/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-bad-commit-2.wvr-bad.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-26 01:11:49,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 01:11:49,265 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-01-26 01:11:49,271 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 01:11:49,272 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 01:11:49,272 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-01-26 01:11:49,290 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 01:11:49,291 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 01:11:49,291 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 01:11:49,291 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 01:11:49,292 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 01:11:49,292 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 01:11:49,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 01:11:49,293 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 01:11:49,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 01:11:49,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 01:11:49,293 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 01:11:49,294 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 01:11:49,294 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 01:11:49,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 01:11:49,294 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 01:11:49,295 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 01:11:49,295 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 01:11:49,295 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 01:11:49,295 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 01:11:49,296 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 01:11:49,296 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 01:11:49,296 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 01:11:49,296 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-26 01:11:49,297 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 01:11:49,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 01:11:49,297 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 01:11:49,297 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 01:11:49,297 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-01-26 01:11:49,298 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-01-26 01:11:49,298 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 01:11:49,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 01:11:49,298 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 01:11:49,298 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-26 01:11:49,299 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 01:11:49,299 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-01-26 01:11:49,299 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-01-26 01:11:49,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 01:11:49,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 01:11:49,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 01:11:49,508 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 01:11:49,508 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 01:11:49,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-commit-2.wvr-bad.c [2024-01-26 01:11:50,582 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 01:11:50,760 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 01:11:50,760 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-commit-2.wvr-bad.c [2024-01-26 01:11:50,770 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e5a1e0759/8a2cdc6da7c54fbfaea890b0c1b62399/FLAG9f2d11cc4 [2024-01-26 01:11:50,783 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e5a1e0759/8a2cdc6da7c54fbfaea890b0c1b62399 [2024-01-26 01:11:50,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 01:11:50,787 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 01:11:50,788 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 01:11:50,788 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 01:11:50,792 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 01:11:50,792 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 01:11:50" (1/1) ... [2024-01-26 01:11:50,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b2c5f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:11:50, skipping insertion in model container [2024-01-26 01:11:50,793 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 01:11:50" (1/1) ... [2024-01-26 01:11:50,830 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 01:11:51,002 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-bad-commit-2.wvr-bad.c[6687,6700] [2024-01-26 01:11:51,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 01:11:51,017 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 01:11:51,048 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-bad-commit-2.wvr-bad.c[6687,6700] [2024-01-26 01:11:51,051 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 01:11:51,060 INFO L206 MainTranslator]: Completed translation [2024-01-26 01:11:51,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:11:51 WrapperNode [2024-01-26 01:11:51,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 01:11:51,062 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 01:11:51,062 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 01:11:51,062 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 01:11:51,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:11:51" (1/1) ... [2024-01-26 01:11:51,073 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:11:51" (1/1) ... [2024-01-26 01:11:51,109 INFO L138 Inliner]: procedures = 26, calls = 93, calls flagged for inlining = 27, calls inlined = 33, statements flattened = 481 [2024-01-26 01:11:51,109 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 01:11:51,110 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 01:11:51,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 01:11:51,110 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 01:11:51,116 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:11:51" (1/1) ... [2024-01-26 01:11:51,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:11:51" (1/1) ... [2024-01-26 01:11:51,120 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:11:51" (1/1) ... [2024-01-26 01:11:51,120 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:11:51" (1/1) ... [2024-01-26 01:11:51,129 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:11:51" (1/1) ... [2024-01-26 01:11:51,132 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:11:51" (1/1) ... [2024-01-26 01:11:51,134 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:11:51" (1/1) ... [2024-01-26 01:11:51,136 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:11:51" (1/1) ... [2024-01-26 01:11:51,139 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 01:11:51,140 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 01:11:51,140 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 01:11:51,140 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 01:11:51,140 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:11:51" (1/1) ... [2024-01-26 01:11:51,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 01:11:51,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:11:51,162 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 01:11:51,186 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 01:11:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 01:11:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 01:11:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-26 01:11:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-01-26 01:11:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 01:11:51,211 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 01:11:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 01:11:51,211 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 01:11:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-26 01:11:51,211 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-26 01:11:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-26 01:11:51,211 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-26 01:11:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-26 01:11:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-26 01:11:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-26 01:11:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-26 01:11:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 01:11:51,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 01:11:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 01:11:51,213 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 01:11:51,334 INFO L241 CfgBuilder]: Building ICFG [2024-01-26 01:11:51,336 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 01:11:51,835 INFO L282 CfgBuilder]: Performing block encoding [2024-01-26 01:11:52,001 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 01:11:52,001 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2024-01-26 01:11:52,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 01:11:52 BoogieIcfgContainer [2024-01-26 01:11:52,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 01:11:52,003 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 01:11:52,003 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 01:11:52,006 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 01:11:52,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 01:11:50" (1/3) ... [2024-01-26 01:11:52,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c4b5e0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 01:11:52, skipping insertion in model container [2024-01-26 01:11:52,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:11:51" (2/3) ... [2024-01-26 01:11:52,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c4b5e0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 01:11:52, skipping insertion in model container [2024-01-26 01:11:52,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 01:11:52" (3/3) ... [2024-01-26 01:11:52,011 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-commit-2.wvr-bad.c [2024-01-26 01:11:52,018 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-26 01:11:52,024 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 01:11:52,024 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-26 01:11:52,024 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 01:11:52,096 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-26 01:11:52,133 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 01:11:52,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-26 01:11:52,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:11:52,136 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 01:11:52,157 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 01:11:52,173 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-26 01:11:52,180 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-26 01:11:52,184 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;@3d311a8f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 01:11:52,185 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Found a loop, use abstraction hammer [2024-01-26 01:11:52,283 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:11:52,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:11:52,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1381265065, now seen corresponding path program 1 times [2024-01-26 01:11:52,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:11:52,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769869218] [2024-01-26 01:11:52,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:11:52,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:11:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:11:52,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 01:11:52,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:11:52,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769869218] [2024-01-26 01:11:52,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769869218] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 01:11:52,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 01:11:52,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 01:11:52,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268689660] [2024-01-26 01:11:52,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 01:11:52,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-01-26 01:11:52,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:11:52,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-01-26 01:11:52,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-01-26 01:11:52,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:11:52,650 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:11:52,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 132.0) internal successors, (264), 2 states have internal predecessors, (264), 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 01:11:52,652 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 01:11:52,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:11:52,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-26 01:11:52,709 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:11:52,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:11:52,710 INFO L85 PathProgramCache]: Analyzing trace with hash 2068130445, now seen corresponding path program 1 times [2024-01-26 01:11:52,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:11:52,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095133952] [2024-01-26 01:11:52,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:11:52,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:11:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:11:53,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-26 01:11:53,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:11:53,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095133952] [2024-01-26 01:11:53,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095133952] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 01:11:53,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 01:11:53,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-01-26 01:11:53,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817194210] [2024-01-26 01:11:53,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 01:11:53,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-26 01:11:53,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:11:53,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-26 01:11:53,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-01-26 01:11:53,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:11:53,274 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:11:53,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 52.6) internal successors, (263), 5 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 01:11:53,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:11:53,275 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 01:11:53,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:11:53,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:11:53,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-26 01:11:53,431 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:11:53,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:11:53,431 INFO L85 PathProgramCache]: Analyzing trace with hash -325401739, now seen corresponding path program 1 times [2024-01-26 01:11:53,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:11:53,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954821622] [2024-01-26 01:11:53,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:11:53,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:11:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:11:53,560 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-26 01:11:53,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:11:53,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954821622] [2024-01-26 01:11:53,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954821622] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 01:11:53,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 01:11:53,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-26 01:11:53,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097791271] [2024-01-26 01:11:53,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 01:11:53,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 01:11:53,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:11:53,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 01:11:53,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 01:11:53,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:11:53,564 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:11:53,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 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 01:11:53,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:11:53,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:11:53,564 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 01:11:53,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:11:53,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:11:53,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 01:11:53,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-26 01:11:53,594 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:11:53,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:11:53,595 INFO L85 PathProgramCache]: Analyzing trace with hash 492249442, now seen corresponding path program 1 times [2024-01-26 01:11:53,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:11:53,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475569674] [2024-01-26 01:11:53,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:11:53,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:11:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:11:53,777 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-01-26 01:11:53,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:11:53,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475569674] [2024-01-26 01:11:53,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475569674] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 01:11:53,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 01:11:53,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-26 01:11:53,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365838408] [2024-01-26 01:11:53,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 01:11:53,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 01:11:53,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:11:53,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 01:11:53,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 01:11:53,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:11:53,783 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:11:53,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 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 01:11:53,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:11:53,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:11:53,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 01:11:53,791 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 01:11:53,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:11:53,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:11:53,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 01:11:53,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 01:11:53,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-26 01:11:53,885 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:11:53,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:11:53,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1052991786, now seen corresponding path program 1 times [2024-01-26 01:11:53,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:11:53,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994600836] [2024-01-26 01:11:53,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:11:53,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:11:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:11:54,003 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-26 01:11:54,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:11:54,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994600836] [2024-01-26 01:11:54,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994600836] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 01:11:54,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 01:11:54,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-26 01:11:54,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055980086] [2024-01-26 01:11:54,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 01:11:54,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 01:11:54,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:11:54,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 01:11:54,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 01:11:54,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:11:54,005 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:11:54,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 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 01:11:54,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:11:54,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:11:54,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 01:11:54,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 01:11:54,005 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 01:12:00,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:12:00,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:12:00,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 01:12:00,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 01:12:00,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 01:12:00,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-26 01:12:00,674 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:12:00,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:12:00,675 INFO L85 PathProgramCache]: Analyzing trace with hash 329755446, now seen corresponding path program 1 times [2024-01-26 01:12:00,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:12:00,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110773522] [2024-01-26 01:12:00,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:12:00,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:12:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:12:00,781 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-26 01:12:00,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:12:00,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110773522] [2024-01-26 01:12:00,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110773522] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 01:12:00,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 01:12:00,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-26 01:12:00,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970503921] [2024-01-26 01:12:00,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 01:12:00,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 01:12:00,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:12:00,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 01:12:00,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 01:12:00,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:12:00,783 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:12:00,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 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 01:12:00,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:12:00,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 01:12:00,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 01:12:00,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 01:12:00,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 01:12:00,783 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 01:26:34,961 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 01:26:34,966 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 01:26:35,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-26 01:26:35,831 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2024-01-26 01:26:35,833 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-26 01:26:35,879 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-01-26 01:26:35,880 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/5) [2024-01-26 01:26:35,881 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-26 01:26:35,881 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-26 01:26:35,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 01:26:35 BasicIcfg [2024-01-26 01:26:35,883 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-26 01:26:35,883 INFO L158 Benchmark]: Toolchain (without parser) took 885096.42ms. Allocated memory was 346.0MB in the beginning and 556.8MB in the end (delta: 210.8MB). Free memory was 292.5MB in the beginning and 137.7MB in the end (delta: 154.8MB). Peak memory consumption was 443.2MB. Max. memory is 8.0GB. [2024-01-26 01:26:35,883 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 210.8MB. Free memory is still 160.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-01-26 01:26:35,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.76ms. Allocated memory is still 346.0MB. Free memory was 292.2MB in the beginning and 278.1MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-01-26 01:26:35,884 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.80ms. Allocated memory is still 346.0MB. Free memory was 278.1MB in the beginning and 274.4MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-01-26 01:26:35,884 INFO L158 Benchmark]: Boogie Preprocessor took 29.37ms. Allocated memory is still 346.0MB. Free memory was 274.4MB in the beginning and 271.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-01-26 01:26:35,884 INFO L158 Benchmark]: RCFGBuilder took 861.95ms. Allocated memory is still 346.0MB. Free memory was 271.6MB in the beginning and 251.6MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-01-26 01:26:35,884 INFO L158 Benchmark]: TraceAbstraction took 883879.65ms. Allocated memory was 346.0MB in the beginning and 556.8MB in the end (delta: 210.8MB). Free memory was 251.1MB in the beginning and 137.7MB in the end (delta: 113.4MB). Peak memory consumption was 402.3MB. Max. memory is 8.0GB. [2024-01-26 01:26:35,886 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 210.8MB. Free memory is still 160.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 272.76ms. Allocated memory is still 346.0MB. Free memory was 292.2MB in the beginning and 278.1MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.80ms. Allocated memory is still 346.0MB. Free memory was 278.1MB in the beginning and 274.4MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.37ms. Allocated memory is still 346.0MB. Free memory was 274.4MB in the beginning and 271.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 861.95ms. Allocated memory is still 346.0MB. Free memory was 271.6MB in the beginning and 251.6MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 883879.65ms. Allocated memory was 346.0MB in the beginning and 556.8MB in the end (delta: 210.8MB). Free memory was 251.1MB in the beginning and 137.7MB in the end (delta: 113.4MB). Peak memory consumption was 402.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 42622, independent: 39682, independent conditional: 39682, independent unconditional: 0, dependent: 2940, dependent conditional: 2940, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 39734, independent: 39682, independent conditional: 39682, independent unconditional: 0, dependent: 52, dependent conditional: 52, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 39734, independent: 39682, independent conditional: 39682, independent unconditional: 0, dependent: 52, dependent conditional: 52, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40039, independent: 39682, independent conditional: 0, independent unconditional: 39682, dependent: 357, dependent conditional: 305, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 40039, independent: 39682, independent conditional: 0, independent unconditional: 39682, dependent: 357, dependent conditional: 0, dependent unconditional: 357, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 40039, independent: 39682, independent conditional: 0, independent unconditional: 39682, dependent: 357, dependent conditional: 0, dependent unconditional: 357, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 39734, independent: 39682, independent conditional: 0, independent unconditional: 39682, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 39734, independent: 39680, independent conditional: 0, independent unconditional: 39680, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 54, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 54, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 160, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 157, dependent conditional: 0, dependent unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 40039, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 305, dependent conditional: 0, dependent unconditional: 305, unknown: 39734, unknown conditional: 0, unknown unconditional: 39734] , Statistics on independence cache: Total cache size (in pairs): 39734, Positive cache size: 39682, Positive conditional cache size: 0, Positive unconditional cache size: 39682, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 305, Maximal queried relation: 6, Independence queries for same thread: 2888 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 5, RedundantProofs: 1, ProvenStates: 3213, Times there's more than one choice: 1623, Avg number of choices: 3.406784936196701 - StatisticsResult: Reduction benchmarks 0.0s Time before loop, 6.7s Time in loop, 6.7s 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_~#t4~0#1.offset, ULTIMATE.start_create_fresh_int_array_~i~0#1, thread1Thread1of1ForFork1_#t~mem10#1, thread1Thread1of1ForFork1_#t~mem12#1, write~int_#ptr.base, ~node2_size~0, old(~node2_size~0), #Ultimate.allocOnHeap_#res.offset, ~node1_state~0, old(~node1_state~0), thread1_#res#1.base, thread2_#res#1.base, thread3_#res#1.base, thread4_#res#1.base, thread1_#t~mem2#1, thread1_#t~mem4#1, thread1_#t~mem6#1, thread1_#t~mem8#1, ~safe~0, old(~safe~0), ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~mem51#1, ULTIMATE.start_main_#t~mem52#1, ULTIMATE.start_main_#t~mem53#1, ULTIMATE.start_main_#t~mem54#1, ~manager_front~0, old(~manager_front~0), thread2Thread1of1ForFork3_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, ULTIMATE.start_create_fresh_int_array_~size#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, ~node1~0.offset, old(~node1~0.offset), ~manager_size~0, old(~manager_size~0), ~client~0.base, old(~client~0.base), ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, thread1Thread1of1ForFork1_#res#1.base, thread1Thread1of1ForFork1_#t~mem2#1, thread1Thread1of1ForFork1_#t~mem4#1, read~int_#ptr.base, thread1Thread1of1ForFork1_#t~mem6#1, thread1Thread1of1ForFork1_#t~mem8#1, thread2Thread1of1ForFork3_#t~nondet14#1, ULTIMATE.start_#t~ret58#1, thread3Thread1of1ForFork0_thidvar0, old(thread3Thread1of1ForFork0_thidvar0), thread3Thread1of1ForFork0_thidvar1, old(thread3Thread1of1ForFork0_thidvar1), thread3Thread1of1ForFork0_thidvar2, old(thread3Thread1of1ForFork0_thidvar2), thread3Thread1of1ForFork0_thidvar3, old(thread3Thread1of1ForFork0_thidvar3), ULTIMATE.start_create_fresh_int_array_#in~size#1, thread1_#res#1.offset, thread2_#res#1.offset, thread3_#res#1.offset, thread4_#res#1.offset, ~client~0.offset, old(~client~0.offset), ~client_back~0, old(~client_back~0), thread4Thread1of1ForFork2_#t~post26#1, thread4Thread1of1ForFork2_#t~post28#1, ULTIMATE.start_create_fresh_int_array_#t~nondet57#1, ULTIMATE.start_main_~#t2~0#1.offset, thread2_#t~nondet14#1, thread3_#t~nondet19#1, thread4_#t~nondet24#1, #Ultimate.allocOnStack_~size, ~update~0, old(~update~0), thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork1_#res#1.offset, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1, read~int_#sizeOfReadType, write~init~int_#sizeOfWrittenType, ULTIMATE.start_main_~#t1~0#1.offset, ~node2~0.base, old(~node2~0.base), ~ok~0, old(~ok~0), ~node2_front~0, old(~node2_front~0), thread1_#t~post3#1, thread1_#t~post5#1, thread1_#t~post7#1, thread1_#t~post9#1, thread3Thread1of1ForFork0_#t~post21#1, #Ultimate.allocOnStack_#res.offset, thread3Thread1of1ForFork0_#t~post23#1, ULTIMATE.dealloc_~addr.offset, ~client_state~0, old(~client_state~0), ULTIMATE.start_main_#t~pre43#1, ULTIMATE.start_main_#t~pre45#1, ULTIMATE.start_main_#t~pre47#1, ULTIMATE.start_main_#t~pre49#1, write~int_#value, ~node1_front~0, old(~node1_front~0), thread4Thread1of1ForFork2_#t~mem25#1, thread4Thread1of1ForFork2_#t~mem27#1, write~init~int_#ptr.offset, ULTIMATE.dealloc_~addr.base, thread1Thread1of1ForFork1_thidvar0, old(thread1Thread1of1ForFork1_thidvar0), thread1Thread1of1ForFork1_thidvar1, old(thread1Thread1of1ForFork1_thidvar1), ~node1_size~0, old(~node1_size~0), ~manager~0.base, old(~manager~0.base), ~node2_back~0, old(~node2_back~0), ULTIMATE.start_create_fresh_int_array_#t~malloc55#1.base, ULTIMATE.start_main_#t~ret40#1.base, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, ULTIMATE.start_assume_abort_if_not_~cond#1, #pthreadsForks, old(#pthreadsForks), thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread1Thread1of1ForFork1_#t~post3#1, thread1Thread1of1ForFork1_#t~post5#1, thread1Thread1of1ForFork1_#t~post7#1, thread1Thread1of1ForFork1_#t~post9#1, thread4Thread1of1ForFork2_thidvar0, old(thread4Thread1of1ForFork2_thidvar0), thread4Thread1of1ForFork2_thidvar1, old(thread4Thread1of1ForFork2_thidvar1), thread4Thread1of1ForFork2_thidvar2, old(thread4Thread1of1ForFork2_thidvar2), thread4Thread1of1ForFork2_thidvar3, old(thread4Thread1of1ForFork2_thidvar3), thread4Thread1of1ForFork2_thidvar4, old(thread4Thread1of1ForFork2_thidvar4), #Ultimate.allocOnHeap_#res.base, #valid, old(#valid), ~manager_back~0, old(~manager_back~0), thread4Thread1of1ForFork2_#res#1.base, read~int_#value, #Ultimate.allocInit_~size, ULTIMATE.start_main_#t~ret37#1.base, thread1_assume_abort_if_not_~cond#1, thread2_assume_abort_if_not_~cond#1, thread3_assume_abort_if_not_~cond#1, thread4_assume_abort_if_not_~cond#1, write~init~int_#ptr.base, thread2Thread1of1ForFork3_#t~post16#1, thread2Thread1of1ForFork3_#t~post18#1, thread3Thread1of1ForFork0_#t~mem20#1, thread3Thread1of1ForFork0_#t~mem22#1, ULTIMATE.start_main_#t~ret40#1.offset, ~manager_state~0, old(~manager_state~0), ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, #Ultimate.allocInit_ptrBase, ~node2~0.offset, old(~node2~0.offset), thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet29#1, thread1_#t~post11#1, thread1_#t~post13#1, thread4Thread1of1ForFork2_#res#1.offset, thread2_#t~post16#1, thread2_#t~post18#1, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_#t~nondet30#1, ULTIMATE.start_main_#t~nondet32#1, ULTIMATE.start_main_#t~nondet33#1, ULTIMATE.start_main_#t~nondet35#1, ULTIMATE.start_main_#t~nondet36#1, ULTIMATE.start_main_#t~nondet38#1, ULTIMATE.start_main_#t~nondet39#1, ULTIMATE.start_main_#t~ret34#1.base, thread3_#t~post21#1, thread3_#t~post23#1, thread4_#t~post26#1, thread4_#t~post28#1, ULTIMATE.start_main_#t~nondet41#1, ULTIMATE.start_main_#t~nondet42#1, ULTIMATE.start_main_#t~nondet44#1, ULTIMATE.start_main_#t~nondet46#1, ULTIMATE.start_main_#t~nondet48#1, #length, old(#length), ULTIMATE.start_main_#t~nondet50#1, ULTIMATE.start_main_~#t2~0#1.base, write~int_#sizeOfWrittenType, ULTIMATE.start_main_#t~ret31#1.offset, thread3Thread1of1ForFork0_#res#1.base, ULTIMATE.start_create_fresh_int_array_#t~malloc55#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, old(#StackHeapBarrier), thread2Thread1of1ForFork3_thidvar0, old(thread2Thread1of1ForFork3_thidvar0), thread2Thread1of1ForFork3_thidvar1, old(thread2Thread1of1ForFork3_thidvar1), thread2Thread1of1ForFork3_thidvar2, old(thread2Thread1of1ForFork3_thidvar2), thread1_#t~nondet1#1, thread4Thread1of1ForFork2_#t~nondet24#1, thread1_assume_abort_if_not_#in~cond#1, thread2_assume_abort_if_not_#in~cond#1, thread3_assume_abort_if_not_#in~cond#1, thread4_assume_abort_if_not_#in~cond#1, ~client_size~0, old(~client_size~0), ~node1~0.base, old(~node1~0.base), ULTIMATE.start_create_fresh_int_array_#t~post56#1, ULTIMATE.start_main_~#t4~0#1.base, thread1Thread1of1ForFork1_#t~post11#1, thread1Thread1of1ForFork1_#t~post13#1, thread2Thread1of1ForFork3_#t~mem15#1, thread2Thread1of1ForFork3_#t~mem17#1, ~client_front~0, old(~client_front~0), ULTIMATE.start_main_#t~ret34#1.offset, ULTIMATE.start_main_#t~ret31#1.base, write~int_#ptr.offset, #Ultimate.allocOnHeap_~size, thread1Thread1of1ForFork1_#t~nondet1#1, ~node1_back~0, old(~node1_back~0), thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #memory_int, old(#memory_int), thread3Thread1of1ForFork0_#res#1.offset, ~manager~0.offset, old(~manager~0.offset), thread1_#t~mem10#1, thread1_#t~mem12#1, #Ultimate.allocOnStack_#res.base, thread2_#t~mem15#1, thread2_#t~mem17#1, thread3_#t~mem20#1, thread3_#t~mem22#1, thread4_#t~mem25#1, thread4_#t~mem27#1, ULTIMATE.start_main_#t~ret37#1.offset, thread2Thread1of1ForFork3_#res#1.base, thread3Thread1of1ForFork0_#t~nondet19#1, ~node2_state~0, old(~node2_state~0), read~int_#ptr.offset, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset], Protected Variables before encountering a loop: [] - TimeoutResultAtElement [Line: 206]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 9 procedures, 394 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 883.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 882.1s, 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: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1606 NumberOfCodeBlocks, 1606 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1600 ConstructedInterpolants, 0 QuantifiedInterpolants, 3276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 19/19 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