/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 --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/safe007_power.oepc-thin001_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-25 22:04:36,457 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-25 22:04:36,518 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-01-25 22:04:36,522 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-25 22:04:36,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-25 22:04:36,523 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-01-25 22:04:36,549 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-25 22:04:36,549 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-25 22:04:36,549 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-25 22:04:36,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-25 22:04:36,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-25 22:04:36,553 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-25 22:04:36,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-25 22:04:36,554 INFO L153 SettingsManager]: * Use SBE=true [2024-01-25 22:04:36,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-25 22:04:36,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-25 22:04:36,554 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-25 22:04:36,554 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-25 22:04:36,555 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-25 22:04:36,555 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-25 22:04:36,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-25 22:04:36,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-25 22:04:36,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-25 22:04:36,556 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-25 22:04:36,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-25 22:04:36,556 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-25 22:04:36,557 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-25 22:04:36,557 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-25 22:04:36,557 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-25 22:04:36,557 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-25 22:04:36,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-25 22:04:36,558 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-25 22:04:36,558 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-25 22:04:36,558 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-01-25 22:04:36,559 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-01-25 22:04:36,559 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-25 22:04:36,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-25 22:04:36,559 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-25 22:04:36,559 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-25 22:04:36,559 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-25 22:04:36,559 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-01-25 22:04:36,559 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-01-25 22:04:36,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-25 22:04:36,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-25 22:04:36,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-25 22:04:36,766 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-25 22:04:36,768 INFO L274 PluginConnector]: CDTParser initialized [2024-01-25 22:04:36,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe007_power.oepc-thin001_power.oepc.i [2024-01-25 22:04:37,688 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-25 22:04:37,896 INFO L384 CDTParser]: Found 1 translation units. [2024-01-25 22:04:37,897 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_power.oepc-thin001_power.oepc.i [2024-01-25 22:04:37,912 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/af53b4ff4/7733ec5bc0fc48e79a5ba314061d4b5f/FLAGd6f404fdd [2024-01-25 22:04:37,927 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/af53b4ff4/7733ec5bc0fc48e79a5ba314061d4b5f [2024-01-25 22:04:37,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-25 22:04:37,931 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-25 22:04:37,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-25 22:04:37,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-25 22:04:37,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-25 22:04:37,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 10:04:37" (1/1) ... [2024-01-25 22:04:37,937 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b7bd2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:04:37, skipping insertion in model container [2024-01-25 22:04:37,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 10:04:37" (1/1) ... [2024-01-25 22:04:37,992 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-25 22:04:38,126 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_power.oepc-thin001_power.oepc.i[1014,1027] [2024-01-25 22:04:38,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-25 22:04:38,269 INFO L202 MainTranslator]: Completed pre-run [2024-01-25 22:04:38,282 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_power.oepc-thin001_power.oepc.i[1014,1027] [2024-01-25 22:04:38,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-25 22:04:38,349 INFO L206 MainTranslator]: Completed translation [2024-01-25 22:04:38,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:04:38 WrapperNode [2024-01-25 22:04:38,350 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-25 22:04:38,351 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-25 22:04:38,351 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-25 22:04:38,351 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-25 22:04:38,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:04:38" (1/1) ... [2024-01-25 22:04:38,366 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:04:38" (1/1) ... [2024-01-25 22:04:38,383 INFO L138 Inliner]: procedures = 176, calls = 69, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 137 [2024-01-25 22:04:38,383 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-25 22:04:38,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-25 22:04:38,384 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-25 22:04:38,384 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-25 22:04:38,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:04:38" (1/1) ... [2024-01-25 22:04:38,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:04:38" (1/1) ... [2024-01-25 22:04:38,393 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:04:38" (1/1) ... [2024-01-25 22:04:38,393 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:04:38" (1/1) ... [2024-01-25 22:04:38,401 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:04:38" (1/1) ... [2024-01-25 22:04:38,403 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:04:38" (1/1) ... [2024-01-25 22:04:38,417 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:04:38" (1/1) ... [2024-01-25 22:04:38,419 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:04:38" (1/1) ... [2024-01-25 22:04:38,422 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-25 22:04:38,422 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-25 22:04:38,422 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-25 22:04:38,422 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-25 22:04:38,423 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:04:38" (1/1) ... [2024-01-25 22:04:38,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-25 22:04:38,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-25 22:04:38,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-01-25 22:04:38,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-01-25 22:04:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-01-25 22:04:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-25 22:04:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-25 22:04:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-25 22:04:38,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-25 22:04:38,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-25 22:04:38,491 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-01-25 22:04:38,491 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-01-25 22:04:38,491 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-01-25 22:04:38,491 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-01-25 22:04:38,492 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-01-25 22:04:38,492 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-01-25 22:04:38,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-25 22:04:38,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-25 22:04:38,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-25 22:04:38,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-25 22:04:38,494 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-25 22:04:38,621 INFO L241 CfgBuilder]: Building ICFG [2024-01-25 22:04:38,622 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-25 22:04:38,951 INFO L282 CfgBuilder]: Performing block encoding [2024-01-25 22:04:39,141 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-25 22:04:39,141 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-25 22:04:39,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 10:04:39 BoogieIcfgContainer [2024-01-25 22:04:39,142 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-25 22:04:39,143 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-25 22:04:39,143 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-25 22:04:39,145 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-25 22:04:39,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.01 10:04:37" (1/3) ... [2024-01-25 22:04:39,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f9f07fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 10:04:39, skipping insertion in model container [2024-01-25 22:04:39,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:04:38" (2/3) ... [2024-01-25 22:04:39,147 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f9f07fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 10:04:39, skipping insertion in model container [2024-01-25 22:04:39,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 10:04:39" (3/3) ... [2024-01-25 22:04:39,149 INFO L112 eAbstractionObserver]: Analyzing ICFG safe007_power.oepc-thin001_power.oepc.i [2024-01-25 22:04:39,155 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-25 22:04:39,162 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-25 22:04:39,162 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-25 22:04:39,162 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-25 22:04:39,215 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-25 22:04:39,250 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-25 22:04:39,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-25 22:04:39,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-25 22:04:39,253 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-01-25 22:04:39,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-01-25 22:04:39,296 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-25 22:04:39,303 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-25 22:04:39,308 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;@2d0cb4d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-25 22:04:39,308 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Found a loop, use abstraction hammer [2024-01-25 22:04:39,349 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 22:04:39,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 22:04:39,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1875928644, now seen corresponding path program 1 times [2024-01-25 22:04:39,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 22:04:39,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46200606] [2024-01-25 22:04:39,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 22:04:39,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 22:04:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 22:04:39,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-25 22:04:39,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 22:04:39,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46200606] [2024-01-25 22:04:39,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46200606] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 22:04:39,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 22:04:39,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-25 22:04:39,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976073006] [2024-01-25 22:04:39,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 22:04:39,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-01-25 22:04:39,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 22:04:39,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-01-25 22:04:39,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-01-25 22:04:39,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:04:39,621 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 22:04:39,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-25 22:04:39,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:05:06,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:05:06,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-25 22:05:06,911 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 22:05:06,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 22:05:06,912 INFO L85 PathProgramCache]: Analyzing trace with hash 191264396, now seen corresponding path program 1 times [2024-01-25 22:05:06,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 22:05:06,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710321018] [2024-01-25 22:05:06,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 22:05:06,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 22:05:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 22:05:07,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-25 22:05:07,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 22:05:07,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710321018] [2024-01-25 22:05:07,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710321018] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 22:05:07,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 22:05:07,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-01-25 22:05:07,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239170155] [2024-01-25 22:05:07,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 22:05:07,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-01-25 22:05:07,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 22:05:07,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-01-25 22:05:07,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-01-25 22:05:07,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:05:07,350 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 22:05:07,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 8 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) [2024-01-25 22:05:07,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:05:07,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:09:48,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:09:48,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-01-25 22:09:48,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-25 22:09:48,628 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 22:09:48,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 22:09:48,628 INFO L85 PathProgramCache]: Analyzing trace with hash 175500948, now seen corresponding path program 1 times [2024-01-25 22:09:48,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 22:09:48,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080812831] [2024-01-25 22:09:48,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 22:09:48,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 22:09:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 22:09:50,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-25 22:09:50,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 22:09:50,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080812831] [2024-01-25 22:09:50,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080812831] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 22:09:50,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 22:09:50,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-01-25 22:09:50,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960900367] [2024-01-25 22:09:50,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 22:09:50,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-01-25 22:09:50,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 22:09:50,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-01-25 22:09:50,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2024-01-25 22:09:50,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:09:50,934 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 22:09:50,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.25) internal successors, (105), 20 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-25 22:09:50,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:09:50,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-01-25 22:09:50,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:14:31,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:14:31,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-01-25 22:14:31,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-01-25 22:14:31,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-25 22:14:31,699 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 22:14:31,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 22:14:31,699 INFO L85 PathProgramCache]: Analyzing trace with hash 2131196162, now seen corresponding path program 1 times [2024-01-25 22:14:31,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 22:14:31,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601855813] [2024-01-25 22:14:31,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 22:14:31,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 22:14:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 22:14:31,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-25 22:14:31,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 22:14:31,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601855813] [2024-01-25 22:14:31,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601855813] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 22:14:31,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 22:14:31,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-01-25 22:14:31,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803941450] [2024-01-25 22:14:31,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 22:14:31,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-01-25 22:14:31,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 22:14:31,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-01-25 22:14:31,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-01-25 22:14:31,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:14:31,922 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 22:14:31,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-25 22:14:31,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:14:31,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-01-25 22:14:31,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-01-25 22:14:31,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-01-25 22:18:56,355 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-25 22:18:56,355 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-25 22:18:56,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-25 22:18:56,522 WARN L619 AbstractCegarLoop]: Verification canceled: while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. [2024-01-25 22:18:56,523 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-25 22:18:56,574 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-01-25 22:18:56,575 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2024-01-25 22:18:56,576 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-25 22:18:56,576 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-25 22:18:56,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.01 10:18:56 BasicIcfg [2024-01-25 22:18:56,578 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-25 22:18:56,578 INFO L158 Benchmark]: Toolchain (without parser) took 858647.49ms. Allocated memory was 300.9MB in the beginning and 2.6GB in the end (delta: 2.3GB). Free memory was 245.1MB in the beginning and 1.2GB in the end (delta: -971.8MB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2024-01-25 22:18:56,578 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 237.0MB. Free memory was 184.6MB in the beginning and 184.4MB in the end (delta: 147.3kB). There was no memory consumed. Max. memory is 8.0GB. [2024-01-25 22:18:56,579 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.54ms. Allocated memory is still 300.9MB. Free memory was 244.8MB in the beginning and 220.7MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2024-01-25 22:18:56,579 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.55ms. Allocated memory is still 300.9MB. Free memory was 220.7MB in the beginning and 218.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-25 22:18:56,579 INFO L158 Benchmark]: Boogie Preprocessor took 37.93ms. Allocated memory is still 300.9MB. Free memory was 218.3MB in the beginning and 216.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-25 22:18:56,579 INFO L158 Benchmark]: RCFGBuilder took 719.51ms. Allocated memory is still 300.9MB. Free memory was 216.0MB in the beginning and 212.1MB in the end (delta: 3.9MB). Peak memory consumption was 14.9MB. Max. memory is 8.0GB. [2024-01-25 22:18:56,580 INFO L158 Benchmark]: TraceAbstraction took 857434.60ms. Allocated memory was 300.9MB in the beginning and 2.6GB in the end (delta: 2.3GB). Free memory was 211.6MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2024-01-25 22:18:56,581 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 237.0MB. Free memory was 184.6MB in the beginning and 184.4MB in the end (delta: 147.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 417.54ms. Allocated memory is still 300.9MB. Free memory was 244.8MB in the beginning and 220.7MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.55ms. Allocated memory is still 300.9MB. Free memory was 220.7MB in the beginning and 218.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 37.93ms. Allocated memory is still 300.9MB. Free memory was 218.3MB in the beginning and 216.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 719.51ms. Allocated memory is still 300.9MB. Free memory was 216.0MB in the beginning and 212.1MB in the end (delta: 3.9MB). Peak memory consumption was 14.9MB. Max. memory is 8.0GB. * TraceAbstraction took 857434.60ms. Allocated memory was 300.9MB in the beginning and 2.6GB in the end (delta: 2.3GB). Free memory was 211.6MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 53191, independent: 52884, independent conditional: 52884, independent unconditional: 0, dependent: 161, dependent conditional: 161, dependent unconditional: 0, unknown: 146, unknown conditional: 146, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53187, independent: 52884, independent conditional: 52884, independent unconditional: 0, dependent: 157, dependent conditional: 157, dependent unconditional: 0, unknown: 146, unknown conditional: 146, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 53187, independent: 52884, independent conditional: 52884, independent unconditional: 0, dependent: 157, dependent conditional: 157, dependent unconditional: 0, unknown: 146, unknown conditional: 146, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 54044, independent: 52884, independent conditional: 0, independent unconditional: 52884, dependent: 622, dependent conditional: 465, dependent unconditional: 157, unknown: 538, unknown conditional: 392, unknown unconditional: 146] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 54044, independent: 52884, independent conditional: 0, independent unconditional: 52884, dependent: 622, dependent conditional: 0, dependent unconditional: 622, unknown: 538, unknown conditional: 0, unknown unconditional: 538] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54044, independent: 52884, independent conditional: 0, independent unconditional: 52884, dependent: 622, dependent conditional: 0, dependent unconditional: 622, unknown: 538, unknown conditional: 0, unknown unconditional: 538] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 53187, independent: 52884, independent conditional: 0, independent unconditional: 52884, dependent: 157, dependent conditional: 0, dependent unconditional: 157, unknown: 146, unknown conditional: 0, unknown unconditional: 146] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 53187, independent: 52728, independent conditional: 0, independent unconditional: 52728, dependent: 459, dependent conditional: 0, dependent unconditional: 459, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 459, independent: 156, independent conditional: 0, independent unconditional: 156, dependent: 157, dependent conditional: 0, dependent unconditional: 157, unknown: 146, unknown conditional: 0, unknown unconditional: 146] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 459, independent: 156, independent conditional: 0, independent unconditional: 156, dependent: 157, dependent conditional: 0, dependent unconditional: 157, unknown: 146, unknown conditional: 0, unknown unconditional: 146] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 459, independent: 156, independent conditional: 0, independent unconditional: 156, dependent: 157, dependent conditional: 0, dependent unconditional: 157, unknown: 146, unknown conditional: 0, unknown unconditional: 146] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6081, independent: 156, independent conditional: 0, independent unconditional: 156, dependent: 1053, dependent conditional: 0, dependent unconditional: 1053, unknown: 4873, unknown conditional: 0, unknown unconditional: 4873] , Protected Queries: 0 ], Cache Queries: [ total: 54044, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 465, dependent conditional: 0, dependent unconditional: 465, unknown: 53579, unknown conditional: 0, unknown unconditional: 53579] , Statistics on independence cache: Total cache size (in pairs): 53041, Positive cache size: 52884, Positive conditional cache size: 0, Positive unconditional cache size: 52884, Negative cache size: 157, Negative conditional cache size: 0, Negative unconditional cache size: 157, Unknown cache size: 146, Unknown conditional cache size: 0, Unknown unconditional cache size: 146, Eliminated conditions: 857, Maximal queried relation: 4, Independence queries for same thread: 4 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 2, RedundantProofs: 1, ProvenStates: 16, Times there's more than one choice: 8, Avg number of choices: 1.9375 - StatisticsResult: Reduction benchmarks 280.8s Time before loop, 0.0s Time in loop, 280.8s Time in total, Has Loop: false, Protected Variables: [ULTIMATE.start___VERIFIER_assert_~expression#1, ~__unbuffered_p2_EAX~0, ~__unbuffered_p0_EAX$read_delayed_var~0.offset, ~#z~0.base, ~__unbuffered_p0_EAX$read_delayed~0, ~#z~0.offset, ~__unbuffered_p0_EAX~0, ~z$r_buff1_thd0~0, ~__unbuffered_p0_EAX$read_delayed_var~0.base, #valid, ~z$w_buff0~0, ~z$w_buff1~0, ULTIMATE.start___VERIFIER_assert_#in~expression#1, ULTIMATE.start_main_~#t1937~0#1.base, ~z$r_buff0_thd1~0, ULTIMATE.start_main_~#t1938~0#1.base, ULTIMATE.start_main_~#t1939~0#1.base, ~z$w_buff0_used~0, #memory_int, ~main$tmp_guard1~0], Protected Variables before encountering a loop: [ULTIMATE.start___VERIFIER_assert_~expression#1, ~__unbuffered_p2_EAX~0, ~__unbuffered_p0_EAX$read_delayed_var~0.offset, ~#z~0.base, ~__unbuffered_p0_EAX$read_delayed~0, ~#z~0.offset, ~__unbuffered_p0_EAX~0, ~z$r_buff1_thd0~0, ~__unbuffered_p0_EAX$read_delayed_var~0.base, #valid, ~z$w_buff0~0, ~z$w_buff1~0, ULTIMATE.start___VERIFIER_assert_#in~expression#1, ULTIMATE.start_main_~#t1937~0#1.base, ~z$r_buff0_thd1~0, ULTIMATE.start_main_~#t1938~0#1.base, ULTIMATE.start_main_~#t1939~0#1.base, ~z$w_buff0_used~0, #memory_int, ~main$tmp_guard1~0] - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 156 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 857.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 854.0s, 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: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 390 NumberOfCodeBlocks, 390 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 386 ConstructedInterpolants, 0 QuantifiedInterpolants, 2486 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown