:54:36,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:54:36" (1/1) ... [2023-09-07 01:54:36,187 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:54:36" (1/1) ... [2023-09-07 01:54:36,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:54:36" (1/1) ... [2023-09-07 01:54:36,199 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:54:36" (1/1) ... [2023-09-07 01:54:36,203 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:54:36" (1/1) ... [2023-09-07 01:54:36,217 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:54:36" (1/1) ... [2023-09-07 01:54:36,219 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:54:36" (1/1) ... [2023-09-07 01:54:36,223 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-07 01:54:36,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-07 01:54:36,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-07 01:54:36,224 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-07 01:54:36,224 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:54:36" (1/1) ... [2023-09-07 01:54:36,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 01:54:36,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 01:54:36,266 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) [2023-09-07 01:54:36,285 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 [2023-09-07 01:54:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-07 01:54:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-07 01:54:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-07 01:54:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-07 01:54:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-07 01:54:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-07 01:54:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-09-07 01:54:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-09-07 01:54:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-09-07 01:54:36,317 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-09-07 01:54:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-09-07 01:54:36,317 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-09-07 01:54:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-07 01:54:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-07 01:54:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-07 01:54:36,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-07 01:54:36,318 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-07 01:54:36,502 INFO L236 CfgBuilder]: Building ICFG [2023-09-07 01:54:36,504 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-07 01:54:36,993 INFO L277 CfgBuilder]: Performing block encoding [2023-09-07 01:54:37,217 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-07 01:54:37,218 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-07 01:54:37,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 01:54:37 BoogieIcfgContainer [2023-09-07 01:54:37,220 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-07 01:54:37,223 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-07 01:54:37,223 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-07 01:54:37,226 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-07 01:54:37,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 01:54:35" (1/3) ... [2023-09-07 01:54:37,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@579bbdd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 01:54:37, skipping insertion in model container [2023-09-07 01:54:37,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 01:54:36" (2/3) ... [2023-09-07 01:54:37,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@579bbdd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 01:54:37, skipping insertion in model container [2023-09-07 01:54:37,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 01:54:37" (3/3) ... [2023-09-07 01:54:37,229 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi006_power.opt.i [2023-09-07 01:54:37,237 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-07 01:54:37,244 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-07 01:54:37,245 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-09-07 01:54:37,245 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-07 01:54:37,304 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-09-07 01:54:37,347 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 01:54:37,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-07 01:54:37,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 01:54:37,351 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) [2023-09-07 01:54:37,368 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 [2023-09-07 01:54:37,390 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-07 01:54:37,397 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Err0ASSERT_VIOLATIONERROR_FUNCTION ======== [2023-09-07 01:54:37,403 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=LoopsAndPotentialCycles, 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;@5df0d3d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 01:54:37,403 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-09-07 01:54:37,406 WARN L114 cStratifiedReduction]: DynamicStratifiedReduction did not find any initial state. Returning directly. [2023-09-07 01:54:37,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-09-07 01:54:37,412 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-09-07 01:54:37,413 INFO L307 ceAbstractionStarter]: Result for error location P2Err0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/6) [2023-09-07 01:54:37,430 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 01:54:37,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-07 01:54:37,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 01:54:37,467 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-07 01:54:37,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2023-09-07 01:54:37,472 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-07 01:54:37,476 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2023-09-07 01:54:37,477 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=LoopsAndPotentialCycles, 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;@5df0d3d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 01:54:37,477 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Found a loop, use abstraction hammer [2023-09-07 01:54:37,521 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 01:54:37,525 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 01:54:37,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1467369970, now seen corresponding path program 1 times [2023-09-07 01:54:37,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 01:54:37,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143384836] [2023-09-07 01:54:37,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 01:54:37,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 01:54:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 01:54:37,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 01:54:37,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 01:54:37,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143384836] [2023-09-07 01:54:37,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143384836] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 01:54:37,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 01:54:37,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-07 01:54:37,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368771460] [2023-09-07 01:54:37,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 01:54:37,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-07 01:54:37,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 01:54:37,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-07 01:54:37,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-07 01:54:37,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 01:54:37,867 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 01:54:37,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 44.5) internal successors, (89), 2 states have internal predecessors, (89), 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) [2023-09-07 01:54:37,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 01:55:20,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 01:55:20,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-07 01:55:20,652 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 01:55:20,653 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 01:55:20,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1352661144, now seen corresponding path program 1 times [2023-09-07 01:55:20,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 01:55:20,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994851154] [2023-09-07 01:55:20,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 01:55:20,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 01:55:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 01:55:21,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 01:55:21,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 01:55:21,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994851154] [2023-09-07 01:55:21,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994851154] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 01:55:21,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 01:55:21,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-07 01:55:21,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391830126] [2023-09-07 01:55:21,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 01:55:21,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-07 01:55:21,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 01:55:21,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-07 01:55:21,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-09-07 01:55:21,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 01:55:21,253 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 01:55:21,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 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) [2023-09-07 01:55:21,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 01:55:21,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 02:01:48,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 02:01:48,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 02:01:48,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-07 02:01:48,573 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 02:01:48,574 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 02:01:48,574 INFO L85 PathProgramCache]: Analyzing trace with hash 312942825, now seen corresponding path program 1 times [2023-09-07 02:01:48,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 02:01:48,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655594871] [2023-09-07 02:01:48,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 02:01:48,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 02:01:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 02:01:49,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 02:01:49,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 02:01:49,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655594871] [2023-09-07 02:01:49,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655594871] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 02:01:49,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 02:01:49,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-07 02:01:49,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622561046] [2023-09-07 02:01:49,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 02:01:49,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-07 02:01:49,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 02:01:49,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-07 02:01:49,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-09-07 02:01:49,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 02:01:49,016 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 02:01:49,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 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) [2023-09-07 02:01:49,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 02:01:49,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 02:01:49,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-09-07 02:08:31,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-07 02:08:31,567 WARN L619 AbstractCegarLoop]: Verification canceled: while PolyPacSimplificationTermWalker was simplifying a ∧-2-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-9-4-5-3-2-2-4-3-2-1 context. [2023-09-07 02:08:31,567 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-09-07 02:08:31,601 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-07 02:08:31,601 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-07 02:08:31,601 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-07 02:08:31,616 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-09-07 02:08:31,617 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (2/6) [2023-09-07 02:08:31,618 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-07 02:08:31,618 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-07 02:08:31,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 02:08:31 BasicIcfg [2023-09-07 02:08:31,622 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-07 02:08:31,622 INFO L158 Benchmark]: Toolchain (without parser) took 836056.72ms. Allocated memory was 233.8MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 183.1MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 2.2GB. Max. memory is 7.0GB. [2023-09-07 02:08:31,623 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 157.3MB. Free memory is still 108.6MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-07 02:08:31,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.62ms. Allocated memory is still 233.8MB. Free memory was 182.6MB in the beginning and 157.9MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 7.0GB. [2023-09-07 02:08:31,623 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.86ms. Allocated memory is still 233.8MB. Free memory was 157.5MB in the beginning and 155.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-07 02:08:31,624 INFO L158 Benchmark]: Boogie Preprocessor took 53.66ms. Allocated memory is still 233.8MB. Free memory was 155.2MB in the beginning and 152.7MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. [2023-09-07 02:08:31,624 INFO L158 Benchmark]: RCFGBuilder took 996.70ms. Allocated memory is still 233.8MB. Free memory was 152.7MB in the beginning and 147.3MB in the end (delta: 5.3MB). Peak memory consumption was 37.2MB. Max. memory is 7.0GB. [2023-09-07 02:08:31,624 INFO L158 Benchmark]: TraceAbstraction took 834398.95ms. Allocated memory was 233.8MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 146.3MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 2.2GB. Max. memory is 7.0GB. [2023-09-07 02:08:31,626 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 157.3MB. Free memory is still 108.6MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 539.62ms. Allocated memory is still 233.8MB. Free memory was 182.6MB in the beginning and 157.9MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 61.86ms. Allocated memory is still 233.8MB. Free memory was 157.5MB in the beginning and 155.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 53.66ms. Allocated memory is still 233.8MB. Free memory was 155.2MB in the beginning and 152.7MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. * RCFGBuilder took 996.70ms. Allocated memory is still 233.8MB. Free memory was 152.7MB in the beginning and 147.3MB in the end (delta: 5.3MB). Peak memory consumption was 37.2MB. Max. memory is 7.0GB. * TraceAbstraction took 834398.95ms. Allocated memory was 233.8MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 146.3MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 2.2GB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 268]: Unsoundness Warning unspecified type, defaulting to int C: short [268] - GenericResultAtLocation [Line: 268]: Unsoundness Warning unspecified type, defaulting to int C: short [268] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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: 0 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 0 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 41645, independent: 40080, independent conditional: 40080, independent unconditional: 0, dependent: 1302, dependent conditional: 1302, dependent unconditional: 0, unknown: 263, unknown conditional: 263, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40365, independent: 40080, independent conditional: 40080, independent unconditional: 0, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 263, unknown conditional: 263, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 40365, independent: 40080, independent conditional: 40080, independent unconditional: 0, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 263, unknown conditional: 263, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 41055, independent: 40080, independent conditional: 0, independent unconditional: 40080, dependent: 77, dependent conditional: 55, dependent unconditional: 22, unknown: 898, unknown conditional: 635, unknown unconditional: 263] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 41055, independent: 40080, independent conditional: 0, independent unconditional: 40080, dependent: 77, dependent conditional: 0, dependent unconditional: 77, unknown: 898, unknown conditional: 0, unknown unconditional: 898] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 41055, independent: 40080, independent conditional: 0, independent unconditional: 40080, dependent: 77, dependent conditional: 0, dependent unconditional: 77, unknown: 898, unknown conditional: 0, unknown unconditional: 898] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 40365, independent: 40080, independent conditional: 0, independent unconditional: 40080, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 263, unknown conditional: 0, unknown unconditional: 263] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 40365, independent: 40080, independent conditional: 0, independent unconditional: 40080, dependent: 285, dependent conditional: 0, dependent unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 285, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 263, unknown conditional: 0, unknown unconditional: 263] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 285, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 263, unknown conditional: 0, unknown unconditional: 263] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 285, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 263, unknown conditional: 0, unknown unconditional: 263] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7634, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 7613, unknown conditional: 0, unknown unconditional: 7613] , Protected Queries: 0 ], Cache Queries: [ total: 41055, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 41000, unknown conditional: 0, unknown unconditional: 41000] , Statistics on independence cache: Total cache size (in pairs): 40102, Positive cache size: 40080, Positive conditional cache size: 0, Positive unconditional cache size: 40080, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22, Unknown cache size: 263, Unknown conditional cache size: 0, Unknown unconditional cache size: 263, Eliminated conditions: 690, Maximal queried relation: 3, Independence queries for same thread: 1280 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 1, RedundantProofs: 1, ProvenStates: 8 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PolyPacSimplificationTermWalker was simplifying a ∧-2-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-9-4-5-3-2-2-4-3-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: P2Err0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 150 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 150 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 834.2s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 832.7s, 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: 20, 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, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 268 NumberOfCodeBlocks, 268 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 265 ConstructedInterpolants, 0 QuantifiedInterpolants, 517 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: Timeout Completed graceful shutdown