/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/circular_buffer_bad.line338.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-09-29 21:30:25,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 21:30:25,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 21:30:25,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 21:30:25,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 21:30:25,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 21:30:25,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 21:30:25,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 21:30:25,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 21:30:25,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 21:30:25,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 21:30:25,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 21:30:25,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 21:30:25,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 21:30:25,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 21:30:25,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 21:30:25,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 21:30:25,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 21:30:25,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 21:30:25,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 21:30:25,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 21:30:25,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 21:30:25,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 21:30:25,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 21:30:25,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-29 21:30:25,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-29 21:30:25,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-29 21:30:25,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-29 21:30:25,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-29 21:30:25,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-29 21:30:25,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-29 21:30:25,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-29 21:30:25,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-29 21:30:25,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-29 21:30:25,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-29 21:30:25,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-29 21:30:25,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-29 21:30:25,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-29 21:30:25,098 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 21:30:25,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 21:30:25,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 21:30:25,100 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-09-29 21:30:25,127 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 21:30:25,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 21:30:25,127 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 21:30:25,127 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 21:30:25,128 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-29 21:30:25,128 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-29 21:30:25,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 21:30:25,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 21:30:25,129 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 21:30:25,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 21:30:25,129 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 21:30:25,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 21:30:25,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 21:30:25,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 21:30:25,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-29 21:30:25,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-29 21:30:25,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-29 21:30:25,130 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 21:30:25,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 21:30:25,130 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 21:30:25,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-29 21:30:25,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 21:30:25,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 21:30:25,131 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-29 21:30:25,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-29 21:30:25,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 21:30:25,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 21:30:25,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-29 21:30:25,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-29 21:30:25,132 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 21:30:25,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-29 21:30:25,132 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-29 21:30:25,132 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-09-29 21:30:25,132 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-29 21:30:25,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-29 21:30:25,133 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-09-29 21:30:25,133 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-09-29 21:30:25,133 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-09-29 21:30:25,133 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 21:30:25,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 21:30:25,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 21:30:25,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 21:30:25,372 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 21:30:25,374 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 21:30:25,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/circular_buffer_bad.line338.bpl [2022-09-29 21:30:25,375 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/circular_buffer_bad.line338.bpl' [2022-09-29 21:30:25,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 21:30:25,413 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-09-29 21:30:25,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 21:30:25,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 21:30:25,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 21:30:25,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "circular_buffer_bad.line338.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:30:25" (1/1) ... [2022-09-29 21:30:25,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "circular_buffer_bad.line338.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:30:25" (1/1) ... [2022-09-29 21:30:25,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "circular_buffer_bad.line338.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:30:25" (1/1) ... [2022-09-29 21:30:25,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "circular_buffer_bad.line338.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:30:25" (1/1) ... [2022-09-29 21:30:25,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "circular_buffer_bad.line338.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:30:25" (1/1) ... [2022-09-29 21:30:25,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "circular_buffer_bad.line338.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:30:25" (1/1) ... [2022-09-29 21:30:25,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "circular_buffer_bad.line338.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:30:25" (1/1) ... [2022-09-29 21:30:25,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 21:30:25,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 21:30:25,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 21:30:25,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 21:30:25,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "circular_buffer_bad.line338.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:30:25" (1/1) ... [2022-09-29 21:30:25,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 21:30:25,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:30:25,534 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) [2022-09-29 21:30:25,548 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 [2022-09-29 21:30:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-09-29 21:30:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-09-29 21:30:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-09-29 21:30:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-09-29 21:30:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 21:30:25,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 21:30:25,591 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-29 21:30:25,704 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 21:30:25,705 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 21:30:26,134 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 21:30:26,148 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 21:30:26,148 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-09-29 21:30:26,151 INFO L202 PluginConnector]: Adding new model circular_buffer_bad.line338.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 09:30:26 BoogieIcfgContainer [2022-09-29 21:30:26,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 21:30:26,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-29 21:30:26,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-29 21:30:26,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-29 21:30:26,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "circular_buffer_bad.line338.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:30:25" (1/2) ... [2022-09-29 21:30:26,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a39404f and model type circular_buffer_bad.line338.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 09:30:26, skipping insertion in model container [2022-09-29 21:30:26,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "circular_buffer_bad.line338.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 09:30:26" (2/2) ... [2022-09-29 21:30:26,163 INFO L112 eAbstractionObserver]: Analyzing ICFG circular_buffer_bad.line338.bpl [2022-09-29 21:30:26,169 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-29 21:30:26,176 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-29 21:30:26,176 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-29 21:30:26,176 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-29 21:30:26,274 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-09-29 21:30:26,320 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 21:30:26,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 21:30:26,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:30:26,335 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) [2022-09-29 21:30:26,336 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 [2022-09-29 21:30:26,362 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 21:30:26,368 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-09-29 21:30:26,373 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;@1d77e8f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 21:30:26,373 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 21:30:26,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-09-29 21:30:26,658 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-29 21:30:26,661 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (1/4) [2022-09-29 21:30:26,677 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 21:30:26,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 21:30:26,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:30:26,679 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-09-29 21:30:26,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-09-29 21:30:26,683 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 21:30:26,683 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-09-29 21:30:26,684 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;@1d77e8f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 21:30:26,684 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 21:30:26,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-09-29 21:30:26,690 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-29 21:30:26,692 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/4) [2022-09-29 21:30:26,695 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 21:30:26,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 21:30:26,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:30:26,728 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-09-29 21:30:26,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-09-29 21:30:26,733 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 21:30:26,733 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Err0ASSERT_VIOLATIONASSERT ======== [2022-09-29 21:30:26,734 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;@1d77e8f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 21:30:26,734 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 21:30:26,734 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-09-29 21:30:26,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-29 21:30:26,735 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-29 21:30:26,735 INFO L307 ceAbstractionStarter]: Result for error location t2Err0ASSERT_VIOLATIONASSERT was SAFE (3/4) [2022-09-29 21:30:26,752 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 21:30:26,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 21:30:26,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:30:26,754 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-09-29 21:30:26,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-09-29 21:30:26,774 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 21:30:26,774 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Err0ASSERT_VIOLATIONASSERT ======== [2022-09-29 21:30:26,774 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;@1d77e8f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 21:30:26,774 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 21:30:26,884 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONASSERT === [t2Err0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:30:26,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:30:26,888 INFO L85 PathProgramCache]: Analyzing trace with hash 343655029, now seen corresponding path program 1 times [2022-09-29 21:30:26,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:30:26,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091668395] [2022-09-29 21:30:26,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:30:26,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:30:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:30:27,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 21:30:27,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:30:27,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091668395] [2022-09-29 21:30:27,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091668395] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 21:30:27,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 21:30:27,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-29 21:30:27,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270338255] [2022-09-29 21:30:27,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 21:30:27,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-29 21:30:27,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:30:27,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-29 21:30:27,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-29 21:30:27,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:30:27,351 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:30:27,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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) [2022-09-29 21:30:27,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:30:27,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-29 21:30:27,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-29 21:30:27,610 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONASSERT === [t2Err0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:30:27,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:30:27,610 INFO L85 PathProgramCache]: Analyzing trace with hash -956893917, now seen corresponding path program 1 times [2022-09-29 21:30:27,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:30:27,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207086475] [2022-09-29 21:30:27,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:30:27,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:30:27,685 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-09-29 21:30:27,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1649309350] [2022-09-29 21:30:27,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:30:27,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:30:27,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:30:27,701 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-29 21:30:27,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-09-29 21:30:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:30:27,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 17 conjunts are in the unsatisfiable core [2022-09-29 21:30:27,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 21:30:28,107 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-09-29 21:30:28,205 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 21:30:28,205 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-09-29 21:30:28,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:30:28,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207086475] [2022-09-29 21:30:28,206 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-09-29 21:30:28,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649309350] [2022-09-29 21:30:28,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649309350] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 21:30:28,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 21:30:28,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-09-29 21:30:28,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120112732] [2022-09-29 21:30:28,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 21:30:28,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-09-29 21:30:28,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:30:28,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-09-29 21:30:28,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-09-29 21:30:28,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:30:28,209 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:30:28,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.285714285714285) internal successors, (233), 7 states have internal predecessors, (233), 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) [2022-09-29 21:30:28,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-29 21:30:28,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:30:28,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-29 21:30:28,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-29 21:30:28,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-09-29 21:30:28,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:30:28,871 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONASSERT === [t2Err0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:30:28,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:30:28,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1520267446, now seen corresponding path program 1 times [2022-09-29 21:30:28,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:30:28,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691195291] [2022-09-29 21:30:28,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:30:28,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:30:28,925 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-09-29 21:30:28,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1806792705] [2022-09-29 21:30:28,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:30:28,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:30:28,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:30:28,933 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-29 21:30:28,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-09-29 21:30:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:30:29,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 14 conjunts are in the unsatisfiable core [2022-09-29 21:30:29,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 21:30:29,270 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2022-09-29 21:30:29,304 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-09-29 21:30:29,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 21:30:29,315 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:30:29,316 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 12 treesize of output 8 [2022-09-29 21:30:29,334 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-09-29 21:30:29,409 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-09-29 21:30:29,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:30:29,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691195291] [2022-09-29 21:30:29,410 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-09-29 21:30:29,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806792705] [2022-09-29 21:30:29,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806792705] provided 1 perfect and 1 imperfect interpolant sequences [2022-09-29 21:30:29,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-09-29 21:30:29,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2022-09-29 21:30:29,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790807555] [2022-09-29 21:30:29,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 21:30:29,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-29 21:30:29,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:30:29,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-29 21:30:29,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-09-29 21:30:29,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:30:29,412 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:30:29,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 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) [2022-09-29 21:30:29,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-29 21:30:29,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-09-29 21:30:29,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:30:29,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-29 21:30:29,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-29 21:30:29,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-29 21:30:29,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-09-29 21:30:29,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:30:29,914 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONASSERT === [t2Err0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:30:29,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:30:29,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1462434533, now seen corresponding path program 2 times [2022-09-29 21:30:29,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:30:29,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332180719] [2022-09-29 21:30:29,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:30:29,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:30:29,955 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-09-29 21:30:29,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1990285904] [2022-09-29 21:30:29,956 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-09-29 21:30:29,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:30:29,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:30:29,957 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-29 21:30:29,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-09-29 21:30:30,095 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-09-29 21:30:30,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-09-29 21:30:30,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 25 conjunts are in the unsatisfiable core [2022-09-29 21:30:30,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 21:30:30,773 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-09-29 21:30:30,773 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-09-29 21:30:30,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:30:30,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332180719] [2022-09-29 21:30:30,773 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-09-29 21:30:30,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990285904] [2022-09-29 21:30:30,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990285904] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 21:30:30,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 21:30:30,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-09-29 21:30:30,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61151040] [2022-09-29 21:30:30,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 21:30:30,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-09-29 21:30:30,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:30:30,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-09-29 21:30:30,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-09-29 21:30:30,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:30:30,776 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:30:30,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 24.555555555555557) internal successors, (221), 10 states have internal predecessors, (221), 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) [2022-09-29 21:30:30,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-29 21:30:30,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-09-29 21:30:30,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-29 21:30:30,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:30:31,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-29 21:30:31,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-29 21:30:31,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-29 21:30:31,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-09-29 21:30:31,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-09-29 21:30:31,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:30:31,536 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONASSERT === [t2Err0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:30:31,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:30:31,537 INFO L85 PathProgramCache]: Analyzing trace with hash -102176440, now seen corresponding path program 1 times [2022-09-29 21:30:31,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:30:31,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943777237] [2022-09-29 21:30:31,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:30:31,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:30:31,561 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-09-29 21:30:31,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1105500409] [2022-09-29 21:30:31,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:30:31,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:30:31,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:30:31,563 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-29 21:30:31,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-09-29 21:30:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:30:31,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 63 conjunts are in the unsatisfiable core [2022-09-29 21:30:31,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 21:30:31,732 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 6 [2022-09-29 21:30:31,959 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-09-29 21:30:31,960 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-09-29 21:30:32,056 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-09-29 21:30:32,057 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-09-29 21:30:32,260 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-09-29 21:30:32,366 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-09-29 21:30:32,990 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2022-09-29 21:30:33,126 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-09-29 21:30:33,211 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 76 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 21:30:33,212 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 21:30:36,680 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (<= (mod |c_t1Thread1of1ForFork0_insertLogElement_~b#1| 256) 127))) (and (or (not .cse0) (forall ((|t1Thread1of1ForFork0_write~int_#ptr#1.offset| Int) (|t2Thread1of1ForFork1_read~int_#ptr#1.offset| Int)) (not (= (select (store (select |c_t1Thread1of1ForFork0_write~int_old_#memory_int#1| |c_~#buffer~0.base|) |t1Thread1of1ForFork0_write~int_#ptr#1.offset| (mod |c_t1Thread1of1ForFork0_insertLogElement_~b#1| 256)) |t2Thread1of1ForFork1_read~int_#ptr#1.offset|) |c_t2Thread1of1ForFork1_~i~1#1|)))) (or .cse0 (forall ((|t1Thread1of1ForFork0_write~int_#ptr#1.offset| Int) (|t2Thread1of1ForFork1_read~int_#ptr#1.offset| Int)) (not (= (select (store (select |c_t1Thread1of1ForFork0_write~int_old_#memory_int#1| |c_~#buffer~0.base|) |t1Thread1of1ForFork0_write~int_#ptr#1.offset| (+ (- 256) (mod |c_t1Thread1of1ForFork0_insertLogElement_~b#1| 256))) |t2Thread1of1ForFork1_read~int_#ptr#1.offset|) |c_t2Thread1of1ForFork1_~i~1#1|)))))) is different from false [2022-09-29 21:30:37,047 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (<= (mod |c_t1Thread1of1ForFork0_insertLogElement_~b#1| 256) 127))) (and (or (forall ((|t1Thread1of1ForFork0_write~int_#ptr#1.offset| Int) (|t2Thread1of1ForFork1_read~int_#ptr#1.offset| Int)) (not (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) |t1Thread1of1ForFork0_write~int_#ptr#1.offset| (mod |c_t1Thread1of1ForFork0_insertLogElement_~b#1| 256)) |t2Thread1of1ForFork1_read~int_#ptr#1.offset|) |c_t2Thread1of1ForFork1_~i~1#1|))) (not .cse0)) (or (forall ((|t1Thread1of1ForFork0_write~int_#ptr#1.offset| Int) (|t2Thread1of1ForFork1_read~int_#ptr#1.offset| Int)) (not (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) |t1Thread1of1ForFork0_write~int_#ptr#1.offset| (+ (- 256) (mod |c_t1Thread1of1ForFork0_insertLogElement_~b#1| 256))) |t2Thread1of1ForFork1_read~int_#ptr#1.offset|) |c_t2Thread1of1ForFork1_~i~1#1|))) .cse0))) is different from false [2022-09-29 21:30:37,413 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (<= (mod |c_t1Thread1of1ForFork0_insertLogElement_#in~b#1| 256) 127))) (and (or (forall ((|t1Thread1of1ForFork0_write~int_#ptr#1.offset| Int) (|t2Thread1of1ForFork1_read~int_#ptr#1.offset| Int)) (not (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) |t1Thread1of1ForFork0_write~int_#ptr#1.offset| (mod |c_t1Thread1of1ForFork0_insertLogElement_#in~b#1| 256)) |t2Thread1of1ForFork1_read~int_#ptr#1.offset|) |c_t2Thread1of1ForFork1_~i~1#1|))) (not .cse0)) (or (forall ((|t1Thread1of1ForFork0_write~int_#ptr#1.offset| Int) (|t2Thread1of1ForFork1_read~int_#ptr#1.offset| Int)) (not (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) |t1Thread1of1ForFork0_write~int_#ptr#1.offset| (+ (- 256) (mod |c_t1Thread1of1ForFork0_insertLogElement_#in~b#1| 256))) |t2Thread1of1ForFork1_read~int_#ptr#1.offset|) |c_t2Thread1of1ForFork1_~i~1#1|))) .cse0))) is different from false [2022-09-29 21:30:37,816 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (<= (mod |c_t1Thread1of1ForFork0_~i~0#1| 256) 127))) (and (or .cse0 (forall ((|t1Thread1of1ForFork0_write~int_#ptr#1.offset| Int) (|t2Thread1of1ForFork1_read~int_#ptr#1.offset| Int)) (not (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) |t1Thread1of1ForFork0_write~int_#ptr#1.offset| (+ (mod |c_t1Thread1of1ForFork0_~i~0#1| 256) (- 256))) |t2Thread1of1ForFork1_read~int_#ptr#1.offset|) |c_t2Thread1of1ForFork1_~i~1#1|)))) (or (not .cse0) (forall ((|t1Thread1of1ForFork0_write~int_#ptr#1.offset| Int) (|t2Thread1of1ForFork1_read~int_#ptr#1.offset| Int)) (not (= (select (store (select |c_#memory_int| |c_~#buffer~0.base|) |t1Thread1of1ForFork0_write~int_#ptr#1.offset| (mod |c_t1Thread1of1ForFork0_~i~0#1| 256)) |t2Thread1of1ForFork1_read~int_#ptr#1.offset|) |c_t2Thread1of1ForFork1_~i~1#1|)))))) is different from false [2022-09-29 21:30:51,185 WARN L833 $PredicateComparison]: unable to prove that (forall ((|t1Thread1of1ForFork0_write~int_#ptr#1.offset| Int) (|t2Thread1of1ForFork1_read~int_#ptr#1.offset| Int) (v_ArrVal_335 (Array Int Int)) (v_ArrVal_334 (Array Int Int))) (not (= (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_334) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_335) |c_~#buffer~0.base|) |t1Thread1of1ForFork0_write~int_#ptr#1.offset| 0) |t2Thread1of1ForFork1_read~int_#ptr#1.offset|) 1))) is different from false [2022-09-29 21:30:51,232 WARN L833 $PredicateComparison]: unable to prove that (forall ((|t1Thread1of1ForFork0_write~int_#ptr#1.offset| Int) (|t2Thread1of1ForFork1_read~int_#ptr#1.offset| Int) (v_ArrVal_335 (Array Int Int)) (v_ArrVal_334 (Array Int Int))) (not (= (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_334) |c_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| v_ArrVal_335) |c_~#buffer~0.base|) |t1Thread1of1ForFork0_write~int_#ptr#1.offset| 0) |t2Thread1of1ForFork1_read~int_#ptr#1.offset|) 1))) is different from false [2022-09-29 21:30:51,432 WARN L833 $PredicateComparison]: unable to prove that (forall ((|t1Thread1of1ForFork0_write~int_#ptr#1.offset| Int) (v_ArrVal_333 Int) (|t2Thread1of1ForFork1_read~int_#ptr#1.offset| Int) (|v_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base_16| Int) (v_ArrVal_335 (Array Int Int)) (v_ArrVal_334 (Array Int Int))) (or (not (= (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| v_ArrVal_334) |v_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base_16| v_ArrVal_335) |c_~#buffer~0.base|) |t1Thread1of1ForFork0_write~int_#ptr#1.offset| 0) |t2Thread1of1ForFork1_read~int_#ptr#1.offset|) 1)) (not (= (select (store |c_ULTIMATE.start_#Ultimate.allocOnStack_old_#valid#1| |c_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| v_ArrVal_333) |v_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base_16|) 0)))) is different from false [2022-09-29 21:30:51,958 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 65 [2022-09-29 21:30:51,961 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 61 [2022-09-29 21:30:52,058 INFO L356 Elim1Store]: treesize reduction 14, result has 44.0 percent of original size [2022-09-29 21:30:52,059 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 37 [2022-09-29 21:30:52,094 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 76 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 12 not checked. [2022-09-29 21:30:52,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:30:52,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943777237] [2022-09-29 21:30:52,094 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-09-29 21:30:52,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105500409] [2022-09-29 21:30:52,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1105500409] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-29 21:30:52,094 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-09-29 21:30:52,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 67 [2022-09-29 21:30:52,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957724133] [2022-09-29 21:30:52,095 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-09-29 21:30:52,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2022-09-29 21:30:52,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:30:52,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2022-09-29 21:30:52,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=251, Invalid=3254, Unknown=63, NotChecked=854, Total=4422 [2022-09-29 21:30:52,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:30:52,099 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:30:52,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 7.940298507462686) internal successors, (532), 67 states have internal predecessors, (532), 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) [2022-09-29 21:30:52,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-29 21:30:52,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-09-29 21:30:52,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-29 21:30:52,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-09-29 21:30:52,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:30:53,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-29 21:30:53,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-29 21:30:53,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-29 21:30:53,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-09-29 21:30:53,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-09-29 21:30:53,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-09-29 21:30:53,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:30:53,544 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONASSERT === [t2Err0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:30:53,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:30:53,544 INFO L85 PathProgramCache]: Analyzing trace with hash 309633605, now seen corresponding path program 2 times [2022-09-29 21:30:53,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:30:53,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730582890] [2022-09-29 21:30:53,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:30:53,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:30:53,583 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-09-29 21:30:53,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [556045887] [2022-09-29 21:30:53,584 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-09-29 21:30:53,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:30:53,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:30:53,585 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-29 21:30:53,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-09-29 21:30:53,821 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-09-29 21:30:53,821 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-09-29 21:30:53,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 55 conjunts are in the unsatisfiable core [2022-09-29 21:30:53,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 21:30:54,341 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-09-29 21:30:54,341 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-09-29 21:30:54,416 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-09-29 21:30:54,572 INFO L356 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-09-29 21:30:54,573 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-09-29 21:30:54,642 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-09-29 21:30:56,426 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-09-29 21:30:56,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 21:31:06,398 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:31:06,399 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 137 treesize of output 139 [2022-09-29 21:31:06,980 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-09-29 21:31:06,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:31:06,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730582890] [2022-09-29 21:31:06,980 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-09-29 21:31:06,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556045887] [2022-09-29 21:31:06,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556045887] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-29 21:31:06,980 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-09-29 21:31:06,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 21] total 46 [2022-09-29 21:31:06,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111457586] [2022-09-29 21:31:06,981 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-09-29 21:31:06,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-09-29 21:31:06,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:31:06,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-09-29 21:31:06,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=1972, Unknown=0, NotChecked=0, Total=2162 [2022-09-29 21:31:06,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:31:06,983 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:31:06,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 11.195652173913043) internal successors, (515), 47 states have internal predecessors, (515), 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) [2022-09-29 21:31:06,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-29 21:31:06,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-09-29 21:31:06,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-29 21:31:06,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-09-29 21:31:06,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-09-29 21:31:06,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:31:21,724 WARN L233 SmtUtils]: Spent 6.14s on a formula simplification. DAG size of input: 51 DAG size of output: 30 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-09-29 21:31:27,359 WARN L233 SmtUtils]: Spent 5.61s on a formula simplification. DAG size of input: 49 DAG size of output: 28 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-09-29 21:31:36,995 WARN L233 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-09-29 21:32:08,407 WARN L233 SmtUtils]: Spent 27.79s on a formula simplification. DAG size of input: 50 DAG size of output: 46 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-09-29 21:32:20,743 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((|t1Thread1of1ForFork0_write~int_#ptr#1.offset| Int) (|t2Thread1of1ForFork1_read~int_#ptr#1.offset| Int)) (not (= (select (select (store |c_t1Thread1of1ForFork0_write~int_old_#memory_int#1| |c_t1Thread1of1ForFork0_write~int_#ptr#1.base| (store (select |c_t1Thread1of1ForFork0_write~int_old_#memory_int#1| |c_t1Thread1of1ForFork0_write~int_#ptr#1.base|) |t1Thread1of1ForFork0_write~int_#ptr#1.offset| |c_t1Thread1of1ForFork0_write~int_#value#1|)) |c_~#buffer~0.base|) |t2Thread1of1ForFork1_read~int_#ptr#1.offset|) |c_t2Thread1of1ForFork1_~i~1#1|))) (= 3 |c_~#buffer~0.base|)) is different from false [2022-09-29 21:32:41,359 WARN L233 SmtUtils]: Spent 6.95s on a formula simplification. DAG size of input: 53 DAG size of output: 32 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-09-29 21:32:56,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-29 21:32:56,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-29 21:32:56,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-29 21:32:56,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-09-29 21:32:56,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-09-29 21:32:56,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-09-29 21:32:56,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-29 21:32:56,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-09-29 21:32:57,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:32:57,033 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1] [2022-09-29 21:32:57,033 INFO L307 ceAbstractionStarter]: Result for error location t2Err0ASSERT_VIOLATIONASSERT was SAFE (4/4) [2022-09-29 21:32:57,035 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-29 21:32:57,035 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-29 21:32:57,038 INFO L202 PluginConnector]: Adding new model circular_buffer_bad.line338.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 09:32:57 BasicIcfg [2022-09-29 21:32:57,038 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-29 21:32:57,038 INFO L158 Benchmark]: Toolchain (without parser) took 151625.78ms. Allocated memory was 188.7MB in the beginning and 4.5GB in the end (delta: 4.3GB). Free memory was 146.3MB in the beginning and 3.3GB in the end (delta: -3.2GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2022-09-29 21:32:57,039 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.17ms. Allocated memory is still 188.7MB. Free memory was 149.0MB in the beginning and 148.8MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 21:32:57,039 INFO L158 Benchmark]: Boogie Preprocessor took 85.34ms. Allocated memory is still 188.7MB. Free memory was 146.2MB in the beginning and 143.4MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-29 21:32:57,039 INFO L158 Benchmark]: RCFGBuilder took 645.50ms. Allocated memory is still 188.7MB. Free memory was 143.4MB in the beginning and 159.0MB in the end (delta: -15.6MB). Peak memory consumption was 23.5MB. Max. memory is 8.0GB. [2022-09-29 21:32:57,039 INFO L158 Benchmark]: TraceAbstraction took 150885.09ms. Allocated memory was 188.7MB in the beginning and 4.5GB in the end (delta: 4.3GB). Free memory was 158.4MB in the beginning and 3.3GB in the end (delta: -3.2GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2022-09-29 21:32:57,040 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.17ms. Allocated memory is still 188.7MB. Free memory was 149.0MB in the beginning and 148.8MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 85.34ms. Allocated memory is still 188.7MB. Free memory was 146.2MB in the beginning and 143.4MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 645.50ms. Allocated memory is still 188.7MB. Free memory was 143.4MB in the beginning and 159.0MB in the end (delta: -15.6MB). Peak memory consumption was 23.5MB. Max. memory is 8.0GB. * TraceAbstraction took 150885.09ms. Allocated memory was 188.7MB in the beginning and 4.5GB in the end (delta: 4.3GB). Free memory was 158.4MB in the beginning and 3.3GB in the end (delta: -3.2GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 772, positive: 692, positive conditional: 692, positive unconditional: 0, negative: 80, negative conditional: 80, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 772, positive: 692, positive conditional: 692, positive unconditional: 0, negative: 80, negative conditional: 80, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 694, positive: 692, positive conditional: 0, positive unconditional: 692, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 689, positive: 687, positive conditional: 0, positive unconditional: 687, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 694, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 689, unknown conditional: 0, unknown unconditional: 689] , Statistics on independence cache: Total cache size (in pairs): 689, Positive cache size: 687, Positive conditional cache size: 0, Positive unconditional cache size: 687, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 78, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 106, positive: 101, positive conditional: 101, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2151150, positive: 2011604, positive conditional: 2011604, positive unconditional: 0, negative: 139546, negative conditional: 139546, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2022430, positive: 2011604, positive conditional: 0, positive unconditional: 2011604, negative: 10826, negative conditional: 0, negative unconditional: 10826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6343, positive: 6319, positive conditional: 0, positive unconditional: 6319, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2022430, positive: 2005285, positive conditional: 0, positive unconditional: 2005285, negative: 10802, negative conditional: 0, negative unconditional: 10802, unknown: 6343, unknown conditional: 0, unknown unconditional: 6343] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 5, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 7116, positive: 6698, positive conditional: 6698, positive unconditional: 0, negative: 418, negative conditional: 418, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2151150, positive: 2011604, positive conditional: 2011604, positive unconditional: 0, negative: 139546, negative conditional: 139546, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2022430, positive: 2011604, positive conditional: 0, positive unconditional: 2011604, negative: 10826, negative conditional: 0, negative unconditional: 10826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6343, positive: 6319, positive conditional: 0, positive unconditional: 6319, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2022430, positive: 2005285, positive conditional: 0, positive unconditional: 2005285, negative: 10802, negative conditional: 0, negative unconditional: 10802, unknown: 6343, unknown conditional: 0, unknown unconditional: 6343] , Statistics on independence cache: Total cache size (in pairs): 941, Positive cache size: 937, Positive conditional cache size: 0, Positive unconditional cache size: 937, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Independence queries for same thread: 414, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 23292, positive: 22016, positive conditional: 22016, positive unconditional: 0, negative: 1276, negative conditional: 1276, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2151150, positive: 2011604, positive conditional: 2011604, positive unconditional: 0, negative: 139546, negative conditional: 139546, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2022430, positive: 2011604, positive conditional: 0, positive unconditional: 2011604, negative: 10826, negative conditional: 0, negative unconditional: 10826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6343, positive: 6319, positive conditional: 0, positive unconditional: 6319, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2022430, positive: 2005285, positive conditional: 0, positive unconditional: 2005285, negative: 10802, negative conditional: 0, negative unconditional: 10802, unknown: 6343, unknown conditional: 0, unknown unconditional: 6343] , Statistics on independence cache: Total cache size (in pairs): 1909, Positive cache size: 1900, Positive conditional cache size: 0, Positive unconditional cache size: 1900, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Independence queries for same thread: 1640, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 25182, positive: 23691, positive conditional: 23691, positive unconditional: 0, negative: 1491, negative conditional: 1491, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2151150, positive: 2011604, positive conditional: 2011604, positive unconditional: 0, negative: 139546, negative conditional: 139546, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2022430, positive: 2011604, positive conditional: 0, positive unconditional: 2011604, negative: 10826, negative conditional: 0, negative unconditional: 10826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6343, positive: 6319, positive conditional: 0, positive unconditional: 6319, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2022430, positive: 2005285, positive conditional: 0, positive unconditional: 2005285, negative: 10802, negative conditional: 0, negative unconditional: 10802, unknown: 6343, unknown conditional: 0, unknown unconditional: 6343] , Statistics on independence cache: Total cache size (in pairs): 1924, Positive cache size: 1914, Positive conditional cache size: 0, Positive unconditional cache size: 1914, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Independence queries for same thread: 3079, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 34576, positive: 32670, positive conditional: 32670, positive unconditional: 0, negative: 1906, negative conditional: 1906, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2151150, positive: 2011604, positive conditional: 2011604, positive unconditional: 0, negative: 139546, negative conditional: 139546, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2022430, positive: 2011604, positive conditional: 0, positive unconditional: 2011604, negative: 10826, negative conditional: 0, negative unconditional: 10826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6343, positive: 6319, positive conditional: 0, positive unconditional: 6319, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2022430, positive: 2005285, positive conditional: 0, positive unconditional: 2005285, negative: 10802, negative conditional: 0, negative unconditional: 10802, unknown: 6343, unknown conditional: 0, unknown unconditional: 6343] , Statistics on independence cache: Total cache size (in pairs): 2242, Positive cache size: 2230, Positive conditional cache size: 0, Positive unconditional cache size: 2230, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Independence queries for same thread: 4921, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 12471, positive: 11681, positive conditional: 11681, positive unconditional: 0, negative: 790, negative conditional: 790, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2151150, positive: 2011604, positive conditional: 2011604, positive unconditional: 0, negative: 139546, negative conditional: 139546, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2022430, positive: 2011604, positive conditional: 0, positive unconditional: 2011604, negative: 10826, negative conditional: 0, negative unconditional: 10826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6343, positive: 6319, positive conditional: 0, positive unconditional: 6319, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2022430, positive: 2005285, positive conditional: 0, positive unconditional: 2005285, negative: 10802, negative conditional: 0, negative unconditional: 10802, unknown: 6343, unknown conditional: 0, unknown unconditional: 6343] , Statistics on independence cache: Total cache size (in pairs): 2851, Positive cache size: 2838, Positive conditional cache size: 0, Positive unconditional cache size: 2838, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Independence queries for same thread: 5662, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2048407, positive: 1914747, positive conditional: 1914747, positive unconditional: 0, negative: 133660, negative conditional: 133660, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2151150, positive: 2011604, positive conditional: 2011604, positive unconditional: 0, negative: 139546, negative conditional: 139546, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2022430, positive: 2011604, positive conditional: 0, positive unconditional: 2011604, negative: 10826, negative conditional: 0, negative unconditional: 10826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6343, positive: 6319, positive conditional: 0, positive unconditional: 6319, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2022430, positive: 2005285, positive conditional: 0, positive unconditional: 2005285, negative: 10802, negative conditional: 0, negative unconditional: 10802, unknown: 6343, unknown conditional: 0, unknown unconditional: 6343] , Statistics on independence cache: Total cache size (in pairs): 6343, Positive cache size: 6319, Positive conditional cache size: 0, Positive unconditional cache size: 6319, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, Independence queries for same thread: 128720, Statistics for Abstraction: - PositiveResult [Line: 338]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 388 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 388 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: t2Err0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 5 procedures, 388 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: t2Err0ASSERT_VIOLATIONASSERT with 2 thread instances CFG has 5 procedures, 388 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 150.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 112.7s, 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: 159, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 35.1s InterpolantComputationTime, 1531 NumberOfCodeBlocks, 1368 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 2420 ConstructedInterpolants, 317 QuantifiedInterpolants, 40433 SizeOfPredicates, 104 NumberOfNonLiveVariables, 2814 ConjunctsInSsa, 174 ConjunctsInUnsatCore, 9 InterpolantComputations, 4 PerfectInterpolantSequences, 505/562 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-29 21:32:57,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Forceful destruction successful, exit code 0 [2022-09-29 21:32:57,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2022-09-29 21:32:57,476 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2022-09-29 21:32:57,679 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-09-29 21:32:57,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...