/usr/bin/java -Xmx7000000000 -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/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONLY_ONE_CEGAR -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-08 05:30:44,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-08 05:30:44,125 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-09-08 05:30:44,130 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-08 05:30:44,131 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-08 05:30:44,131 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-08 05:30:44,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-08 05:30:44,169 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-08 05:30:44,169 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-08 05:30:44,170 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-08 05:30:44,170 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-08 05:30:44,170 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-08 05:30:44,171 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-08 05:30:44,171 INFO L153 SettingsManager]: * Use SBE=true [2023-09-08 05:30:44,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-08 05:30:44,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-08 05:30:44,172 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-08 05:30:44,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-08 05:30:44,173 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-08 05:30:44,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-08 05:30:44,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-08 05:30:44,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-08 05:30:44,177 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-08 05:30:44,178 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-08 05:30:44,182 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-08 05:30:44,182 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-08 05:30:44,182 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-08 05:30:44,183 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-08 05:30:44,183 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-08 05:30:44,183 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-08 05:30:44,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 05:30:44,184 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-08 05:30:44,184 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-08 05:30:44,185 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-08 05:30:44,185 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-08 05:30:44,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-08 05:30:44,185 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-08 05:30:44,185 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-08 05:30:44,185 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-08 05:30:44,186 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-09-08 05:30:44,186 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONLY_ONE_CEGAR [2023-09-08 05:30:44,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-08 05:30:44,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-08 05:30:44,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-08 05:30:44,431 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-08 05:30:44,431 INFO L274 PluginConnector]: CDTParser initialized [2023-09-08 05:30:44,432 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2023-09-08 05:30:45,595 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-08 05:30:45,805 INFO L384 CDTParser]: Found 1 translation units. [2023-09-08 05:30:45,805 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2023-09-08 05:30:45,815 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d3fc609b/60dc071c4e4e4302a91fffed818ed319/FLAGea2669927 [2023-09-08 05:30:45,832 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d3fc609b/60dc071c4e4e4302a91fffed818ed319 [2023-09-08 05:30:45,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-08 05:30:45,835 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-08 05:30:45,837 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-08 05:30:45,837 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-08 05:30:45,841 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-08 05:30:45,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 05:30:45" (1/1) ... [2023-09-08 05:30:45,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35d72687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:30:45, skipping insertion in model container [2023-09-08 05:30:45,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 05:30:45" (1/1) ... [2023-09-08 05:30:45,875 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-08 05:30:46,070 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c[4218,4231] [2023-09-08 05:30:46,078 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 05:30:46,085 INFO L202 MainTranslator]: Completed pre-run [2023-09-08 05:30:46,107 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c[4218,4231] [2023-09-08 05:30:46,111 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 05:30:46,118 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-08 05:30:46,119 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-08 05:30:46,124 INFO L206 MainTranslator]: Completed translation [2023-09-08 05:30:46,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:30:46 WrapperNode [2023-09-08 05:30:46,125 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-08 05:30:46,126 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-08 05:30:46,126 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-08 05:30:46,126 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-08 05:30:46,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:30:46" (1/1) ... [2023-09-08 05:30:46,140 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:30:46" (1/1) ... [2023-09-08 05:30:46,168 INFO L138 Inliner]: procedures = 27, calls = 80, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 317 [2023-09-08 05:30:46,169 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-08 05:30:46,169 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-08 05:30:46,170 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-08 05:30:46,170 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-08 05:30:46,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:30:46" (1/1) ... [2023-09-08 05:30:46,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:30:46" (1/1) ... [2023-09-08 05:30:46,182 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:30:46" (1/1) ... [2023-09-08 05:30:46,182 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:30:46" (1/1) ... [2023-09-08 05:30:46,190 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:30:46" (1/1) ... [2023-09-08 05:30:46,194 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:30:46" (1/1) ... [2023-09-08 05:30:46,196 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:30:46" (1/1) ... [2023-09-08 05:30:46,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:30:46" (1/1) ... [2023-09-08 05:30:46,201 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-08 05:30:46,202 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-08 05:30:46,202 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-08 05:30:46,202 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-08 05:30:46,203 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:30:46" (1/1) ... [2023-09-08 05:30:46,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 05:30:46,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:30:46,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-08 05:30:46,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-08 05:30:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-08 05:30:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-08 05:30:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-08 05:30:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-08 05:30:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-08 05:30:46,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-08 05:30:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-08 05:30:46,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-08 05:30:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-09-08 05:30:46,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-09-08 05:30:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-09-08 05:30:46,263 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-09-08 05:30:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-08 05:30:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-08 05:30:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-08 05:30:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-08 05:30:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-08 05:30:46,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-08 05:30:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-08 05:30:46,265 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-08 05:30:46,359 INFO L236 CfgBuilder]: Building ICFG [2023-09-08 05:30:46,360 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-08 05:30:46,716 INFO L277 CfgBuilder]: Performing block encoding [2023-09-08 05:30:46,908 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-08 05:30:46,908 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-09-08 05:30:46,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 05:30:46 BoogieIcfgContainer [2023-09-08 05:30:46,911 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-08 05:30:46,914 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-08 05:30:46,914 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-08 05:30:46,917 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-08 05:30:46,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 05:30:45" (1/3) ... [2023-09-08 05:30:46,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@441342d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 05:30:46, skipping insertion in model container [2023-09-08 05:30:46,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:30:46" (2/3) ... [2023-09-08 05:30:46,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@441342d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 05:30:46, skipping insertion in model container [2023-09-08 05:30:46,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 05:30:46" (3/3) ... [2023-09-08 05:30:46,920 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult.wvr.c [2023-09-08 05:30:46,927 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-08 05:30:46,936 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-08 05:30:46,936 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-08 05:30:46,936 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-08 05:30:47,022 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-09-08 05:30:47,067 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 05:30:47,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 05:30:47,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:30:47,075 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 05:30:47,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-09-08 05:30:47,115 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 05:30:47,120 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 05:30:47,125 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;@e57cb2b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 05:30:47,125 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-09-08 05:30:47,506 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-09-08 05:30:47,511 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:30:47,511 INFO L85 PathProgramCache]: Analyzing trace with hash 277279243, now seen corresponding path program 1 times [2023-09-08 05:30:47,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:30:47,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615537202] [2023-09-08 05:30:47,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:30:47,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:30:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:30:47,922 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-09-08 05:30:47,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:30:47,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615537202] [2023-09-08 05:30:47,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615537202] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 05:30:47,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 05:30:47,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-08 05:30:47,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315817346] [2023-09-08 05:30:47,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 05:30:47,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-08 05:30:47,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:30:47,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-08 05:30:47,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-08 05:30:47,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:30:47,953 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:30:47,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 90.0) internal successors, (180), 2 states have internal predecessors, (180), 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) [2023-09-08 05:30:47,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:30:48,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:30:48,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-08 05:30:48,062 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-09-08 05:30:48,062 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:30:48,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1402586846, now seen corresponding path program 1 times [2023-09-08 05:30:48,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:30:48,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319611317] [2023-09-08 05:30:48,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:30:48,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:30:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:30:48,670 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-09-08 05:30:48,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:30:48,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319611317] [2023-09-08 05:30:48,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319611317] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 05:30:48,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 05:30:48,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-08 05:30:48,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038511930] [2023-09-08 05:30:48,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 05:30:48,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-08 05:30:48,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:30:48,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-08 05:30:48,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-09-08 05:30:48,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:30:48,676 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:30:48,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.333333333333332) internal successors, (176), 6 states have internal predecessors, (176), 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) [2023-09-08 05:30:48,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:30:48,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:30:48,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:30:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:30:48,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-08 05:30:48,882 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-09-08 05:30:48,882 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:30:48,882 INFO L85 PathProgramCache]: Analyzing trace with hash 620674672, now seen corresponding path program 1 times [2023-09-08 05:30:48,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:30:48,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788726318] [2023-09-08 05:30:48,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:30:48,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:30:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:30:49,264 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-09-08 05:30:49,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:30:49,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788726318] [2023-09-08 05:30:49,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788726318] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 05:30:49,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 05:30:49,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-08 05:30:49,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515565957] [2023-09-08 05:30:49,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 05:30:49,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-08 05:30:49,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:30:49,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-08 05:30:49,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-09-08 05:30:49,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:30:49,268 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:30:49,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.0) internal successors, (186), 6 states have internal predecessors, (186), 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) [2023-09-08 05:30:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:30:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:30:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:30:49,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:30:49,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:30:49,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:30:49,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-08 05:30:49,443 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-09-08 05:30:49,443 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:30:49,444 INFO L85 PathProgramCache]: Analyzing trace with hash -65241357, now seen corresponding path program 1 times [2023-09-08 05:30:49,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:30:49,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164905841] [2023-09-08 05:30:49,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:30:49,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:30:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:30:49,892 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-09-08 05:30:49,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:30:49,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164905841] [2023-09-08 05:30:49,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164905841] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 05:30:49,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105396046] [2023-09-08 05:30:49,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:30:49,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:30:49,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:30:49,943 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 05:30:49,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-09-08 05:30:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:30:50,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 9 conjunts are in the unsatisfiable core [2023-09-08 05:30:50,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 05:30:50,469 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-09-08 05:30:50,472 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 05:30:50,804 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-09-08 05:30:50,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105396046] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 05:30:50,809 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 05:30:50,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-09-08 05:30:50,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105796714] [2023-09-08 05:30:50,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 05:30:50,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-09-08 05:30:50,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:30:50,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-09-08 05:30:50,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-09-08 05:30:50,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:30:50,813 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:30:50,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 14.31578947368421) internal successors, (272), 19 states have internal predecessors, (272), 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) [2023-09-08 05:30:50,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:30:50,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:30:50,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:30:50,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:30:51,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:30:51,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:30:51,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:30:51,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-08 05:30:51,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-09-08 05:30:51,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-09-08 05:30:51,393 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-09-08 05:30:51,393 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:30:51,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1804866181, now seen corresponding path program 2 times [2023-09-08 05:30:51,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:30:51,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518674498] [2023-09-08 05:30:51,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:30:51,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:30:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:30:51,836 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-09-08 05:30:51,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:30:51,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518674498] [2023-09-08 05:30:51,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518674498] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 05:30:51,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360803141] [2023-09-08 05:30:51,838 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-08 05:30:51,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:30:51,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:30:51,841 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 05:30:51,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-09-08 05:30:52,021 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-08 05:30:52,022 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 05:30:52,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 9 conjunts are in the unsatisfiable core [2023-09-08 05:30:52,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 05:30:52,238 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-09-08 05:30:52,238 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 05:30:52,509 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-09-08 05:30:52,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360803141] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 05:30:52,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 05:30:52,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-09-08 05:30:52,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339426746] [2023-09-08 05:30:52,510 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 05:30:52,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-09-08 05:30:52,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:30:52,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-09-08 05:30:52,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-09-08 05:30:52,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:30:52,513 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:30:52,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 14.894736842105264) internal successors, (283), 19 states have internal predecessors, (283), 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) [2023-09-08 05:30:52,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:30:52,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:30:52,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:30:52,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-08 05:30:52,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:30:52,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:30:52,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:30:52,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:30:52,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-08 05:30:52,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-08 05:30:52,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-09-08 05:30:53,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:30:53,016 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-09-08 05:30:53,017 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:30:53,017 INFO L85 PathProgramCache]: Analyzing trace with hash 2075848200, now seen corresponding path program 3 times [2023-09-08 05:30:53,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:30:53,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81720505] [2023-09-08 05:30:53,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:30:53,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:30:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:31:00,599 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 1 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 05:31:00,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:31:00,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81720505] [2023-09-08 05:31:00,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81720505] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 05:31:00,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423592602] [2023-09-08 05:31:00,600 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-08 05:31:00,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:31:00,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:31:00,605 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 05:31:00,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-09-08 05:31:00,835 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-09-08 05:31:00,835 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 05:31:00,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 160 conjunts are in the unsatisfiable core [2023-09-08 05:31:00,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 05:31:01,895 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-09-08 05:31:02,771 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-09-08 05:31:04,126 INFO L322 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-09-08 05:31:04,127 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-09-08 05:31:04,725 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-09-08 05:31:05,260 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-09-08 05:31:06,497 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-09-08 05:31:06,735 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-09-08 05:31:06,950 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-09-08 05:31:07,127 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-09-08 05:31:09,770 INFO L322 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2023-09-08 05:31:09,770 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 27 [2023-09-08 05:31:09,796 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 05:31:09,796 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 05:31:17,546 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 05:31:17,546 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 337 treesize of output 268 [2023-09-08 05:31:23,383 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 05:31:23,384 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 370 treesize of output 262 [2023-09-08 05:31:23,691 INFO L322 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2023-09-08 05:31:23,699 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1565331416 treesize of output 1548013556 [2023-09-08 05:31:28,213 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-08 05:31:28,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-08 05:31:28,542 INFO L322 Elim1Store]: treesize reduction 16, result has 93.3 percent of original size [2023-09-08 05:31:28,544 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 25 case distinctions, treesize of input 47996 treesize of output 47230 [2023-09-08 05:31:29,150 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-08 05:31:29,154 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-08 05:31:29,163 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-08 05:31:29,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-08 05:31:29,350 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 05:31:29,351 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 47008 treesize of output 45830 [2023-09-08 05:31:30,034 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-08 05:31:30,040 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-08 05:31:30,054 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-08 05:31:30,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-08 05:31:30,294 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 05:31:30,295 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 45608 treesize of output 34630 [2023-09-08 05:31:31,034 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-08 05:31:31,040 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-08 05:31:31,050 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-08 05:31:31,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-08 05:31:31,244 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 05:31:31,246 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 34408 treesize of output 31830 [2023-09-08 05:31:32,061 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-08 05:31:32,066 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-08 05:31:32,074 INFO L173 IndexEqualityManager]: detected equality via solver [2023-09-08 05:31:32,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-09-08 05:31:32,276 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 05:31:32,278 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 31608 treesize of output 26230 Received shutdown request... [2023-09-08 05:44:32,900 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-08 05:44:32,900 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-08 05:44:32,904 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-09-08 05:44:32,905 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2023-09-08 05:44:32,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-09-08 05:44:33,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:44:33,112 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 221 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-84-9-2-12-3-7-3-11-3-7-3-9-4-7-4-7-3-7-3-7-3-7-3-7-3-4-3-4-3-3-3-2-2-2-1 context. [2023-09-08 05:44:33,113 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-09-08 05:44:33,113 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-09-08 05:44:33,114 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-09-08 05:44:33,114 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-09-08 05:44:33,118 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1] [2023-09-08 05:44:33,120 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-08 05:44:33,121 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-08 05:44:33,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 05:44:33 BasicIcfg [2023-09-08 05:44:33,123 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-08 05:44:33,123 INFO L158 Benchmark]: Toolchain (without parser) took 827288.10ms. Allocated memory was 217.1MB in the beginning and 1.2GB in the end (delta: 942.7MB). Free memory was 164.9MB in the beginning and 903.8MB in the end (delta: -738.8MB). Peak memory consumption was 707.1MB. Max. memory is 7.0GB. [2023-09-08 05:44:33,124 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 158.3MB. Free memory was 112.2MB in the beginning and 112.1MB in the end (delta: 70.8kB). There was no memory consumed. Max. memory is 7.0GB. [2023-09-08 05:44:33,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.10ms. Allocated memory is still 217.1MB. Free memory was 164.9MB in the beginning and 151.9MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 7.0GB. [2023-09-08 05:44:33,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.14ms. Allocated memory is still 217.1MB. Free memory was 151.9MB in the beginning and 149.2MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. [2023-09-08 05:44:33,127 INFO L158 Benchmark]: Boogie Preprocessor took 31.83ms. Allocated memory is still 217.1MB. Free memory was 149.2MB in the beginning and 147.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-08 05:44:33,127 INFO L158 Benchmark]: RCFGBuilder took 708.89ms. Allocated memory is still 217.1MB. Free memory was 147.1MB in the beginning and 172.8MB in the end (delta: -25.7MB). Peak memory consumption was 40.3MB. Max. memory is 7.0GB. [2023-09-08 05:44:33,127 INFO L158 Benchmark]: TraceAbstraction took 826209.11ms. Allocated memory was 217.1MB in the beginning and 1.2GB in the end (delta: 942.7MB). Free memory was 171.8MB in the beginning and 903.8MB in the end (delta: -732.0MB). Peak memory consumption was 712.9MB. Max. memory is 7.0GB. [2023-09-08 05:44:33,132 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 158.3MB. Free memory was 112.2MB in the beginning and 112.1MB in the end (delta: 70.8kB). There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 288.10ms. Allocated memory is still 217.1MB. Free memory was 164.9MB in the beginning and 151.9MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 43.14ms. Allocated memory is still 217.1MB. Free memory was 151.9MB in the beginning and 149.2MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 31.83ms. Allocated memory is still 217.1MB. Free memory was 149.2MB in the beginning and 147.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 708.89ms. Allocated memory is still 217.1MB. Free memory was 147.1MB in the beginning and 172.8MB in the end (delta: -25.7MB). Peak memory consumption was 40.3MB. Max. memory is 7.0GB. * TraceAbstraction took 826209.11ms. Allocated memory was 217.1MB in the beginning and 1.2GB in the end (delta: 942.7MB). Free memory was 171.8MB in the beginning and 903.8MB in the end (delta: -732.0MB). Peak memory consumption was 712.9MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 35874, independent: 30516, independent conditional: 30516, independent unconditional: 0, dependent: 5358, dependent conditional: 5358, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31074, independent: 30516, independent conditional: 30516, independent unconditional: 0, dependent: 558, dependent conditional: 558, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 31074, independent: 30516, independent conditional: 30516, independent unconditional: 0, dependent: 558, dependent conditional: 558, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32469, independent: 30516, independent conditional: 0, independent unconditional: 30516, dependent: 1953, dependent conditional: 1395, dependent unconditional: 558, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 32469, independent: 30516, independent conditional: 0, independent unconditional: 30516, dependent: 1953, dependent conditional: 216, dependent unconditional: 1737, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 32469, independent: 30516, independent conditional: 0, independent unconditional: 30516, dependent: 1953, dependent conditional: 216, dependent unconditional: 1737, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 586, independent: 571, independent conditional: 0, independent unconditional: 571, dependent: 15, dependent conditional: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 586, independent: 569, independent conditional: 0, independent unconditional: 569, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 17, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 15, dependent conditional: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 15, dependent conditional: 6, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, independent: 18, independent conditional: 0, independent unconditional: 18, dependent: 136, dependent conditional: 34, dependent unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 32469, independent: 29945, independent conditional: 0, independent unconditional: 29945, dependent: 1938, dependent conditional: 210, dependent unconditional: 1728, unknown: 586, unknown conditional: 6, unknown unconditional: 580] , Statistics on independence cache: Total cache size (in pairs): 586, Positive cache size: 571, Positive conditional cache size: 0, Positive unconditional cache size: 571, Negative cache size: 15, Negative conditional cache size: 6, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1179, Maximal queried relation: 5, Independence queries for same thread: 4800 - TimeoutResultAtElement [Line: 152]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 221 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-84-9-2-12-3-7-3-11-3-7-3-9-4-7-4-7-3-7-3-7-3-7-3-7-3-4-3-4-3-3-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 143]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 221 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-84-9-2-12-3-7-3-11-3-7-3-9-4-7-4-7-3-7-3-7-3-7-3-7-3-4-3-4-3-3-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 145]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 221 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-84-9-2-12-3-7-3-11-3-7-3-9-4-7-4-7-3-7-3-7-3-7-3-7-3-4-3-4-3-3-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 144]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 221 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-84-9-2-12-3-7-3-11-3-7-3-9-4-7-4-7-3-7-3-7-3-7-3-7-3-4-3-4-3-3-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 142]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 221 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-84-9-2-12-3-7-3-11-3-7-3-9-4-7-4-7-3-7-3-7-3-7-3-7-3-4-3-4-3-3-3-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 241 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 826.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1410 NumberOfCodeBlocks, 1410 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1817 ConstructedInterpolants, 0 QuantifiedInterpolants, 4085 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1192 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 218/238 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