/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/popl20-three-array-max.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-26 02:07:50,546 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 02:07:50,626 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-01-26 02:07:50,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 02:07:50,631 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 02:07:50,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-01-26 02:07:50,658 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 02:07:50,659 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 02:07:50,659 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 02:07:50,663 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 02:07:50,663 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 02:07:50,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 02:07:50,664 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 02:07:50,665 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 02:07:50,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 02:07:50,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 02:07:50,666 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 02:07:50,666 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 02:07:50,666 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 02:07:50,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 02:07:50,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 02:07:50,667 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 02:07:50,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 02:07:50,668 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 02:07:50,668 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 02:07:50,668 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 02:07:50,668 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 02:07:50,669 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 02:07:50,669 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-26 02:07:50,669 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 02:07:50,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 02:07:50,670 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 02:07:50,670 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 02:07:50,670 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-01-26 02:07:50,671 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-01-26 02:07:50,671 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 02:07:50,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 02:07:50,671 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 02:07:50,671 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-26 02:07:50,671 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 02:07:50,671 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-01-26 02:07:50,672 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-01-26 02:07:50,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 02:07:50,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 02:07:50,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 02:07:50,905 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 02:07:50,905 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 02:07:50,906 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-max.wvr.c [2024-01-26 02:07:52,030 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 02:07:52,237 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 02:07:52,238 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-max.wvr.c [2024-01-26 02:07:52,248 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3ec44de30/0e8a2cbcff1e413b903ca4fc708591cf/FLAGdc27d858b [2024-01-26 02:07:52,262 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3ec44de30/0e8a2cbcff1e413b903ca4fc708591cf [2024-01-26 02:07:52,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 02:07:52,265 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 02:07:52,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 02:07:52,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 02:07:52,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 02:07:52,270 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 02:07:52" (1/1) ... [2024-01-26 02:07:52,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16851042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:07:52, skipping insertion in model container [2024-01-26 02:07:52,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 02:07:52" (1/1) ... [2024-01-26 02:07:52,300 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 02:07:52,460 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/popl20-three-array-max.wvr.c[2862,2875] [2024-01-26 02:07:52,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 02:07:52,476 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 02:07:52,496 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/popl20-three-array-max.wvr.c[2862,2875] [2024-01-26 02:07:52,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 02:07:52,517 INFO L206 MainTranslator]: Completed translation [2024-01-26 02:07:52,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:07:52 WrapperNode [2024-01-26 02:07:52,517 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 02:07:52,518 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 02:07:52,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 02:07:52,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 02:07:52,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:07:52" (1/1) ... [2024-01-26 02:07:52,532 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:07:52" (1/1) ... [2024-01-26 02:07:52,556 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 14, calls inlined = 22, statements flattened = 240 [2024-01-26 02:07:52,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 02:07:52,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 02:07:52,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 02:07:52,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 02:07:52,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:07:52" (1/1) ... [2024-01-26 02:07:52,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:07:52" (1/1) ... [2024-01-26 02:07:52,567 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:07:52" (1/1) ... [2024-01-26 02:07:52,568 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:07:52" (1/1) ... [2024-01-26 02:07:52,576 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:07:52" (1/1) ... [2024-01-26 02:07:52,580 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:07:52" (1/1) ... [2024-01-26 02:07:52,582 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:07:52" (1/1) ... [2024-01-26 02:07:52,583 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:07:52" (1/1) ... [2024-01-26 02:07:52,592 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 02:07:52,592 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 02:07:52,593 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 02:07:52,593 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 02:07:52,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:07:52" (1/1) ... [2024-01-26 02:07:52,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 02:07:52,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 02:07:52,653 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 02:07:52,655 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 02:07:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 02:07:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 02:07:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-26 02:07:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-01-26 02:07:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 02:07:52,672 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 02:07:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 02:07:52,672 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 02:07:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-26 02:07:52,673 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-26 02:07:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-26 02:07:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-26 02:07:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-26 02:07:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-26 02:07:52,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 02:07:52,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 02:07:52,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 02:07:52,675 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 02:07:52,762 INFO L241 CfgBuilder]: Building ICFG [2024-01-26 02:07:52,763 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 02:07:53,135 INFO L282 CfgBuilder]: Performing block encoding [2024-01-26 02:07:53,241 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 02:07:53,242 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2024-01-26 02:07:53,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 02:07:53 BoogieIcfgContainer [2024-01-26 02:07:53,242 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 02:07:53,244 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 02:07:53,244 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 02:07:53,247 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 02:07:53,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 02:07:52" (1/3) ... [2024-01-26 02:07:53,248 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6dbd3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 02:07:53, skipping insertion in model container [2024-01-26 02:07:53,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:07:52" (2/3) ... [2024-01-26 02:07:53,248 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6dbd3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 02:07:53, skipping insertion in model container [2024-01-26 02:07:53,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 02:07:53" (3/3) ... [2024-01-26 02:07:53,249 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-max.wvr.c [2024-01-26 02:07:53,256 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-26 02:07:53,263 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 02:07:53,263 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-26 02:07:53,263 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 02:07:53,336 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-26 02:07:53,381 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 02:07:53,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-26 02:07:53,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 02:07:53,384 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 02:07:53,408 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 02:07:53,437 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-26 02:07:53,444 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-26 02:07:53,449 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;@48db9553, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 02:07:53,449 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Found a loop, use abstraction hammer [2024-01-26 02:08:06,916 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 02:08:06,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 02:08:06,922 INFO L85 PathProgramCache]: Analyzing trace with hash -2084974967, now seen corresponding path program 1 times [2024-01-26 02:08:06,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 02:08:06,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681657659] [2024-01-26 02:08:06,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 02:08:06,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 02:08:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 02:08:07,301 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-01-26 02:08:07,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 02:08:07,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681657659] [2024-01-26 02:08:07,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681657659] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 02:08:07,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 02:08:07,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 02:08:07,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746988950] [2024-01-26 02:08:07,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 02:08:07,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-01-26 02:08:07,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 02:08:07,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-01-26 02:08:07,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-01-26 02:08:07,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:08:07,337 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 02:08:07,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 131.5) internal successors, (263), 2 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 02:08:07,339 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 [2024-01-26 02:08:20,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:08:20,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-26 02:08:20,135 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 02:08:20,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 02:08:20,136 INFO L85 PathProgramCache]: Analyzing trace with hash -894942535, now seen corresponding path program 1 times [2024-01-26 02:08:20,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 02:08:20,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088461659] [2024-01-26 02:08:20,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 02:08:20,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 02:08:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 02:08:20,869 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-01-26 02:08:20,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 02:08:20,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088461659] [2024-01-26 02:08:20,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088461659] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 02:08:20,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614520351] [2024-01-26 02:08:20,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 02:08:20,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 02:08:20,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 02:08:20,914 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 02:08:20,916 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 02:08:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 02:08:21,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 8 conjunts are in the unsatisfiable core [2024-01-26 02:08:21,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 02:08:21,334 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-01-26 02:08:21,335 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 02:08:21,561 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-01-26 02:08:21,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614520351] provided 1 perfect and 1 imperfect interpolant sequences [2024-01-26 02:08:21,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-01-26 02:08:21,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 9] total 20 [2024-01-26 02:08:21,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335273413] [2024-01-26 02:08:21,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 02:08:21,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-01-26 02:08:21,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 02:08:21,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-01-26 02:08:21,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2024-01-26 02:08:21,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:08:21,570 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 02:08:21,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 28.77777777777778) internal successors, (259), 9 states have internal predecessors, (259), 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 02:08:21,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:08:21,570 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 [2024-01-26 02:08:34,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:08:34,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-01-26 02:08:34,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-01-26 02:08:34,241 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 02:08:34,242 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 02:08:34,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 02:08:34,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1833884778, now seen corresponding path program 1 times [2024-01-26 02:08:34,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 02:08:34,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851050894] [2024-01-26 02:08:34,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 02:08:34,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 02:08:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 02:08:34,760 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-01-26 02:08:34,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 02:08:34,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851050894] [2024-01-26 02:08:34,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851050894] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 02:08:34,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298339418] [2024-01-26 02:08:34,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 02:08:34,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 02:08:34,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 02:08:34,763 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 02:08:34,772 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 02:08:34,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 02:08:34,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 12 conjunts are in the unsatisfiable core [2024-01-26 02:08:34,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 02:08:35,198 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-01-26 02:08:35,199 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 02:08:35,502 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-01-26 02:08:35,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298339418] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 02:08:35,506 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 02:08:35,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13, 13] total 28 [2024-01-26 02:08:35,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190890936] [2024-01-26 02:08:35,507 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 02:08:35,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-01-26 02:08:35,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 02:08:35,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-01-26 02:08:35,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=671, Unknown=0, NotChecked=0, Total=756 [2024-01-26 02:08:35,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:08:35,510 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 02:08:35,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 17.392857142857142) internal successors, (487), 28 states have internal predecessors, (487), 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 02:08:35,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:08:35,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-01-26 02:08:35,511 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 [2024-01-26 02:08:49,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:08:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-01-26 02:08:49,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-01-26 02:08:49,117 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 02:08:49,309 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 02:08:49,310 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 02:08:49,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 02:08:49,311 INFO L85 PathProgramCache]: Analyzing trace with hash 2132135195, now seen corresponding path program 2 times [2024-01-26 02:08:49,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 02:08:49,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693759748] [2024-01-26 02:08:49,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 02:08:49,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 02:08:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 02:08:50,073 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 2 proven. 35 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-01-26 02:08:50,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 02:08:50,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693759748] [2024-01-26 02:08:50,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693759748] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 02:08:50,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190880491] [2024-01-26 02:08:50,074 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-26 02:08:50,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 02:08:50,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 02:08:50,077 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 02:08:50,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-01-26 02:08:50,272 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-01-26 02:08:50,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 02:08:50,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 12 conjunts are in the unsatisfiable core [2024-01-26 02:08:50,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 02:08:50,829 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 72 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-01-26 02:08:50,829 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 02:08:51,334 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 26 proven. 56 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-01-26 02:08:51,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190880491] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 02:08:51,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 02:08:51,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13, 13] total 38 [2024-01-26 02:08:51,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360652896] [2024-01-26 02:08:51,336 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 02:08:51,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-01-26 02:08:51,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 02:08:51,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-01-26 02:08:51,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=1245, Unknown=0, NotChecked=0, Total=1406 [2024-01-26 02:08:51,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:08:51,339 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 02:08:51,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 16.0) internal successors, (608), 38 states have internal predecessors, (608), 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 02:08:51,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:08:51,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-01-26 02:08:51,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-01-26 02:08:51,340 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 [2024-01-26 02:09:04,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:09:04,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-01-26 02:09:04,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-01-26 02:09:04,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-01-26 02:09:04,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-01-26 02:09:04,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 02:09:04,418 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 02:09:04,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 02:09:04,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1193284812, now seen corresponding path program 3 times [2024-01-26 02:09:04,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 02:09:04,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221986989] [2024-01-26 02:09:04,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 02:09:04,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 02:09:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 02:09:05,210 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 12 proven. 67 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-01-26 02:09:05,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 02:09:05,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221986989] [2024-01-26 02:09:05,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221986989] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 02:09:05,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969697903] [2024-01-26 02:09:05,211 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-01-26 02:09:05,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 02:09:05,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 02:09:05,213 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 02:09:05,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-01-26 02:09:05,409 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-01-26 02:09:05,409 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 02:09:05,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 10 conjunts are in the unsatisfiable core [2024-01-26 02:09:05,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 02:09:05,679 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 53 proven. 9 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-01-26 02:09:05,679 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 02:09:05,909 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 53 proven. 9 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-01-26 02:09:05,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969697903] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 02:09:05,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 02:09:05,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 10, 10] total 30 [2024-01-26 02:09:05,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295392696] [2024-01-26 02:09:05,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 02:09:05,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-01-26 02:09:05,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 02:09:05,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-01-26 02:09:05,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=792, Unknown=0, NotChecked=0, Total=870 [2024-01-26 02:09:05,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:09:05,917 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 02:09:05,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 18.966666666666665) internal successors, (569), 30 states have internal predecessors, (569), 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 02:09:05,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:09:05,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-01-26 02:09:05,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-01-26 02:09:05,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-01-26 02:09:05,919 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 Received shutdown request... [2024-01-26 02:22:18,270 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 02:22:18,270 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 02:22:18,270 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-26 02:22:18,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-01-26 02:22:19,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 02:22:19,017 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2024-01-26 02:22:19,020 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-26 02:22:19,082 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2024-01-26 02:22:19,083 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2024-01-26 02:22:19,084 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-26 02:22:19,084 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-26 02:22:19,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 02:22:19 BasicIcfg [2024-01-26 02:22:19,086 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-26 02:22:19,087 INFO L158 Benchmark]: Toolchain (without parser) took 866821.42ms. Allocated memory was 304.1MB in the beginning and 462.4MB in the end (delta: 158.3MB). Free memory was 251.8MB in the beginning and 142.9MB in the end (delta: 108.8MB). Peak memory consumption was 459.4MB. Max. memory is 8.0GB. [2024-01-26 02:22:19,087 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 200.3MB. Free memory is still 151.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-01-26 02:22:19,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.25ms. Allocated memory is still 304.1MB. Free memory was 251.4MB in the beginning and 238.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-01-26 02:22:19,088 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.19ms. Allocated memory is still 304.1MB. Free memory was 238.8MB in the beginning and 236.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-26 02:22:19,088 INFO L158 Benchmark]: Boogie Preprocessor took 35.05ms. Allocated memory is still 304.1MB. Free memory was 236.4MB in the beginning and 234.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-26 02:22:19,088 INFO L158 Benchmark]: RCFGBuilder took 649.83ms. Allocated memory is still 304.1MB. Free memory was 233.9MB in the beginning and 258.1MB in the end (delta: -24.2MB). Peak memory consumption was 27.6MB. Max. memory is 8.0GB. [2024-01-26 02:22:19,088 INFO L158 Benchmark]: TraceAbstraction took 865842.45ms. Allocated memory was 304.1MB in the beginning and 462.4MB in the end (delta: 158.3MB). Free memory was 257.6MB in the beginning and 142.9MB in the end (delta: 114.6MB). Peak memory consumption was 464.3MB. Max. memory is 8.0GB. [2024-01-26 02:22:19,090 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 200.3MB. Free memory is still 151.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 251.25ms. Allocated memory is still 304.1MB. Free memory was 251.4MB in the beginning and 238.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.19ms. Allocated memory is still 304.1MB. Free memory was 238.8MB in the beginning and 236.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.05ms. Allocated memory is still 304.1MB. Free memory was 236.4MB in the beginning and 234.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 649.83ms. Allocated memory is still 304.1MB. Free memory was 233.9MB in the beginning and 258.1MB in the end (delta: -24.2MB). Peak memory consumption was 27.6MB. Max. memory is 8.0GB. * TraceAbstraction took 865842.45ms. Allocated memory was 304.1MB in the beginning and 462.4MB in the end (delta: 158.3MB). Free memory was 257.6MB in the beginning and 142.9MB in the end (delta: 114.6MB). Peak memory consumption was 464.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 66360, independent: 62555, independent conditional: 62555, independent unconditional: 0, dependent: 3805, dependent conditional: 3805, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 62760, independent: 62555, independent conditional: 62555, independent unconditional: 0, dependent: 205, dependent conditional: 205, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 62760, independent: 62555, independent conditional: 62555, independent unconditional: 0, dependent: 205, dependent conditional: 205, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 63365, independent: 62555, independent conditional: 0, independent unconditional: 62555, dependent: 810, dependent conditional: 605, dependent unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 63365, independent: 62555, independent conditional: 0, independent unconditional: 62555, dependent: 810, dependent conditional: 0, dependent unconditional: 810, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 63365, independent: 62555, independent conditional: 0, independent unconditional: 62555, dependent: 810, dependent conditional: 0, dependent unconditional: 810, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 62760, independent: 62555, independent conditional: 0, independent unconditional: 62555, dependent: 205, dependent conditional: 0, dependent unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 62760, independent: 62555, independent conditional: 0, independent unconditional: 62555, dependent: 205, dependent conditional: 0, dependent unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 205, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 205, dependent conditional: 0, dependent unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 205, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 205, dependent conditional: 0, dependent unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 205, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 205, dependent conditional: 0, dependent unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 560, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 560, dependent conditional: 0, dependent unconditional: 560, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 63365, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 605, dependent conditional: 0, dependent unconditional: 605, unknown: 62760, unknown conditional: 0, unknown unconditional: 62760] , Statistics on independence cache: Total cache size (in pairs): 62760, Positive cache size: 62555, Positive conditional cache size: 0, Positive unconditional cache size: 62555, Negative cache size: 205, Negative conditional cache size: 0, Negative unconditional cache size: 205, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 605, Maximal queried relation: 5, Independence queries for same thread: 3600 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 9, RedundantProofs: 3, ProvenStates: 4054, Times there's more than one choice: 2738, Avg number of choices: 3.2264430192402567 - StatisticsResult: Reduction benchmarks 0.3s Time before loop, 12.6s Time in loop, 12.9s Time in total, Has Loop: true, Protected Variables: [write~init~int_#value, ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_main_#t~ret15#1.offset, ULTIMATE.start_create_fresh_int_array_~i~3#1, ~B~0.offset, old(~B~0.offset), thread2Thread1of1ForFork0_thidvar0, old(thread2Thread1of1ForFork0_thidvar0), thread2Thread1of1ForFork0_thidvar1, old(thread2Thread1of1ForFork0_thidvar1), thread2Thread1of1ForFork0_thidvar2, old(thread2Thread1of1ForFork0_thidvar2), thread1Thread1of1ForFork2_thidvar0, old(thread1Thread1of1ForFork2_thidvar0), thread1Thread1of1ForFork2_thidvar1, old(thread1Thread1of1ForFork2_thidvar1), write~int_#ptr.base, thread3_~cond~0, #Ultimate.allocOnHeap_#res.offset, thread3Thread1of1ForFork1_#in~_argptr.base, thread2Thread1of1ForFork0_#t~ret9#1, ULTIMATE.start_main_#t~ret16#1.offset, thread2_#res#1.base, ULTIMATE.start_main_#t~mem17#1, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_#t~mem19#1, thread2Thread1of1ForFork0_~_argptr#1.base, ULTIMATE.start_plus_#in~a#1, ULTIMATE.start_plus_#in~b#1, thread2_plus_#res#1, ULTIMATE.start_main_#t~mem20#1, thread1_~i~0, thread3_~i~2, thread2_#t~mem7#1, thread2_#t~mem8#1, ULTIMATE.start_main_#t~mem28#1, ULTIMATE.start_main_#t~mem29#1, thread2Thread1of1ForFork0_plus_#in~a#1, thread2Thread1of1ForFork0_plus_#in~b#1, ULTIMATE.start_main_#t~mem30#1, ULTIMATE.start_main_#res#1, thread2Thread1of1ForFork0_#res#1.offset, thread3Thread1of1ForFork1_#t~post12, ULTIMATE.start_create_fresh_int_array_#res#1.base, ULTIMATE.start_create_fresh_int_array_~size#1, thread3_#t~mem10, thread3_#t~mem11, ULTIMATE.start_main_~#t3~0#1.offset, thread2_#t~ret9#1, ULTIMATE.start_create_fresh_int_array_#res#1.offset, thread2_~_argptr#1.base, thread3Thread1of1ForFork1_~_argptr.base, thread2_plus_#in~a#1, thread2_plus_#in~b#1, read~int_#ptr.base, thread1Thread1of1ForFork2_~i~0, ULTIMATE.start_#t~ret35#1, thread1_#res.offset, thread3_#res.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, thread2_#res#1.offset, ULTIMATE.start_plus_~a#1, ULTIMATE.start_plus_~b#1, thread2Thread1of1ForFork0_plus_~a#1, thread2Thread1of1ForFork0_plus_~b#1, ULTIMATE.start_create_fresh_int_array_#t~nondet34#1, ULTIMATE.start_main_~#t2~0#1.offset, #Ultimate.allocOnStack_~size, thread1Thread1of1ForFork2_#res.offset, thread1_~_argptr.offset, thread3_~_argptr.offset, thread2Thread1of1ForFork0_#t~post6#1, read~int_#sizeOfReadType, thread2_plus_~a#1, thread2_plus_~b#1, write~init~int_#sizeOfWrittenType, thread1_#t~mem2, thread1_#t~mem3, thread1_#t~mem4, thread1_#t~mem5, thread1_#in~_argptr.base, thread3_#in~_argptr.base, thread2Thread1of1ForFork0_~_argptr#1.offset, ~B~0.base, old(~B~0.base), ULTIMATE.start_main_~#t1~0#1.offset, thread1Thread1of1ForFork2_~_argptr.offset, thread3Thread1of1ForFork1_#res.base, thread3_#t~post12, ULTIMATE.start_main_#t~ret21#1, thread2_#t~post6#1, ULTIMATE.start_main_#t~ret31#1, ULTIMATE.start_main_#t~pre22#1, ULTIMATE.start_main_#t~pre24#1, ULTIMATE.start_main_#t~pre26#1, thread1Thread1of1ForFork2_#t~mem2, thread1Thread1of1ForFork2_#t~mem3, thread1Thread1of1ForFork2_#t~mem4, thread1Thread1of1ForFork2_#t~mem5, #Ultimate.allocOnStack_#res.offset, thread2Thread1of1ForFork0_#in~_argptr#1.offset, ULTIMATE.dealloc_~addr.offset, thread1Thread1of1ForFork2_#in~_argptr.base, thread2_~_argptr#1.offset, write~int_#value, ~A~0.offset, old(~A~0.offset), write~init~int_#ptr.offset, thread1_~_argptr.base, thread3_~_argptr.base, ULTIMATE.start_create_fresh_int_array_#t~malloc32#1.base, ULTIMATE.dealloc_~addr.base, ULTIMATE.start_main_#t~ret16#1.base, thread3Thread1of1ForFork1_#in~_argptr.offset, ULTIMATE.start_assume_abort_if_not_~cond#1, #pthreadsForks, old(#pthreadsForks), thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~ret15#1.base, thread2_#in~_argptr#1.offset, ~N~0, old(~N~0), #Ultimate.allocOnHeap_#res.base, ~p~0, old(~p~0), thread2Thread1of1ForFork0_#in~_argptr#1.base, thread1Thread1of1ForFork2_~_argptr.base, #valid, old(#valid), ULTIMATE.start_main_#t~ret14#1.base, read~int_#value, #Ultimate.allocInit_~size, thread2_assume_abort_if_not_~cond#1, ~C~0.offset, old(~C~0.offset), write~init~int_#ptr.base, thread2_#in~_argptr#1.base, thread1_#res.base, thread3_#res.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, #Ultimate.allocInit_ptrBase, ULTIMATE.start_main_#t~nondet13#1, ULTIMATE.start_main_#t~nondet23#1, ULTIMATE.start_main_#t~nondet25#1, ULTIMATE.start_main_#t~nondet27#1, ULTIMATE.start_main_~#t1~0#1.base, #length, old(#length), ULTIMATE.start_main_~#t2~0#1.base, thread3Thread1of1ForFork1_~cond~0, write~int_#sizeOfWrittenType, ~A~0.base, old(~A~0.base), thread1_#in~_argptr.offset, thread3_#in~_argptr.offset, thread3Thread1of1ForFork1_~i~2, ULTIMATE.start_main_~#t3~0#1.base, thread3Thread1of1ForFork1_thidvar0, old(thread3Thread1of1ForFork1_thidvar0), thread3Thread1of1ForFork1_thidvar1, old(thread3Thread1of1ForFork1_thidvar1), thread3Thread1of1ForFork1_thidvar2, old(thread3Thread1of1ForFork1_thidvar2), thread3Thread1of1ForFork1_thidvar3, old(thread3Thread1of1ForFork1_thidvar3), thread2Thread1of1ForFork0_~i~1#1, #StackHeapBarrier, old(#StackHeapBarrier), thread1Thread1of1ForFork2_#res.base, ULTIMATE.start_create_fresh_int_array_#t~post33#1, thread2_assume_abort_if_not_#in~cond#1, ULTIMATE.start_create_fresh_int_array_#t~malloc32#1.offset, thread1_#t~post1, ~maxa~0, old(~maxa~0), ~maxb~0, old(~maxb~0), ~maxc~0, old(~maxc~0), thread3Thread1of1ForFork1_#t~mem10, thread3Thread1of1ForFork1_#t~mem11, thread1Thread1of1ForFork2_#in~_argptr.offset, thread2_~i~1#1, write~int_#ptr.offset, #Ultimate.allocOnHeap_~size, thread3Thread1of1ForFork1_#res.offset, #memory_int, old(#memory_int), thread1Thread1of1ForFork2_#t~post1, ~C~0.base, old(~C~0.base), #Ultimate.allocOnStack_#res.base, ULTIMATE.start_plus_#res#1, thread2Thread1of1ForFork0_#res#1.base, thread2Thread1of1ForFork0_plus_#res#1, thread2Thread1of1ForFork0_#t~mem7#1, thread2Thread1of1ForFork0_#t~mem8#1, ULTIMATE.start_main_#t~ret14#1.offset, thread3Thread1of1ForFork1_~_argptr.offset, read~int_#ptr.offset, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset], Protected Variables before encountering a loop: [] - TimeoutResultAtElement [Line: 114]: 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 7 procedures, 349 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 865.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 858.1s, 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: 162, 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: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 3118 NumberOfCodeBlocks, 3017 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 4505 ConstructedInterpolants, 0 QuantifiedInterpolants, 8605 SizeOfPredicates, 38 NumberOfNonLiveVariables, 2736 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 13 InterpolantComputations, 2 PerfectInterpolantSequences, 1533/1733 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