/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/sync01.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-25 21:33:18,166 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-25 21:33:18,208 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-01-25 21:33:18,211 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-25 21:33:18,211 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-25 21:33:18,211 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-01-25 21:33:18,224 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-25 21:33:18,224 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-25 21:33:18,224 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-25 21:33:18,225 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-25 21:33:18,225 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-25 21:33:18,225 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-25 21:33:18,226 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-25 21:33:18,226 INFO L153 SettingsManager]: * Use SBE=true [2024-01-25 21:33:18,226 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-25 21:33:18,226 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-25 21:33:18,227 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-25 21:33:18,227 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-25 21:33:18,227 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-25 21:33:18,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-25 21:33:18,228 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-25 21:33:18,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-25 21:33:18,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-25 21:33:18,228 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-25 21:33:18,229 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-25 21:33:18,229 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-25 21:33:18,229 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-25 21:33:18,229 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-25 21:33:18,230 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-25 21:33:18,230 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-25 21:33:18,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-25 21:33:18,230 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-25 21:33:18,231 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-25 21:33:18,231 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-01-25 21:33:18,231 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-01-25 21:33:18,231 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-25 21:33:18,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-25 21:33:18,232 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-25 21:33:18,232 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-25 21:33:18,232 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-25 21:33:18,233 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-01-25 21:33:18,234 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-01-25 21:33:18,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-25 21:33:18,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-25 21:33:18,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-25 21:33:18,433 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-25 21:33:18,433 INFO L274 PluginConnector]: CDTParser initialized [2024-01-25 21:33:18,434 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/sync01.i [2024-01-25 21:33:19,413 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-25 21:33:19,586 INFO L384 CDTParser]: Found 1 translation units. [2024-01-25 21:33:19,586 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i [2024-01-25 21:33:19,598 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2843b70ad/fe490289fc9048c6abf7c12ec1a1eae9/FLAGfd4457dbf [2024-01-25 21:33:19,607 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2843b70ad/fe490289fc9048c6abf7c12ec1a1eae9 [2024-01-25 21:33:19,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-25 21:33:19,610 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-25 21:33:19,611 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-25 21:33:19,611 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-25 21:33:19,614 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-25 21:33:19,615 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 09:33:19" (1/1) ... [2024-01-25 21:33:19,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c91ec41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:33:19, skipping insertion in model container [2024-01-25 21:33:19,621 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 09:33:19" (1/1) ... [2024-01-25 21:33:19,669 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-25 21:33:19,937 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/sync01.i[42004,42017] [2024-01-25 21:33:19,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-25 21:33:19,949 INFO L202 MainTranslator]: Completed pre-run [2024-01-25 21:33:19,976 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/sync01.i[42004,42017] [2024-01-25 21:33:19,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-25 21:33:20,011 INFO L206 MainTranslator]: Completed translation [2024-01-25 21:33:20,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:33:20 WrapperNode [2024-01-25 21:33:20,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-25 21:33:20,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-25 21:33:20,012 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-25 21:33:20,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-25 21:33:20,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:33:20" (1/1) ... [2024-01-25 21:33:20,031 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:33:20" (1/1) ... [2024-01-25 21:33:20,044 INFO L138 Inliner]: procedures = 269, calls = 50, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 72 [2024-01-25 21:33:20,044 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-25 21:33:20,045 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-25 21:33:20,045 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-25 21:33:20,045 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-25 21:33:20,049 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:33:20" (1/1) ... [2024-01-25 21:33:20,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:33:20" (1/1) ... [2024-01-25 21:33:20,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:33:20" (1/1) ... [2024-01-25 21:33:20,052 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:33:20" (1/1) ... [2024-01-25 21:33:20,067 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:33:20" (1/1) ... [2024-01-25 21:33:20,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:33:20" (1/1) ... [2024-01-25 21:33:20,070 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:33:20" (1/1) ... [2024-01-25 21:33:20,071 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:33:20" (1/1) ... [2024-01-25 21:33:20,077 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-25 21:33:20,078 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-25 21:33:20,078 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-25 21:33:20,078 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-25 21:33:20,079 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:33:20" (1/1) ... [2024-01-25 21:33:20,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-25 21:33:20,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-25 21:33:20,108 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 21:33:20,134 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 21:33:20,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-25 21:33:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-25 21:33:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-25 21:33:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-01-25 21:33:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-25 21:33:20,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-25 21:33:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-25 21:33:20,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-25 21:33:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-25 21:33:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-25 21:33:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-25 21:33:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-25 21:33:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-25 21:33:20,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-25 21:33:20,139 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 21:33:20,232 INFO L241 CfgBuilder]: Building ICFG [2024-01-25 21:33:20,233 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-25 21:33:20,350 INFO L282 CfgBuilder]: Performing block encoding [2024-01-25 21:33:20,378 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-25 21:33:20,378 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-01-25 21:33:20,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 09:33:20 BoogieIcfgContainer [2024-01-25 21:33:20,379 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-25 21:33:20,380 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-25 21:33:20,380 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-25 21:33:20,382 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-25 21:33:20,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.01 09:33:19" (1/3) ... [2024-01-25 21:33:20,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@710e8428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 09:33:20, skipping insertion in model container [2024-01-25 21:33:20,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:33:20" (2/3) ... [2024-01-25 21:33:20,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@710e8428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 09:33:20, skipping insertion in model container [2024-01-25 21:33:20,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 09:33:20" (3/3) ... [2024-01-25 21:33:20,383 INFO L112 eAbstractionObserver]: Analyzing ICFG sync01.i [2024-01-25 21:33:20,394 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-25 21:33:20,401 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-25 21:33:20,401 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-25 21:33:20,401 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-25 21:33:20,437 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-25 21:33:20,463 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-25 21:33:20,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-25 21:33:20,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-25 21:33:20,464 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 21:33:20,466 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 21:33:20,509 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-25 21:33:20,515 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-25 21:33:20,520 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;@3a751feb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-25 21:33:20,521 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. 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 [2024-01-25 21:33:20,617 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 21:33:20,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 21:33:20,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1306713643, now seen corresponding path program 1 times [2024-01-25 21:33:20,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 21:33:20,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303737855] [2024-01-25 21:33:20,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 21:33:20,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 21:33:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 21:33:20,934 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-01-25 21:33:20,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 21:33:20,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303737855] [2024-01-25 21:33:20,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303737855] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 21:33:20,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 21:33:20,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-25 21:33:20,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958568614] [2024-01-25 21:33:20,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 21:33:20,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-25 21:33:20,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 21:33:20,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-25 21:33:20,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-25 21:33:20,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 21:33:20,955 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 21:33:20,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-25 21:33:20,956 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 [2024-01-25 21:33:21,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-25 21:33:21,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-25 21:33:21,022 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 21:33:21,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 21:33:21,024 INFO L85 PathProgramCache]: Analyzing trace with hash -523708066, now seen corresponding path program 1 times [2024-01-25 21:33:21,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 21:33:21,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92764201] [2024-01-25 21:33:21,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 21:33:21,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 21:33:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 21:33:21,305 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-01-25 21:33:21,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 21:33:21,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92764201] [2024-01-25 21:33:21,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92764201] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-25 21:33:21,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919787634] [2024-01-25 21:33:21,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 21:33:21,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-25 21:33:21,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-25 21:33:21,368 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) [2024-01-25 21:33:21,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-01-25 21:33:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 21:33:21,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 9 conjunts are in the unsatisfiable core [2024-01-25 21:33:21,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-25 21:33:21,624 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-25 21:33:21,625 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-25 21:33:21,686 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-25 21:33:21,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919787634] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-25 21:33:21,686 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-25 21:33:21,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 9 [2024-01-25 21:33:21,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749266002] [2024-01-25 21:33:21,687 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-25 21:33:21,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-01-25 21:33:21,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 21:33:21,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-01-25 21:33:21,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-01-25 21:33:21,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 21:33:21,691 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 21:33:21,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.11111111111111) internal successors, (118), 9 states have internal predecessors, (118), 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 21:33:21,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-25 21:33:21,691 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 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 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 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 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 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 [2024-01-25 21:33:30,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-25 21:33:30,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-01-25 21:33:30,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-25 21:33:30,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-01-25 21:33:30,787 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 [2024-01-25 21:33:30,794 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-01-25 21:33:30,795 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/3) [2024-01-25 21:33:30,798 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-25 21:33:30,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-25 21:33:30,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-25 21:33:30,800 INFO L229 MonitoredProcess]: Starting monitored process 4 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 21:33:30,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-01-25 21:33:30,803 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-25 21:33:30,804 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-01-25 21:33:30,804 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;@3a751feb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-25 21:33:30,804 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-01-25 21:33:30,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-01-25 21:33:30,807 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-01-25 21:33:30,808 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/3) [2024-01-25 21:33:30,809 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-25 21:33:30,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-25 21:33:30,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-25 21:33:30,811 INFO L229 MonitoredProcess]: Starting monitored process 5 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 21:33:30,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2024-01-25 21:33:30,817 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-25 21:33:30,817 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-01-25 21:33:30,818 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;@3a751feb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-25 21:33:30,818 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. 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 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 [2024-01-25 21:33:30,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-01-25 21:33:30,842 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-01-25 21:33:30,843 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/3) [2024-01-25 21:33:30,843 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-25 21:33:30,843 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-25 21:33:30,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.01 09:33:30 BasicIcfg [2024-01-25 21:33:30,846 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-25 21:33:30,846 INFO L158 Benchmark]: Toolchain (without parser) took 11236.25ms. Allocated memory is still 292.6MB. Free memory was 240.2MB in the beginning and 121.3MB in the end (delta: 118.9MB). Peak memory consumption was 120.2MB. Max. memory is 8.0GB. [2024-01-25 21:33:30,846 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 235.9MB. Free memory was 188.1MB in the beginning and 188.0MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 8.0GB. [2024-01-25 21:33:30,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.54ms. Allocated memory is still 292.6MB. Free memory was 239.9MB in the beginning and 210.8MB in the end (delta: 29.1MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2024-01-25 21:33:30,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.44ms. Allocated memory is still 292.6MB. Free memory was 210.8MB in the beginning and 208.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-25 21:33:30,847 INFO L158 Benchmark]: Boogie Preprocessor took 32.87ms. Allocated memory is still 292.6MB. Free memory was 208.5MB in the beginning and 260.4MB in the end (delta: -51.9MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. [2024-01-25 21:33:30,847 INFO L158 Benchmark]: RCFGBuilder took 300.78ms. Allocated memory is still 292.6MB. Free memory was 260.4MB in the beginning and 242.6MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2024-01-25 21:33:30,848 INFO L158 Benchmark]: TraceAbstraction took 10465.91ms. Allocated memory is still 292.6MB. Free memory was 241.6MB in the beginning and 121.3MB in the end (delta: 120.2MB). Peak memory consumption was 120.8MB. Max. memory is 8.0GB. [2024-01-25 21:33:30,849 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 235.9MB. Free memory was 188.1MB in the beginning and 188.0MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 400.54ms. Allocated memory is still 292.6MB. Free memory was 239.9MB in the beginning and 210.8MB in the end (delta: 29.1MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.44ms. Allocated memory is still 292.6MB. Free memory was 210.8MB in the beginning and 208.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.87ms. Allocated memory is still 292.6MB. Free memory was 208.5MB in the beginning and 260.4MB in the end (delta: -51.9MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. * RCFGBuilder took 300.78ms. Allocated memory is still 292.6MB. Free memory was 260.4MB in the beginning and 242.6MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 10465.91ms. Allocated memory is still 292.6MB. Free memory was 241.6MB in the beginning and 121.3MB in the end (delta: 120.2MB). Peak memory consumption was 120.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4719, independent: 4511, independent conditional: 4511, independent unconditional: 0, dependent: 208, dependent conditional: 208, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4586, independent: 4511, independent conditional: 4511, independent unconditional: 0, dependent: 75, dependent conditional: 75, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4586, independent: 4511, independent conditional: 4511, independent unconditional: 0, dependent: 75, dependent conditional: 75, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4731, independent: 4511, independent conditional: 0, independent unconditional: 4511, dependent: 220, dependent conditional: 145, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4731, independent: 4511, independent conditional: 0, independent unconditional: 4511, dependent: 220, dependent conditional: 0, dependent unconditional: 220, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4731, independent: 4511, independent conditional: 0, independent unconditional: 4511, dependent: 220, dependent conditional: 0, dependent unconditional: 220, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4586, independent: 4511, independent conditional: 0, independent unconditional: 4511, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4586, independent: 4464, independent conditional: 0, independent unconditional: 4464, dependent: 122, dependent conditional: 0, dependent unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 122, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 122, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 122, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, independent: 82, independent conditional: 0, independent unconditional: 82, dependent: 83, dependent conditional: 0, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4731, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 145, dependent conditional: 0, dependent unconditional: 145, unknown: 4586, unknown conditional: 0, unknown unconditional: 4586] , Statistics on independence cache: Total cache size (in pairs): 4586, Positive cache size: 4511, Positive conditional cache size: 0, Positive unconditional cache size: 4511, Negative cache size: 75, Negative conditional cache size: 0, Negative unconditional cache size: 75, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 145, Maximal queried relation: 2, Independence queries for same thread: 133 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 272, Times there's more than one choice: 216, Avg number of choices: 1.7941176470588236 - StatisticsResult: Reduction benchmarks 0.0s Time before loop, 8.8s Time in loop, 8.9s Time in total, Has Loop: true, Protected Variables: [write~init~int_#value, ~tzname~0.offset, old(~tzname~0.offset), thread2Thread1of1ForFork0_thidvar0, old(thread2Thread1of1ForFork0_thidvar0), thread2Thread1of1ForFork0_thidvar1, old(thread2Thread1of1ForFork0_thidvar1), thread2Thread1of1ForFork0_thidvar2, old(thread2Thread1of1ForFork0_thidvar2), write~int_#ptr.base, thread1_~arg.base, thread2_~arg.base, ~stdout~0.base, old(~stdout~0.base), ~timezone~0, old(~timezone~0), thread1_#in~arg.base, thread2_#in~arg.base, ULTIMATE.start_main_#t~mem45#1, ULTIMATE.start_main_#t~mem46#1, ~__daylight~0, old(~__daylight~0), ULTIMATE.start_main_#res#1, thread2Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork1_~arg.base, thread1Thread1of1ForFork1_#in~arg.base, read~int_#ptr.base, #PthreadsMutexLock_#inputPtr.offset, thread1_#res.offset, thread2_#res.offset, ULTIMATE.start_#t~ret47#1, ~stderr~0.base, old(~stderr~0.base), thread2Thread1of1ForFork0_#in~arg.offset, ~#full~0.offset, old(~#full~0.offset), ~#empty~0.offset, old(~#empty~0.offset), ~sys_nerr~0, old(~sys_nerr~0), ~stdout~0.offset, old(~stdout~0.offset), ULTIMATE.start_main_~#t2~0#1.offset, #Ultimate.allocOnStack_~size, ~#empty~0.base, old(~#empty~0.base), thread1Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork0_#t~post39, ~num~0, old(~num~0), thread1_#in~arg.offset, thread2_#in~arg.offset, read~int_#sizeOfReadType, write~init~int_#sizeOfWrittenType, ~daylight~0, old(~daylight~0), ~tzname~0.base, old(~tzname~0.base), ULTIMATE.start_main_~#t1~0#1.offset, ~#full~0.base, old(~#full~0.base), thread1_#t~post34, thread2_#t~post39, thread1Thread1of1ForFork1_#in~arg.offset, #PthreadsMutexUnlock_#inputPtr.base, #Ultimate.allocOnStack_#res.offset, ULTIMATE.dealloc_~addr.offset, ULTIMATE.start_main_#t~pre41#1, ~__tzname~0.offset, old(~__tzname~0.offset), ULTIMATE.start_main_#t~pre43#1, write~int_#value, write~init~int_#ptr.offset, ULTIMATE.dealloc_~addr.base, thread1Thread1of1ForFork1_thidvar0, old(thread1Thread1of1ForFork1_thidvar0), thread1Thread1of1ForFork1_thidvar1, old(thread1Thread1of1ForFork1_thidvar1), thread2Thread1of1ForFork0_~arg.offset, thread1Thread1of1ForFork1_#t~post34, #pthreadsForks, old(#pthreadsForks), #valid, old(#valid), #pthreadsMutex, old(#pthreadsMutex), thread1_~arg.offset, thread2_~arg.offset, read~int_#value, #Ultimate.allocInit_~size, thread2Thread1of1ForFork0_#res.base, #PthreadsMutexLock_#inputPtr.base, write~init~int_#ptr.base, #PthreadsMutexUnlock_#res, ~stderr~0.offset, old(~stderr~0.offset), thread1Thread1of1ForFork1_~arg.offset, thread1_#res.base, thread2_#res.base, ~#m~0.offset, old(~#m~0.offset), ~#m~0.base, old(~#m~0.base), #Ultimate.allocInit_ptrBase, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_#t~nondet42#1, ULTIMATE.start_main_#t~nondet44#1, #length, old(#length), thread2Thread1of1ForFork0_#t~nondet36, thread2Thread1of1ForFork0_#t~nondet37, thread2Thread1of1ForFork0_#t~nondet38, thread2Thread1of1ForFork0_#t~nondet40, ULTIMATE.start_main_~#t2~0#1.base, ~stdin~0.base, old(~stdin~0.base), write~int_#sizeOfWrittenType, #StackHeapBarrier, old(#StackHeapBarrier), thread1Thread1of1ForFork1_#res.base, ~__timezone~0, old(~__timezone~0), #PthreadsMutexLock_#res, thread1_#t~nondet31, thread1_#t~nondet32, thread1_#t~nondet33, thread1_#t~nondet35, thread2_#t~nondet36, thread2_#t~nondet37, thread2_#t~nondet38, thread2_#t~nondet40, write~int_#ptr.offset, ~__tzname~0.base, old(~__tzname~0.base), ~stdin~0.offset, old(~stdin~0.offset), #memory_int, old(#memory_int), #Ultimate.allocOnStack_#res.base, thread1Thread1of1ForFork1_#t~nondet31, thread1Thread1of1ForFork1_#t~nondet32, thread1Thread1of1ForFork1_#t~nondet33, thread1Thread1of1ForFork1_#t~nondet35, thread2Thread1of1ForFork0_~arg.base, thread2Thread1of1ForFork0_#in~arg.base, read~int_#ptr.offset, #PthreadsMutexUnlock_#inputPtr.offset], Protected Variables before encountering a loop: [] - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 0, Times there's more than one choice: 0, Avg number of choices: NaN - StatisticsResult: Reduction benchmarks 0.0s Time before loop, 0.0s Time in loop, 0.0s Time in total, Has Loop: false, Protected Variables: [], Protected Variables before encountering a loop: [] - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 132, independent: 120, independent conditional: 120, independent unconditional: 0, dependent: 12, dependent conditional: 12, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 120, independent: 120, independent conditional: 120, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 120, independent: 120, independent conditional: 120, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 120, independent: 120, independent conditional: 0, independent unconditional: 120, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 120, independent: 120, independent conditional: 0, independent unconditional: 120, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 120, independent: 120, independent conditional: 0, independent unconditional: 120, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 120, independent: 120, independent conditional: 0, independent unconditional: 120, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 120, independent: 120, independent conditional: 0, independent unconditional: 120, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 120, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 120, unknown conditional: 0, unknown unconditional: 120] , Statistics on independence cache: Total cache size (in pairs): 120, Positive cache size: 120, Positive conditional cache size: 0, Positive unconditional cache size: 120, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 12 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 0, Times there's more than one choice: 0, Avg number of choices: NaN - StatisticsResult: Reduction benchmarks 0.0s Time before loop, 0.0s Time in loop, 0.0s Time in total, Has Loop: true, Protected Variables: [write~init~int_#value, ~tzname~0.offset, old(~tzname~0.offset), thread2Thread1of1ForFork0_thidvar0, old(thread2Thread1of1ForFork0_thidvar0), thread2Thread1of1ForFork0_thidvar1, old(thread2Thread1of1ForFork0_thidvar1), thread2Thread1of1ForFork0_thidvar2, old(thread2Thread1of1ForFork0_thidvar2), write~int_#ptr.base, thread1_~arg.base, thread2_~arg.base, ~stdout~0.base, old(~stdout~0.base), ~timezone~0, old(~timezone~0), thread1_#in~arg.base, thread2_#in~arg.base, ULTIMATE.start_main_#t~mem45#1, ULTIMATE.start_main_#t~mem46#1, ~__daylight~0, old(~__daylight~0), ULTIMATE.start_main_#res#1, thread2Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork1_~arg.base, thread1Thread1of1ForFork1_#in~arg.base, read~int_#ptr.base, #PthreadsMutexLock_#inputPtr.offset, thread1_#res.offset, thread2_#res.offset, ULTIMATE.start_#t~ret47#1, ~stderr~0.base, old(~stderr~0.base), thread2Thread1of1ForFork0_#in~arg.offset, ~#full~0.offset, old(~#full~0.offset), ~#empty~0.offset, old(~#empty~0.offset), ~sys_nerr~0, old(~sys_nerr~0), ~stdout~0.offset, old(~stdout~0.offset), ULTIMATE.start_main_~#t2~0#1.offset, #Ultimate.allocOnStack_~size, ~#empty~0.base, old(~#empty~0.base), thread1Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork0_#t~post39, ~num~0, old(~num~0), thread1_#in~arg.offset, thread2_#in~arg.offset, read~int_#sizeOfReadType, write~init~int_#sizeOfWrittenType, ~daylight~0, old(~daylight~0), ~tzname~0.base, old(~tzname~0.base), ULTIMATE.start_main_~#t1~0#1.offset, ~#full~0.base, old(~#full~0.base), thread1_#t~post34, thread2_#t~post39, thread1Thread1of1ForFork1_#in~arg.offset, #PthreadsMutexUnlock_#inputPtr.base, #Ultimate.allocOnStack_#res.offset, ULTIMATE.dealloc_~addr.offset, ULTIMATE.start_main_#t~pre41#1, ~__tzname~0.offset, old(~__tzname~0.offset), ULTIMATE.start_main_#t~pre43#1, write~int_#value, write~init~int_#ptr.offset, ULTIMATE.dealloc_~addr.base, thread1Thread1of1ForFork1_thidvar0, old(thread1Thread1of1ForFork1_thidvar0), thread1Thread1of1ForFork1_thidvar1, old(thread1Thread1of1ForFork1_thidvar1), thread2Thread1of1ForFork0_~arg.offset, thread1Thread1of1ForFork1_#t~post34, #pthreadsForks, old(#pthreadsForks), #valid, old(#valid), #pthreadsMutex, old(#pthreadsMutex), thread1_~arg.offset, thread2_~arg.offset, read~int_#value, #Ultimate.allocInit_~size, thread2Thread1of1ForFork0_#res.base, #PthreadsMutexLock_#inputPtr.base, write~init~int_#ptr.base, #PthreadsMutexUnlock_#res, ~stderr~0.offset, old(~stderr~0.offset), thread1Thread1of1ForFork1_~arg.offset, thread1_#res.base, thread2_#res.base, ~#m~0.offset, old(~#m~0.offset), ~#m~0.base, old(~#m~0.base), #Ultimate.allocInit_ptrBase, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_#t~nondet42#1, ULTIMATE.start_main_#t~nondet44#1, #length, old(#length), thread2Thread1of1ForFork0_#t~nondet36, thread2Thread1of1ForFork0_#t~nondet37, thread2Thread1of1ForFork0_#t~nondet38, thread2Thread1of1ForFork0_#t~nondet40, ULTIMATE.start_main_~#t2~0#1.base, ~stdin~0.base, old(~stdin~0.base), write~int_#sizeOfWrittenType, #StackHeapBarrier, old(#StackHeapBarrier), thread1Thread1of1ForFork1_#res.base, ~__timezone~0, old(~__timezone~0), #PthreadsMutexLock_#res, thread1_#t~nondet31, thread1_#t~nondet32, thread1_#t~nondet33, thread1_#t~nondet35, thread2_#t~nondet36, thread2_#t~nondet37, thread2_#t~nondet38, thread2_#t~nondet40, write~int_#ptr.offset, ~__tzname~0.base, old(~__tzname~0.base), ~stdin~0.offset, old(~stdin~0.offset), #memory_int, old(#memory_int), #Ultimate.allocOnStack_#res.base, thread1Thread1of1ForFork1_#t~nondet31, thread1Thread1of1ForFork1_#t~nondet32, thread1Thread1of1ForFork1_#t~nondet33, thread1Thread1of1ForFork1_#t~nondet35, thread2Thread1of1ForFork0_~arg.base, thread2Thread1of1ForFork0_#in~arg.base, read~int_#ptr.offset, #PthreadsMutexUnlock_#inputPtr.offset], Protected Variables before encountering a loop: [] - PositiveResult [Line: 966]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 129 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 10.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 9.1s, 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: 13, 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, 0.5s InterpolantComputationTime, 267 NumberOfCodeBlocks, 267 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 351 ConstructedInterpolants, 0 QuantifiedInterpolants, 619 SizeOfPredicates, 4 NumberOfNonLiveVariables, 265 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 14/21 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 129 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 129 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-01-25 21:33:30,869 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Ended with exit code 0 [2024-01-25 21:33:31,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2024-01-25 21:33:31,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-01-25 21:33:31,477 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...