/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/weaver/test-hard1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-26 02:14:09,157 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 02:14:09,212 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-01-26 02:14:09,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 02:14:09,215 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 02:14:09,215 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-01-26 02:14:09,238 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 02:14:09,238 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 02:14:09,239 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 02:14:09,241 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 02:14:09,242 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 02:14:09,242 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 02:14:09,242 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 02:14:09,243 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 02:14:09,243 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 02:14:09,243 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 02:14:09,243 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 02:14:09,244 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 02:14:09,244 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 02:14:09,244 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 02:14:09,244 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 02:14:09,244 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 02:14:09,245 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 02:14:09,245 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 02:14:09,245 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 02:14:09,246 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 02:14:09,246 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 02:14:09,246 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 02:14:09,246 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-26 02:14:09,246 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 02:14:09,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 02:14:09,247 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 02:14:09,247 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 02:14:09,247 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-01-26 02:14:09,247 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-01-26 02:14:09,248 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 02:14:09,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 02:14:09,248 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 02:14:09,248 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-26 02:14:09,248 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 02:14:09,248 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-01-26 02:14:09,249 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-01-26 02:14:09,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 02:14:09,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 02:14:09,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 02:14:09,415 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 02:14:09,422 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 02:14:09,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/test-hard1.wvr.c [2024-01-26 02:14:10,383 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 02:14:10,534 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 02:14:10,534 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-hard1.wvr.c [2024-01-26 02:14:10,540 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f348ad6f6/78393549871f41e4aa972582ab317306/FLAG3da081da1 [2024-01-26 02:14:10,549 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f348ad6f6/78393549871f41e4aa972582ab317306 [2024-01-26 02:14:10,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 02:14:10,552 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 02:14:10,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 02:14:10,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 02:14:10,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 02:14:10,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 02:14:10" (1/1) ... [2024-01-26 02:14:10,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e834f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:14:10, skipping insertion in model container [2024-01-26 02:14:10,558 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 02:14:10" (1/1) ... [2024-01-26 02:14:10,577 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 02:14:10,688 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-hard1.wvr.c[3425,3438] [2024-01-26 02:14:10,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 02:14:10,699 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 02:14:10,714 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-hard1.wvr.c[3425,3438] [2024-01-26 02:14:10,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 02:14:10,729 INFO L206 MainTranslator]: Completed translation [2024-01-26 02:14:10,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:14:10 WrapperNode [2024-01-26 02:14:10,730 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 02:14:10,730 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 02:14:10,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 02:14:10,731 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 02:14:10,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:14:10" (1/1) ... [2024-01-26 02:14:10,741 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:14:10" (1/1) ... [2024-01-26 02:14:10,754 INFO L138 Inliner]: procedures = 24, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-01-26 02:14:10,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 02:14:10,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 02:14:10,755 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 02:14:10,755 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 02:14:10,761 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:14:10" (1/1) ... [2024-01-26 02:14:10,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:14:10" (1/1) ... [2024-01-26 02:14:10,763 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:14:10" (1/1) ... [2024-01-26 02:14:10,763 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:14:10" (1/1) ... [2024-01-26 02:14:10,768 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:14:10" (1/1) ... [2024-01-26 02:14:10,771 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:14:10" (1/1) ... [2024-01-26 02:14:10,772 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:14:10" (1/1) ... [2024-01-26 02:14:10,772 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:14:10" (1/1) ... [2024-01-26 02:14:10,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 02:14:10,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 02:14:10,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 02:14:10,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 02:14:10,775 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:14:10" (1/1) ... [2024-01-26 02:14:10,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 02:14:10,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 02:14:10,795 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) [2024-01-26 02:14:10,801 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 [2024-01-26 02:14:10,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 02:14:10,816 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 02:14:10,816 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 02:14:10,816 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 02:14:10,816 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 02:14:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-26 02:14:10,817 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-26 02:14:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-26 02:14:10,817 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-26 02:14:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-26 02:14:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 02:14:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-26 02:14:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-26 02:14:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-26 02:14:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 02:14:10,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 02:14:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-01-26 02:14:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 02:14:10,820 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-26 02:14:10,885 INFO L241 CfgBuilder]: Building ICFG [2024-01-26 02:14:10,886 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 02:14:11,115 INFO L282 CfgBuilder]: Performing block encoding [2024-01-26 02:14:11,159 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 02:14:11,159 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-01-26 02:14:11,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 02:14:11 BoogieIcfgContainer [2024-01-26 02:14:11,160 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 02:14:11,161 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 02:14:11,161 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 02:14:11,163 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 02:14:11,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 02:14:10" (1/3) ... [2024-01-26 02:14:11,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be466be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 02:14:11, skipping insertion in model container [2024-01-26 02:14:11,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:14:10" (2/3) ... [2024-01-26 02:14:11,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be466be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 02:14:11, skipping insertion in model container [2024-01-26 02:14:11,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 02:14:11" (3/3) ... [2024-01-26 02:14:11,165 INFO L112 eAbstractionObserver]: Analyzing ICFG test-hard1.wvr.c [2024-01-26 02:14:11,171 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-26 02:14:11,177 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 02:14:11,178 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-26 02:14:11,178 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 02:14:11,264 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-26 02:14:11,293 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 02:14:11,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-26 02:14:11,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 02:14:11,296 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) [2024-01-26 02:14:11,299 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 [2024-01-26 02:14:11,330 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-26 02:14:11,340 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-26 02:14:11,346 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;@2faf488b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 02:14:11,346 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Found a loop, use abstraction hammer [2024-01-26 02:14:14,861 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 02:14:14,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 02:14:14,865 INFO L85 PathProgramCache]: Analyzing trace with hash 2057286258, now seen corresponding path program 1 times [2024-01-26 02:14:14,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 02:14:14,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101806908] [2024-01-26 02:14:14,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 02:14:14,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 02:14:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 02:14:15,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-01-26 02:14:15,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 02:14:15,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101806908] [2024-01-26 02:14:15,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101806908] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 02:14:15,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 02:14:15,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 02:14:15,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471148160] [2024-01-26 02:14:15,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 02:14:15,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-01-26 02:14:15,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 02:14:15,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-01-26 02:14:15,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-01-26 02:14:15,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:14:15,065 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 02:14:15,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 58.5) internal successors, (117), 2 states have internal predecessors, (117), 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) [2024-01-26 02:14:15,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-26 02:14:17,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:14:17,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-26 02:14:17,228 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 02:14:17,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 02:14:17,228 INFO L85 PathProgramCache]: Analyzing trace with hash 733207485, now seen corresponding path program 1 times [2024-01-26 02:14:17,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 02:14:17,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703901086] [2024-01-26 02:14:17,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 02:14:17,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 02:14:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 02:14:18,605 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 02:14:18,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 02:14:18,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703901086] [2024-01-26 02:14:18,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703901086] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 02:14:18,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620333630] [2024-01-26 02:14:18,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 02:14:18,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 02:14:18,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 02:14:18,650 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 02:14:18,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-01-26 02:14:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 02:14:18,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 26 conjunts are in the unsatisfiable core [2024-01-26 02:14:18,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 02:14:19,574 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 02:14:19,575 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 02:14:20,552 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 02:14:20,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620333630] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 02:14:20,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 02:14:20,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 17] total 44 [2024-01-26 02:14:20,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586430828] [2024-01-26 02:14:20,554 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 02:14:20,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-01-26 02:14:20,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 02:14:20,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-01-26 02:14:20,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=288, Invalid=1604, Unknown=0, NotChecked=0, Total=1892 [2024-01-26 02:14:20,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:14:20,559 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 02:14:20,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 5.9772727272727275) internal successors, (263), 44 states have internal predecessors, (263), 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) [2024-01-26 02:14:20,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:14:20,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-26 02:14:33,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:14:33,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-01-26 02:14:33,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-01-26 02:14:33,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-01-26 02:14:33,213 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 02:14:33,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 02:14:33,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1725546437, now seen corresponding path program 1 times [2024-01-26 02:14:33,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 02:14:33,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444980439] [2024-01-26 02:14:33,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 02:14:33,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 02:14:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 02:14:33,494 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-01-26 02:14:33,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 02:14:33,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444980439] [2024-01-26 02:14:33,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444980439] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 02:14:33,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938188347] [2024-01-26 02:14:33,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 02:14:33,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 02:14:33,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 02:14:33,496 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 02:14:33,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-01-26 02:14:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 02:14:33,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 6 conjunts are in the unsatisfiable core [2024-01-26 02:14:33,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 02:14:33,656 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-01-26 02:14:33,657 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 02:14:33,691 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-01-26 02:14:33,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938188347] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 02:14:33,694 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 02:14:33,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-01-26 02:14:33,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704613844] [2024-01-26 02:14:33,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 02:14:33,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-01-26 02:14:33,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 02:14:33,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-01-26 02:14:33,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-01-26 02:14:33,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:14:33,696 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 02:14:33,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.181818181818182) internal successors, (156), 11 states have internal predecessors, (156), 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) [2024-01-26 02:14:33,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:14:33,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-01-26 02:14:33,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Received shutdown request... [2024-01-26 02:28:51,435 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-26 02:28:51,437 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 [2024-01-26 02:28:51,437 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 [2024-01-26 02:28:51,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-01-26 02:28:51,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 02:28:51,817 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2024-01-26 02:28:51,819 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-26 02:28:51,864 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-01-26 02:28:51,865 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/5) [2024-01-26 02:28:51,866 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-26 02:28:51,867 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-26 02:28:51,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 02:28:51 BasicIcfg [2024-01-26 02:28:51,868 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-26 02:28:51,869 INFO L158 Benchmark]: Toolchain (without parser) took 881316.78ms. Allocated memory was 218.1MB in the beginning and 692.1MB in the end (delta: 474.0MB). Free memory was 168.5MB in the beginning and 291.8MB in the end (delta: -123.3MB). Peak memory consumption was 539.7MB. Max. memory is 8.0GB. [2024-01-26 02:28:51,869 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 218.1MB. Free memory was 164.9MB in the beginning and 164.8MB in the end (delta: 150.4kB). There was no memory consumed. Max. memory is 8.0GB. [2024-01-26 02:28:51,869 INFO L158 Benchmark]: CACSL2BoogieTranslator took 177.12ms. Allocated memory is still 218.1MB. Free memory was 168.1MB in the beginning and 155.9MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-01-26 02:28:51,869 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.06ms. Allocated memory is still 218.1MB. Free memory was 155.9MB in the beginning and 154.2MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-01-26 02:28:51,869 INFO L158 Benchmark]: Boogie Preprocessor took 19.38ms. Allocated memory is still 218.1MB. Free memory was 154.2MB in the beginning and 152.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-26 02:28:51,870 INFO L158 Benchmark]: RCFGBuilder took 385.02ms. Allocated memory is still 218.1MB. Free memory was 152.4MB in the beginning and 130.4MB in the end (delta: 22.0MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2024-01-26 02:28:51,870 INFO L158 Benchmark]: TraceAbstraction took 880707.20ms. Allocated memory was 218.1MB in the beginning and 692.1MB in the end (delta: 474.0MB). Free memory was 129.7MB in the beginning and 291.8MB in the end (delta: -162.1MB). Peak memory consumption was 500.9MB. Max. memory is 8.0GB. [2024-01-26 02:28:51,871 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 218.1MB. Free memory was 164.9MB in the beginning and 164.8MB in the end (delta: 150.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 177.12ms. Allocated memory is still 218.1MB. Free memory was 168.1MB in the beginning and 155.9MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.06ms. Allocated memory is still 218.1MB. Free memory was 155.9MB in the beginning and 154.2MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.38ms. Allocated memory is still 218.1MB. Free memory was 154.2MB in the beginning and 152.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 385.02ms. Allocated memory is still 218.1MB. Free memory was 152.4MB in the beginning and 130.4MB in the end (delta: 22.0MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 880707.20ms. Allocated memory was 218.1MB in the beginning and 692.1MB in the end (delta: 474.0MB). Free memory was 129.7MB in the beginning and 291.8MB in the end (delta: -162.1MB). Peak memory consumption was 500.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 45960, independent: 41997, independent conditional: 41997, independent unconditional: 0, dependent: 3949, dependent conditional: 3949, dependent unconditional: 0, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 42529, independent: 41997, independent conditional: 41997, independent unconditional: 0, dependent: 518, dependent conditional: 518, dependent unconditional: 0, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 42529, independent: 41997, independent conditional: 41997, independent unconditional: 0, dependent: 518, dependent conditional: 518, dependent unconditional: 0, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43725, independent: 41997, independent conditional: 0, independent unconditional: 41997, dependent: 1682, dependent conditional: 1164, dependent unconditional: 518, unknown: 46, unknown conditional: 32, unknown unconditional: 14] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 43725, independent: 41997, independent conditional: 0, independent unconditional: 41997, dependent: 1682, dependent conditional: 0, dependent unconditional: 1682, unknown: 46, unknown conditional: 0, unknown unconditional: 46] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 43725, independent: 41997, independent conditional: 0, independent unconditional: 41997, dependent: 1682, dependent conditional: 0, dependent unconditional: 1682, unknown: 46, unknown conditional: 0, unknown unconditional: 46] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 42529, independent: 41997, independent conditional: 0, independent unconditional: 41997, dependent: 518, dependent conditional: 0, dependent unconditional: 518, unknown: 14, unknown conditional: 0, unknown unconditional: 14] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 42529, independent: 41997, independent conditional: 0, independent unconditional: 41997, dependent: 532, dependent conditional: 0, dependent unconditional: 532, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 532, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 518, dependent conditional: 0, dependent unconditional: 518, unknown: 14, unknown conditional: 0, unknown unconditional: 14] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 532, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 518, dependent conditional: 0, dependent unconditional: 518, unknown: 14, unknown conditional: 0, unknown unconditional: 14] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 532, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 518, dependent conditional: 0, dependent unconditional: 518, unknown: 14, unknown conditional: 0, unknown unconditional: 14] , SemanticIndependenceRelation.Query Time [ms]: [ total: 18163, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8016, dependent conditional: 0, dependent unconditional: 8016, unknown: 10147, unknown conditional: 0, unknown unconditional: 10147] , Protected Queries: 0 ], Cache Queries: [ total: 43725, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1164, dependent conditional: 0, dependent unconditional: 1164, unknown: 42561, unknown conditional: 0, unknown unconditional: 42561] , Statistics on independence cache: Total cache size (in pairs): 42515, Positive cache size: 41997, Positive conditional cache size: 0, Positive unconditional cache size: 41997, Negative cache size: 518, Negative conditional cache size: 0, Negative unconditional cache size: 518, Unknown cache size: 14, Unknown conditional cache size: 0, Unknown unconditional cache size: 14, Eliminated conditions: 1196, Maximal queried relation: 3, Independence queries for same thread: 3431 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 1, RedundantProofs: 1, ProvenStates: 3658, Times there's more than one choice: 3146, Avg number of choices: 2.566976489885183 - StatisticsResult: Reduction benchmarks 0.4s Time before loop, 12.0s Time in loop, 12.4s Time in total, Has Loop: true, Protected Variables: [write~init~int_#value, ULTIMATE.start_main_~#t4~0#1.offset, write~int_#ptr.base, thread1_~cond~0, thread2_~cond~1, thread3_~cond~2, thread4_~cond~3, thread3Thread1of1ForFork3_#in~_argptr.base, ULTIMATE.start_main_#t~mem16#1, ULTIMATE.start_main_#t~mem17#1, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_main_#t~nondet4#1, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_#t~nondet6#1, ULTIMATE.start_main_#t~nondet7#1, ULTIMATE.start_main_#t~nondet9#1, thread2Thread1of1ForFork2_#res.offset, ULTIMATE.start_main_~#t3~0#1.offset, thread1Thread1of1ForFork0_~cond~0, thread3Thread1of1ForFork3_~_argptr.base, read~int_#ptr.base, ULTIMATE.start_#t~ret20#1, thread1_#res.offset, thread2_#res.offset, thread3_#res.offset, thread4_#res.offset, thread2Thread1of1ForFork2_~_argptr.offset, thread4Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork2_thidvar0, old(thread2Thread1of1ForFork2_thidvar0), thread2Thread1of1ForFork2_thidvar1, old(thread2Thread1of1ForFork2_thidvar1), thread2Thread1of1ForFork2_thidvar2, old(thread2Thread1of1ForFork2_thidvar2), thread2Thread1of1ForFork2_#in~_argptr.base, ULTIMATE.start_main_~#t2~0#1.offset, #Ultimate.allocOnStack_~size, thread4Thread1of1ForFork1_#in~_argptr.offset, thread1Thread1of1ForFork0_#res.offset, thread1_~_argptr.offset, thread2_~_argptr.offset, thread3_~_argptr.offset, thread4_~_argptr.offset, read~int_#sizeOfReadType, write~init~int_#sizeOfWrittenType, thread1_#in~_argptr.base, thread2_#in~_argptr.base, thread3_#in~_argptr.base, thread4_#in~_argptr.base, thread2Thread1of1ForFork2_~_argptr.base, ULTIMATE.start_main_~#t1~0#1.offset, ~n1~0, old(~n1~0), ~n2~0, old(~n2~0), ~p1~0, old(~p1~0), ~p2~0, old(~p2~0), thread1Thread1of1ForFork0_~_argptr.offset, thread3Thread1of1ForFork3_#res.base, ULTIMATE.start_main_#t~pre10#1, ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~pre14#1, #Ultimate.allocOnStack_#res.offset, ULTIMATE.dealloc_~addr.offset, thread1Thread1of1ForFork0_#in~_argptr.base, write~int_#value, write~init~int_#ptr.offset, thread1_~_argptr.base, thread2_~_argptr.base, thread3_~_argptr.base, thread4_~_argptr.base, ULTIMATE.dealloc_~addr.base, thread3Thread1of1ForFork3_#in~_argptr.offset, ULTIMATE.start_assume_abort_if_not_~cond#1, #pthreadsForks, old(#pthreadsForks), thread3Thread1of1ForFork3_#t~post2, ~m~0, old(~m~0), thread1Thread1of1ForFork0_~_argptr.base, thread4Thread1of1ForFork1_~cond~3, #valid, old(#valid), read~int_#value, #Ultimate.allocInit_~size, thread2Thread1of1ForFork2_#res.base, write~init~int_#ptr.base, thread2Thread1of1ForFork2_#in~_argptr.offset, thread1_#res.base, thread2_#res.base, thread3_#res.base, thread4_#res.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread4Thread1of1ForFork1_#res.offset, #Ultimate.allocInit_ptrBase, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~nondet13#1, ULTIMATE.start_main_#t~nondet15#1, ULTIMATE.start_main_~#t1~0#1.base, #length, old(#length), ULTIMATE.start_main_~#t2~0#1.base, thread3Thread1of1ForFork3_~cond~2, write~int_#sizeOfWrittenType, thread1_#in~_argptr.offset, thread2_#in~_argptr.offset, thread3_#in~_argptr.offset, thread4_#in~_argptr.offset, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, old(#StackHeapBarrier), thread1Thread1of1ForFork0_#res.base, thread4Thread1of1ForFork1_~_argptr.offset, ULTIMATE.start_main_~#t4~0#1.base, thread1_#t~post1, thread3_#t~post2, thread4Thread1of1ForFork1_#in~_argptr.base, thread1Thread1of1ForFork0_#in~_argptr.offset, thread1Thread1of1ForFork0_thidvar0, old(thread1Thread1of1ForFork0_thidvar0), thread1Thread1of1ForFork0_thidvar1, old(thread1Thread1of1ForFork0_thidvar1), write~int_#ptr.offset, ULTIMATE.start_main_#t~pre8#1, thread3Thread1of1ForFork3_#res.offset, #memory_int, old(#memory_int), thread1Thread1of1ForFork0_#t~post1, #Ultimate.allocOnStack_#res.base, thread4Thread1of1ForFork1_thidvar0, old(thread4Thread1of1ForFork1_thidvar0), thread4Thread1of1ForFork1_thidvar1, old(thread4Thread1of1ForFork1_thidvar1), thread4Thread1of1ForFork1_thidvar2, old(thread4Thread1of1ForFork1_thidvar2), thread4Thread1of1ForFork1_thidvar3, old(thread4Thread1of1ForFork1_thidvar3), thread4Thread1of1ForFork1_thidvar4, old(thread4Thread1of1ForFork1_thidvar4), thread3Thread1of1ForFork3_thidvar0, old(thread3Thread1of1ForFork3_thidvar0), thread3Thread1of1ForFork3_thidvar1, old(thread3Thread1of1ForFork3_thidvar1), thread3Thread1of1ForFork3_thidvar2, old(thread3Thread1of1ForFork3_thidvar2), thread3Thread1of1ForFork3_thidvar3, old(thread3Thread1of1ForFork3_thidvar3), thread2Thread1of1ForFork2_~cond~1, thread4Thread1of1ForFork1_~_argptr.base, thread3Thread1of1ForFork3_~_argptr.offset, read~int_#ptr.offset], Protected Variables before encountering a loop: [] - TimeoutResultAtElement [Line: 139]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 9 procedures, 167 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 880.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 876.0s, 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: 58, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 619 NumberOfCodeBlocks, 619 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 863 ConstructedInterpolants, 0 QuantifiedInterpolants, 3354 SizeOfPredicates, 20 NumberOfNonLiveVariables, 648 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 293/319 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