/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 false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/04_incdec_cas.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 19:33:29,379 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-04 19:33:29,450 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 19:33:29,471 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 19:33:29,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 19:33:29,472 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 19:33:29,472 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 19:33:29,473 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 19:33:29,473 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 19:33:29,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 19:33:29,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 19:33:29,473 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 19:33:29,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 19:33:29,474 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 19:33:29,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 19:33:29,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 19:33:29,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 19:33:29,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 19:33:29,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 19:33:29,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 19:33:29,475 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 19:33:29,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 19:33:29,475 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 19:33:29,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 19:33:29,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 19:33:29,475 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 19:33:29,476 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 19:33:29,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 19:33:29,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 19:33:29,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 19:33:29,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 19:33:29,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 19:33:29,476 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 19:33:29,477 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 19:33:29,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 19:33:29,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 19:33:29,477 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 19:33:29,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 19:33:29,477 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 19:33:29,477 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 19:33:29,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 19:33:29,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 19:33:29,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 19:33:29,667 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 19:33:29,668 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 19:33:29,669 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/04_incdec_cas.i [2023-05-04 19:33:29,719 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/991769b76/20bb286ce6254833a2103644933ba385/FLAG9b4c8ed5f [2023-05-04 19:33:30,152 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 19:33:30,152 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/04_incdec_cas.i [2023-05-04 19:33:30,161 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/991769b76/20bb286ce6254833a2103644933ba385/FLAG9b4c8ed5f [2023-05-04 19:33:30,170 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/991769b76/20bb286ce6254833a2103644933ba385 [2023-05-04 19:33:30,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 19:33:30,173 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 19:33:30,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 19:33:30,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 19:33:30,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 19:33:30,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:33:30" (1/1) ... [2023-05-04 19:33:30,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4221932d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:33:30, skipping insertion in model container [2023-05-04 19:33:30,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:33:30" (1/1) ... [2023-05-04 19:33:30,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 19:33:30,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 19:33:30,457 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-ext/04_incdec_cas.i[30285,30298] [2023-05-04 19:33:30,463 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-ext/04_incdec_cas.i[30729,30742] [2023-05-04 19:33:30,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 19:33:30,471 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 19:33:30,491 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-ext/04_incdec_cas.i[30285,30298] [2023-05-04 19:33:30,499 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-ext/04_incdec_cas.i[30729,30742] [2023-05-04 19:33:30,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 19:33:30,527 INFO L208 MainTranslator]: Completed translation [2023-05-04 19:33:30,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:33:30 WrapperNode [2023-05-04 19:33:30,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 19:33:30,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 19:33:30,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 19:33:30,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 19:33:30,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:33:30" (1/1) ... [2023-05-04 19:33:30,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:33:30" (1/1) ... [2023-05-04 19:33:30,566 INFO L138 Inliner]: procedures = 172, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 158 [2023-05-04 19:33:30,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 19:33:30,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 19:33:30,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 19:33:30,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 19:33:30,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:33:30" (1/1) ... [2023-05-04 19:33:30,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:33:30" (1/1) ... [2023-05-04 19:33:30,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:33:30" (1/1) ... [2023-05-04 19:33:30,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:33:30" (1/1) ... [2023-05-04 19:33:30,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:33:30" (1/1) ... [2023-05-04 19:33:30,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:33:30" (1/1) ... [2023-05-04 19:33:30,596 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:33:30" (1/1) ... [2023-05-04 19:33:30,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:33:30" (1/1) ... [2023-05-04 19:33:30,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 19:33:30,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 19:33:30,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 19:33:30,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 19:33:30,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:33:30" (1/1) ... [2023-05-04 19:33:30,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 19:33:30,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:33:30,622 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 19:33:30,633 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 19:33:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 19:33:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-05-04 19:33:30,647 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-05-04 19:33:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 19:33:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 19:33:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 19:33:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 19:33:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 19:33:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 19:33:30,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 19:33:30,648 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 19:33:30,777 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 19:33:30,778 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 19:33:30,944 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 19:33:31,059 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 19:33:31,059 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-04 19:33:31,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:33:31 BoogieIcfgContainer [2023-05-04 19:33:31,061 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 19:33:31,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 19:33:31,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 19:33:31,065 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 19:33:31,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 07:33:30" (1/3) ... [2023-05-04 19:33:31,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@376c621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:33:31, skipping insertion in model container [2023-05-04 19:33:31,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:33:30" (2/3) ... [2023-05-04 19:33:31,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@376c621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:33:31, skipping insertion in model container [2023-05-04 19:33:31,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:33:31" (3/3) ... [2023-05-04 19:33:31,068 INFO L112 eAbstractionObserver]: Analyzing ICFG 04_incdec_cas.i [2023-05-04 19:33:31,074 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 19:33:31,080 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 19:33:31,080 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-05-04 19:33:31,080 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 19:33:31,154 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-04 19:33:31,185 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 19:33:31,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 19:33:31,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:33:31,187 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 19:33:31,192 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 19:33:31,214 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 19:33:31,233 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2023-05-04 19:33:31,237 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;@7ce8c2fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 19:33:31,237 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-05-04 19:33:31,442 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 19:33:31,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:33:31,445 INFO L85 PathProgramCache]: Analyzing trace with hash 836751063, now seen corresponding path program 1 times [2023-05-04 19:33:31,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:33:31,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690653939] [2023-05-04 19:33:31,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:33:31,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:33:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:33:32,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:33:32,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:33:32,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690653939] [2023-05-04 19:33:32,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690653939] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:33:32,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 19:33:32,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-05-04 19:33:32,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182246782] [2023-05-04 19:33:32,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:33:32,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-05-04 19:33:32,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:33:32,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-05-04 19:33:32,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-05-04 19:33:32,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:33:32,783 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:33:32,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.166666666666667) internal successors, (50), 13 states have internal predecessors, (50), 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 19:33:32,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:33:33,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 19:33:33,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 19:33:33,111 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 19:33:33,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:33:33,111 INFO L85 PathProgramCache]: Analyzing trace with hash -2016086959, now seen corresponding path program 2 times [2023-05-04 19:33:33,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:33:33,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838922013] [2023-05-04 19:33:33,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:33:33,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:33:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:33:33,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:33:33,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:33:33,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838922013] [2023-05-04 19:33:33,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838922013] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 19:33:33,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583999379] [2023-05-04 19:33:33,814 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 19:33:33,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:33:33,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:33:33,816 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 19:33:33,819 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 19:33:33,911 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 19:33:33,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 19:33:33,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 72 conjunts are in the unsatisfiable core [2023-05-04 19:33:33,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 19:33:34,296 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-05-04 19:33:34,297 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2023-05-04 19:33:34,421 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2023-05-04 19:33:34,661 INFO L356 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-05-04 19:33:34,661 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2023-05-04 19:33:34,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:33:34,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:33:35,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:33:35,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:33:35,031 INFO L356 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-05-04 19:33:35,032 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 115 treesize of output 208 [2023-05-04 19:33:35,048 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:33:35,063 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 29 [2023-05-04 19:33:35,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:33:35,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:33:35,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:33:35,429 INFO L356 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2023-05-04 19:33:35,429 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 132 treesize of output 112 [2023-05-04 19:33:35,441 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-04 19:33:35,447 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-04 19:33:35,453 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2023-05-04 19:33:35,466 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 19:33:35,467 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 33 [2023-05-04 19:33:35,473 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 3 [2023-05-04 19:33:36,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:33:36,752 INFO L356 Elim1Store]: treesize reduction 78, result has 40.0 percent of original size [2023-05-04 19:33:36,753 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 31245 treesize of output 31201 [2023-05-04 19:33:37,182 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31208 treesize of output 30184 [2023-05-04 19:33:37,292 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30184 treesize of output 30173 [2023-05-04 19:33:37,446 INFO L356 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-05-04 19:33:37,447 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 30165 treesize of output 30173 [2023-05-04 19:33:37,567 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30148 treesize of output 30147 [2023-05-04 19:33:39,512 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-05-04 19:33:39,548 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-05-04 19:33:39,606 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 94 [2023-05-04 19:33:39,699 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-05-04 19:33:39,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:33:39,756 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 19:33:39,798 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_83 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_83))) (or (< (mod |c_thr1Thread1of1ForFork0_inc_~inc__v~0#1| 4294967296) (mod (select (select .cse0 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)) (not (= (mod (select (select .cse0 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0))))) is different from false [2023-05-04 19:33:39,872 WARN L833 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_83 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_83))) (or (< (mod |c_thr1Thread1of1ForFork0_inc_~inc__v~0#1| 4294967296) (mod (select (select .cse0 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)) (not (= (mod (select (select .cse0 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0))))) (= (mod (select (select |c_#memory_int| |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset|) 4294967296) 0)) is different from false [2023-05-04 19:33:39,936 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_73 (Array Int Int)) (v_ArrVal_83 (Array Int Int)) (v_ArrVal_75 (Array Int Int)) (v_ArrVal_76 (Array Int Int)) (v_ArrVal_81 (Array Int Int)) (|v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7| Int)) (let ((.cse0 (store (store (store (store |c_#memory_int| |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7| v_ArrVal_76) |c_~#value~0.base| (store (select (store |c_#memory_int| |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7| v_ArrVal_81) |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread1of1ForFork0_inc_~inc__vn~0#1|)) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base| (store (select (store (store |c_#memory_int| |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7| v_ArrVal_73) |c_~#value~0.base| v_ArrVal_75) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| 1)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_83))) (or (not (= (mod (select (select .cse0 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0)) (< |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7| |c_~#inc_flag~0.base|) (< (mod |c_thr1Thread1of1ForFork0_inc_~inc__v~0#1| 4294967296) (mod (select (select .cse0 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296))))) is different from false [2023-05-04 19:33:50,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2023-05-04 19:33:50,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583999379] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 19:33:50,540 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 19:33:50,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17, 15] total 43 [2023-05-04 19:33:50,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375701521] [2023-05-04 19:33:50,541 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 19:33:50,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-05-04 19:33:50,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:33:50,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-05-04 19:33:50,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=1359, Unknown=38, NotChecked=240, Total=1892 [2023-05-04 19:33:50,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:33:50,543 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:33:50,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 43 states have (on average 3.3255813953488373) internal successors, (143), 44 states have internal predecessors, (143), 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 19:33:50,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 19:33:50,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:33:55,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 19:33:55,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 19:33:55,732 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-04 19:33:55,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-05-04 19:33:55,918 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 19:33:55,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:33:55,919 INFO L85 PathProgramCache]: Analyzing trace with hash -4183285, now seen corresponding path program 1 times [2023-05-04 19:33:55,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:33:55,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632308839] [2023-05-04 19:33:55,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:33:55,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:33:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:33:58,503 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:33:58,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:33:58,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632308839] [2023-05-04 19:33:58,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632308839] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 19:33:58,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913873166] [2023-05-04 19:33:58,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:33:58,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:33:58,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:33:58,506 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 19:33:58,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 19:33:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:33:58,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 68 conjunts are in the unsatisfiable core [2023-05-04 19:33:58,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 19:34:00,091 INFO L356 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2023-05-04 19:34:00,092 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 92 treesize of output 229 [2023-05-04 19:34:00,115 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:34:00,136 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:34:00,158 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:34:00,369 INFO L244 Elim1Store]: Index analysis took 123 ms [2023-05-04 19:34:00,491 INFO L356 Elim1Store]: treesize reduction 48, result has 26.2 percent of original size [2023-05-04 19:34:00,491 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 10 case distinctions, treesize of input 112 treesize of output 119 [2023-05-04 19:34:00,597 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-04 19:34:00,623 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-04 19:34:00,740 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 19:34:00,741 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 19:34:00,762 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 19:34:00,762 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 19:34:00,765 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 69 [2023-05-04 19:34:00,778 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-04 19:34:01,166 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 19:34:01,168 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 5 [2023-05-04 19:34:01,178 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-04 19:34:01,740 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 19:34:01,740 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 225 treesize of output 225 [2023-05-04 19:34:01,811 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-04 19:34:01,847 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-04 19:34:01,880 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-04 19:34:01,916 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-05-04 19:34:02,090 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:34:02,090 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 19:34:02,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1913873166] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:34:02,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 19:34:02,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [17] total 24 [2023-05-04 19:34:02,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296060360] [2023-05-04 19:34:02,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:34:02,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-04 19:34:02,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:34:02,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-04 19:34:02,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=471, Unknown=0, NotChecked=0, Total=552 [2023-05-04 19:34:02,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:34:02,092 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:34:02,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 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 19:34:02,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 19:34:02,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 19:34:02,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:34:02,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 19:34:02,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 19:34:02,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:34:02,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 19:34:02,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:34:02,854 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 19:34:02,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:34:02,855 INFO L85 PathProgramCache]: Analyzing trace with hash -2121146211, now seen corresponding path program 3 times [2023-05-04 19:34:02,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:34:02,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221157115] [2023-05-04 19:34:02,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:34:02,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:34:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:34:04,554 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:34:04,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:34:04,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221157115] [2023-05-04 19:34:04,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221157115] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 19:34:04,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892891709] [2023-05-04 19:34:04,555 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 19:34:04,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:34:04,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:34:04,556 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 19:34:04,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 19:34:04,628 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-05-04 19:34:04,628 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 19:34:04,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 74 conjunts are in the unsatisfiable core [2023-05-04 19:34:04,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 19:34:06,214 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-05-04 19:34:06,214 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2023-05-04 19:34:06,837 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2023-05-04 19:34:08,104 INFO L356 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2023-05-04 19:34:08,104 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25 [2023-05-04 19:34:09,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:34:09,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:34:09,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:34:09,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:34:10,093 INFO L356 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-05-04 19:34:10,094 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 115 treesize of output 213 [2023-05-04 19:34:10,134 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 29 [2023-05-04 19:34:10,163 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:34:10,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:34:10,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:34:10,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:34:10,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:34:10,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:34:10,791 INFO L356 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2023-05-04 19:34:10,792 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 82 treesize of output 81 [2023-05-04 19:34:10,833 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-04 19:34:10,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:34:10,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:34:10,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:34:10,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:34:10,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:34:11,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:34:11,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:34:11,044 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 49 [2023-05-04 19:34:11,056 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-04 19:34:11,092 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2023-05-04 19:34:12,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:34:12,606 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 126 [2023-05-04 19:34:12,691 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2023-05-04 19:34:13,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:34:13,917 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 19:34:15,111 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (mod |c_thr1Thread1of1ForFork0_inc_~inc__v~0#1| 4294967296))) (and (forall ((v_ArrVal_238 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base| (store (select |c_#memory_int| |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| 0)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_238))) (or (= 0 (mod (select (select .cse0 |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset|) 4294967296)) (not (= (mod (select (select .cse0 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0)) (< .cse1 (mod (select (select .cse0 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296))))) (forall ((|v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| Int)) (or (forall ((v_ArrVal_238 (Array Int Int)) (v_ArrVal_237 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_233 (Array Int Int)) (v_ArrVal_236 (Array Int Int))) (let ((.cse2 (store (store (store (store |c_#memory_int| |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| v_ArrVal_236) |c_~#value~0.base| (store (select (store |c_#memory_int| |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| v_ArrVal_237) |c_~#value~0.base|) |c_~#value~0.offset| |c_thr1Thread1of1ForFork0_inc_~inc__vn~0#1|)) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base| (store (select (store (store |c_#memory_int| |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| v_ArrVal_230) |c_~#value~0.base| v_ArrVal_233) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| 1)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_238))) (or (not (= (mod (select (select .cse2 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0)) (= (mod (select (select .cse2 |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset|) 4294967296) 0) (< .cse1 (mod (select (select .cse2 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296))))) (< |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| |c_~#inc_flag~0.base|))))) is different from false [2023-05-04 19:34:15,232 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (mod |c_thr1Thread1of1ForFork0_inc_~inc__v~0#1| 4294967296))) (and (forall ((v_ArrVal_238 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base| (store (select |c_#memory_int| |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| 0)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_238))) (or (= 0 (mod (select (select .cse0 |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset|) 4294967296)) (not (= (mod (select (select .cse0 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0)) (< .cse1 (mod (select (select .cse0 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296))))) (forall ((|v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| Int)) (or (forall ((v_ArrVal_238 (Array Int Int)) (v_ArrVal_237 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_233 (Array Int Int)) (v_ArrVal_236 (Array Int Int))) (let ((.cse2 (store (store (store (store |c_#memory_int| |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| v_ArrVal_236) |c_~#value~0.base| (store (select (store |c_#memory_int| |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| v_ArrVal_237) |c_~#value~0.base|) |c_~#value~0.offset| (+ |c_thr1Thread1of1ForFork0_inc_~inc__v~0#1| 1))) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base| (store (select (store (store |c_#memory_int| |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| v_ArrVal_230) |c_~#value~0.base| v_ArrVal_233) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| 1)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_238))) (or (< .cse1 (mod (select (select .cse2 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)) (= 0 (mod (select (select .cse2 |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset|) 4294967296)) (not (= (mod (select (select .cse2 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0))))) (< |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| |c_~#inc_flag~0.base|))))) is different from false [2023-05-04 19:34:15,547 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_thr1Thread1of1ForFork0_inc_#t~mem8#1| 4294967296))) (and (forall ((|v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| Int)) (or (forall ((v_ArrVal_238 (Array Int Int)) (v_ArrVal_237 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_233 (Array Int Int)) (v_ArrVal_236 (Array Int Int))) (let ((.cse1 (store (store (store (store |c_#memory_int| |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| v_ArrVal_236) |c_~#value~0.base| (store (select (store |c_#memory_int| |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| v_ArrVal_237) |c_~#value~0.base|) |c_~#value~0.offset| (+ |c_thr1Thread1of1ForFork0_inc_#t~mem8#1| 1))) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base| (store (select (store (store |c_#memory_int| |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| v_ArrVal_230) |c_~#value~0.base| v_ArrVal_233) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| 1)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_238))) (or (< .cse0 (mod (select (select .cse1 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)) (not (= (mod (select (select .cse1 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0)) (= (mod (select (select .cse1 |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset|) 4294967296) 0)))) (< |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| |c_~#inc_flag~0.base|))) (forall ((v_ArrVal_238 (Array Int Int))) (let ((.cse2 (store (store |c_#memory_int| |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base| (store (select |c_#memory_int| |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| 0)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_238))) (or (= 0 (mod (select (select .cse2 |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset|) 4294967296)) (not (= (mod (select (select .cse2 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0)) (< .cse0 (mod (select (select .cse2 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296))))))) is different from false [2023-05-04 19:34:15,667 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse3 (select (select |c_#memory_int| |c_~#value~0.base|) |c_~#value~0.offset|))) (let ((.cse1 (mod .cse3 4294967296))) (and (forall ((v_ArrVal_238 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base| (store (select |c_#memory_int| |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| 0)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_238))) (or (= 0 (mod (select (select .cse0 |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset|) 4294967296)) (not (= (mod (select (select .cse0 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0)) (< .cse1 (mod (select (select .cse0 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296))))) (forall ((|v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| Int)) (or (forall ((v_ArrVal_238 (Array Int Int)) (v_ArrVal_237 (Array Int Int)) (v_ArrVal_230 (Array Int Int)) (v_ArrVal_233 (Array Int Int)) (v_ArrVal_236 (Array Int Int))) (let ((.cse2 (store (store (store (store |c_#memory_int| |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| v_ArrVal_236) |c_~#value~0.base| (store (select (store |c_#memory_int| |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| v_ArrVal_237) |c_~#value~0.base|) |c_~#value~0.offset| (+ 1 .cse3))) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base| (store (select (store (store |c_#memory_int| |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| v_ArrVal_230) |c_~#value~0.base| v_ArrVal_233) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset| 1)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_238))) (or (< .cse1 (mod (select (select .cse2 |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)) (not (= (mod (select (select .cse2 |c_~#dec_flag~0.base|) |c_~#dec_flag~0.offset|) 4294967296) 0)) (= (mod (select (select .cse2 |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread1of1ForFork0_inc_~#inc__casret~0#1.offset|) 4294967296) 0)))) (< |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| |c_~#inc_flag~0.base|)))))) is different from false [2023-05-04 19:34:39,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:34:39,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892891709] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 19:34:39,611 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 19:34:39,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17, 15] total 43 [2023-05-04 19:34:39,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322848344] [2023-05-04 19:34:39,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 19:34:39,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-05-04 19:34:39,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:34:39,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-05-04 19:34:39,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=1314, Unknown=24, NotChecked=316, Total=1892 [2023-05-04 19:34:39,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:34:39,613 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:34:39,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 43 states have (on average 3.3255813953488373) internal successors, (143), 44 states have internal predecessors, (143), 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 19:34:39,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 19:34:39,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-04 19:34:39,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:34:39,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:34:47,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 19:34:47,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 19:34:47,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:34:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 19:34:47,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 19:34:47,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:34:47,809 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 19:34:47,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:34:47,810 INFO L85 PathProgramCache]: Analyzing trace with hash 305158155, now seen corresponding path program 2 times [2023-05-04 19:34:47,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:34:47,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104156540] [2023-05-04 19:34:47,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:34:47,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:34:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:34:50,147 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:34:50,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:34:50,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104156540] [2023-05-04 19:34:50,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104156540] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 19:34:50,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200775213] [2023-05-04 19:34:50,148 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 19:34:50,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:34:50,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:34:50,149 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 19:34:50,160 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 19:34:50,255 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 19:34:50,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 19:34:50,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 77 conjunts are in the unsatisfiable core [2023-05-04 19:34:50,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 19:34:50,731 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 19:34:50,731 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-05-04 19:34:52,081 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 19:34:52,666 INFO L356 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2023-05-04 19:34:52,666 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 92 treesize of output 229 [2023-05-04 19:34:52,690 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:34:52,713 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:34:52,734 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:34:53,594 INFO L356 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2023-05-04 19:34:53,594 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 26 [2023-05-04 19:34:53,642 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-04 19:34:53,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:34:53,685 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 30 [2023-05-04 19:34:53,696 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-04 19:34:53,707 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-04 19:34:54,921 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:34:54,921 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 19:34:54,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200775213] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:34:54,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 19:34:54,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [16] total 26 [2023-05-04 19:34:54,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497355553] [2023-05-04 19:34:54,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:34:54,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-04 19:34:54,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:34:54,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-04 19:34:54,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=547, Unknown=4, NotChecked=0, Total=650 [2023-05-04 19:34:54,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:34:54,923 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:34:54,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 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 19:34:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 19:34:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 19:34:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:34:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 19:34:54,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:34:57,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 19:34:57,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 19:34:57,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:34:57,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 19:34:57,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 19:34:57,313 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 19:34:57,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:34:57,497 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 19:34:57,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:34:57,497 INFO L85 PathProgramCache]: Analyzing trace with hash 968064218, now seen corresponding path program 1 times [2023-05-04 19:34:57,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:34:57,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307477024] [2023-05-04 19:34:57,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:34:57,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:34:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:34:58,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:34:58,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:34:58,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307477024] [2023-05-04 19:34:58,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307477024] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:34:58,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 19:34:58,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-05-04 19:34:58,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850254618] [2023-05-04 19:34:58,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:34:58,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-04 19:34:58,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:34:58,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-04 19:34:58,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-05-04 19:34:58,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:34:58,003 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:34:58,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 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 19:34:58,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 19:34:58,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 19:34:58,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:34:58,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 19:34:58,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 19:34:58,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:34:58,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 19:34:58,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 19:34:58,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:34:58,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 19:34:58,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 19:34:58,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 19:34:58,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-05-04 19:34:58,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-05-04 19:34:58,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-04 19:34:58,933 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 1] [2023-05-04 19:34:58,934 INFO L307 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE,SAFE (1/2) [2023-05-04 19:34:58,936 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 19:34:58,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 19:34:58,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:34:58,937 INFO L229 MonitoredProcess]: Starting monitored process 7 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 19:34:58,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2023-05-04 19:34:58,940 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 19:34:58,941 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 19:34:58,941 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;@7ce8c2fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 19:34:58,941 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-05-04 19:34:58,985 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 19:34:58,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:34:58,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1317869555, now seen corresponding path program 1 times [2023-05-04 19:34:58,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:34:58,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303257909] [2023-05-04 19:34:58,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:34:58,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:34:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:34:59,368 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:34:59,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:34:59,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303257909] [2023-05-04 19:34:59,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303257909] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:34:59,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 19:34:59,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-04 19:34:59,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506036255] [2023-05-04 19:34:59,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:34:59,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-04 19:34:59,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:34:59,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-04 19:34:59,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-05-04 19:34:59,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:34:59,370 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:34:59,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 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 19:34:59,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:34:59,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 19:34:59,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-05-04 19:34:59,933 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 19:34:59,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:34:59,934 INFO L85 PathProgramCache]: Analyzing trace with hash 708620531, now seen corresponding path program 1 times [2023-05-04 19:34:59,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:34:59,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583200766] [2023-05-04 19:34:59,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:34:59,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:34:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:35:01,314 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:35:01,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:35:01,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583200766] [2023-05-04 19:35:01,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583200766] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:35:01,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 19:35:01,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-05-04 19:35:01,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203374588] [2023-05-04 19:35:01,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:35:01,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-05-04 19:35:01,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:35:01,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-05-04 19:35:01,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-05-04 19:35:01,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:01,316 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:35:01,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 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 19:35:01,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 19:35:01,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:02,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 19:35:02,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 19:35:02,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-05-04 19:35:02,510 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 19:35:02,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:35:02,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1997522658, now seen corresponding path program 1 times [2023-05-04 19:35:02,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:35:02,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723551855] [2023-05-04 19:35:02,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:35:02,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:35:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-04 19:35:02,527 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-05-04 19:35:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-04 19:35:02,565 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-05-04 19:35:02,565 INFO L359 BasicCegarLoop]: Counterexample is feasible [2023-05-04 19:35:02,566 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-05-04 19:35:02,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-05-04 19:35:02,568 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-05-04 19:35:02,568 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2) [2023-05-04 19:35:02,568 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-05-04 19:35:02,568 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-05-04 19:35:02,603 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-04 19:35:02,609 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 19:35:02,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 19:35:02,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:35:02,614 INFO L229 MonitoredProcess]: Starting monitored process 8 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 19:35:02,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2023-05-04 19:35:02,620 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 19:35:02,622 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 19:35:02,622 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;@7ce8c2fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 19:35:02,623 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-05-04 19:35:02,718 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 19:35:02,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:35:02,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1863273755, now seen corresponding path program 1 times [2023-05-04 19:35:02,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:35:02,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278107814] [2023-05-04 19:35:02,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:35:02,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:35:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:35:02,741 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 19:35:02,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:35:02,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278107814] [2023-05-04 19:35:02,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278107814] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:35:02,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 19:35:02,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 19:35:02,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476324090] [2023-05-04 19:35:02,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:35:02,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 19:35:02,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:35:02,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 19:35:02,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 19:35:02,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:02,743 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:35:02,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 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 19:35:02,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:02,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:02,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-05-04 19:35:02,794 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 19:35:02,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:35:02,795 INFO L85 PathProgramCache]: Analyzing trace with hash -364182573, now seen corresponding path program 1 times [2023-05-04 19:35:02,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:35:02,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573834887] [2023-05-04 19:35:02,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:35:02,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:35:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:35:03,262 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 19:35:03,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:35:03,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573834887] [2023-05-04 19:35:03,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573834887] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:35:03,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 19:35:03,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-04 19:35:03,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843157763] [2023-05-04 19:35:03,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:35:03,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-04 19:35:03,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:35:03,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-04 19:35:03,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-05-04 19:35:03,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:03,264 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:35:03,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 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 19:35:03,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:03,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:04,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:04,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 19:35:04,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-05-04 19:35:04,020 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 19:35:04,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:35:04,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1605111021, now seen corresponding path program 1 times [2023-05-04 19:35:04,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:35:04,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549533939] [2023-05-04 19:35:04,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:35:04,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:35:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:35:05,872 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 19:35:05,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:35:05,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549533939] [2023-05-04 19:35:05,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549533939] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:35:05,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 19:35:05,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-05-04 19:35:05,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79350337] [2023-05-04 19:35:05,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:35:05,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-05-04 19:35:05,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:35:05,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-05-04 19:35:05,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-05-04 19:35:05,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:05,874 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:35:05,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.0) internal successors, (78), 13 states have internal predecessors, (78), 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 19:35:05,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:05,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 19:35:05,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:07,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:07,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 19:35:07,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 19:35:07,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-05-04 19:35:07,823 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 19:35:07,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:35:07,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1813800222, now seen corresponding path program 1 times [2023-05-04 19:35:07,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:35:07,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281462605] [2023-05-04 19:35:07,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:35:07,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:35:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:35:08,196 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 19:35:08,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:35:08,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281462605] [2023-05-04 19:35:08,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281462605] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:35:08,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 19:35:08,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 19:35:08,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983610803] [2023-05-04 19:35:08,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:35:08,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 19:35:08,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:35:08,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 19:35:08,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-04 19:35:08,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:08,198 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:35:08,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 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 19:35:08,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:08,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 19:35:08,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 19:35:08,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:08,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:08,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 19:35:08,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 19:35:08,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 19:35:08,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-05-04 19:35:08,893 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 19:35:08,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:35:08,893 INFO L85 PathProgramCache]: Analyzing trace with hash -867569140, now seen corresponding path program 1 times [2023-05-04 19:35:08,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:35:08,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663608278] [2023-05-04 19:35:08,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:35:08,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:35:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-04 19:35:08,954 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-05-04 19:35:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-04 19:35:09,011 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-05-04 19:35:09,012 INFO L359 BasicCegarLoop]: Counterexample is feasible [2023-05-04 19:35:09,012 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-05-04 19:35:09,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-05-04 19:35:09,013 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-05-04 19:35:09,013 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/3) [2023-05-04 19:35:09,013 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-05-04 19:35:09,013 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-05-04 19:35:09,055 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-04 19:35:09,058 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 19:35:09,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 19:35:09,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:35:09,059 INFO L229 MonitoredProcess]: Starting monitored process 9 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 19:35:09,064 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 19:35:09,065 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread3of3ForFork0 ======== [2023-05-04 19:35:09,066 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;@7ce8c2fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 19:35:09,066 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-05-04 19:35:09,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Waiting until timeout for monitored process [2023-05-04 19:35:09,232 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 19:35:09,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:35:09,232 INFO L85 PathProgramCache]: Analyzing trace with hash -28517472, now seen corresponding path program 1 times [2023-05-04 19:35:09,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:35:09,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200526090] [2023-05-04 19:35:09,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:35:09,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:35:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:35:09,248 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 19:35:09,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:35:09,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200526090] [2023-05-04 19:35:09,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200526090] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:35:09,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 19:35:09,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 19:35:09,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206962440] [2023-05-04 19:35:09,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:35:09,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 19:35:09,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:35:09,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 19:35:09,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 19:35:09,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:09,250 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:35:09,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 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 19:35:09,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:09,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:09,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-05-04 19:35:09,496 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 19:35:09,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:35:09,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1083678928, now seen corresponding path program 1 times [2023-05-04 19:35:09,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:35:09,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974044678] [2023-05-04 19:35:09,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:35:09,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:35:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:35:09,997 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-05-04 19:35:09,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:35:09,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974044678] [2023-05-04 19:35:09,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974044678] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:35:09,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 19:35:09,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-04 19:35:09,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222645471] [2023-05-04 19:35:09,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:35:09,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-04 19:35:09,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:35:09,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-04 19:35:09,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-05-04 19:35:09,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:09,998 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:35:09,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 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 19:35:09,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:09,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:11,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:11,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 19:35:11,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-05-04 19:35:11,226 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 19:35:11,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:35:11,227 INFO L85 PathProgramCache]: Analyzing trace with hash -364799766, now seen corresponding path program 1 times [2023-05-04 19:35:11,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:35:11,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468603374] [2023-05-04 19:35:11,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:35:11,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:35:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:35:18,173 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:35:18,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:35:18,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468603374] [2023-05-04 19:35:18,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468603374] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 19:35:18,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450066460] [2023-05-04 19:35:18,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:35:18,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:35:18,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:35:18,175 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 19:35:18,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-04 19:35:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:35:18,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 70 conjunts are in the unsatisfiable core [2023-05-04 19:35:18,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 19:35:20,475 INFO L356 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2023-05-04 19:35:20,476 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 92 treesize of output 229 [2023-05-04 19:35:20,501 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:35:20,526 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:35:20,552 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:35:20,666 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 19:35:20,721 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 19:35:20,788 INFO L356 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2023-05-04 19:35:20,789 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 93 treesize of output 94 [2023-05-04 19:35:20,848 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-04 19:35:20,885 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-04 19:35:21,064 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 19:35:21,100 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 19:35:21,102 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 86 [2023-05-04 19:35:21,134 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-04 19:35:21,439 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 11 [2023-05-04 19:35:21,450 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-04 19:35:22,012 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-05-04 19:35:22,191 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-04 19:35:22,191 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 19:35:22,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450066460] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:35:22,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 19:35:22,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [29] total 36 [2023-05-04 19:35:22,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981080441] [2023-05-04 19:35:22,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:35:22,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-04 19:35:22,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:35:22,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-04 19:35:22,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=1115, Unknown=0, NotChecked=0, Total=1260 [2023-05-04 19:35:22,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:22,193 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:35:22,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 8 states have internal predecessors, (109), 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 19:35:22,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:22,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 19:35:22,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:22,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:22,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 19:35:22,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:35:23,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-04 19:35:23,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-05-04 19:35:23,196 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 19:35:23,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:35:23,196 INFO L85 PathProgramCache]: Analyzing trace with hash 694831785, now seen corresponding path program 1 times [2023-05-04 19:35:23,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:35:23,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161706715] [2023-05-04 19:35:23,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:35:23,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:35:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:35:27,975 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 21 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 19:35:27,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:35:27,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161706715] [2023-05-04 19:35:27,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161706715] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 19:35:27,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890512394] [2023-05-04 19:35:27,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:35:27,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:35:27,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:35:27,977 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 19:35:27,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-04 19:35:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:35:28,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 70 conjunts are in the unsatisfiable core [2023-05-04 19:35:28,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 19:35:30,402 INFO L356 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2023-05-04 19:35:30,403 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 281 [2023-05-04 19:35:30,427 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:35:30,453 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:35:30,479 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:35:31,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:35:31,572 INFO L356 Elim1Store]: treesize reduction 72, result has 25.8 percent of original size [2023-05-04 19:35:31,573 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 341 treesize of output 385 [2023-05-04 19:35:31,601 WARN L234 Elim1Store]: Array PQE input equivalent to false [2023-05-04 19:35:31,739 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-04 19:35:31,782 INFO L356 Elim1Store]: treesize reduction 43, result has 2.3 percent of original size [2023-05-04 19:35:31,782 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 75 treesize of output 16 [2023-05-04 19:35:31,967 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 11 [2023-05-04 19:35:31,978 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-04 19:35:32,589 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-05-04 19:35:34,441 INFO L356 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2023-05-04 19:35:34,441 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 92 treesize of output 229 [2023-05-04 19:35:34,466 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:35:34,494 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:35:34,518 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:35:34,651 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 19:35:34,703 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 19:35:34,768 INFO L356 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2023-05-04 19:35:34,769 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 93 treesize of output 92 [2023-05-04 19:35:34,817 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-04 19:35:34,894 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 19:35:34,931 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 19:35:34,932 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 86 [2023-05-04 19:35:34,968 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-04 19:35:35,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:35:35,317 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 11 [2023-05-04 19:35:35,328 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-04 19:35:35,780 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-05-04 19:35:35,967 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-04 19:35:35,967 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 19:35:36,403 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2023-05-04 19:35:36,837 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-04 19:35:36,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890512394] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-04 19:35:36,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-04 19:35:36,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [25, 13] total 40 [2023-05-04 19:35:36,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681644417] [2023-05-04 19:35:36,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:35:36,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 19:35:36,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:35:36,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 19:35:36,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=1406, Unknown=13, NotChecked=0, Total=1560 [2023-05-04 19:35:36,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:36,839 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:35:36,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 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 19:35:36,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:36,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 19:35:36,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:35:36,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:37,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:37,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 19:35:37,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:35:37,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 19:35:37,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-04 19:35:37,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-04 19:35:37,886 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 19:35:37,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:35:37,886 INFO L85 PathProgramCache]: Analyzing trace with hash 306815534, now seen corresponding path program 1 times [2023-05-04 19:35:37,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:35:37,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760347017] [2023-05-04 19:35:37,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:35:37,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:35:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:35:46,517 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:35:46,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:35:46,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760347017] [2023-05-04 19:35:46,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760347017] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 19:35:46,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199093246] [2023-05-04 19:35:46,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:35:46,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:35:46,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:35:46,520 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 19:35:46,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-04 19:35:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:35:46,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 108 conjunts are in the unsatisfiable core [2023-05-04 19:35:46,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 19:35:49,052 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-05-04 19:35:49,053 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2023-05-04 19:35:49,667 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2023-05-04 19:35:50,717 INFO L356 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-05-04 19:35:50,717 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2023-05-04 19:35:52,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:35:52,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:35:52,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:35:52,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:35:52,803 INFO L356 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-05-04 19:35:52,804 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 110 treesize of output 215 [2023-05-04 19:35:52,831 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:35:52,858 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:35:52,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:35:52,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:35:53,085 INFO L244 Elim1Store]: Index analysis took 121 ms [2023-05-04 19:35:53,141 INFO L356 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-05-04 19:35:53,142 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 117 treesize of output 93 [2023-05-04 19:35:53,156 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2023-05-04 19:35:53,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:35:53,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:35:53,315 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 26 [2023-05-04 19:35:54,105 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 19:35:54,105 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 21 [2023-05-04 19:35:54,109 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 19:35:54,109 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 19:35:54,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199093246] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:35:54,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 19:35:54,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [25] total 39 [2023-05-04 19:35:54,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471084829] [2023-05-04 19:35:54,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:35:54,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-05-04 19:35:54,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:35:54,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-05-04 19:35:54,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=1307, Unknown=0, NotChecked=0, Total=1482 [2023-05-04 19:35:54,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:54,111 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:35:54,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.666666666666667) internal successors, (100), 15 states have internal predecessors, (100), 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 19:35:54,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:54,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 19:35:54,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:35:54,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 19:35:54,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:56,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:35:56,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 19:35:56,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:35:56,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 19:35:56,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 19:35:56,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-04 19:35:56,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:35:56,347 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 19:35:56,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:35:56,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1026223779, now seen corresponding path program 1 times [2023-05-04 19:35:56,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:35:56,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825190911] [2023-05-04 19:35:56,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:35:56,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:35:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:36:01,185 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:36:01,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:36:01,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825190911] [2023-05-04 19:36:01,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825190911] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 19:36:01,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108448630] [2023-05-04 19:36:01,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:36:01,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:36:01,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:36:01,187 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 19:36:01,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-04 19:36:01,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:36:01,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 90 conjunts are in the unsatisfiable core [2023-05-04 19:36:01,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 19:36:02,721 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-05-04 19:36:02,721 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-05-04 19:36:04,002 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 19:36:04,003 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-05-04 19:36:05,393 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2023-05-04 19:36:05,477 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-05-04 19:36:05,478 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 25 [2023-05-04 19:36:06,843 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 19:36:09,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:36:09,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:36:09,851 INFO L356 Elim1Store]: treesize reduction 135, result has 34.8 percent of original size [2023-05-04 19:36:09,852 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 202 treesize of output 294 [2023-05-04 19:36:09,883 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:36:09,912 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:36:10,033 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:36:10,090 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 27 [2023-05-04 19:36:10,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:36:10,611 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 19:36:10,625 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 19:36:10,640 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 19:36:10,642 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 92 [2023-05-04 19:36:10,657 WARN L234 Elim1Store]: Array PQE input equivalent to false [2023-05-04 19:36:10,672 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-04 19:36:10,721 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 19:36:10,722 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 230 treesize of output 185 [2023-05-04 19:36:10,870 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-04 19:36:10,874 WARN L234 Elim1Store]: Array PQE input equivalent to false [2023-05-04 19:36:11,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:36:11,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:36:11,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:36:11,142 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 19:36:11,159 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 21 [2023-05-04 19:36:11,183 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-04 19:36:15,334 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:36:15,334 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 19:36:17,589 WARN L833 $PredicateComparison]: unable to prove that (forall ((|thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| Int) (|v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7| Int) (v_ArrVal_1296 (Array Int Int)) (v_ArrVal_1295 (Array Int Int)) (v_ArrVal_1293 (Array Int Int)) (v_ArrVal_1292 (Array Int Int))) (or (< |c_~#dec_flag~0.base| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7|) (not (= (mod (select (select (store (store (store |c_#memory_int| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7| v_ArrVal_1292) |c_~#value~0.base| v_ArrVal_1296) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| (store (select (store (store |c_#memory_int| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7| v_ArrVal_1295) |c_~#value~0.base| v_ArrVal_1293) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base|) |c_thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.offset| 1)) |c_~#inc_flag~0.base|) |c_~#inc_flag~0.offset|) 4294967296) 0)))) is different from false [2023-05-04 19:36:17,678 WARN L833 $PredicateComparison]: unable to prove that (forall ((|thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| Int) (|v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7| Int) (v_ArrVal_1296 (Array Int Int)) (v_ArrVal_1295 (Array Int Int)) (v_ArrVal_1293 (Array Int Int)) (v_ArrVal_1292 (Array Int Int))) (or (not (= (mod (select (select (store (store (store |c_#memory_int| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7| v_ArrVal_1292) |c_~#value~0.base| v_ArrVal_1296) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| (store (select (store (store |c_#memory_int| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7| v_ArrVal_1295) |c_~#value~0.base| v_ArrVal_1293) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base|) 0 1)) |c_~#inc_flag~0.base|) |c_~#inc_flag~0.offset|) 4294967296) 0)) (< |c_~#dec_flag~0.base| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7|))) is different from false [2023-05-04 19:36:17,979 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1290 (Array Int Int)) (|thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| Int) (|v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7| Int) (v_ArrVal_1296 (Array Int Int)) (v_ArrVal_1295 (Array Int Int)) (v_ArrVal_1293 (Array Int Int)) (v_ArrVal_1292 (Array Int Int))) (or (< |c_~#dec_flag~0.base| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7|) (not (= (mod (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1290))) (store (store (store .cse0 |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7| v_ArrVal_1292) |c_~#value~0.base| v_ArrVal_1296) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| (store (select (store (store .cse0 |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7| v_ArrVal_1295) |c_~#value~0.base| v_ArrVal_1293) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base|) 0 1))) |c_~#inc_flag~0.base|) |c_~#inc_flag~0.offset|) 4294967296) 0)))) is different from false [2023-05-04 19:36:18,564 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (= (mod |c_thr1Thread1of3ForFork0_inc_~inc__v~0#1| 4294967296) (mod (select (select |c_#memory_int| |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)))) (and (or (forall ((v_ArrVal_1290 (Array Int Int)) (|thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| Int) (|v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7| Int) (v_ArrVal_1287 (Array Int Int)) (v_ArrVal_1296 (Array Int Int)) (v_ArrVal_1295 (Array Int Int)) (v_ArrVal_1283 (Array Int Int)) (v_ArrVal_1293 (Array Int Int)) (v_ArrVal_1292 (Array Int Int))) (or (< |c_~#dec_flag~0.base| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7|) (not (= (mod (select (select (let ((.cse0 (store (store (store (store |c_#memory_int| |c_~#inc_flag~0.base| (store (select |c_#memory_int| |c_~#inc_flag~0.base|) |c_~#inc_flag~0.offset| 1)) |c_~#value~0.base| v_ArrVal_1287) |c_thr1Thread1of3ForFork0_inc_~#inc__casret~0#1.base| v_ArrVal_1283) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1290))) (store (store (store .cse0 |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7| v_ArrVal_1292) |c_~#value~0.base| v_ArrVal_1296) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| (store (select (store (store .cse0 |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7| v_ArrVal_1295) |c_~#value~0.base| v_ArrVal_1293) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base|) 0 1))) |c_~#inc_flag~0.base|) |c_~#inc_flag~0.offset|) 4294967296) 0)))) (not .cse1)) (or .cse1 (forall ((v_ArrVal_1290 (Array Int Int)) (|thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| Int) (v_ArrVal_1289 (Array Int Int)) (|v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7| Int) (v_ArrVal_1296 (Array Int Int)) (v_ArrVal_1295 (Array Int Int)) (v_ArrVal_1293 (Array Int Int)) (v_ArrVal_1292 (Array Int Int))) (or (< |c_~#dec_flag~0.base| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7|) (not (= (mod (select (select (let ((.cse2 (store (store |c_#memory_int| |c_thr1Thread1of3ForFork0_inc_~#inc__casret~0#1.base| v_ArrVal_1289) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1290))) (store (store (store .cse2 |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7| v_ArrVal_1292) |c_~#value~0.base| v_ArrVal_1296) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| (store (select (store (store .cse2 |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7| v_ArrVal_1295) |c_~#value~0.base| v_ArrVal_1293) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base|) 0 1))) |c_~#inc_flag~0.base|) |c_~#inc_flag~0.offset|) 4294967296) 0))))))) is different from false [2023-05-04 19:36:18,908 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (= (mod |c_thr1Thread1of3ForFork0_inc_#t~mem8#1| 4294967296) (mod (select (select |c_#memory_int| |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)))) (and (or (forall ((v_ArrVal_1290 (Array Int Int)) (|thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| Int) (|v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7| Int) (v_ArrVal_1287 (Array Int Int)) (v_ArrVal_1296 (Array Int Int)) (v_ArrVal_1295 (Array Int Int)) (v_ArrVal_1283 (Array Int Int)) (v_ArrVal_1293 (Array Int Int)) (v_ArrVal_1292 (Array Int Int))) (or (< |c_~#dec_flag~0.base| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7|) (not (= (mod (select (select (let ((.cse0 (store (store (store (store |c_#memory_int| |c_~#inc_flag~0.base| (store (select |c_#memory_int| |c_~#inc_flag~0.base|) |c_~#inc_flag~0.offset| 1)) |c_~#value~0.base| v_ArrVal_1287) |c_thr1Thread1of3ForFork0_inc_~#inc__casret~0#1.base| v_ArrVal_1283) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1290))) (store (store (store .cse0 |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7| v_ArrVal_1292) |c_~#value~0.base| v_ArrVal_1296) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| (store (select (store (store .cse0 |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7| v_ArrVal_1295) |c_~#value~0.base| v_ArrVal_1293) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base|) 0 1))) |c_~#inc_flag~0.base|) |c_~#inc_flag~0.offset|) 4294967296) 0)))) (not .cse1)) (or .cse1 (forall ((v_ArrVal_1290 (Array Int Int)) (|thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| Int) (v_ArrVal_1289 (Array Int Int)) (|v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7| Int) (v_ArrVal_1296 (Array Int Int)) (v_ArrVal_1295 (Array Int Int)) (v_ArrVal_1293 (Array Int Int)) (v_ArrVal_1292 (Array Int Int))) (or (< |c_~#dec_flag~0.base| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7|) (not (= (mod (select (select (let ((.cse2 (store (store |c_#memory_int| |c_thr1Thread1of3ForFork0_inc_~#inc__casret~0#1.base| v_ArrVal_1289) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1290))) (store (store (store .cse2 |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7| v_ArrVal_1292) |c_~#value~0.base| v_ArrVal_1296) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| (store (select (store (store .cse2 |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_7| v_ArrVal_1295) |c_~#value~0.base| v_ArrVal_1293) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base|) 0 1))) |c_~#inc_flag~0.base|) |c_~#inc_flag~0.offset|) 4294967296) 0))))))) is different from false [2023-05-04 19:36:18,940 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 19:36:18,940 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 57 [2023-05-04 19:36:19,000 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 19:36:19,002 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11043971 treesize of output 11011205 [2023-05-04 19:36:42,848 WARN L233 SmtUtils]: Spent 23.84s on a formula simplification that was a NOOP. DAG size: 654 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-05-04 19:36:42,893 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11011190 treesize of output 10880102 [2023-05-04 19:37:07,133 WARN L233 SmtUtils]: Spent 24.23s on a formula simplification that was a NOOP. DAG size: 649 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-05-04 19:37:07,180 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10880102 treesize of output 10617958 [2023-05-04 19:37:32,745 WARN L233 SmtUtils]: Spent 25.56s on a formula simplification that was a NOOP. DAG size: 647 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-05-04 19:37:32,789 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10617958 treesize of output 10552414 [2023-05-04 19:37:58,656 WARN L233 SmtUtils]: Spent 25.86s on a formula simplification that was a NOOP. DAG size: 641 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-05-04 19:37:58,702 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10552414 treesize of output 10028126 [2023-05-04 19:38:26,853 WARN L233 SmtUtils]: Spent 28.15s on a formula simplification that was a NOOP. DAG size: 639 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-05-04 19:38:26,919 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10028126 treesize of output 9995354 [2023-05-04 19:38:55,229 WARN L233 SmtUtils]: Spent 28.31s on a formula simplification that was a NOOP. DAG size: 633 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-05-04 19:38:55,306 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9995354 treesize of output 9995322 [2023-05-04 19:39:23,782 WARN L233 SmtUtils]: Spent 28.47s on a formula simplification that was a NOOP. DAG size: 632 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-05-04 19:39:23,857 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9995322 treesize of output 9995258 [2023-05-04 19:39:52,138 WARN L233 SmtUtils]: Spent 28.28s on a formula simplification that was a NOOP. DAG size: 631 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-05-04 19:45:13,668 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2023-05-04 19:45:16,544 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 19:45:16,545 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 75 treesize of output 183 [2023-05-04 19:45:18,123 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 7 not checked. [2023-05-04 19:45:18,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108448630] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 19:45:18,123 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 19:45:18,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 18, 18] total 59 [2023-05-04 19:45:18,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081402657] [2023-05-04 19:45:18,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 19:45:18,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2023-05-04 19:45:18,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:45:18,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2023-05-04 19:45:18,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=290, Invalid=2571, Unknown=21, NotChecked=540, Total=3422 [2023-05-04 19:45:18,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:45:18,125 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:45:18,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 4.9491525423728815) internal successors, (292), 59 states have internal predecessors, (292), 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 19:45:18,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:45:18,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 19:45:18,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:45:18,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 19:45:18,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 19:45:18,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:45:32,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:45:32,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 19:45:32,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 19:45:32,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 19:45:32,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 19:45:32,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 19:45:32,794 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-05-04 19:45:32,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:45:32,969 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 19:45:32,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:45:32,970 INFO L85 PathProgramCache]: Analyzing trace with hash -956284839, now seen corresponding path program 1 times [2023-05-04 19:45:32,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:45:32,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997069939] [2023-05-04 19:45:32,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:45:32,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:45:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:45:38,040 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:45:38,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:45:38,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997069939] [2023-05-04 19:45:38,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997069939] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 19:45:38,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787053277] [2023-05-04 19:45:38,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:45:38,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:45:38,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:45:38,041 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 19:45:38,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-04 19:45:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:45:38,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 125 conjunts are in the unsatisfiable core [2023-05-04 19:45:38,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 19:45:39,457 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 19:45:39,457 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-05-04 19:45:41,882 INFO L356 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2023-05-04 19:45:41,882 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 234 treesize of output 192 [2023-05-04 19:45:42,166 INFO L356 Elim1Store]: treesize reduction 100, result has 29.1 percent of original size [2023-05-04 19:45:42,166 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 184 treesize of output 241 [2023-05-04 19:45:42,190 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:45:42,214 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:45:42,294 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:45:42,345 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 46 [2023-05-04 19:45:42,548 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 59 [2023-05-04 19:45:42,605 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 19:45:42,620 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 19:45:42,621 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 49 [2023-05-04 19:45:42,780 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 11 [2023-05-04 19:45:44,846 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 19:45:47,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:45:47,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:45:47,693 INFO L356 Elim1Store]: treesize reduction 135, result has 34.8 percent of original size [2023-05-04 19:45:47,693 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 100 treesize of output 242 [2023-05-04 19:45:47,723 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:45:47,752 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:45:47,861 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:45:47,917 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 27 [2023-05-04 19:45:48,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:45:48,326 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 19:45:48,327 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 29 [2023-05-04 19:45:48,333 WARN L234 Elim1Store]: Array PQE input equivalent to false [2023-05-04 19:45:48,345 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-04 19:45:48,540 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 19:45:48,555 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 19:45:48,569 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 19:45:48,570 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 92 [2023-05-04 19:45:48,597 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-04 19:45:48,614 WARN L234 Elim1Store]: Array PQE input equivalent to false [2023-05-04 19:45:55,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:45:56,833 INFO L356 Elim1Store]: treesize reduction 82, result has 60.6 percent of original size [2023-05-04 19:45:56,834 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 19 case distinctions, treesize of input 1856 treesize of output 1935 [2023-05-04 19:45:57,025 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 480 treesize of output 438 [2023-05-04 19:45:59,875 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 202 [2023-05-04 19:46:02,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:46:02,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:46:02,709 INFO L356 Elim1Store]: treesize reduction 135, result has 34.8 percent of original size [2023-05-04 19:46:02,710 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 100 treesize of output 242 [2023-05-04 19:46:02,734 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:46:02,758 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:46:02,861 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-05-04 19:46:02,896 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 27 [2023-05-04 19:46:03,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 19:46:03,031 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 19:46:03,156 INFO L356 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2023-05-04 19:46:03,156 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 100 treesize of output 97 [2023-05-04 19:46:03,257 WARN L234 Elim1Store]: Array PQE input equivalent to false [2023-05-04 19:46:03,343 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 19:46:03,344 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 29 [2023-05-04 19:46:03,364 WARN L234 Elim1Store]: Array PQE input equivalent to false [2023-05-04 19:46:05,166 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:46:05,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 19:46:08,158 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1449 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| Int) (v_ArrVal_1446 (Array Int Int)) (v_ArrVal_1445 (Array Int Int)) (v_ArrVal_1450 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| Int)) (or (not (= (mod (select (select (store (store (store |c_#memory_int| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| v_ArrVal_1449) |c_~#value~0.base| v_ArrVal_1446) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| (store (select (store (store |c_#memory_int| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| v_ArrVal_1445) |c_~#value~0.base| v_ArrVal_1450) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11|) 0 1)) |c_~#inc_flag~0.base|) |c_~#inc_flag~0.offset|) 4294967296) 0)) (< |c_~#dec_flag~0.base| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11|))) is different from false [2023-05-04 19:46:08,435 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1449 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| Int) (v_ArrVal_1446 (Array Int Int)) (v_ArrVal_1445 (Array Int Int)) (v_ArrVal_1444 (Array Int Int)) (v_ArrVal_1450 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| Int)) (or (< |c_~#dec_flag~0.base| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11|) (not (= (mod (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1444))) (store (store (store .cse0 |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| v_ArrVal_1449) |c_~#value~0.base| v_ArrVal_1446) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| (store (select (store (store .cse0 |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| v_ArrVal_1445) |c_~#value~0.base| v_ArrVal_1450) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11|) 0 1))) |c_~#inc_flag~0.base|) |c_~#inc_flag~0.offset|) 4294967296) 0)))) is different from false [2023-05-04 19:46:08,801 WARN L833 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_1449 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| Int) (v_ArrVal_1446 (Array Int Int)) (v_ArrVal_1445 (Array Int Int)) (v_ArrVal_1444 (Array Int Int)) (v_ArrVal_1450 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| Int)) (or (< |c_~#dec_flag~0.base| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11|) (not (= (mod (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1444))) (store (store (store .cse0 |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| v_ArrVal_1449) |c_~#value~0.base| v_ArrVal_1446) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| (store (select (store (store .cse0 |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| v_ArrVal_1445) |c_~#value~0.base| v_ArrVal_1450) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11|) 0 1))) |c_~#inc_flag~0.base|) |c_~#inc_flag~0.offset|) 4294967296) 0)))) (= (mod |c_thr1Thread2of3ForFork0_dec_#t~mem12#1| 4294967296) 0)) is different from false [2023-05-04 19:46:08,849 WARN L833 $PredicateComparison]: unable to prove that (or (= (mod (select (select |c_#memory_int| |c_thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base|) |c_thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.offset|) 4294967296) 0) (forall ((v_ArrVal_1449 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| Int) (v_ArrVal_1446 (Array Int Int)) (v_ArrVal_1445 (Array Int Int)) (v_ArrVal_1444 (Array Int Int)) (v_ArrVal_1450 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| Int)) (or (< |c_~#dec_flag~0.base| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11|) (not (= (mod (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1444))) (store (store (store .cse0 |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| v_ArrVal_1449) |c_~#value~0.base| v_ArrVal_1446) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| (store (select (store (store .cse0 |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| v_ArrVal_1445) |c_~#value~0.base| v_ArrVal_1450) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11|) 0 1))) |c_~#inc_flag~0.base|) |c_~#inc_flag~0.offset|) 4294967296) 0))))) is different from false [2023-05-04 19:46:09,212 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (= (mod (select (select |c_#memory_int| |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296) (mod |c_thr1Thread2of3ForFork0_dec_~dec__v~0#1| 4294967296)))) (and (or (not .cse0) (forall ((v_ArrVal_1439 (Array Int Int)) (v_ArrVal_1449 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| Int) (v_ArrVal_1446 (Array Int Int)) (v_ArrVal_1445 (Array Int Int)) (|v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| Int) (v_ArrVal_1444 (Array Int Int)) (v_ArrVal_1443 (Array Int Int)) (v_ArrVal_1441 (Array Int Int)) (v_ArrVal_1440 (Array Int Int)) (v_ArrVal_1450 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| Int) (|thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| Int)) (or (< |c_~#dec_flag~0.base| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11|) (< |c_~#dec_flag~0.base| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9|) (not (= (mod (select (select (let ((.cse1 (store (store (store (store |c_#memory_int| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| v_ArrVal_1443) |c_~#value~0.base| v_ArrVal_1441) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| (store (select (store (store |c_#memory_int| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| v_ArrVal_1440) |c_~#value~0.base| v_ArrVal_1439) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base|) |c_thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.offset| 1)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1444))) (store (store (store .cse1 |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| v_ArrVal_1449) |c_~#value~0.base| v_ArrVal_1446) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| (store (select (store (store .cse1 |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| v_ArrVal_1445) |c_~#value~0.base| v_ArrVal_1450) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11|) 0 1))) |c_~#inc_flag~0.base|) |c_~#inc_flag~0.offset|) 4294967296) 0))))) (or .cse0 (forall ((v_ArrVal_1449 (Array Int Int)) (v_ArrVal_1437 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| Int) (v_ArrVal_1446 (Array Int Int)) (|thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| Int) (v_ArrVal_1445 (Array Int Int)) (v_ArrVal_1444 (Array Int Int)) (v_ArrVal_1450 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| Int)) (or (< |c_~#dec_flag~0.base| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11|) (not (= (mod (select (select (let ((.cse2 (store (store |c_#memory_int| |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| v_ArrVal_1437) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1444))) (store (store (store .cse2 |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| v_ArrVal_1449) |c_~#value~0.base| v_ArrVal_1446) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| (store (select (store (store .cse2 |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| v_ArrVal_1445) |c_~#value~0.base| v_ArrVal_1450) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11|) 0 1))) |c_~#inc_flag~0.base|) |c_~#inc_flag~0.offset|) 4294967296) 0)) (= (mod (select v_ArrVal_1437 |c_thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.offset|) 4294967296) 0)))))) is different from false [2023-05-04 19:46:09,632 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (= (mod |c_thr1Thread2of3ForFork0_dec_#t~mem13#1| 4294967296) (mod (select (select |c_#memory_int| |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)))) (and (or (forall ((v_ArrVal_1439 (Array Int Int)) (v_ArrVal_1449 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| Int) (v_ArrVal_1446 (Array Int Int)) (v_ArrVal_1445 (Array Int Int)) (|v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| Int) (v_ArrVal_1444 (Array Int Int)) (v_ArrVal_1443 (Array Int Int)) (v_ArrVal_1441 (Array Int Int)) (v_ArrVal_1440 (Array Int Int)) (v_ArrVal_1450 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| Int) (|thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| Int)) (or (< |c_~#dec_flag~0.base| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11|) (< |c_~#dec_flag~0.base| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9|) (not (= (mod (select (select (let ((.cse0 (store (store (store (store |c_#memory_int| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| v_ArrVal_1443) |c_~#value~0.base| v_ArrVal_1441) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| (store (select (store (store |c_#memory_int| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| v_ArrVal_1440) |c_~#value~0.base| v_ArrVal_1439) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base|) |c_thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.offset| 1)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1444))) (store (store (store .cse0 |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| v_ArrVal_1449) |c_~#value~0.base| v_ArrVal_1446) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| (store (select (store (store .cse0 |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| v_ArrVal_1445) |c_~#value~0.base| v_ArrVal_1450) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11|) 0 1))) |c_~#inc_flag~0.base|) |c_~#inc_flag~0.offset|) 4294967296) 0)))) (not .cse1)) (or .cse1 (forall ((v_ArrVal_1449 (Array Int Int)) (v_ArrVal_1437 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| Int) (v_ArrVal_1446 (Array Int Int)) (|thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| Int) (v_ArrVal_1445 (Array Int Int)) (v_ArrVal_1444 (Array Int Int)) (v_ArrVal_1450 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| Int)) (or (< |c_~#dec_flag~0.base| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11|) (not (= (mod (select (select (let ((.cse2 (store (store |c_#memory_int| |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| v_ArrVal_1437) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1444))) (store (store (store .cse2 |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| v_ArrVal_1449) |c_~#value~0.base| v_ArrVal_1446) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| (store (select (store (store .cse2 |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| v_ArrVal_1445) |c_~#value~0.base| v_ArrVal_1450) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11|) 0 1))) |c_~#inc_flag~0.base|) |c_~#inc_flag~0.offset|) 4294967296) 0)) (= (mod (select v_ArrVal_1437 |c_thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.offset|) 4294967296) 0)))))) is different from false [2023-05-04 19:46:09,696 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1439 (Array Int Int)) (v_ArrVal_1449 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| Int) (v_ArrVal_1446 (Array Int Int)) (v_ArrVal_1445 (Array Int Int)) (|v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| Int) (v_ArrVal_1444 (Array Int Int)) (v_ArrVal_1443 (Array Int Int)) (v_ArrVal_1441 (Array Int Int)) (v_ArrVal_1440 (Array Int Int)) (v_ArrVal_1450 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| Int) (|thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| Int)) (or (< |c_~#dec_flag~0.base| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11|) (< |c_~#dec_flag~0.base| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9|) (not (= (mod (select (select (let ((.cse0 (store (store (store (store |c_#memory_int| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| v_ArrVal_1443) |c_~#value~0.base| v_ArrVal_1441) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| (store (select (store (store |c_#memory_int| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| v_ArrVal_1440) |c_~#value~0.base| v_ArrVal_1439) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base|) |c_thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.offset| 1)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1444))) (store (store (store .cse0 |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| v_ArrVal_1449) |c_~#value~0.base| v_ArrVal_1446) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| (store (select (store (store .cse0 |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| v_ArrVal_1445) |c_~#value~0.base| v_ArrVal_1450) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11|) 0 1))) |c_~#inc_flag~0.base|) |c_~#inc_flag~0.offset|) 4294967296) 0)))) is different from false [2023-05-04 19:46:09,830 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1439 (Array Int Int)) (v_ArrVal_1449 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| Int) (v_ArrVal_1446 (Array Int Int)) (v_ArrVal_1445 (Array Int Int)) (|v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| Int) (v_ArrVal_1444 (Array Int Int)) (v_ArrVal_1443 (Array Int Int)) (v_ArrVal_1441 (Array Int Int)) (v_ArrVal_1440 (Array Int Int)) (v_ArrVal_1450 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| Int) (|thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| Int)) (or (< |c_~#dec_flag~0.base| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11|) (< |c_~#dec_flag~0.base| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9|) (not (= (mod (select (select (let ((.cse0 (store (store (store (store |c_#memory_int| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| v_ArrVal_1443) |c_~#value~0.base| v_ArrVal_1441) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| (store (select (store (store |c_#memory_int| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| v_ArrVal_1440) |c_~#value~0.base| v_ArrVal_1439) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base|) 0 1)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1444))) (store (store (store .cse0 |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| v_ArrVal_1449) |c_~#value~0.base| v_ArrVal_1446) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| (store (select (store (store .cse0 |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| v_ArrVal_1445) |c_~#value~0.base| v_ArrVal_1450) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11|) 0 1))) |c_~#inc_flag~0.base|) |c_~#inc_flag~0.offset|) 4294967296) 0)))) is different from false [2023-05-04 19:46:11,976 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (= (mod |c_thr1Thread1of3ForFork0_inc_~inc__v~0#1| 4294967296) (mod (select (select |c_#memory_int| |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)))) (and (or (forall ((v_ArrVal_1428 (Array Int Int)) (v_ArrVal_1439 (Array Int Int)) (v_ArrVal_1449 (Array Int Int)) (v_ArrVal_1436 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| Int) (v_ArrVal_1446 (Array Int Int)) (v_ArrVal_1445 (Array Int Int)) (|v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| Int) (v_ArrVal_1444 (Array Int Int)) (v_ArrVal_1432 (Array Int Int)) (v_ArrVal_1443 (Array Int Int)) (v_ArrVal_1431 (Array Int Int)) (v_ArrVal_1441 (Array Int Int)) (v_ArrVal_1440 (Array Int Int)) (v_ArrVal_1450 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| Int) (|thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| Int) (|thr1Thread1of3ForFork0_inc_~#inc__casret~0#1.base| Int)) (or (< |c_~#dec_flag~0.base| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11|) (< |c_~#dec_flag~0.base| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9|) (not (= (mod (select (select (let ((.cse0 (store (let ((.cse1 (store (store (store (store |c_#memory_int| |c_~#inc_flag~0.base| (store (select |c_#memory_int| |c_~#inc_flag~0.base|) |c_~#inc_flag~0.offset| 1)) |c_~#value~0.base| v_ArrVal_1432) |thr1Thread1of3ForFork0_inc_~#inc__casret~0#1.base| (store (select (store (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_1431) |c_~#value~0.base| v_ArrVal_1428) |thr1Thread1of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread1of3ForFork0_inc_~#inc__casret~0#1.offset| 1)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1436))) (store (store (store .cse1 |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| v_ArrVal_1443) |c_~#value~0.base| v_ArrVal_1441) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| (store (select (store (store .cse1 |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| v_ArrVal_1440) |c_~#value~0.base| v_ArrVal_1439) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base|) 0 1))) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1444))) (store (store (store .cse0 |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| v_ArrVal_1449) |c_~#value~0.base| v_ArrVal_1446) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| (store (select (store (store .cse0 |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| v_ArrVal_1445) |c_~#value~0.base| v_ArrVal_1450) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11|) 0 1))) |c_~#inc_flag~0.base|) |c_~#inc_flag~0.offset|) 4294967296) 0)))) (not .cse2)) (or .cse2 (forall ((v_ArrVal_1439 (Array Int Int)) (v_ArrVal_1449 (Array Int Int)) (v_ArrVal_1436 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| Int) (v_ArrVal_1446 (Array Int Int)) (v_ArrVal_1434 (Array Int Int)) (v_ArrVal_1445 (Array Int Int)) (|v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| Int) (v_ArrVal_1444 (Array Int Int)) (v_ArrVal_1443 (Array Int Int)) (v_ArrVal_1441 (Array Int Int)) (v_ArrVal_1440 (Array Int Int)) (v_ArrVal_1450 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| Int) (|thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| Int) (|thr1Thread1of3ForFork0_inc_~#inc__casret~0#1.base| Int)) (or (< |c_~#dec_flag~0.base| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11|) (< |c_~#dec_flag~0.base| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9|) (not (= (mod (select (select (let ((.cse3 (store (let ((.cse4 (store (store |c_#memory_int| |thr1Thread1of3ForFork0_inc_~#inc__casret~0#1.base| v_ArrVal_1434) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1436))) (store (store (store .cse4 |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| v_ArrVal_1443) |c_~#value~0.base| v_ArrVal_1441) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| (store (select (store (store .cse4 |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| v_ArrVal_1440) |c_~#value~0.base| v_ArrVal_1439) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base|) 0 1))) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1444))) (store (store (store .cse3 |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| v_ArrVal_1449) |c_~#value~0.base| v_ArrVal_1446) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| (store (select (store (store .cse3 |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| v_ArrVal_1445) |c_~#value~0.base| v_ArrVal_1450) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11|) 0 1))) |c_~#inc_flag~0.base|) |c_~#inc_flag~0.offset|) 4294967296) 0))))))) is different from false [2023-05-04 19:46:12,458 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (= (mod |c_thr1Thread1of3ForFork0_inc_#t~mem8#1| 4294967296) (mod (select (select |c_#memory_int| |c_~#value~0.base|) |c_~#value~0.offset|) 4294967296)))) (and (or (forall ((v_ArrVal_1428 (Array Int Int)) (v_ArrVal_1439 (Array Int Int)) (v_ArrVal_1449 (Array Int Int)) (v_ArrVal_1436 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| Int) (v_ArrVal_1446 (Array Int Int)) (v_ArrVal_1445 (Array Int Int)) (|v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| Int) (v_ArrVal_1444 (Array Int Int)) (v_ArrVal_1432 (Array Int Int)) (v_ArrVal_1443 (Array Int Int)) (v_ArrVal_1431 (Array Int Int)) (v_ArrVal_1441 (Array Int Int)) (v_ArrVal_1440 (Array Int Int)) (v_ArrVal_1450 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| Int) (|thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| Int) (|thr1Thread1of3ForFork0_inc_~#inc__casret~0#1.base| Int)) (or (< |c_~#dec_flag~0.base| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11|) (< |c_~#dec_flag~0.base| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9|) (not (= (mod (select (select (let ((.cse0 (store (let ((.cse1 (store (store (store (store |c_#memory_int| |c_~#inc_flag~0.base| (store (select |c_#memory_int| |c_~#inc_flag~0.base|) |c_~#inc_flag~0.offset| 1)) |c_~#value~0.base| v_ArrVal_1432) |thr1Thread1of3ForFork0_inc_~#inc__casret~0#1.base| (store (select (store (store |c_#memory_int| |c_~#inc_flag~0.base| v_ArrVal_1431) |c_~#value~0.base| v_ArrVal_1428) |thr1Thread1of3ForFork0_inc_~#inc__casret~0#1.base|) |c_thr1Thread1of3ForFork0_inc_~#inc__casret~0#1.offset| 1)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1436))) (store (store (store .cse1 |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| v_ArrVal_1443) |c_~#value~0.base| v_ArrVal_1441) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| (store (select (store (store .cse1 |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| v_ArrVal_1440) |c_~#value~0.base| v_ArrVal_1439) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base|) 0 1))) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1444))) (store (store (store .cse0 |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| v_ArrVal_1449) |c_~#value~0.base| v_ArrVal_1446) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| (store (select (store (store .cse0 |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| v_ArrVal_1445) |c_~#value~0.base| v_ArrVal_1450) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11|) 0 1))) |c_~#inc_flag~0.base|) |c_~#inc_flag~0.offset|) 4294967296) 0)))) (not .cse2)) (or (forall ((v_ArrVal_1439 (Array Int Int)) (v_ArrVal_1449 (Array Int Int)) (v_ArrVal_1436 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| Int) (v_ArrVal_1446 (Array Int Int)) (v_ArrVal_1434 (Array Int Int)) (v_ArrVal_1445 (Array Int Int)) (|v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| Int) (v_ArrVal_1444 (Array Int Int)) (v_ArrVal_1443 (Array Int Int)) (v_ArrVal_1441 (Array Int Int)) (v_ArrVal_1440 (Array Int Int)) (v_ArrVal_1450 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| Int) (|thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| Int) (|thr1Thread1of3ForFork0_inc_~#inc__casret~0#1.base| Int)) (or (< |c_~#dec_flag~0.base| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11|) (< |c_~#dec_flag~0.base| |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9|) (not (= (mod (select (select (let ((.cse3 (store (let ((.cse4 (store (store |c_#memory_int| |thr1Thread1of3ForFork0_inc_~#inc__casret~0#1.base| v_ArrVal_1434) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1436))) (store (store (store .cse4 |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| v_ArrVal_1443) |c_~#value~0.base| v_ArrVal_1441) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base| (store (select (store (store .cse4 |v_thr1Thread2of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_9| v_ArrVal_1440) |c_~#value~0.base| v_ArrVal_1439) |thr1Thread2of3ForFork0_dec_~#dec__casret~0#1.base|) 0 1))) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1444))) (store (store (store .cse3 |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| v_ArrVal_1449) |c_~#value~0.base| v_ArrVal_1446) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| (store (select (store (store .cse3 |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~flag#1.base_11| v_ArrVal_1445) |c_~#value~0.base| v_ArrVal_1450) |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11|) 0 1))) |c_~#inc_flag~0.base|) |c_~#inc_flag~0.offset|) 4294967296) 0)))) .cse2))) is different from false [2023-05-04 19:46:12,670 INFO L356 Elim1Store]: treesize reduction 13, result has 69.0 percent of original size [2023-05-04 19:46:12,670 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 662 treesize of output 555 Received shutdown request... [2023-05-04 19:47:21,375 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 19:47:21,375 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 19:47:21,375 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 19:47:21,375 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 19:47:21,375 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 19:47:21,375 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 19:47:22,587 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Ended with exit code 0 [2023-05-04 19:47:22,587 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 19:47:22,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-05-04 19:47:22,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Forceful destruction successful, exit code 0 [2023-05-04 19:47:22,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Forceful destruction successful, exit code 0 [2023-05-04 19:47:22,725 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-05-04 19:47:22,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown