/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/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/szymanski.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 01:55:12,971 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-04 01:55:13,064 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 01:55:13,092 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 01:55:13,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 01:55:13,092 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 01:55:13,093 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 01:55:13,093 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 01:55:13,094 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 01:55:13,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 01:55:13,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 01:55:13,094 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 01:55:13,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 01:55:13,095 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 01:55:13,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 01:55:13,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 01:55:13,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 01:55:13,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 01:55:13,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 01:55:13,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 01:55:13,096 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 01:55:13,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 01:55:13,097 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 01:55:13,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 01:55:13,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 01:55:13,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 01:55:13,098 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 01:55:13,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 01:55:13,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 01:55:13,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 01:55:13,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 01:55:13,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 01:55:13,099 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 01:55:13,099 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 01:55:13,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 01:55:13,100 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 01:55:13,100 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 01:55:13,100 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 01:55:13,100 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 01:55:13,100 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> true [2023-05-04 01:55:13,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 01:55:13,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 01:55:13,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 01:55:13,396 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 01:55:13,397 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 01:55:13,398 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/szymanski.i [2023-05-04 01:55:13,484 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c9ae380f/879b670577c147a297a0355a20cc3adf/FLAGccc1d21c4 [2023-05-04 01:55:13,904 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 01:55:13,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski.i [2023-05-04 01:55:13,917 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c9ae380f/879b670577c147a297a0355a20cc3adf/FLAGccc1d21c4 [2023-05-04 01:55:13,928 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c9ae380f/879b670577c147a297a0355a20cc3adf [2023-05-04 01:55:13,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 01:55:13,931 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 01:55:13,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 01:55:13,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 01:55:13,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 01:55:13,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 01:55:13" (1/1) ... [2023-05-04 01:55:13,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dc5a29b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:55:13, skipping insertion in model container [2023-05-04 01:55:13,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 01:55:13" (1/1) ... [2023-05-04 01:55:13,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 01:55:13,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 01:55:14,144 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-05-04 01:55:14,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski.i[31505,31518] [2023-05-04 01:55:14,309 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski.i[32915,32928] [2023-05-04 01:55:14,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 01:55:14,324 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 01:55:14,349 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-05-04 01:55:14,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski.i[31505,31518] [2023-05-04 01:55:14,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski.i[32915,32928] [2023-05-04 01:55:14,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 01:55:14,423 INFO L208 MainTranslator]: Completed translation [2023-05-04 01:55:14,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:55:14 WrapperNode [2023-05-04 01:55:14,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 01:55:14,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 01:55:14,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 01:55:14,425 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 01:55:14,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:55:14" (1/1) ... [2023-05-04 01:55:14,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:55:14" (1/1) ... [2023-05-04 01:55:14,476 INFO L138 Inliner]: procedures = 171, calls = 75, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2023-05-04 01:55:14,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 01:55:14,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 01:55:14,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 01:55:14,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 01:55:14,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:55:14" (1/1) ... [2023-05-04 01:55:14,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:55:14" (1/1) ... [2023-05-04 01:55:14,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:55:14" (1/1) ... [2023-05-04 01:55:14,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:55:14" (1/1) ... [2023-05-04 01:55:14,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:55:14" (1/1) ... [2023-05-04 01:55:14,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:55:14" (1/1) ... [2023-05-04 01:55:14,515 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:55:14" (1/1) ... [2023-05-04 01:55:14,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:55:14" (1/1) ... [2023-05-04 01:55:14,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 01:55:14,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 01:55:14,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 01:55:14,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 01:55:14,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:55:14" (1/1) ... [2023-05-04 01:55:14,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 01:55:14,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 01:55:14,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-04 01:55:14,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-04 01:55:14,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 01:55:14,602 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-05-04 01:55:14,602 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-05-04 01:55:14,602 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-05-04 01:55:14,602 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-05-04 01:55:14,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 01:55:14,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 01:55:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 01:55:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 01:55:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 01:55:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 01:55:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 01:55:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 01:55:14,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 01:55:14,604 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 01:55:14,767 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 01:55:14,770 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 01:55:14,927 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 01:55:14,935 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 01:55:14,936 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2023-05-04 01:55:14,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 01:55:14 BoogieIcfgContainer [2023-05-04 01:55:14,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 01:55:14,940 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 01:55:14,940 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 01:55:14,944 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 01:55:14,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 01:55:13" (1/3) ... [2023-05-04 01:55:14,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@485dfda8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 01:55:14, skipping insertion in model container [2023-05-04 01:55:14,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:55:14" (2/3) ... [2023-05-04 01:55:14,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@485dfda8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 01:55:14, skipping insertion in model container [2023-05-04 01:55:14,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 01:55:14" (3/3) ... [2023-05-04 01:55:14,946 INFO L112 eAbstractionObserver]: Analyzing ICFG szymanski.i [2023-05-04 01:55:14,953 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 01:55:14,968 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 01:55:14,969 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-05-04 01:55:14,969 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 01:55:15,058 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 01:55:15,103 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 01:55:15,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 01:55:15,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 01:55:15,109 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 01:55:15,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-04 01:55:15,154 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 01:55:15,185 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2023-05-04 01:55:15,194 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;@5da5e34c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 01:55:15,194 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-05-04 01:55:15,471 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 01:55:15,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 01:55:15,476 INFO L85 PathProgramCache]: Analyzing trace with hash 699725367, now seen corresponding path program 1 times [2023-05-04 01:55:15,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 01:55:15,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347595152] [2023-05-04 01:55:15,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 01:55:15,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 01:55:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 01:55:15,760 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-04 01:55:15,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 01:55:15,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347595152] [2023-05-04 01:55:15,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347595152] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 01:55:15,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 01:55:15,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 01:55:15,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711792399] [2023-05-04 01:55:15,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 01:55:15,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 01:55:15,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 01:55:15,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 01:55:15,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 01:55:15,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:15,793 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 01:55:15,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 01:55:15,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:15,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:15,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 01:55:15,840 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 01:55:15,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 01:55:15,842 INFO L85 PathProgramCache]: Analyzing trace with hash 26294902, now seen corresponding path program 1 times [2023-05-04 01:55:15,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 01:55:15,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318267609] [2023-05-04 01:55:15,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 01:55:15,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 01:55:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 01:55:16,108 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-04 01:55:16,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 01:55:16,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318267609] [2023-05-04 01:55:16,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318267609] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 01:55:16,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 01:55:16,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 01:55:16,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743612089] [2023-05-04 01:55:16,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 01:55:16,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 01:55:16,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 01:55:16,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 01:55:16,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 01:55:16,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:16,113 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 01:55:16,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 01:55:16,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:16,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:16,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:16,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:16,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 01:55:16,237 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 01:55:16,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 01:55:16,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1690577730, now seen corresponding path program 1 times [2023-05-04 01:55:16,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 01:55:16,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121225726] [2023-05-04 01:55:16,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 01:55:16,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 01:55:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 01:55:16,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-04 01:55:16,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 01:55:16,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121225726] [2023-05-04 01:55:16,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121225726] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 01:55:16,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 01:55:16,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 01:55:16,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708439302] [2023-05-04 01:55:16,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 01:55:16,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 01:55:16,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 01:55:16,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 01:55:16,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 01:55:16,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:16,330 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 01:55:16,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 01:55:16,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:16,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:16,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:16,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:16,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:16,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:16,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 01:55:16,408 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 01:55:16,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 01:55:16,409 INFO L85 PathProgramCache]: Analyzing trace with hash -885212580, now seen corresponding path program 1 times [2023-05-04 01:55:16,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 01:55:16,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592014504] [2023-05-04 01:55:16,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 01:55:16,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 01:55:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 01:55:16,522 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-04 01:55:16,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 01:55:16,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592014504] [2023-05-04 01:55:16,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592014504] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 01:55:16,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 01:55:16,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 01:55:16,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463353225] [2023-05-04 01:55:16,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 01:55:16,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 01:55:16,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 01:55:16,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 01:55:16,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 01:55:16,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:16,525 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 01:55:16,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 01:55:16,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:16,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:16,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:16,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:16,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:16,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:16,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:16,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 01:55:16,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-04 01:55:16,602 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 01:55:16,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 01:55:16,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1878791814, now seen corresponding path program 1 times [2023-05-04 01:55:16,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 01:55:16,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215710220] [2023-05-04 01:55:16,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 01:55:16,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 01:55:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 01:55:16,685 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 01:55:16,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 01:55:16,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215710220] [2023-05-04 01:55:16,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215710220] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 01:55:16,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431654855] [2023-05-04 01:55:16,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 01:55:16,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 01:55:16,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 01:55:16,688 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 01:55:16,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 01:55:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 01:55:16,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2023-05-04 01:55:16,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 01:55:16,824 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-04 01:55:16,824 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 01:55:16,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431654855] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 01:55:16,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 01:55:16,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-05-04 01:55:16,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877801806] [2023-05-04 01:55:16,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 01:55:16,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 01:55:16,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 01:55:16,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 01:55:16,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-04 01:55:16,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:16,826 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 01:55:16,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 01:55:16,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:16,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:16,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:16,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 01:55:16,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:17,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:17,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:17,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:17,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:17,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 01:55:17,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 01:55:17,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 01:55:17,345 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 01:55:17,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 01:55:17,346 INFO L85 PathProgramCache]: Analyzing trace with hash 2077381824, now seen corresponding path program 1 times [2023-05-04 01:55:17,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 01:55:17,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092358112] [2023-05-04 01:55:17,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 01:55:17,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 01:55:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 01:55:17,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 01:55:17,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 01:55:17,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092358112] [2023-05-04 01:55:17,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092358112] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 01:55:17,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 01:55:17,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 01:55:17,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107809922] [2023-05-04 01:55:17,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 01:55:17,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 01:55:17,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 01:55:17,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 01:55:17,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 01:55:17,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:17,414 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 01:55:17,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 01:55:17,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:17,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:17,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:17,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:17,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 01:55:17,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:18,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:18,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:18,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:18,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:18,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 01:55:18,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:18,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-05-04 01:55:18,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-04 01:55:18,150 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-05-04 01:55:18,151 INFO L307 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (1/3) [2023-05-04 01:55:18,154 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 01:55:18,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 01:55:18,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 01:55:18,155 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) [2023-05-04 01:55:18,190 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 [2023-05-04 01:55:18,191 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 01:55:18,196 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 01:55:18,197 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;@5da5e34c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 01:55:18,197 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-05-04 01:55:18,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2023-05-04 01:55:18,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-05-04 01:55:18,264 INFO L444 BasicCegarLoop]: Path program histogram: [] [2023-05-04 01:55:18,264 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/3) [2023-05-04 01:55:18,270 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 01:55:18,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 01:55:18,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 01:55:18,272 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) [2023-05-04 01:55:18,275 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 01:55:18,278 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr2Thread1of1ForFork1 ======== [2023-05-04 01:55:18,279 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;@5da5e34c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 01:55:18,279 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-05-04 01:55:18,295 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 [2023-05-04 01:55:18,327 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 01:55:18,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 01:55:18,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1683473473, now seen corresponding path program 1 times [2023-05-04 01:55:18,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 01:55:18,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588652859] [2023-05-04 01:55:18,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 01:55:18,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 01:55:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 01:55:18,353 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 01:55:18,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 01:55:18,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588652859] [2023-05-04 01:55:18,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588652859] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 01:55:18,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 01:55:18,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 01:55:18,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930095733] [2023-05-04 01:55:18,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 01:55:18,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 01:55:18,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 01:55:18,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 01:55:18,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 01:55:18,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:18,356 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 01:55:18,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 01:55:18,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:18,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:18,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-05-04 01:55:18,363 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 01:55:18,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 01:55:18,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1229358498, now seen corresponding path program 1 times [2023-05-04 01:55:18,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 01:55:18,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247148948] [2023-05-04 01:55:18,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 01:55:18,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 01:55:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 01:55:18,417 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-04 01:55:18,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 01:55:18,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247148948] [2023-05-04 01:55:18,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247148948] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 01:55:18,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 01:55:18,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 01:55:18,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299243522] [2023-05-04 01:55:18,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 01:55:18,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 01:55:18,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 01:55:18,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 01:55:18,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 01:55:18,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:18,419 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 01:55:18,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 01:55:18,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:18,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:18,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:18,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:18,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-05-04 01:55:18,455 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 01:55:18,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 01:55:18,456 INFO L85 PathProgramCache]: Analyzing trace with hash 2121193151, now seen corresponding path program 1 times [2023-05-04 01:55:18,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 01:55:18,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196727196] [2023-05-04 01:55:18,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 01:55:18,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 01:55:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 01:55:18,508 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 01:55:18,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 01:55:18,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196727196] [2023-05-04 01:55:18,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196727196] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 01:55:18,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 01:55:18,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 01:55:18,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242765113] [2023-05-04 01:55:18,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 01:55:18,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 01:55:18,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 01:55:18,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 01:55:18,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 01:55:18,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:18,511 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 01:55:18,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 01:55:18,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:18,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:18,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:18,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:18,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:18,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:18,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-05-04 01:55:18,550 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 01:55:18,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 01:55:18,551 INFO L85 PathProgramCache]: Analyzing trace with hash -627684425, now seen corresponding path program 1 times [2023-05-04 01:55:18,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 01:55:18,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29378840] [2023-05-04 01:55:18,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 01:55:18,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 01:55:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 01:55:18,605 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 01:55:18,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 01:55:18,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29378840] [2023-05-04 01:55:18,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29378840] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 01:55:18,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837385302] [2023-05-04 01:55:18,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 01:55:18,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 01:55:18,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 01:55:18,608 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) [2023-05-04 01:55:18,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 01:55:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 01:55:18,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2023-05-04 01:55:18,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 01:55:18,713 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 01:55:18,713 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 01:55:18,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [837385302] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 01:55:18,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 01:55:18,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-05-04 01:55:18,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723619311] [2023-05-04 01:55:18,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 01:55:18,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 01:55:18,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 01:55:18,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 01:55:18,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-04 01:55:18,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:18,715 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 01:55:18,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 01:55:18,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:18,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:18,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:18,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:18,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 01:55:18,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 01:55:18,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-04 01:55:18,958 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 01:55:18,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 01:55:18,958 INFO L85 PathProgramCache]: Analyzing trace with hash 61395293, now seen corresponding path program 1 times [2023-05-04 01:55:18,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 01:55:18,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200842283] [2023-05-04 01:55:18,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 01:55:18,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 01:55:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 01:55:19,004 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 01:55:19,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 01:55:19,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200842283] [2023-05-04 01:55:19,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200842283] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 01:55:19,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599275460] [2023-05-04 01:55:19,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 01:55:19,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 01:55:19,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 01:55:19,006 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) [2023-05-04 01:55:19,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 01:55:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 01:55:19,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjunts are in the unsatisfiable core [2023-05-04 01:55:19,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 01:55:19,120 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 01:55:19,120 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 01:55:19,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1599275460] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 01:55:19,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 01:55:19,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2023-05-04 01:55:19,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832174924] [2023-05-04 01:55:19,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 01:55:19,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 01:55:19,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 01:55:19,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 01:55:19,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-04 01:55:19,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:19,122 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 01:55:19,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 01:55:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 01:55:19,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:19,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:19,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:19,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:19,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 01:55:19,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:19,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 01:55:19,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 01:55:19,621 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 01:55:19,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 01:55:19,621 INFO L85 PathProgramCache]: Analyzing trace with hash 2093657659, now seen corresponding path program 1 times [2023-05-04 01:55:19,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 01:55:19,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540253769] [2023-05-04 01:55:19,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 01:55:19,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 01:55:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 01:55:19,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 01:55:19,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 01:55:19,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540253769] [2023-05-04 01:55:19,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540253769] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 01:55:19,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 01:55:19,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 01:55:19,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524714808] [2023-05-04 01:55:19,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 01:55:19,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 01:55:19,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 01:55:19,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 01:55:19,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 01:55:19,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:19,673 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 01:55:19,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 01:55:19,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:19,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:19,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:19,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 01:55:19,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:19,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:19,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:19,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:19,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:19,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 01:55:19,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:19,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:19,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-05-04 01:55:19,831 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 01:55:19,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 01:55:19,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1153550151, now seen corresponding path program 2 times [2023-05-04 01:55:19,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 01:55:19,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889688782] [2023-05-04 01:55:19,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 01:55:19,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 01:55:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 01:55:19,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 01:55:19,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 01:55:19,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889688782] [2023-05-04 01:55:19,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889688782] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 01:55:19,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 01:55:19,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 01:55:19,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72761127] [2023-05-04 01:55:19,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 01:55:19,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 01:55:19,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 01:55:19,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 01:55:19,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 01:55:19,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:19,871 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 01:55:19,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 01:55:19,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:19,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:19,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:19,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 01:55:19,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:19,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:19,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:20,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:20,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:20,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:20,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 01:55:20,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:20,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:20,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:20,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-05-04 01:55:20,377 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 01:55:20,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 01:55:20,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1913668669, now seen corresponding path program 1 times [2023-05-04 01:55:20,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 01:55:20,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941210283] [2023-05-04 01:55:20,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 01:55:20,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 01:55:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 01:55:20,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 01:55:20,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 01:55:20,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941210283] [2023-05-04 01:55:20,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941210283] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 01:55:20,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689109197] [2023-05-04 01:55:20,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 01:55:20,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 01:55:20,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 01:55:20,417 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) [2023-05-04 01:55:20,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 01:55:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 01:55:20,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 3 conjunts are in the unsatisfiable core [2023-05-04 01:55:20,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 01:55:20,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 01:55:20,506 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 01:55:20,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 01:55:20,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689109197] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 01:55:20,527 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 01:55:20,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2023-05-04 01:55:20,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127838189] [2023-05-04 01:55:20,527 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 01:55:20,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 01:55:20,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 01:55:20,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 01:55:20,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-05-04 01:55:20,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:20,529 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 01:55:20,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 01:55:20,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:20,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:20,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:20,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 01:55:20,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:20,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:20,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:20,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:21,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 01:55:21,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:21,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:21,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 01:55:21,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:21,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:21,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 01:55:21,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 01:55:21,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-05-04 01:55:21,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-04 01:55:21,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 01:55:21,306 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2023-05-04 01:55:21,306 INFO L307 ceAbstractionStarter]: Result for error location thr2Thread1of1ForFork1 was SAFE (3/3) [2023-05-04 01:55:21,307 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 01:55:21,307 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 01:55:21,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 01:55:21 BasicIcfg [2023-05-04 01:55:21,310 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 01:55:21,311 INFO L158 Benchmark]: Toolchain (without parser) took 7379.49ms. Allocated memory was 194.0MB in the beginning and 386.9MB in the end (delta: 192.9MB). Free memory was 162.9MB in the beginning and 298.8MB in the end (delta: -136.0MB). Peak memory consumption was 56.3MB. Max. memory is 8.0GB. [2023-05-04 01:55:21,311 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 194.0MB. Free memory is still 150.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 01:55:21,311 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.78ms. Allocated memory was 194.0MB in the beginning and 266.3MB in the end (delta: 72.4MB). Free memory was 162.6MB in the beginning and 223.9MB in the end (delta: -61.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-05-04 01:55:21,311 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.64ms. Allocated memory is still 266.3MB. Free memory was 223.9MB in the beginning and 221.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 01:55:21,312 INFO L158 Benchmark]: Boogie Preprocessor took 50.47ms. Allocated memory is still 266.3MB. Free memory was 221.9MB in the beginning and 220.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 01:55:21,312 INFO L158 Benchmark]: RCFGBuilder took 409.41ms. Allocated memory is still 266.3MB. Free memory was 220.2MB in the beginning and 205.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-05-04 01:55:21,312 INFO L158 Benchmark]: TraceAbstraction took 6370.74ms. Allocated memory was 266.3MB in the beginning and 386.9MB in the end (delta: 120.6MB). Free memory was 204.0MB in the beginning and 298.8MB in the end (delta: -94.8MB). Peak memory consumption was 26.7MB. Max. memory is 8.0GB. [2023-05-04 01:55:21,313 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 194.0MB. Free memory is still 150.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 491.78ms. Allocated memory was 194.0MB in the beginning and 266.3MB in the end (delta: 72.4MB). Free memory was 162.6MB in the beginning and 223.9MB in the end (delta: -61.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.64ms. Allocated memory is still 266.3MB. Free memory was 223.9MB in the beginning and 221.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.47ms. Allocated memory is still 266.3MB. Free memory was 221.9MB in the beginning and 220.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 409.41ms. Allocated memory is still 266.3MB. Free memory was 220.2MB in the beginning and 205.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 6370.74ms. Allocated memory was 266.3MB in the beginning and 386.9MB in the end (delta: 120.6MB). Free memory was 204.0MB in the beginning and 298.8MB in the end (delta: -94.8MB). Peak memory consumption was 26.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 25724, independent: 22534, independent conditional: 19017, independent unconditional: 3517, dependent: 3190, dependent conditional: 3031, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23552, independent: 22534, independent conditional: 19017, independent unconditional: 3517, dependent: 1018, dependent conditional: 859, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 23552, independent: 22534, independent conditional: 19017, independent unconditional: 3517, dependent: 1018, dependent conditional: 859, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25239, independent: 22534, independent conditional: 0, independent unconditional: 22534, dependent: 2705, dependent conditional: 1687, dependent unconditional: 1018, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 25239, independent: 22534, independent conditional: 0, independent unconditional: 22534, dependent: 2705, dependent conditional: 170, dependent unconditional: 2535, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25239, independent: 22534, independent conditional: 0, independent unconditional: 22534, dependent: 2705, dependent conditional: 170, dependent unconditional: 2535, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3511, independent: 3319, independent conditional: 0, independent unconditional: 3319, dependent: 192, dependent conditional: 33, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3511, independent: 3315, independent conditional: 0, independent unconditional: 3315, dependent: 196, dependent conditional: 0, dependent unconditional: 196, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 196, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 192, dependent conditional: 33, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 196, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 192, dependent conditional: 33, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 316, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 267, dependent conditional: 38, dependent unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 25239, independent: 19215, independent conditional: 0, independent unconditional: 19215, dependent: 2513, dependent conditional: 137, dependent unconditional: 2376, unknown: 3511, unknown conditional: 33, unknown unconditional: 3478] , Statistics on independence cache: Total cache size (in pairs): 3511, Positive cache size: 3319, Positive conditional cache size: 0, Positive unconditional cache size: 3319, Negative cache size: 192, Negative conditional cache size: 33, Negative unconditional cache size: 159, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1517, Maximal queried relation: 4, Independence queries for same thread: 2172 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.5s, Number of persistent set computation: 2363, Number of trivial persistent sets: 2224, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3676, independent: 3517, independent conditional: 0, independent unconditional: 3517, dependent: 159, dependent conditional: 0, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 25724, independent: 22534, independent conditional: 19017, independent unconditional: 3517, dependent: 3190, dependent conditional: 3031, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23552, independent: 22534, independent conditional: 19017, independent unconditional: 3517, dependent: 1018, dependent conditional: 859, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 23552, independent: 22534, independent conditional: 19017, independent unconditional: 3517, dependent: 1018, dependent conditional: 859, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25239, independent: 22534, independent conditional: 0, independent unconditional: 22534, dependent: 2705, dependent conditional: 1687, dependent unconditional: 1018, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 25239, independent: 22534, independent conditional: 0, independent unconditional: 22534, dependent: 2705, dependent conditional: 170, dependent unconditional: 2535, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25239, independent: 22534, independent conditional: 0, independent unconditional: 22534, dependent: 2705, dependent conditional: 170, dependent unconditional: 2535, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3511, independent: 3319, independent conditional: 0, independent unconditional: 3319, dependent: 192, dependent conditional: 33, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3511, independent: 3315, independent conditional: 0, independent unconditional: 3315, dependent: 196, dependent conditional: 0, dependent unconditional: 196, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 196, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 192, dependent conditional: 33, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 196, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 192, dependent conditional: 33, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 316, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 267, dependent conditional: 38, dependent unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 25239, independent: 19215, independent conditional: 0, independent unconditional: 19215, dependent: 2513, dependent conditional: 137, dependent unconditional: 2376, unknown: 3511, unknown conditional: 33, unknown unconditional: 3478] , Statistics on independence cache: Total cache size (in pairs): 3511, Positive cache size: 3319, Positive conditional cache size: 0, Positive unconditional cache size: 3319, Negative cache size: 192, Negative conditional cache size: 33, Negative unconditional cache size: 159, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1517, Maximal queried relation: 4, Independence queries for same thread: 2172 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 797, independent: 791, independent conditional: 33, independent unconditional: 758, dependent: 6, dependent conditional: 3, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 794, independent: 791, independent conditional: 33, independent unconditional: 758, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 794, independent: 791, independent conditional: 33, independent unconditional: 758, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 794, independent: 791, independent conditional: 0, independent unconditional: 791, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 794, independent: 791, independent conditional: 0, independent unconditional: 791, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 794, independent: 791, independent conditional: 0, independent unconditional: 791, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 761, independent: 758, independent conditional: 0, independent unconditional: 758, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 761, independent: 757, independent conditional: 0, independent unconditional: 757, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 794, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 761, unknown conditional: 0, unknown unconditional: 761] , Statistics on independence cache: Total cache size (in pairs): 761, Positive cache size: 758, Positive conditional cache size: 0, Positive unconditional cache size: 758, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 3 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 45, Number of trivial persistent sets: 39, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 761, independent: 758, independent conditional: 0, independent unconditional: 758, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 797, independent: 791, independent conditional: 33, independent unconditional: 758, dependent: 6, dependent conditional: 3, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 794, independent: 791, independent conditional: 33, independent unconditional: 758, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 794, independent: 791, independent conditional: 33, independent unconditional: 758, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 794, independent: 791, independent conditional: 0, independent unconditional: 791, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 794, independent: 791, independent conditional: 0, independent unconditional: 791, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 794, independent: 791, independent conditional: 0, independent unconditional: 791, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 761, independent: 758, independent conditional: 0, independent unconditional: 758, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 761, independent: 757, independent conditional: 0, independent unconditional: 757, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 794, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 761, unknown conditional: 0, unknown unconditional: 761] , Statistics on independence cache: Total cache size (in pairs): 761, Positive cache size: 758, Positive conditional cache size: 0, Positive unconditional cache size: 758, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 3 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 51128, independent: 44546, independent conditional: 40964, independent unconditional: 3582, dependent: 6582, dependent conditional: 6424, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 46422, independent: 44546, independent conditional: 40964, independent unconditional: 3582, dependent: 1876, dependent conditional: 1718, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 46422, independent: 44546, independent conditional: 40964, independent unconditional: 3582, dependent: 1876, dependent conditional: 1718, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 50063, independent: 44546, independent conditional: 0, independent unconditional: 44546, dependent: 5517, dependent conditional: 3641, dependent unconditional: 1876, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 50063, independent: 44546, independent conditional: 0, independent unconditional: 44546, dependent: 5517, dependent conditional: 1289, dependent unconditional: 4228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 50063, independent: 44546, independent conditional: 0, independent unconditional: 44546, dependent: 5517, dependent conditional: 1289, dependent unconditional: 4228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3653, independent: 3379, independent conditional: 0, independent unconditional: 3379, dependent: 274, dependent conditional: 116, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3653, independent: 3376, independent conditional: 0, independent unconditional: 3376, dependent: 277, dependent conditional: 0, dependent unconditional: 277, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 277, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 274, dependent conditional: 116, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 277, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 274, dependent conditional: 116, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 248, independent: 16, independent conditional: 0, independent unconditional: 16, dependent: 232, dependent conditional: 111, dependent unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 50063, independent: 41167, independent conditional: 0, independent unconditional: 41167, dependent: 5243, dependent conditional: 1173, dependent unconditional: 4070, unknown: 3653, unknown conditional: 116, unknown unconditional: 3537] , Statistics on independence cache: Total cache size (in pairs): 3653, Positive cache size: 3379, Positive conditional cache size: 0, Positive unconditional cache size: 3379, Negative cache size: 274, Negative conditional cache size: 116, Negative unconditional cache size: 158, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2352, Maximal queried relation: 4, Independence queries for same thread: 4706 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 2383, Number of trivial persistent sets: 2193, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3740, independent: 3582, independent conditional: 0, independent unconditional: 3582, dependent: 158, dependent conditional: 0, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 51128, independent: 44546, independent conditional: 40964, independent unconditional: 3582, dependent: 6582, dependent conditional: 6424, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 46422, independent: 44546, independent conditional: 40964, independent unconditional: 3582, dependent: 1876, dependent conditional: 1718, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 46422, independent: 44546, independent conditional: 40964, independent unconditional: 3582, dependent: 1876, dependent conditional: 1718, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 50063, independent: 44546, independent conditional: 0, independent unconditional: 44546, dependent: 5517, dependent conditional: 3641, dependent unconditional: 1876, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 50063, independent: 44546, independent conditional: 0, independent unconditional: 44546, dependent: 5517, dependent conditional: 1289, dependent unconditional: 4228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 50063, independent: 44546, independent conditional: 0, independent unconditional: 44546, dependent: 5517, dependent conditional: 1289, dependent unconditional: 4228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3653, independent: 3379, independent conditional: 0, independent unconditional: 3379, dependent: 274, dependent conditional: 116, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3653, independent: 3376, independent conditional: 0, independent unconditional: 3376, dependent: 277, dependent conditional: 0, dependent unconditional: 277, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 277, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 274, dependent conditional: 116, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 277, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 274, dependent conditional: 116, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 248, independent: 16, independent conditional: 0, independent unconditional: 16, dependent: 232, dependent conditional: 111, dependent unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 50063, independent: 41167, independent conditional: 0, independent unconditional: 41167, dependent: 5243, dependent conditional: 1173, dependent unconditional: 4070, unknown: 3653, unknown conditional: 116, unknown unconditional: 3537] , Statistics on independence cache: Total cache size (in pairs): 3653, Positive cache size: 3379, Positive conditional cache size: 0, Positive unconditional cache size: 3379, Negative cache size: 274, Negative conditional cache size: 116, Negative unconditional cache size: 158, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2352, Maximal queried relation: 4, Independence queries for same thread: 4706 - PositiveResult [Line: 745]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 802]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 154 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.6s, 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: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 454 NumberOfCodeBlocks, 454 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 447 ConstructedInterpolants, 0 QuantifiedInterpolants, 539 SizeOfPredicates, 0 NumberOfNonLiveVariables, 156 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 39/40 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 154 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 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 errors in thread instance: thr2Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 154 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.7s, 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: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 661 NumberOfCodeBlocks, 661 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 710 ConstructedInterpolants, 0 QuantifiedInterpolants, 908 SizeOfPredicates, 2 NumberOfNonLiveVariables, 465 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 42/50 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-05-04 01:55:21,348 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 [2023-05-04 01:55:21,556 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 [2023-05-04 01:55:21,767 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 [2023-05-04 01:55:21,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...