/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-32214ab [2023-05-20 15:45:00,356 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-20 15:45:00,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 15:45:00,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 15:45:00,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 15:45:00,442 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 15:45:00,462 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 15:45:00,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 15:45:00,463 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 15:45:00,463 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 15:45:00,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 15:45:00,463 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 15:45:00,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 15:45:00,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 15:45:00,464 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 15:45:00,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 15:45:00,464 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 15:45:00,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 15:45:00,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 15:45:00,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 15:45:00,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 15:45:00,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 15:45:00,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 15:45:00,465 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 15:45:00,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 15:45:00,465 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 15:45:00,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 15:45:00,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 15:45:00,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 15:45:00,466 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 15:45:00,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 15:45:00,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 15:45:00,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 15:45:00,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 15:45:00,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 15:45:00,467 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 15:45:00,467 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 15:45:00,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 15:45:00,467 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 15:45:00,467 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 15:45:00,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 15:45:00,467 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 15:45:00,468 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-20 15:45:00,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 15:45:00,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 15:45:00,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 15:45:00,732 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 15:45:00,735 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 15:45:00,737 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/04_incdec_cas.i [2023-05-20 15:45:00,797 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3357adf7/0a07bc613228419785d3a2546baefd42/FLAG95adfb63a [2023-05-20 15:45:01,244 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 15:45:01,245 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/04_incdec_cas.i [2023-05-20 15:45:01,265 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3357adf7/0a07bc613228419785d3a2546baefd42/FLAG95adfb63a [2023-05-20 15:45:01,276 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3357adf7/0a07bc613228419785d3a2546baefd42 [2023-05-20 15:45:01,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 15:45:01,280 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 15:45:01,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 15:45:01,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 15:45:01,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 15:45:01,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 03:45:01" (1/1) ... [2023-05-20 15:45:01,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@306421dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:45:01, skipping insertion in model container [2023-05-20 15:45:01,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 03:45:01" (1/1) ... [2023-05-20 15:45:01,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 15:45:01,334 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 15:45:01,621 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] [2023-05-20 15:45:01,635 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] [2023-05-20 15:45:01,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 15:45:01,654 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 15:45:01,700 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] [2023-05-20 15:45:01,703 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] [2023-05-20 15:45:01,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 15:45:01,751 INFO L208 MainTranslator]: Completed translation [2023-05-20 15:45:01,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:45:01 WrapperNode [2023-05-20 15:45:01,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 15:45:01,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 15:45:01,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 15:45:01,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 15:45:01,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:45:01" (1/1) ... [2023-05-20 15:45:01,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:45:01" (1/1) ... [2023-05-20 15:45:01,821 INFO L138 Inliner]: procedures = 172, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 158 [2023-05-20 15:45:01,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 15:45:01,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 15:45:01,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 15:45:01,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 15:45:01,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:45:01" (1/1) ... [2023-05-20 15:45:01,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:45:01" (1/1) ... [2023-05-20 15:45:01,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:45:01" (1/1) ... [2023-05-20 15:45:01,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:45:01" (1/1) ... [2023-05-20 15:45:01,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:45:01" (1/1) ... [2023-05-20 15:45:01,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:45:01" (1/1) ... [2023-05-20 15:45:01,849 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:45:01" (1/1) ... [2023-05-20 15:45:01,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:45:01" (1/1) ... [2023-05-20 15:45:01,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 15:45:01,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 15:45:01,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 15:45:01,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 15:45:01,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:45:01" (1/1) ... [2023-05-20 15:45:01,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 15:45:01,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:45:01,881 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) [2023-05-20 15:45:01,882 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 [2023-05-20 15:45:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 15:45:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-05-20 15:45:01,914 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-05-20 15:45:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 15:45:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 15:45:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 15:45:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 15:45:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 15:45:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 15:45:01,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 15:45:01,916 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 15:45:02,020 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 15:45:02,022 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 15:45:02,309 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 15:45:02,476 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 15:45:02,476 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-20 15:45:02,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 03:45:02 BoogieIcfgContainer [2023-05-20 15:45:02,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 15:45:02,481 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 15:45:02,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 15:45:02,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 15:45:02,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 03:45:01" (1/3) ... [2023-05-20 15:45:02,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8303e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 03:45:02, skipping insertion in model container [2023-05-20 15:45:02,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:45:01" (2/3) ... [2023-05-20 15:45:02,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8303e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 03:45:02, skipping insertion in model container [2023-05-20 15:45:02,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 03:45:02" (3/3) ... [2023-05-20 15:45:02,486 INFO L112 eAbstractionObserver]: Analyzing ICFG 04_incdec_cas.i [2023-05-20 15:45:02,493 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 15:45:02,503 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 15:45:02,504 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-05-20 15:45:02,504 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 15:45:02,603 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-20 15:45:02,657 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 15:45:02,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 15:45:02,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:45:02,662 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) [2023-05-20 15:45:02,667 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 [2023-05-20 15:45:02,716 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 15:45:02,739 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2023-05-20 15:45:02,749 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;@6747d763, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 15:45:02,749 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-05-20 15:45:03,059 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 15:45:03,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:45:03,066 INFO L85 PathProgramCache]: Analyzing trace with hash 836751063, now seen corresponding path program 1 times [2023-05-20 15:45:03,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:45:03,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327806760] [2023-05-20 15:45:03,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:45:03,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:45:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:45:04,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:45:04,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:45:04,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327806760] [2023-05-20 15:45:04,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327806760] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 15:45:04,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 15:45:04,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-05-20 15:45:04,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009182659] [2023-05-20 15:45:04,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 15:45:04,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-05-20 15:45:04,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:45:04,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-05-20 15:45:04,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-05-20 15:45:04,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:45:04,779 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:45:04,780 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) [2023-05-20 15:45:04,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:45:05,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 15:45:05,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 15:45:05,144 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 15:45:05,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:45:05,145 INFO L85 PathProgramCache]: Analyzing trace with hash -2016086959, now seen corresponding path program 2 times [2023-05-20 15:45:05,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:45:05,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417800712] [2023-05-20 15:45:05,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:45:05,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:45:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:45:06,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:45:06,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:45:06,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417800712] [2023-05-20 15:45:06,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417800712] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:45:06,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760371942] [2023-05-20 15:45:06,088 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 15:45:06,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:45:06,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:45:06,093 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) [2023-05-20 15:45:06,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 15:45:06,204 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 15:45:06,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 15:45:06,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 72 conjunts are in the unsatisfiable core [2023-05-20 15:45:06,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:45:06,669 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-05-20 15:45:06,670 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 [2023-05-20 15:45:06,814 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 [2023-05-20 15:45:07,116 INFO L356 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-05-20 15:45:07,117 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 [2023-05-20 15:45:07,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:45:07,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:45:07,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:45:07,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:45:07,631 INFO L356 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-05-20 15:45:07,631 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 [2023-05-20 15:45:07,659 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 [2023-05-20 15:45:07,684 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 [2023-05-20 15:45:08,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:45:08,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:45:08,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:45:08,190 INFO L356 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2023-05-20 15:45:08,191 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 [2023-05-20 15:45:08,210 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 [2023-05-20 15:45:08,221 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 [2023-05-20 15:45:08,229 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 [2023-05-20 15:45:08,249 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 15:45:08,250 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 [2023-05-20 15:45:08,262 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 [2023-05-20 15:45:09,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:45:10,019 INFO L356 Elim1Store]: treesize reduction 78, result has 40.0 percent of original size [2023-05-20 15:45:10,020 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 [2023-05-20 15:45:10,747 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 [2023-05-20 15:45:10,994 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 [2023-05-20 15:45:11,277 INFO L356 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-05-20 15:45:11,278 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 [2023-05-20 15:45:11,498 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 [2023-05-20 15:45:14,439 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 [2023-05-20 15:45:14,480 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 [2023-05-20 15:45:14,555 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 [2023-05-20 15:45:14,688 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 [2023-05-20 15:45:14,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:45:14,767 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 15:45:14,830 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 [2023-05-20 15:45:14,936 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 [2023-05-20 15:45:15,023 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 [2023-05-20 15:45:24,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2023-05-20 15:45:24,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1760371942] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 15:45:24,155 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 15:45:24,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17, 15] total 43 [2023-05-20 15:45:24,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877636163] [2023-05-20 15:45:24,156 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 15:45:24,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-05-20 15:45:24,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:45:24,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-05-20 15:45:24,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=1359, Unknown=38, NotChecked=240, Total=1892 [2023-05-20 15:45:24,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:45:24,159 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:45:24,160 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) [2023-05-20 15:45:24,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 15:45:24,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:45:26,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 15:45:26,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 15:45:26,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-20 15:45:26,743 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 [2023-05-20 15:45:26,744 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 15:45:26,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:45:26,745 INFO L85 PathProgramCache]: Analyzing trace with hash -4183285, now seen corresponding path program 1 times [2023-05-20 15:45:26,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:45:26,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456502] [2023-05-20 15:45:26,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:45:26,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:45:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:45:29,503 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:45:29,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:45:29,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456502] [2023-05-20 15:45:29,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456502] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:45:29,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259846287] [2023-05-20 15:45:29,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:45:29,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:45:29,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:45:29,509 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) [2023-05-20 15:45:29,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 15:45:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:45:29,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 68 conjunts are in the unsatisfiable core [2023-05-20 15:45:29,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:45:30,668 INFO L356 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2023-05-20 15:45:30,669 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 [2023-05-20 15:45:30,695 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 [2023-05-20 15:45:30,719 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 [2023-05-20 15:45:30,743 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 [2023-05-20 15:45:30,956 INFO L244 Elim1Store]: Index analysis took 117 ms [2023-05-20 15:45:31,088 INFO L356 Elim1Store]: treesize reduction 48, result has 26.2 percent of original size [2023-05-20 15:45:31,089 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 [2023-05-20 15:45:31,203 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 [2023-05-20 15:45:31,226 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 [2023-05-20 15:45:31,371 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 15:45:31,372 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 15:45:31,397 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 15:45:31,397 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 15:45:31,399 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 [2023-05-20 15:45:31,413 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 [2023-05-20 15:45:31,832 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 15:45:31,833 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 [2023-05-20 15:45:31,843 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 [2023-05-20 15:45:32,281 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 15:45:32,282 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 [2023-05-20 15:45:32,354 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 [2023-05-20 15:45:32,390 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 [2023-05-20 15:45:32,419 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 [2023-05-20 15:45:32,456 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 [2023-05-20 15:45:32,624 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:45:32,625 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 15:45:32,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259846287] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 15:45:32,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 15:45:32,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [17] total 24 [2023-05-20 15:45:32,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830864771] [2023-05-20 15:45:32,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 15:45:32,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-20 15:45:32,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:45:32,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-20 15:45:32,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=471, Unknown=0, NotChecked=0, Total=552 [2023-05-20 15:45:32,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:45:32,627 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:45:32,627 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) [2023-05-20 15:45:32,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 15:45:32,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 15:45:32,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:45:33,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 15:45:33,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 15:45:33,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 15:45:33,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-20 15:45:33,342 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 [2023-05-20 15:45:33,343 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 15:45:33,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:45:33,343 INFO L85 PathProgramCache]: Analyzing trace with hash -2121146211, now seen corresponding path program 3 times [2023-05-20 15:45:33,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:45:33,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581774693] [2023-05-20 15:45:33,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:45:33,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:45:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:45:35,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:45:35,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:45:35,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581774693] [2023-05-20 15:45:35,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581774693] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:45:35,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354658463] [2023-05-20 15:45:35,024 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 15:45:35,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:45:35,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:45:35,033 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) [2023-05-20 15:45:35,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 15:45:35,135 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-05-20 15:45:35,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 15:45:35,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 74 conjunts are in the unsatisfiable core [2023-05-20 15:45:35,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:45:36,155 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-05-20 15:45:36,155 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 [2023-05-20 15:45:36,571 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 [2023-05-20 15:45:37,519 INFO L356 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2023-05-20 15:45:37,519 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 [2023-05-20 15:45:38,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:45:38,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:45:38,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:45:38,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:45:38,991 INFO L356 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-05-20 15:45:38,991 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 [2023-05-20 15:45:39,033 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 [2023-05-20 15:45:39,056 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 [2023-05-20 15:45:39,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:45:39,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:45:39,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:45:39,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:45:39,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:45:39,657 INFO L356 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2023-05-20 15:45:39,658 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 [2023-05-20 15:45:39,690 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 [2023-05-20 15:45:39,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:45:39,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:45:39,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:45:39,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:45:39,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:45:39,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:45:39,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:45:39,843 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 [2023-05-20 15:45:39,853 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 [2023-05-20 15:45:39,881 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 [2023-05-20 15:45:41,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:45:41,204 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 [2023-05-20 15:45:41,278 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 [2023-05-20 15:45:42,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:45:42,217 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 15:45:43,169 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 [2023-05-20 15:45:43,282 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 [2023-05-20 15:45:43,546 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 [2023-05-20 15:45:43,668 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 [2023-05-20 15:46:01,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:46:01,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354658463] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 15:46:01,286 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 15:46:01,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17, 15] total 43 [2023-05-20 15:46:01,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675503116] [2023-05-20 15:46:01,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 15:46:01,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-05-20 15:46:01,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:46:01,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-05-20 15:46:01,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=1315, Unknown=23, NotChecked=316, Total=1892 [2023-05-20 15:46:01,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:01,288 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:46:01,289 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) [2023-05-20 15:46:01,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 15:46:01,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 15:46:01,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 15:46:01,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:08,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 15:46:08,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 15:46:08,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 15:46:08,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 15:46:08,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-20 15:46:08,456 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 [2023-05-20 15:46:08,456 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 15:46:08,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:46:08,457 INFO L85 PathProgramCache]: Analyzing trace with hash 305158155, now seen corresponding path program 2 times [2023-05-20 15:46:08,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:46:08,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577280526] [2023-05-20 15:46:08,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:46:08,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:46:08,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:46:10,836 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:46:10,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:46:10,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577280526] [2023-05-20 15:46:10,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577280526] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:46:10,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579374713] [2023-05-20 15:46:10,837 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 15:46:10,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:46:10,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:46:10,838 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) [2023-05-20 15:46:10,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 15:46:10,955 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 15:46:10,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 15:46:10,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 77 conjunts are in the unsatisfiable core [2023-05-20 15:46:10,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:46:11,292 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-20 15:46:11,293 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 [2023-05-20 15:46:12,238 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 [2023-05-20 15:46:12,641 INFO L356 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2023-05-20 15:46:12,641 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 [2023-05-20 15:46:12,663 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 [2023-05-20 15:46:12,682 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 [2023-05-20 15:46:12,702 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 [2023-05-20 15:46:13,298 INFO L356 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2023-05-20 15:46:13,299 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 [2023-05-20 15:46:13,335 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 [2023-05-20 15:46:13,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:46:13,368 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 [2023-05-20 15:46:13,377 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 [2023-05-20 15:46:13,386 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 [2023-05-20 15:46:14,299 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:46:14,299 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 15:46:14,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579374713] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 15:46:14,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 15:46:14,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [16] total 26 [2023-05-20 15:46:14,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053501133] [2023-05-20 15:46:14,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 15:46:14,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-20 15:46:14,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:46:14,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-20 15:46:14,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=547, Unknown=4, NotChecked=0, Total=650 [2023-05-20 15:46:14,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:14,301 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:46:14,301 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) [2023-05-20 15:46:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 15:46:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-20 15:46:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 15:46:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-20 15:46:14,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:16,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 15:46:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 15:46:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 15:46:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 15:46:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 15:46:16,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-20 15:46:16,339 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 [2023-05-20 15:46:16,339 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 15:46:16,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:46:16,339 INFO L85 PathProgramCache]: Analyzing trace with hash 968064218, now seen corresponding path program 1 times [2023-05-20 15:46:16,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:46:16,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727593983] [2023-05-20 15:46:16,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:46:16,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:46:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:46:16,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:46:16,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:46:16,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727593983] [2023-05-20 15:46:16,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727593983] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 15:46:16,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 15:46:16,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-05-20 15:46:16,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858450323] [2023-05-20 15:46:16,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 15:46:16,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-20 15:46:16,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:46:16,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-20 15:46:16,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-05-20 15:46:16,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:16,742 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:46:16,742 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) [2023-05-20 15:46:16,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 15:46:16,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-20 15:46:16,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 15:46:16,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-20 15:46:16,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 15:46:16,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:17,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 15:46:17,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 15:46:17,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 15:46:17,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 15:46:17,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 15:46:17,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:46:17,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-05-20 15:46:17,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-05-20 15:46:17,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-20 15:46:17,396 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 1] [2023-05-20 15:46:17,398 INFO L307 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE,SAFE (1/2) [2023-05-20 15:46:17,401 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 15:46:17,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 15:46:17,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:46:17,402 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) [2023-05-20 15:46:17,405 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 [2023-05-20 15:46:17,406 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 15:46:17,407 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 15:46:17,408 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;@6747d763, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 15:46:17,408 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-05-20 15:46:17,453 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:46:17,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:46:17,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1317869555, now seen corresponding path program 1 times [2023-05-20 15:46:17,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:46:17,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373297089] [2023-05-20 15:46:17,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:46:17,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:46:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:46:17,815 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:46:17,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:46:17,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373297089] [2023-05-20 15:46:17,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373297089] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 15:46:17,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 15:46:17,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-20 15:46:17,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231607356] [2023-05-20 15:46:17,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 15:46:17,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-20 15:46:17,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:46:17,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-20 15:46:17,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-05-20 15:46:17,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:17,817 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:46:17,817 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) [2023-05-20 15:46:17,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:18,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:46:18,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-05-20 15:46:18,317 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:46:18,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:46:18,317 INFO L85 PathProgramCache]: Analyzing trace with hash 708620531, now seen corresponding path program 1 times [2023-05-20 15:46:18,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:46:18,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540074796] [2023-05-20 15:46:18,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:46:18,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:46:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:46:19,503 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:46:19,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:46:19,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540074796] [2023-05-20 15:46:19,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540074796] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 15:46:19,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 15:46:19,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-05-20 15:46:19,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445914429] [2023-05-20 15:46:19,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 15:46:19,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-05-20 15:46:19,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:46:19,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-05-20 15:46:19,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-05-20 15:46:19,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:19,504 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:46:19,505 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) [2023-05-20 15:46:19,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:46:19,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:20,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 15:46:20,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 15:46:20,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-05-20 15:46:20,276 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:46:20,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:46:20,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1997522658, now seen corresponding path program 1 times [2023-05-20 15:46:20,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:46:20,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817952067] [2023-05-20 15:46:20,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:46:20,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:46:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-20 15:46:20,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-05-20 15:46:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-20 15:46:20,361 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-05-20 15:46:20,362 INFO L359 BasicCegarLoop]: Counterexample is feasible [2023-05-20 15:46:20,362 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-05-20 15:46:20,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-05-20 15:46:20,364 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-05-20 15:46:20,365 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2) [2023-05-20 15:46:20,365 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-05-20 15:46:20,365 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-05-20 15:46:20,412 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-20 15:46:20,419 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 15:46:20,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 15:46:20,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:46:20,425 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) [2023-05-20 15:46:20,432 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 15:46:20,433 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 15:46:20,434 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;@6747d763, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 15:46:20,434 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-05-20 15:46:20,456 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 [2023-05-20 15:46:20,568 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:46:20,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:46:20,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1863273755, now seen corresponding path program 1 times [2023-05-20 15:46:20,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:46:20,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095765671] [2023-05-20 15:46:20,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:46:20,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:46:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:46:20,590 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-20 15:46:20,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:46:20,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095765671] [2023-05-20 15:46:20,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095765671] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 15:46:20,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 15:46:20,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 15:46:20,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154003048] [2023-05-20 15:46:20,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 15:46:20,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 15:46:20,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:46:20,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 15:46:20,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 15:46:20,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:20,592 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:46:20,592 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) [2023-05-20 15:46:20,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:20,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:20,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-05-20 15:46:20,646 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:46:20,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:46:20,646 INFO L85 PathProgramCache]: Analyzing trace with hash -364182573, now seen corresponding path program 1 times [2023-05-20 15:46:20,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:46:20,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82018650] [2023-05-20 15:46:20,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:46:20,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:46:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:46:21,097 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-20 15:46:21,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:46:21,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82018650] [2023-05-20 15:46:21,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82018650] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 15:46:21,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 15:46:21,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-20 15:46:21,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825124059] [2023-05-20 15:46:21,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 15:46:21,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-20 15:46:21,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:46:21,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-20 15:46:21,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-05-20 15:46:21,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:21,099 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:46:21,099 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) [2023-05-20 15:46:21,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:21,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:21,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:21,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:46:21,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-05-20 15:46:21,706 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:46:21,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:46:21,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1605111021, now seen corresponding path program 1 times [2023-05-20 15:46:21,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:46:21,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812936134] [2023-05-20 15:46:21,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:46:21,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:46:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:46:23,760 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-20 15:46:23,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:46:23,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812936134] [2023-05-20 15:46:23,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812936134] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 15:46:23,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 15:46:23,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-05-20 15:46:23,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157882638] [2023-05-20 15:46:23,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 15:46:23,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-05-20 15:46:23,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:46:23,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-05-20 15:46:23,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-05-20 15:46:23,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:23,762 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:46:23,762 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) [2023-05-20 15:46:23,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:23,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:46:23,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:25,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:25,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 15:46:25,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 15:46:25,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-05-20 15:46:25,112 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:46:25,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:46:25,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1813800222, now seen corresponding path program 1 times [2023-05-20 15:46:25,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:46:25,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094411059] [2023-05-20 15:46:25,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:46:25,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:46:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:46:25,526 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-20 15:46:25,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:46:25,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094411059] [2023-05-20 15:46:25,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094411059] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 15:46:25,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 15:46:25,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 15:46:25,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232828951] [2023-05-20 15:46:25,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 15:46:25,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 15:46:25,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:46:25,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 15:46:25,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-20 15:46:25,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:25,527 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:46:25,528 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) [2023-05-20 15:46:25,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:25,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 15:46:25,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 15:46:25,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:26,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:26,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 15:46:26,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 15:46:26,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 15:46:26,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-05-20 15:46:26,188 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:46:26,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:46:26,188 INFO L85 PathProgramCache]: Analyzing trace with hash -867569140, now seen corresponding path program 1 times [2023-05-20 15:46:26,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:46:26,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043872342] [2023-05-20 15:46:26,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:46:26,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:46:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-20 15:46:26,265 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-05-20 15:46:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-20 15:46:26,353 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-05-20 15:46:26,354 INFO L359 BasicCegarLoop]: Counterexample is feasible [2023-05-20 15:46:26,354 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-05-20 15:46:26,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-05-20 15:46:26,355 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-05-20 15:46:26,355 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/3) [2023-05-20 15:46:26,355 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-05-20 15:46:26,355 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-05-20 15:46:26,407 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-20 15:46:26,409 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 15:46:26,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 15:46:26,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:46:26,417 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) [2023-05-20 15:46:26,419 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 15:46:26,421 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread3of3ForFork0 ======== [2023-05-20 15:46:26,421 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;@6747d763, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 15:46:26,421 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-05-20 15:46:26,442 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 [2023-05-20 15:46:26,590 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 15:46:26,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:46:26,591 INFO L85 PathProgramCache]: Analyzing trace with hash -28517472, now seen corresponding path program 1 times [2023-05-20 15:46:26,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:46:26,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775017009] [2023-05-20 15:46:26,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:46:26,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:46:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:46:26,612 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-20 15:46:26,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:46:26,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775017009] [2023-05-20 15:46:26,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775017009] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 15:46:26,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 15:46:26,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 15:46:26,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941032576] [2023-05-20 15:46:26,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 15:46:26,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 15:46:26,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:46:26,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 15:46:26,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 15:46:26,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:26,614 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:46:26,614 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) [2023-05-20 15:46:26,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:26,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:26,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-05-20 15:46:26,950 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 15:46:26,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:46:26,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1083678928, now seen corresponding path program 1 times [2023-05-20 15:46:26,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:46:26,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686889544] [2023-05-20 15:46:26,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:46:26,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:46:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:46:27,476 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-05-20 15:46:27,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:46:27,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686889544] [2023-05-20 15:46:27,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686889544] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 15:46:27,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 15:46:27,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-20 15:46:27,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817225049] [2023-05-20 15:46:27,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 15:46:27,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-20 15:46:27,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:46:27,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-20 15:46:27,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-05-20 15:46:27,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:27,478 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:46:27,478 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) [2023-05-20 15:46:27,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:27,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:28,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:28,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 15:46:28,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-05-20 15:46:28,521 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 15:46:28,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:46:28,521 INFO L85 PathProgramCache]: Analyzing trace with hash -364799766, now seen corresponding path program 1 times [2023-05-20 15:46:28,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:46:28,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079667830] [2023-05-20 15:46:28,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:46:28,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:46:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:46:34,447 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:46:34,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:46:34,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079667830] [2023-05-20 15:46:34,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079667830] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:46:34,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221269658] [2023-05-20 15:46:34,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:46:34,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:46:34,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:46:34,450 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) [2023-05-20 15:46:34,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-20 15:46:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:46:34,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 70 conjunts are in the unsatisfiable core [2023-05-20 15:46:34,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:46:36,039 INFO L356 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2023-05-20 15:46:36,040 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 [2023-05-20 15:46:36,058 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 [2023-05-20 15:46:36,076 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 [2023-05-20 15:46:36,095 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 [2023-05-20 15:46:36,179 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 15:46:36,210 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 15:46:36,252 INFO L356 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2023-05-20 15:46:36,252 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 [2023-05-20 15:46:36,302 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 [2023-05-20 15:46:36,335 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 [2023-05-20 15:46:36,480 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 15:46:36,502 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 15:46:36,509 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 [2023-05-20 15:46:36,535 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 [2023-05-20 15:46:36,762 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 [2023-05-20 15:46:36,770 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 [2023-05-20 15:46:37,158 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 [2023-05-20 15:46:37,291 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-20 15:46:37,291 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 15:46:37,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221269658] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 15:46:37,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 15:46:37,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [29] total 36 [2023-05-20 15:46:37,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304209490] [2023-05-20 15:46:37,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 15:46:37,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-20 15:46:37,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:46:37,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-20 15:46:37,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=1115, Unknown=0, NotChecked=0, Total=1260 [2023-05-20 15:46:37,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:37,293 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:46:37,294 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) [2023-05-20 15:46:37,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:37,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 15:46:37,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:38,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:38,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 15:46:38,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 15:46:38,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-20 15:46:38,313 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 [2023-05-20 15:46:38,314 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 15:46:38,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:46:38,315 INFO L85 PathProgramCache]: Analyzing trace with hash 694831785, now seen corresponding path program 1 times [2023-05-20 15:46:38,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:46:38,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719352559] [2023-05-20 15:46:38,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:46:38,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:46:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:46:42,279 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 21 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 15:46:42,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:46:42,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719352559] [2023-05-20 15:46:42,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719352559] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:46:42,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068758895] [2023-05-20 15:46:42,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:46:42,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:46:42,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:46:42,281 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) [2023-05-20 15:46:42,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-20 15:46:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:46:42,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 70 conjunts are in the unsatisfiable core [2023-05-20 15:46:42,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:46:44,032 INFO L356 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2023-05-20 15:46:44,033 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 [2023-05-20 15:46:44,052 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 [2023-05-20 15:46:44,071 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 [2023-05-20 15:46:44,089 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 [2023-05-20 15:46:44,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:46:44,941 INFO L356 Elim1Store]: treesize reduction 72, result has 25.8 percent of original size [2023-05-20 15:46:44,942 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 [2023-05-20 15:46:44,969 WARN L234 Elim1Store]: Array PQE input equivalent to false [2023-05-20 15:46:45,062 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 [2023-05-20 15:46:45,101 INFO L356 Elim1Store]: treesize reduction 43, result has 2.3 percent of original size [2023-05-20 15:46:45,101 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 [2023-05-20 15:46:45,232 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 [2023-05-20 15:46:45,241 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 [2023-05-20 15:46:45,636 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 [2023-05-20 15:46:46,789 INFO L356 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2023-05-20 15:46:46,790 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 [2023-05-20 15:46:46,819 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 [2023-05-20 15:46:46,844 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 [2023-05-20 15:46:46,865 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 [2023-05-20 15:46:46,981 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 15:46:47,015 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 15:46:47,056 INFO L356 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2023-05-20 15:46:47,057 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 [2023-05-20 15:46:47,092 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 [2023-05-20 15:46:47,141 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 15:46:47,170 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 15:46:47,171 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 [2023-05-20 15:46:47,192 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 [2023-05-20 15:46:47,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:46:47,432 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 [2023-05-20 15:46:47,444 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 [2023-05-20 15:46:47,752 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 [2023-05-20 15:46:47,855 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-20 15:46:47,855 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 15:46:48,165 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 [2023-05-20 15:46:48,499 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-20 15:46:48,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068758895] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-20 15:46:48,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-20 15:46:48,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [25, 13] total 40 [2023-05-20 15:46:48,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409139635] [2023-05-20 15:46:48,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 15:46:48,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 15:46:48,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:46:48,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 15:46:48,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=1416, Unknown=3, NotChecked=0, Total=1560 [2023-05-20 15:46:48,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:48,501 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:46:48,502 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) [2023-05-20 15:46:48,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:48,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 15:46:48,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 15:46:48,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:49,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:46:49,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 15:46:49,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 15:46:49,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 15:46:49,211 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-05-20 15:46:49,405 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 [2023-05-20 15:46:49,406 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 15:46:49,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:46:49,406 INFO L85 PathProgramCache]: Analyzing trace with hash 306815534, now seen corresponding path program 1 times [2023-05-20 15:46:49,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:46:49,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055196684] [2023-05-20 15:46:49,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:46:49,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:46:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:46:57,037 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:46:57,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:46:57,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055196684] [2023-05-20 15:46:57,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055196684] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:46:57,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417853339] [2023-05-20 15:46:57,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:46:57,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:46:57,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:46:57,039 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) [2023-05-20 15:46:57,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-20 15:46:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:46:57,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 108 conjunts are in the unsatisfiable core [2023-05-20 15:46:57,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:46:58,680 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-05-20 15:46:58,680 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 [2023-05-20 15:46:59,127 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 [2023-05-20 15:46:59,902 INFO L356 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-05-20 15:46:59,902 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 [2023-05-20 15:47:01,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:47:01,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:47:01,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:47:01,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:47:01,384 INFO L356 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2023-05-20 15:47:01,384 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 [2023-05-20 15:47:01,407 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 [2023-05-20 15:47:01,453 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 [2023-05-20 15:47:01,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:47:01,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:47:01,671 INFO L356 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-05-20 15:47:01,671 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 [2023-05-20 15:47:01,681 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 [2023-05-20 15:47:01,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:47:01,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:47:01,795 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 [2023-05-20 15:47:02,310 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-20 15:47:02,311 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 [2023-05-20 15:47:02,315 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-20 15:47:02,315 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 15:47:02,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417853339] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 15:47:02,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 15:47:02,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [25] total 39 [2023-05-20 15:47:02,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915206925] [2023-05-20 15:47:02,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 15:47:02,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-05-20 15:47:02,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:47:02,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-05-20 15:47:02,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=1307, Unknown=0, NotChecked=0, Total=1482 [2023-05-20 15:47:02,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:47:02,317 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:47:02,317 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) [2023-05-20 15:47:02,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:47:02,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 15:47:02,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 15:47:02,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 15:47:02,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:47:03,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:47:03,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 15:47:03,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 15:47:03,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 15:47:03,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 15:47:03,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-20 15:47:03,977 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 [2023-05-20 15:47:03,977 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 15:47:03,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:47:03,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1026223779, now seen corresponding path program 1 times [2023-05-20 15:47:03,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:47:03,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987167483] [2023-05-20 15:47:03,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:47:03,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:47:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:47:07,699 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:47:07,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:47:07,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987167483] [2023-05-20 15:47:07,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987167483] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:47:07,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768936752] [2023-05-20 15:47:07,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:47:07,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:47:07,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:47:07,701 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) [2023-05-20 15:47:07,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-20 15:47:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:47:07,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 90 conjunts are in the unsatisfiable core [2023-05-20 15:47:07,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:47:08,740 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-05-20 15:47:08,740 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 [2023-05-20 15:47:09,609 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-20 15:47:09,609 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 [2023-05-20 15:47:10,522 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 [2023-05-20 15:47:10,577 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-05-20 15:47:10,577 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 [2023-05-20 15:47:11,489 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 [2023-05-20 15:47:12,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:47:12,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:47:13,364 INFO L356 Elim1Store]: treesize reduction 135, result has 34.8 percent of original size [2023-05-20 15:47:13,365 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 [2023-05-20 15:47:13,389 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 [2023-05-20 15:47:13,409 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 [2023-05-20 15:47:13,512 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 [2023-05-20 15:47:13,551 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 [2023-05-20 15:47:13,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:47:13,920 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 15:47:13,928 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 15:47:13,937 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 15:47:13,938 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 [2023-05-20 15:47:13,951 WARN L234 Elim1Store]: Array PQE input equivalent to false [2023-05-20 15:47:13,961 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-05-20 15:47:13,995 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 15:47:13,996 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 [2023-05-20 15:47:14,089 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 [2023-05-20 15:47:14,093 WARN L234 Elim1Store]: Array PQE input equivalent to false [2023-05-20 15:47:14,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:47:14,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:47:14,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:47:14,267 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 15:47:14,283 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 [2023-05-20 15:47:14,304 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 [2023-05-20 15:47:17,644 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:47:17,644 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 15:47:19,223 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 [2023-05-20 15:47:19,292 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 [2023-05-20 15:47:19,539 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 [2023-05-20 15:47:20,143 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 [2023-05-20 15:47:20,491 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 [2023-05-20 15:47:20,520 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 15:47:20,520 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 [2023-05-20 15:47:20,572 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 15:47:20,573 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 [2023-05-20 15:47:44,066 WARN L233 SmtUtils]: Spent 23.49s 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) [2023-05-20 15:47:44,107 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 [2023-05-20 15:48:08,047 WARN L233 SmtUtils]: Spent 23.94s 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) [2023-05-20 15:48:08,106 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 [2023-05-20 15:48:33,322 WARN L233 SmtUtils]: Spent 25.21s 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) [2023-05-20 15:48:33,363 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 [2023-05-20 15:48:58,858 WARN L233 SmtUtils]: Spent 25.49s 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) [2023-05-20 15:48:58,895 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 [2023-05-20 15:49:26,727 WARN L233 SmtUtils]: Spent 27.83s 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) [2023-05-20 15:49:26,787 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 [2023-05-20 15:49:54,804 WARN L233 SmtUtils]: Spent 28.02s 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) [2023-05-20 15:49:54,878 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 [2023-05-20 15:50:22,848 WARN L233 SmtUtils]: Spent 27.97s 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) [2023-05-20 15:50:22,922 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 [2023-05-20 15:50:51,049 WARN L233 SmtUtils]: Spent 28.13s 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) [2023-05-20 15:56:08,625 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 [2023-05-20 15:56:10,597 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 15:56:10,597 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 [2023-05-20 15:56:11,750 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 7 not checked. [2023-05-20 15:56:11,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768936752] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 15:56:11,751 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 15:56:11,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 18, 18] total 59 [2023-05-20 15:56:11,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430231795] [2023-05-20 15:56:11,751 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 15:56:11,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2023-05-20 15:56:11,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:56:11,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2023-05-20 15:56:11,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=290, Invalid=2572, Unknown=20, NotChecked=540, Total=3422 [2023-05-20 15:56:11,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:56:11,753 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:56:11,753 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) [2023-05-20 15:56:11,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:56:11,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 15:56:11,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 15:56:11,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 15:56:11,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 15:56:11,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:56:22,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:56:22,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 15:56:22,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 15:56:22,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 15:56:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 15:56:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 15:56:22,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-20 15:56:22,405 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 [2023-05-20 15:56:22,406 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err1ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 15:56:22,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:56:22,406 INFO L85 PathProgramCache]: Analyzing trace with hash -956284839, now seen corresponding path program 1 times [2023-05-20 15:56:22,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:56:22,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091361701] [2023-05-20 15:56:22,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:56:22,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:56:22,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:56:26,460 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:56:26,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:56:26,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091361701] [2023-05-20 15:56:26,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091361701] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:56:26,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578587852] [2023-05-20 15:56:26,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:56:26,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:56:26,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:56:26,461 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) [2023-05-20 15:56:26,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-20 15:56:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:56:26,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 125 conjunts are in the unsatisfiable core [2023-05-20 15:56:26,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:56:27,535 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-20 15:56:27,535 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 [2023-05-20 15:56:29,252 INFO L356 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2023-05-20 15:56:29,253 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 [2023-05-20 15:56:29,460 INFO L356 Elim1Store]: treesize reduction 100, result has 29.1 percent of original size [2023-05-20 15:56:29,461 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 [2023-05-20 15:56:29,479 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 [2023-05-20 15:56:29,497 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 [2023-05-20 15:56:29,572 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 [2023-05-20 15:56:29,610 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 [2023-05-20 15:56:29,752 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 [2023-05-20 15:56:29,804 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 15:56:29,818 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 15:56:29,819 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 [2023-05-20 15:56:29,962 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 [2023-05-20 15:56:31,318 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 [2023-05-20 15:56:33,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:56:33,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:56:33,390 INFO L356 Elim1Store]: treesize reduction 135, result has 34.8 percent of original size [2023-05-20 15:56:33,391 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 [2023-05-20 15:56:33,414 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 [2023-05-20 15:56:33,438 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 [2023-05-20 15:56:33,517 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 [2023-05-20 15:56:33,559 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 [2023-05-20 15:56:33,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:56:33,862 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 15:56:33,862 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 [2023-05-20 15:56:33,867 WARN L234 Elim1Store]: Array PQE input equivalent to false [2023-05-20 15:56:33,876 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 [2023-05-20 15:56:34,013 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 15:56:34,023 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 15:56:34,033 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 15:56:34,034 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 [2023-05-20 15:56:34,053 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 [2023-05-20 15:56:34,065 WARN L234 Elim1Store]: Array PQE input equivalent to false [2023-05-20 15:56:39,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:56:40,499 INFO L356 Elim1Store]: treesize reduction 82, result has 60.6 percent of original size [2023-05-20 15:56:40,499 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 [2023-05-20 15:56:40,678 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 [2023-05-20 15:56:43,037 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 [2023-05-20 15:56:44,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:56:44,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:56:45,246 INFO L356 Elim1Store]: treesize reduction 135, result has 34.8 percent of original size [2023-05-20 15:56:45,246 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 [2023-05-20 15:56:45,270 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 [2023-05-20 15:56:45,294 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 [2023-05-20 15:56:45,387 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 [2023-05-20 15:56:45,420 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 [2023-05-20 15:56:45,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 15:56:45,546 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 15:56:45,643 INFO L356 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2023-05-20 15:56:45,643 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 [2023-05-20 15:56:45,736 WARN L234 Elim1Store]: Array PQE input equivalent to false [2023-05-20 15:56:45,820 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 15:56:45,821 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 [2023-05-20 15:56:45,841 WARN L234 Elim1Store]: Array PQE input equivalent to false [2023-05-20 15:56:47,399 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:56:47,400 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 15:56:47,681 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_thr1Thread3of3ForFork0_dec_~dec__v~0#1| 4294967296)))) (and (or (forall ((v_ArrVal_1447 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| Int)) (not (= (mod (select (select (store |c_#memory_int| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| v_ArrVal_1447) |c_~#inc_flag~0.base|) |c_~#inc_flag~0.offset|) 4294967296) 0))) .cse0) (or (not .cse0) (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|) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.offset| 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 [2023-05-20 15:56:47,887 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_thr1Thread3of3ForFork0_dec_#t~mem13#1| 4294967296)))) (and (or (not .cse0) (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|) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.offset| 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|)))) (or .cse0 (forall ((v_ArrVal_1447 (Array Int Int)) (|v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| Int)) (not (= (mod (select (select (store |c_#memory_int| |v_thr1Thread3of3ForFork0___VERIFIER_atomic_CAS_~r#1.base_11| v_ArrVal_1447) |c_~#inc_flag~0.base|) |c_~#inc_flag~0.offset|) 4294967296) 0)))))) is different from false [2023-05-20 15:56:47,925 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|) |c_thr1Thread3of3ForFork0_dec_~#dec__casret~0#1.offset| 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 [2023-05-20 15:56:47,992 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 [2023-05-20 15:56:48,220 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 [2023-05-20 15:56:48,566 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 [2023-05-20 15:56:48,603 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 [2023-05-20 15:56:48,905 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 [2023-05-20 15:56:49,273 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 [2023-05-20 15:56:49,329 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 [2023-05-20 15:56:49,458 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 [2023-05-20 15:56:49,892 WARN L833 $PredicateComparison]: unable to prove that (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_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 (let ((.cse1 (store |c_#memory_int| |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)))) is different from false [2023-05-20 15:56:50,720 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 [2023-05-20 15:56:51,161 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 [2023-05-20 15:56:51,348 INFO L356 Elim1Store]: treesize reduction 13, result has 69.0 percent of original size [2023-05-20 15:56:51,348 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... [2023-05-20 15:58:14,330 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 [2023-05-20 15:58:14,342 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 [2023-05-20 15:58:14,344 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 [2023-05-20 15:58:14,345 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 [2023-05-20 15:58:14,345 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 [2023-05-20 15:58:14,345 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 [2023-05-20 15:58:15,509 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 [2023-05-20 15:58:15,533 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 [2023-05-20 15:58:15,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-20 15:58:15,556 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 [2023-05-20 15:58:15,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-20 15:58:15,597 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 [2023-05-20 15:58:15,727 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