/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/safe005_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-25 22:04:32,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-25 22:04:32,795 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-01-25 22:04:32,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-25 22:04:32,798 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-25 22:04:32,799 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-01-25 22:04:32,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-25 22:04:32,813 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-25 22:04:32,813 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-25 22:04:32,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-25 22:04:32,817 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-25 22:04:32,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-25 22:04:32,818 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-25 22:04:32,818 INFO L153 SettingsManager]: * Use SBE=true [2024-01-25 22:04:32,819 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-25 22:04:32,819 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-25 22:04:32,819 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-25 22:04:32,819 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-25 22:04:32,819 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-25 22:04:32,819 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-25 22:04:32,820 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-25 22:04:32,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-25 22:04:32,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-25 22:04:32,820 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-25 22:04:32,820 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-25 22:04:32,820 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-25 22:04:32,821 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-25 22:04:32,821 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-25 22:04:32,821 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-25 22:04:32,821 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-25 22:04:32,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-25 22:04:32,822 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-25 22:04:32,822 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-25 22:04:32,822 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-01-25 22:04:32,823 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-01-25 22:04:32,823 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-25 22:04:32,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-25 22:04:32,823 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-25 22:04:32,823 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-25 22:04:32,823 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-25 22:04:32,823 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-01-25 22:04:32,824 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-01-25 22:04:33,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-25 22:04:33,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-25 22:04:33,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-25 22:04:33,035 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-25 22:04:33,036 INFO L274 PluginConnector]: CDTParser initialized [2024-01-25 22:04:33,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe005_tso.i [2024-01-25 22:04:34,133 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-25 22:04:34,307 INFO L384 CDTParser]: Found 1 translation units. [2024-01-25 22:04:34,308 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe005_tso.i [2024-01-25 22:04:34,322 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8431defda/c6c5825fc5e344cfb2cdec84dfccb826/FLAG42b4e43c0 [2024-01-25 22:04:34,333 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8431defda/c6c5825fc5e344cfb2cdec84dfccb826 [2024-01-25 22:04:34,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-25 22:04:34,336 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-25 22:04:34,337 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-25 22:04:34,337 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-25 22:04:34,340 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-25 22:04:34,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 10:04:34" (1/1) ... [2024-01-25 22:04:34,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f509d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:04:34, skipping insertion in model container [2024-01-25 22:04:34,341 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 10:04:34" (1/1) ... [2024-01-25 22:04:34,368 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-25 22:04:34,466 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/safe005_tso.i[945,958] [2024-01-25 22:04:34,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-25 22:04:34,593 INFO L202 MainTranslator]: Completed pre-run [2024-01-25 22:04:34,608 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/safe005_tso.i[945,958] [2024-01-25 22:04:34,642 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-25 22:04:34,679 INFO L206 MainTranslator]: Completed translation [2024-01-25 22:04:34,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:04:34 WrapperNode [2024-01-25 22:04:34,680 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-25 22:04:34,681 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-25 22:04:34,681 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-25 22:04:34,681 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-25 22:04:34,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:04:34" (1/1) ... [2024-01-25 22:04:34,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:04:34" (1/1) ... [2024-01-25 22:04:34,722 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2024-01-25 22:04:34,722 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-25 22:04:34,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-25 22:04:34,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-25 22:04:34,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-25 22:04:34,729 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:04:34" (1/1) ... [2024-01-25 22:04:34,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:04:34" (1/1) ... [2024-01-25 22:04:34,744 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:04:34" (1/1) ... [2024-01-25 22:04:34,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:04:34" (1/1) ... [2024-01-25 22:04:34,749 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:04:34" (1/1) ... [2024-01-25 22:04:34,750 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:04:34" (1/1) ... [2024-01-25 22:04:34,751 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:04:34" (1/1) ... [2024-01-25 22:04:34,752 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:04:34" (1/1) ... [2024-01-25 22:04:34,753 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-25 22:04:34,754 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-25 22:04:34,754 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-25 22:04:34,754 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-25 22:04:34,755 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:04:34" (1/1) ... [2024-01-25 22:04:34,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-25 22:04:34,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-25 22:04:34,795 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 22:04:34,807 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 22:04:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-25 22:04:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-25 22:04:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-25 22:04:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-25 22:04:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-25 22:04:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-01-25 22:04:34,827 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-01-25 22:04:34,827 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-01-25 22:04:34,827 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-01-25 22:04:34,827 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-01-25 22:04:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-01-25 22:04:34,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-25 22:04:34,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-25 22:04:34,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-25 22:04:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-25 22:04:34,830 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 22:04:34,968 INFO L241 CfgBuilder]: Building ICFG [2024-01-25 22:04:34,970 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-25 22:04:35,106 INFO L282 CfgBuilder]: Performing block encoding [2024-01-25 22:04:35,114 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-25 22:04:35,114 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-25 22:04:35,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 10:04:35 BoogieIcfgContainer [2024-01-25 22:04:35,114 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-25 22:04:35,116 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-25 22:04:35,116 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-25 22:04:35,118 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-25 22:04:35,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.01 10:04:34" (1/3) ... [2024-01-25 22:04:35,118 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24da85db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 10:04:35, skipping insertion in model container [2024-01-25 22:04:35,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:04:34" (2/3) ... [2024-01-25 22:04:35,119 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24da85db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 10:04:35, skipping insertion in model container [2024-01-25 22:04:35,119 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 10:04:35" (3/3) ... [2024-01-25 22:04:35,120 INFO L112 eAbstractionObserver]: Analyzing ICFG safe005_tso.i [2024-01-25 22:04:35,126 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-25 22:04:35,133 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-25 22:04:35,133 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-25 22:04:35,133 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-25 22:04:35,203 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-25 22:04:35,245 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-25 22:04:35,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-25 22:04:35,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-25 22:04:35,278 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 22:04:35,285 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 22:04:35,314 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-25 22:04:35,320 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-25 22:04:35,325 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;@2c36d8d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-25 22:04:35,325 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Found a loop, use abstraction hammer [2024-01-25 22:04:35,415 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 22:04:35,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 22:04:35,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1796786968, now seen corresponding path program 1 times [2024-01-25 22:04:35,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 22:04:35,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064837471] [2024-01-25 22:04:35,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 22:04:35,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 22:04:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 22:04:35,780 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 22:04:35,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 22:04:35,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064837471] [2024-01-25 22:04:35,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064837471] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 22:04:35,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 22:04:35,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-25 22:04:35,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74742340] [2024-01-25 22:04:35,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 22:04:35,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-01-25 22:04:35,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 22:04:35,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-01-25 22:04:35,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-01-25 22:04:35,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:04:35,811 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 22:04:35,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 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 22:04:35,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:04:36,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:04:36,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-25 22:04:36,651 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 22:04:36,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 22:04:36,651 INFO L85 PathProgramCache]: Analyzing trace with hash -510779156, now seen corresponding path program 1 times [2024-01-25 22:04:36,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 22:04:36,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407377630] [2024-01-25 22:04:36,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 22:04:36,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 22:04:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 22:04:36,962 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 22:04:36,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 22:04:36,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407377630] [2024-01-25 22:04:36,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407377630] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 22:04:36,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 22:04:36,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-01-25 22:04:36,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896245870] [2024-01-25 22:04:36,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 22:04:36,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-01-25 22:04:36,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 22:04:36,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-01-25 22:04:36,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-01-25 22:04:36,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:04:36,965 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 22:04:36,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 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 22:04:36,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:04:36,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-01-25 22:19:18,213 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 22:19:18,213 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 22:19:18,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-25 22:19:18,569 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 22:19:18,571 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-25 22:19:18,603 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-01-25 22:19:18,604 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2024-01-25 22:19:18,606 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-25 22:19:18,607 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-25 22:19:18,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.01 10:19:18 BasicIcfg [2024-01-25 22:19:18,609 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-25 22:19:18,610 INFO L158 Benchmark]: Toolchain (without parser) took 884273.43ms. Allocated memory was 306.2MB in the beginning and 610.3MB in the end (delta: 304.1MB). Free memory was 257.1MB in the beginning and 308.6MB in the end (delta: -51.4MB). Peak memory consumption was 451.7MB. Max. memory is 8.0GB. [2024-01-25 22:19:18,611 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 213.9MB. Free memory was 167.1MB in the beginning and 166.9MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 8.0GB. [2024-01-25 22:19:18,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.80ms. Allocated memory is still 306.2MB. Free memory was 256.8MB in the beginning and 236.1MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-01-25 22:19:18,615 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.35ms. Allocated memory is still 306.2MB. Free memory was 236.1MB in the beginning and 234.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-25 22:19:18,615 INFO L158 Benchmark]: Boogie Preprocessor took 30.75ms. Allocated memory is still 306.2MB. Free memory was 234.1MB in the beginning and 232.6MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-01-25 22:19:18,616 INFO L158 Benchmark]: RCFGBuilder took 360.30ms. Allocated memory is still 306.2MB. Free memory was 232.4MB in the beginning and 218.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-01-25 22:19:18,616 INFO L158 Benchmark]: TraceAbstraction took 883493.24ms. Allocated memory was 306.2MB in the beginning and 610.3MB in the end (delta: 304.1MB). Free memory was 218.0MB in the beginning and 308.6MB in the end (delta: -90.6MB). Peak memory consumption was 412.9MB. Max. memory is 8.0GB. [2024-01-25 22:19:18,621 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 213.9MB. Free memory was 167.1MB in the beginning and 166.9MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 343.80ms. Allocated memory is still 306.2MB. Free memory was 256.8MB in the beginning and 236.1MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.35ms. Allocated memory is still 306.2MB. Free memory was 236.1MB in the beginning and 234.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.75ms. Allocated memory is still 306.2MB. Free memory was 234.1MB in the beginning and 232.6MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 360.30ms. Allocated memory is still 306.2MB. Free memory was 232.4MB in the beginning and 218.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 883493.24ms. Allocated memory was 306.2MB in the beginning and 610.3MB in the end (delta: 304.1MB). Free memory was 218.0MB in the beginning and 308.6MB in the end (delta: -90.6MB). Peak memory consumption was 412.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 37413, independent: 37193, independent conditional: 37193, independent unconditional: 0, dependent: 220, dependent conditional: 220, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 37411, independent: 37193, independent conditional: 37193, independent unconditional: 0, dependent: 218, dependent conditional: 218, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 37411, independent: 37193, independent conditional: 37193, independent unconditional: 0, dependent: 218, dependent conditional: 218, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 37847, independent: 37193, independent conditional: 0, independent unconditional: 37193, dependent: 654, dependent conditional: 436, dependent unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 37847, independent: 37193, independent conditional: 0, independent unconditional: 37193, dependent: 654, dependent conditional: 0, dependent unconditional: 654, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 37847, independent: 37193, independent conditional: 0, independent unconditional: 37193, dependent: 654, dependent conditional: 0, dependent unconditional: 654, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 37411, independent: 37193, independent conditional: 0, independent unconditional: 37193, dependent: 218, dependent conditional: 0, dependent unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 37411, independent: 37193, independent conditional: 0, independent unconditional: 37193, dependent: 218, dependent conditional: 0, dependent unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 218, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 218, dependent conditional: 0, dependent unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 218, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 218, dependent conditional: 0, dependent unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 218, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 218, dependent conditional: 0, dependent unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 309, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 309, dependent conditional: 0, dependent unconditional: 309, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 37847, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 436, dependent conditional: 0, dependent unconditional: 436, unknown: 37411, unknown conditional: 0, unknown unconditional: 37411] , Statistics on independence cache: Total cache size (in pairs): 37411, Positive cache size: 37193, Positive conditional cache size: 0, Positive unconditional cache size: 37193, Negative cache size: 218, Negative conditional cache size: 0, Negative unconditional cache size: 218, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 436, Maximal queried relation: 2, Independence queries for same thread: 2 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 4, Times there's more than one choice: 1, Avg number of choices: 1.25 - StatisticsResult: Reduction benchmarks 0.8s Time before loop, 0.0s Time in loop, 0.8s Time in total, Has Loop: false, Protected Variables: [], Protected Variables before encountering a loop: [] - TimeoutResultAtElement [Line: 18]: 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, 120 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 883.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 882.5s, 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: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 655 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown