/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 '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/fib_safe-7.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 04:24:09,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 04:24:09,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 04:24:09,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-04 04:24:09,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 04:24:09,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 04:24:09,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 04:24:09,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 04:24:09,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 04:24:09,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 04:24:09,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 04:24:09,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 04:24:09,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 04:24:09,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 04:24:09,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 04:24:09,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 04:24:09,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-05-04 04:24:09,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 04:24:09,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 04:24:09,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 04:24:09,397 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 04:24:09,429 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 04:24:09,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 04:24:09,430 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 04:24:09,430 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 04:24:09,431 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 04:24:09,431 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 04:24:09,432 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 04:24:09,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 04:24:09,432 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 04:24:09,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 04:24:09,433 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 04:24:09,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 04:24:09,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 04:24:09,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 04:24:09,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 04:24:09,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 04:24:09,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 04:24:09,434 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 04:24:09,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 04:24:09,434 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 04:24:09,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 04:24:09,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 04:24:09,434 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 04:24:09,435 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 04:24:09,435 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 04:24:09,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 04:24:09,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 04:24:09,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 04:24:09,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 04:24:09,435 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 04:24:09,435 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 04:24:09,436 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 04:24:09,436 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 04:24:09,436 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 04:24:09,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 04:24:09,436 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 04:24:09,436 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-04 04:24:09,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 04:24:09,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 04:24:09,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 04:24:09,710 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 04:24:09,711 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 04:24:09,712 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_safe-7.i [2023-05-04 04:24:09,767 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49db4971c/93af15121bf246288fbd9e0c6edd74a4/FLAG255fb0939 [2023-05-04 04:24:10,285 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 04:24:10,285 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-7.i [2023-05-04 04:24:10,298 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49db4971c/93af15121bf246288fbd9e0c6edd74a4/FLAG255fb0939 [2023-05-04 04:24:10,782 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49db4971c/93af15121bf246288fbd9e0c6edd74a4 [2023-05-04 04:24:10,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 04:24:10,786 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 04:24:10,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 04:24:10,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 04:24:10,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 04:24:10,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 04:24:10" (1/1) ... [2023-05-04 04:24:10,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b648d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:24:10, skipping insertion in model container [2023-05-04 04:24:10,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 04:24:10" (1/1) ... [2023-05-04 04:24:10,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 04:24:10,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 04:24:11,190 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/fib_safe-7.i[30241,30254] [2023-05-04 04:24:11,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 04:24:11,223 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 04:24:11,255 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/fib_safe-7.i[30241,30254] [2023-05-04 04:24:11,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 04:24:11,296 INFO L208 MainTranslator]: Completed translation [2023-05-04 04:24:11,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:24:11 WrapperNode [2023-05-04 04:24:11,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 04:24:11,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 04:24:11,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 04:24:11,298 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 04:24:11,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:24:11" (1/1) ... [2023-05-04 04:24:11,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:24:11" (1/1) ... [2023-05-04 04:24:11,359 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2023-05-04 04:24:11,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 04:24:11,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 04:24:11,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 04:24:11,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 04:24:11,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:24:11" (1/1) ... [2023-05-04 04:24:11,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:24:11" (1/1) ... [2023-05-04 04:24:11,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:24:11" (1/1) ... [2023-05-04 04:24:11,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:24:11" (1/1) ... [2023-05-04 04:24:11,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:24:11" (1/1) ... [2023-05-04 04:24:11,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:24:11" (1/1) ... [2023-05-04 04:24:11,392 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:24:11" (1/1) ... [2023-05-04 04:24:11,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:24:11" (1/1) ... [2023-05-04 04:24:11,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 04:24:11,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 04:24:11,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 04:24:11,408 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 04:24:11,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:24:11" (1/1) ... [2023-05-04 04:24:11,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 04:24:11,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:24:11,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-04 04:24:11,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-04 04:24:11,486 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-05-04 04:24:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-05-04 04:24:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-05-04 04:24:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-05-04 04:24:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 04:24:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 04:24:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 04:24:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 04:24:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 04:24:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 04:24:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 04:24:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 04:24:11,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 04:24:11,489 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 04:24:11,653 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 04:24:11,655 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 04:24:11,878 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 04:24:11,885 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 04:24:11,885 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-04 04:24:11,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 04:24:11 BoogieIcfgContainer [2023-05-04 04:24:11,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 04:24:11,890 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 04:24:11,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 04:24:11,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 04:24:11,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 04:24:10" (1/3) ... [2023-05-04 04:24:11,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21eefad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 04:24:11, skipping insertion in model container [2023-05-04 04:24:11,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:24:11" (2/3) ... [2023-05-04 04:24:11,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21eefad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 04:24:11, skipping insertion in model container [2023-05-04 04:24:11,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 04:24:11" (3/3) ... [2023-05-04 04:24:11,899 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_safe-7.i [2023-05-04 04:24:11,907 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 04:24:11,915 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 04:24:11,916 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 04:24:11,916 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 04:24:11,988 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-04 04:24:12,041 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 04:24:12,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 04:24:12,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:24:12,044 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 04:24:12,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-04 04:24:12,088 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 04:24:12,109 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 04:24:12,116 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;@6aad9a85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 04:24:12,116 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 04:24:12,266 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 04:24:12,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:24:12,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1380485653, now seen corresponding path program 1 times [2023-05-04 04:24:12,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:24:12,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032309955] [2023-05-04 04:24:12,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:24:12,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:24:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:24:12,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 04:24:12,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:24:12,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032309955] [2023-05-04 04:24:12,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032309955] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 04:24:12,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 04:24:12,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 04:24:12,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615682965] [2023-05-04 04:24:12,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 04:24:12,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 04:24:12,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:24:12,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 04:24:12,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 04:24:12,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:12,605 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:24:12,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 04:24:12,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:12,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:12,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 04:24:12,670 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 04:24:12,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:24:12,672 INFO L85 PathProgramCache]: Analyzing trace with hash -159747301, now seen corresponding path program 1 times [2023-05-04 04:24:12,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:24:12,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598099444] [2023-05-04 04:24:12,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:24:12,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:24:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:24:12,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 04:24:12,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:24:12,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598099444] [2023-05-04 04:24:12,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598099444] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 04:24:12,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 04:24:12,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 04:24:12,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122021290] [2023-05-04 04:24:12,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 04:24:12,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 04:24:12,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:24:12,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 04:24:12,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 04:24:12,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:12,848 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:24:12,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 04:24:12,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:12,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:12,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:12,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:12,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 04:24:12,949 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 04:24:12,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:24:12,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1258539186, now seen corresponding path program 1 times [2023-05-04 04:24:12,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:24:12,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465652739] [2023-05-04 04:24:12,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:24:12,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:24:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:24:13,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 04:24:13,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:24:13,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465652739] [2023-05-04 04:24:13,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465652739] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 04:24:13,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 04:24:13,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 04:24:13,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655731029] [2023-05-04 04:24:13,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 04:24:13,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 04:24:13,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:24:13,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 04:24:13,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 04:24:13,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:13,093 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:24:13,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 04:24:13,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:13,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:13,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:13,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:13,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:13,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:13,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 04:24:13,124 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 04:24:13,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:24:13,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1902987218, now seen corresponding path program 1 times [2023-05-04 04:24:13,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:24:13,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293944932] [2023-05-04 04:24:13,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:24:13,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:24:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:24:13,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 04:24:13,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:24:13,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293944932] [2023-05-04 04:24:13,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293944932] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 04:24:13,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910441151] [2023-05-04 04:24:13,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:24:13,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:24:13,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:24:13,305 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 04:24:13,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 04:24:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:24:13,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjunts are in the unsatisfiable core [2023-05-04 04:24:13,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 04:24:13,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 04:24:13,523 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 04:24:13,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910441151] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 04:24:13,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 04:24:13,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-05-04 04:24:13,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567731551] [2023-05-04 04:24:13,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 04:24:13,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 04:24:13,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:24:13,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 04:24:13,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 04:24:13,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:13,526 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:24:13,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 04:24:13,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:13,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:13,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:13,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:13,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:13,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:13,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:13,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:13,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 04:24:13,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-05-04 04:24:13,769 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 04:24:13,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:24:13,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1649588211, now seen corresponding path program 1 times [2023-05-04 04:24:13,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:24:13,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744581143] [2023-05-04 04:24:13,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:24:13,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:24:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:24:13,902 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 04:24:13,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:24:13,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744581143] [2023-05-04 04:24:13,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744581143] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 04:24:13,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115234321] [2023-05-04 04:24:13,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:24:13,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:24:13,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:24:13,907 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 04:24:13,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 04:24:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:24:14,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-04 04:24:14,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 04:24:14,111 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 04:24:14,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 04:24:14,165 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 04:24:14,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115234321] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 04:24:14,166 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 04:24:14,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-05-04 04:24:14,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079464540] [2023-05-04 04:24:14,167 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 04:24:14,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-04 04:24:14,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:24:14,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-04 04:24:14,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-05-04 04:24:14,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:14,170 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:24:14,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 04:24:14,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:14,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:14,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:14,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:14,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:14,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:14,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:14,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:14,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:14,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:24:14,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 04:24:14,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:24:14,525 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 04:24:14,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:24:14,526 INFO L85 PathProgramCache]: Analyzing trace with hash -2057742416, now seen corresponding path program 2 times [2023-05-04 04:24:14,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:24:14,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036100340] [2023-05-04 04:24:14,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:24:14,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:24:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:24:14,671 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-04 04:24:14,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:24:14,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036100340] [2023-05-04 04:24:14,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036100340] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 04:24:14,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228158008] [2023-05-04 04:24:14,676 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 04:24:14,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:24:14,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:24:14,682 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 04:24:14,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 04:24:14,786 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 04:24:14,786 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 04:24:14,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-04 04:24:14,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 04:24:14,847 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-04 04:24:14,850 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 04:24:14,894 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-04 04:24:14,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228158008] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 04:24:14,895 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 04:24:14,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-05-04 04:24:14,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515795478] [2023-05-04 04:24:14,900 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 04:24:14,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-04 04:24:14,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:24:14,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-04 04:24:14,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-05-04 04:24:14,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:14,903 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:24:14,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.5) internal successors, (115), 10 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 04:24:14,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:14,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:14,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:14,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:14,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:24:14,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:14,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:14,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:14,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:14,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:14,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:24:14,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:24:15,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 04:24:15,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:24:15,212 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 04:24:15,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:24:15,212 INFO L85 PathProgramCache]: Analyzing trace with hash 113032752, now seen corresponding path program 3 times [2023-05-04 04:24:15,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:24:15,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171126336] [2023-05-04 04:24:15,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:24:15,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:24:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:24:15,421 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 7 proven. 33 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 04:24:15,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:24:15,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171126336] [2023-05-04 04:24:15,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171126336] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 04:24:15,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600527991] [2023-05-04 04:24:15,422 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 04:24:15,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:24:15,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:24:15,424 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 04:24:15,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 04:24:15,525 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-05-04 04:24:15,525 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 04:24:15,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-04 04:24:15,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 04:24:15,603 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 24 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-04 04:24:15,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 04:24:15,710 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 24 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-04 04:24:15,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600527991] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 04:24:15,711 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 04:24:15,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 19 [2023-05-04 04:24:15,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921553068] [2023-05-04 04:24:15,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 04:24:15,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-04 04:24:15,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:24:15,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-04 04:24:15,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2023-05-04 04:24:15,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:15,714 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:24:15,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 10.31578947368421) internal successors, (196), 19 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 04:24:15,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:15,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:15,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:15,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:15,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:24:15,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:24:15,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:16,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:16,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:16,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:16,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:16,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:24:16,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:24:16,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 04:24:16,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 04:24:16,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:24:16,305 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 04:24:16,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:24:16,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1612381054, now seen corresponding path program 4 times [2023-05-04 04:24:16,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:24:16,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882323392] [2023-05-04 04:24:16,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:24:16,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:24:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:24:16,477 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 41 proven. 21 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-05-04 04:24:16,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:24:16,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882323392] [2023-05-04 04:24:16,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882323392] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 04:24:16,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802335998] [2023-05-04 04:24:16,478 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 04:24:16,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:24:16,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:24:16,480 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 04:24:16,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 04:24:16,577 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 04:24:16,577 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 04:24:16,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-04 04:24:16,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 04:24:16,646 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 41 proven. 21 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-05-04 04:24:16,646 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 04:24:16,735 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 41 proven. 21 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-05-04 04:24:16,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802335998] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 04:24:16,735 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 04:24:16,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 17 [2023-05-04 04:24:16,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056670406] [2023-05-04 04:24:16,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 04:24:16,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-05-04 04:24:16,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:24:16,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-05-04 04:24:16,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-05-04 04:24:16,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:16,737 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:24:16,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 9.0) internal successors, (153), 17 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 04:24:16,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:16,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:16,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:16,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:16,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:24:16,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:24:16,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 04:24:16,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:16,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:16,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:16,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:16,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:16,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:24:16,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:24:16,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 04:24:16,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:24:16,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 04:24:17,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:24:17,137 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 04:24:17,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:24:17,138 INFO L85 PathProgramCache]: Analyzing trace with hash 2116106110, now seen corresponding path program 5 times [2023-05-04 04:24:17,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:24:17,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577401712] [2023-05-04 04:24:17,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:24:17,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:24:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:24:17,360 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 74 proven. 107 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-05-04 04:24:17,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:24:17,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577401712] [2023-05-04 04:24:17,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577401712] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 04:24:17,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427461382] [2023-05-04 04:24:17,361 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 04:24:17,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:24:17,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:24:17,365 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 04:24:17,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 04:24:17,463 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-05-04 04:24:17,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 04:24:17,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-04 04:24:17,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 04:24:17,573 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 74 proven. 107 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-05-04 04:24:17,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 04:24:17,715 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 74 proven. 107 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-05-04 04:24:17,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427461382] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 04:24:17,716 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 04:24:17,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 17 [2023-05-04 04:24:17,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974880699] [2023-05-04 04:24:17,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 04:24:17,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-05-04 04:24:17,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:24:17,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-05-04 04:24:17,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-05-04 04:24:17,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:17,718 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:24:17,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 11.294117647058824) internal successors, (192), 17 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 04:24:17,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:17,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:17,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:17,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:17,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:24:17,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:24:17,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 04:24:17,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:24:17,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:17,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:17,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:17,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:17,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:17,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:24:17,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:24:17,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 04:24:17,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:24:17,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:24:17,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-04 04:24:18,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:24:18,109 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 04:24:18,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:24:18,110 INFO L85 PathProgramCache]: Analyzing trace with hash 407816199, now seen corresponding path program 6 times [2023-05-04 04:24:18,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:24:18,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655401962] [2023-05-04 04:24:18,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:24:18,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:24:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:24:18,386 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 92 proven. 183 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 04:24:18,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:24:18,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655401962] [2023-05-04 04:24:18,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655401962] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 04:24:18,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259636073] [2023-05-04 04:24:18,387 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 04:24:18,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:24:18,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:24:18,389 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 04:24:18,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-04 04:24:18,501 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2023-05-04 04:24:18,501 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 04:24:18,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-04 04:24:18,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 04:24:18,632 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 92 proven. 183 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 04:24:18,632 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 04:24:18,871 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 92 proven. 183 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 04:24:18,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259636073] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 04:24:18,872 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 04:24:18,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 26 [2023-05-04 04:24:18,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801263818] [2023-05-04 04:24:18,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 04:24:18,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-05-04 04:24:18,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:24:18,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-05-04 04:24:18,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=468, Unknown=0, NotChecked=0, Total=650 [2023-05-04 04:24:18,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:18,876 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:24:18,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 9.653846153846153) internal successors, (251), 26 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 04:24:18,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:18,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:18,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:18,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:18,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:24:18,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:24:18,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 04:24:18,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:24:18,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:24:18,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:19,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:19,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:19,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:19,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:19,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:24:19,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:24:19,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 04:24:19,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:24:19,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:24:19,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-04 04:24:19,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-04 04:24:19,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-04 04:24:19,400 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 04:24:19,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:24:19,401 INFO L85 PathProgramCache]: Analyzing trace with hash 566076967, now seen corresponding path program 7 times [2023-05-04 04:24:19,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:24:19,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303594835] [2023-05-04 04:24:19,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:24:19,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:24:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:24:20,027 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 92 proven. 504 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 04:24:20,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:24:20,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303594835] [2023-05-04 04:24:20,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303594835] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 04:24:20,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938874067] [2023-05-04 04:24:20,028 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-04 04:24:20,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:24:20,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:24:20,030 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 04:24:20,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-04 04:24:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:24:20,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 24 conjunts are in the unsatisfiable core [2023-05-04 04:24:20,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 04:24:20,363 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 92 proven. 504 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 04:24:20,363 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 04:24:20,784 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 92 proven. 504 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 04:24:20,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938874067] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 04:24:20,784 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 04:24:20,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 35 [2023-05-04 04:24:20,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040475610] [2023-05-04 04:24:20,785 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 04:24:20,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-05-04 04:24:20,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:24:20,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-05-04 04:24:20,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=867, Unknown=0, NotChecked=0, Total=1190 [2023-05-04 04:24:20,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:20,787 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:24:20,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 8.17142857142857) internal successors, (286), 35 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 04:24:20,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:20,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:20,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:20,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:20,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:24:20,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:24:20,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 04:24:20,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:24:20,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:24:20,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-04 04:24:20,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:21,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:24:21,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:24:21,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 04:24:21,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:24:21,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:24:21,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-04 04:24:21,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 04:24:21,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-04 04:24:21,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:24:21,589 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 04:24:21,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:24:21,590 INFO L85 PathProgramCache]: Analyzing trace with hash -535031500, now seen corresponding path program 8 times [2023-05-04 04:24:21,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:24:21,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901811351] [2023-05-04 04:24:21,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:24:21,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:24:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:24:25,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 1080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 04:24:25,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:24:26,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901811351] [2023-05-04 04:24:26,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901811351] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 04:24:26,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966101051] [2023-05-04 04:24:26,000 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 04:24:26,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:24:26,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:24:26,006 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 04:24:26,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-04 04:24:26,136 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 04:24:26,136 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 04:24:26,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 71 conjunts are in the unsatisfiable core [2023-05-04 04:24:26,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 04:24:33,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 396 proven. 684 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 04:24:33,150 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 04:24:41,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 1080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 04:24:41,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966101051] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 04:24:41,394 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 04:24:41,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 71, 71] total 205 [2023-05-04 04:24:41,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322336895] [2023-05-04 04:24:41,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 04:24:41,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 205 states [2023-05-04 04:24:41,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:24:41,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2023-05-04 04:24:41,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1909, Invalid=39911, Unknown=0, NotChecked=0, Total=41820 [2023-05-04 04:24:41,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:41,412 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:24:41,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 205 states, 205 states have (on average 3.521951219512195) internal successors, (722), 205 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 04:24:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:24:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:24:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:24:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:24:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 04:24:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:24:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:24:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-04 04:24:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 04:24:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:25:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:25:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:25:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:25:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:25:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:25:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:25:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 04:25:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:25:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:25:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-04 04:25:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 04:25:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2023-05-04 04:25:00,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-04 04:25:00,820 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,SelfDestructingSolverStorable11 [2023-05-04 04:25:00,820 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 04:25:00,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:25:00,821 INFO L85 PathProgramCache]: Analyzing trace with hash -430426853, now seen corresponding path program 9 times [2023-05-04 04:25:00,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:25:00,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054251266] [2023-05-04 04:25:00,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:25:00,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:25:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:25:01,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1349 backedges. 594 proven. 67 refuted. 0 times theorem prover too weak. 688 trivial. 0 not checked. [2023-05-04 04:25:01,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:25:01,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054251266] [2023-05-04 04:25:01,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054251266] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 04:25:01,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350868691] [2023-05-04 04:25:01,229 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 04:25:01,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:25:01,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:25:01,231 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 04:25:01,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-04 04:25:01,414 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-05-04 04:25:01,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 04:25:01,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-04 04:25:01,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 04:25:01,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1349 backedges. 619 proven. 42 refuted. 0 times theorem prover too weak. 688 trivial. 0 not checked. [2023-05-04 04:25:01,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 04:25:01,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1349 backedges. 619 proven. 42 refuted. 0 times theorem prover too weak. 688 trivial. 0 not checked. [2023-05-04 04:25:01,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [350868691] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 04:25:01,754 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 04:25:01,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 19 [2023-05-04 04:25:01,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097347219] [2023-05-04 04:25:01,754 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 04:25:01,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-04 04:25:01,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:25:01,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-04 04:25:01,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2023-05-04 04:25:01,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:25:01,756 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:25:01,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.210526315789474) internal successors, (175), 19 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 04:25:01,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:25:01,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:25:01,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:25:01,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:25:01,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:25:01,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:25:01,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 04:25:01,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:25:01,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:25:01,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-04 04:25:01,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 04:25:01,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2023-05-04 04:25:01,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:25:58,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:25:58,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:25:58,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:25:58,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:25:58,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:25:58,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:25:58,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 04:25:58,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:25:58,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:25:58,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-04 04:25:58,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 04:25:58,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 228 states. [2023-05-04 04:25:58,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 04:25:58,161 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-05-04 04:25:58,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-05-04 04:25:58,356 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 04:25:58,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:25:58,357 INFO L85 PathProgramCache]: Analyzing trace with hash -560847568, now seen corresponding path program 10 times [2023-05-04 04:25:58,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:25:58,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071534289] [2023-05-04 04:25:58,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:25:58,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:25:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:25:58,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1116 backedges. 407 proven. 33 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2023-05-04 04:25:58,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:25:58,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071534289] [2023-05-04 04:25:58,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071534289] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 04:25:58,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014472340] [2023-05-04 04:25:58,748 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 04:25:58,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:25:58,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:25:58,749 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 04:25:58,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-04 04:25:58,856 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 04:25:58,856 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 04:25:58,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-04 04:25:58,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 04:25:58,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1116 backedges. 438 proven. 2 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2023-05-04 04:25:58,951 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 04:25:59,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1116 backedges. 438 proven. 2 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2023-05-04 04:25:59,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014472340] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 04:25:59,134 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 04:25:59,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 19 [2023-05-04 04:25:59,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542106861] [2023-05-04 04:25:59,135 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 04:25:59,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-04 04:25:59,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:25:59,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-04 04:25:59,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2023-05-04 04:25:59,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:25:59,136 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:25:59,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.631578947368421) internal successors, (164), 19 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 04:25:59,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:25:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:25:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:25:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:25:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:25:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:25:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 04:25:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:25:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:25:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-04 04:25:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 04:25:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 228 states. [2023-05-04 04:25:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 04:25:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:26:05,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:26:05,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:26:05,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:26:05,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:26:05,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:26:05,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:26:05,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 04:26:05,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:26:05,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:26:05,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-04 04:26:05,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 04:26:05,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 265 states. [2023-05-04 04:26:05,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 04:26:05,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 04:26:05,441 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-05-04 04:26:05,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-05-04 04:26:05,627 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 04:26:05,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:26:05,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1937579555, now seen corresponding path program 1 times [2023-05-04 04:26:05,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:26:05,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951239833] [2023-05-04 04:26:05,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:26:05,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:26:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:26:09,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1023 backedges. 5 proven. 1018 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 04:26:09,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:26:09,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951239833] [2023-05-04 04:26:09,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951239833] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 04:26:09,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357270309] [2023-05-04 04:26:09,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:26:09,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:26:09,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:26:09,058 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 04:26:09,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-04 04:26:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:26:09,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 68 conjunts are in the unsatisfiable core [2023-05-04 04:26:09,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 04:26:14,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1023 backedges. 527 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 04:26:14,773 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 04:26:21,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1023 backedges. 5 proven. 1018 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 04:26:21,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1357270309] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 04:26:21,750 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 04:26:21,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [68, 68, 68] total 197 [2023-05-04 04:26:21,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632506918] [2023-05-04 04:26:21,750 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 04:26:21,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 197 states [2023-05-04 04:26:21,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:26:21,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 197 interpolants. [2023-05-04 04:26:21,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2020, Invalid=36592, Unknown=0, NotChecked=0, Total=38612 [2023-05-04 04:26:21,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:26:21,760 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:26:21,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 197 states, 197 states have (on average 3.4619289340101522) internal successors, (682), 197 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 04:26:21,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:26:21,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:26:21,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:26:21,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:26:21,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:26:21,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:26:21,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 04:26:21,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:26:21,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:26:21,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-04 04:26:21,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 04:26:21,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 265 states. [2023-05-04 04:26:21,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 04:26:21,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 04:26:21,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:26:51,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:26:51,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:26:51,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:26:51,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:26:51,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:26:51,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:26:51,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 04:26:51,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:26:51,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:26:51,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-04 04:26:51,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 04:26:51,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 309 states. [2023-05-04 04:26:51,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 04:26:51,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 04:26:51,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2023-05-04 04:26:51,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-04 04:26:51,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-05-04 04:26:51,247 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 04:26:51,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:26:51,248 INFO L85 PathProgramCache]: Analyzing trace with hash -160056441, now seen corresponding path program 11 times [2023-05-04 04:26:51,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:26:51,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454130974] [2023-05-04 04:26:51,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:26:51,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:26:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:26:52,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1193 backedges. 998 proven. 173 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-05-04 04:26:52,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:26:52,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454130974] [2023-05-04 04:26:52,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454130974] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 04:26:52,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370351875] [2023-05-04 04:26:52,133 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 04:26:52,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:26:52,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:26:52,136 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 04:26:52,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-04 04:26:52,255 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2023-05-04 04:26:52,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 04:26:52,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 34 conjunts are in the unsatisfiable core [2023-05-04 04:26:52,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 04:26:52,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1193 backedges. 1135 proven. 36 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-05-04 04:26:52,462 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 04:26:52,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1193 backedges. 1135 proven. 36 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-05-04 04:26:52,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1370351875] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 04:26:52,932 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 04:26:52,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 37 [2023-05-04 04:26:52,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796733355] [2023-05-04 04:26:52,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 04:26:52,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-05-04 04:26:52,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:26:52,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-05-04 04:26:52,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=329, Invalid=1003, Unknown=0, NotChecked=0, Total=1332 [2023-05-04 04:26:52,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:26:52,934 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:26:52,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 6.891891891891892) internal successors, (255), 37 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 04:26:52,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:26:52,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:26:52,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:26:52,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:26:52,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:26:52,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:26:52,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 04:26:52,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:26:52,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:26:52,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-04 04:26:52,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 04:26:52,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 309 states. [2023-05-04 04:26:52,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 04:26:52,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 04:26:52,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2023-05-04 04:26:52,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:26:54,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:26:54,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:26:54,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:26:54,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:26:54,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:26:54,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:26:54,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 04:26:54,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:26:54,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:26:54,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-04 04:26:54,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 04:26:54,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 316 states. [2023-05-04 04:26:54,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 04:26:54,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 04:26:54,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2023-05-04 04:26:54,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 04:26:54,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-05-04 04:26:54,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:26:54,781 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 04:26:54,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:26:54,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1444225056, now seen corresponding path program 1 times [2023-05-04 04:26:54,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:26:54,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336818493] [2023-05-04 04:26:54,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:26:54,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:26:54,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:26:58,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 7 proven. 1073 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 04:26:58,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:26:58,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336818493] [2023-05-04 04:26:58,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336818493] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 04:26:58,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454381023] [2023-05-04 04:26:58,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:26:58,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:26:58,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:26:58,251 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 04:26:58,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-05-04 04:26:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:26:58,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 70 conjunts are in the unsatisfiable core [2023-05-04 04:26:58,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 04:27:04,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 458 proven. 622 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 04:27:04,129 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 04:27:11,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 7 proven. 1073 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 04:27:11,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454381023] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 04:27:11,535 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 04:27:11,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [70, 70, 70] total 202 [2023-05-04 04:27:11,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110955181] [2023-05-04 04:27:11,536 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 04:27:11,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 202 states [2023-05-04 04:27:11,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:27:11,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 202 interpolants. [2023-05-04 04:27:11,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1916, Invalid=38686, Unknown=0, NotChecked=0, Total=40602 [2023-05-04 04:27:11,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:27:11,541 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:27:11,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 202 states, 202 states have (on average 3.51980198019802) internal successors, (711), 202 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 04:27:11,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:27:11,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:27:11,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:27:11,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:27:11,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:27:11,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:27:11,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 04:27:11,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:27:11,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:27:11,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-04 04:27:11,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 04:27:11,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 316 states. [2023-05-04 04:27:11,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 04:27:11,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 04:27:11,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2023-05-04 04:27:11,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-04 04:27:11,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:28:31,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:28:31,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:28:31,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:28:31,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:28:31,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:28:31,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:28:31,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 04:28:31,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:28:31,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:28:31,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-04 04:28:31,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 04:28:31,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states. [2023-05-04 04:28:31,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 04:28:31,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 04:28:31,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2023-05-04 04:28:31,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 04:28:31,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 239 states. [2023-05-04 04:28:31,321 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-05-04 04:28:31,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-05-04 04:28:31,506 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 04:28:31,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:28:31,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1584021482, now seen corresponding path program 12 times [2023-05-04 04:28:31,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:28:31,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132730644] [2023-05-04 04:28:31,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:28:31,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:28:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:28:34,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 1080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 04:28:34,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:28:34,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132730644] [2023-05-04 04:28:34,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132730644] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 04:28:34,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194497255] [2023-05-04 04:28:34,912 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 04:28:34,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:28:34,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:28:34,913 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 04:28:34,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-05-04 04:28:35,033 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2023-05-04 04:28:35,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 04:28:35,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 74 conjunts are in the unsatisfiable core [2023-05-04 04:28:35,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 04:28:41,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 396 proven. 684 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 04:28:41,054 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 04:28:48,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 1080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 04:28:48,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194497255] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 04:28:48,659 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 04:28:48,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 71, 71] total 207 [2023-05-04 04:28:48,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316952653] [2023-05-04 04:28:48,660 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 04:28:48,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 207 states [2023-05-04 04:28:48,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:28:48,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 207 interpolants. [2023-05-04 04:28:48,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1861, Invalid=40781, Unknown=0, NotChecked=0, Total=42642 [2023-05-04 04:28:48,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:28:48,664 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:28:48,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 207 states, 207 states have (on average 3.502415458937198) internal successors, (725), 207 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 04:28:48,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:28:48,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:28:48,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:28:48,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:28:48,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:28:48,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:28:48,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 04:28:48,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:28:48,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:28:48,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-04 04:28:48,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 04:28:48,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states. [2023-05-04 04:28:48,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 04:28:48,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 04:28:48,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 216 states. [2023-05-04 04:28:48,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-04 04:28:48,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 239 states. [2023-05-04 04:28:48,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:33:21,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:33:21,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:33:21,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:33:21,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:33:21,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:33:21,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:33:21,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 04:33:21,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:33:21,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:33:21,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-04 04:33:21,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 04:33:21,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 447 states. [2023-05-04 04:33:21,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 04:33:21,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 04:33:21,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2023-05-04 04:33:21,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 04:33:21,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 383 states. [2023-05-04 04:33:21,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 451 states. [2023-05-04 04:33:21,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-05-04 04:33:21,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-04 04:33:21,720 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 04:33:21,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:33:21,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1710122888, now seen corresponding path program 13 times [2023-05-04 04:33:21,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:33:21,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604997695] [2023-05-04 04:33:21,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:33:21,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:33:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:33:25,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 1080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 04:33:25,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:33:25,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604997695] [2023-05-04 04:33:25,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604997695] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 04:33:25,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859789494] [2023-05-04 04:33:25,339 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-04 04:33:25,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:33:25,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:33:25,340 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 04:33:25,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-05-04 04:33:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:33:25,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 71 conjunts are in the unsatisfiable core [2023-05-04 04:33:25,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 04:33:31,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 396 proven. 684 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 04:33:31,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 04:33:39,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 1080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 04:33:39,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859789494] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 04:33:39,037 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 04:33:39,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 71, 71] total 205 [2023-05-04 04:33:39,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538400869] [2023-05-04 04:33:39,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 04:33:39,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 205 states [2023-05-04 04:33:39,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:33:39,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2023-05-04 04:33:39,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1910, Invalid=39910, Unknown=0, NotChecked=0, Total=41820 [2023-05-04 04:33:39,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:33:39,042 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:33:39,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 205 states, 205 states have (on average 3.521951219512195) internal successors, (722), 205 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 04:33:39,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:33:39,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:33:39,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:33:39,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:33:39,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:33:39,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:33:39,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 04:33:39,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:33:39,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:33:39,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-04 04:33:39,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 04:33:39,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 447 states. [2023-05-04 04:33:39,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 04:33:39,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 04:33:39,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2023-05-04 04:33:39,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-04 04:33:39,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 383 states. [2023-05-04 04:33:39,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 451 states. [2023-05-04 04:33:39,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:35:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:35:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:35:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:35:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:35:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:35:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:35:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 04:35:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:35:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:35:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-04 04:35:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 04:35:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 503 states. [2023-05-04 04:35:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 04:35:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 04:35:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 313 states. [2023-05-04 04:35:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 04:35:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 389 states. [2023-05-04 04:35:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 458 states. [2023-05-04 04:35:17,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 366 states. [2023-05-04 04:35:17,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-05-04 04:35:17,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:35:17,504 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 04:35:17,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:35:17,505 INFO L85 PathProgramCache]: Analyzing trace with hash -841894732, now seen corresponding path program 14 times [2023-05-04 04:35:17,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:35:17,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375372584] [2023-05-04 04:35:17,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:35:17,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:35:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:35:20,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 1080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 04:35:20,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:35:20,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375372584] [2023-05-04 04:35:20,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375372584] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 04:35:20,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620807930] [2023-05-04 04:35:20,711 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 04:35:20,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:35:20,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:35:20,713 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 04:35:20,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-05-04 04:35:20,811 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 04:35:20,811 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 04:35:20,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 71 conjunts are in the unsatisfiable core [2023-05-04 04:35:20,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 04:35:26,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 396 proven. 684 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 04:35:26,821 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 04:35:34,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 1080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 04:35:34,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620807930] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 04:35:34,286 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 04:35:34,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 71, 71] total 205 [2023-05-04 04:35:34,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469903961] [2023-05-04 04:35:34,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 04:35:34,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 205 states [2023-05-04 04:35:34,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:35:34,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2023-05-04 04:35:34,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1947, Invalid=39873, Unknown=0, NotChecked=0, Total=41820 [2023-05-04 04:35:34,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:35:34,291 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:35:34,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 205 states, 205 states have (on average 3.521951219512195) internal successors, (722), 205 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 04:35:34,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:35:34,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:35:34,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:35:34,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 04:35:34,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:35:34,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 04:35:34,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 04:35:34,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:35:34,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 04:35:34,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-04 04:35:34,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 04:35:34,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 503 states. [2023-05-04 04:35:34,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 04:35:34,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 04:35:34,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 313 states. [2023-05-04 04:35:34,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-04 04:35:34,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 389 states. [2023-05-04 04:35:34,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 458 states. [2023-05-04 04:35:34,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 366 states. [2023-05-04 04:35:34,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-05-04 04:36:13,175 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-05-04 04:36:13,193 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 04:36:13,198 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 04:36:13,198 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 04:36:13,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:36:13,360 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 437 known predicates. [2023-05-04 04:36:13,362 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 04:36:13,363 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 04:36:13,363 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 04:36:13,367 INFO L444 BasicCegarLoop]: Path program histogram: [14, 1, 1, 1, 1, 1, 1] [2023-05-04 04:36:13,369 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 04:36:13,369 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 04:36:13,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 04:36:13 BasicIcfg [2023-05-04 04:36:13,372 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 04:36:13,372 INFO L158 Benchmark]: Toolchain (without parser) took 722586.26ms. Allocated memory was 198.2MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 141.7MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 798.3MB. Max. memory is 8.0GB. [2023-05-04 04:36:13,372 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 198.2MB. Free memory is still 160.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 04:36:13,372 INFO L158 Benchmark]: CACSL2BoogieTranslator took 507.14ms. Allocated memory is still 198.2MB. Free memory was 141.5MB in the beginning and 164.4MB in the end (delta: -22.8MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. [2023-05-04 04:36:13,372 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.96ms. Allocated memory is still 198.2MB. Free memory was 164.4MB in the beginning and 162.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 04:36:13,373 INFO L158 Benchmark]: Boogie Preprocessor took 46.34ms. Allocated memory is still 198.2MB. Free memory was 162.3MB in the beginning and 160.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 04:36:13,373 INFO L158 Benchmark]: RCFGBuilder took 480.28ms. Allocated memory is still 198.2MB. Free memory was 160.7MB in the beginning and 146.5MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-05-04 04:36:13,373 INFO L158 Benchmark]: TraceAbstraction took 721481.24ms. Allocated memory was 198.2MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 145.5MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 802.1MB. Max. memory is 8.0GB. [2023-05-04 04:36:13,374 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 198.2MB. Free memory is still 160.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 507.14ms. Allocated memory is still 198.2MB. Free memory was 141.5MB in the beginning and 164.4MB in the end (delta: -22.8MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 61.96ms. Allocated memory is still 198.2MB. Free memory was 164.4MB in the beginning and 162.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.34ms. Allocated memory is still 198.2MB. Free memory was 162.3MB in the beginning and 160.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 480.28ms. Allocated memory is still 198.2MB. Free memory was 160.7MB in the beginning and 146.5MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 721481.24ms. Allocated memory was 198.2MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 145.5MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 802.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 999112, independent: 986265, independent conditional: 983972, independent unconditional: 2293, dependent: 12847, dependent conditional: 12840, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 986658, independent: 986265, independent conditional: 983972, independent unconditional: 2293, dependent: 393, dependent conditional: 386, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 986658, independent: 986265, independent conditional: 983972, independent unconditional: 2293, dependent: 393, dependent conditional: 386, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 990841, independent: 986265, independent conditional: 215, independent unconditional: 986050, dependent: 4576, dependent conditional: 3968, dependent unconditional: 608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 990841, independent: 986265, independent conditional: 215, independent unconditional: 986050, dependent: 4576, dependent conditional: 1129, dependent unconditional: 3447, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 990841, independent: 986265, independent conditional: 215, independent unconditional: 986050, dependent: 4576, dependent conditional: 1129, dependent unconditional: 3447, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1973, independent: 1831, independent conditional: 12, independent unconditional: 1819, dependent: 142, dependent conditional: 135, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1973, independent: 1818, independent conditional: 0, independent unconditional: 1818, dependent: 155, dependent conditional: 0, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 155, independent: 13, independent conditional: 12, independent unconditional: 1, dependent: 142, dependent conditional: 135, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 155, independent: 13, independent conditional: 12, independent unconditional: 1, dependent: 142, dependent conditional: 135, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 375, independent: 70, independent conditional: 23, independent unconditional: 47, dependent: 306, dependent conditional: 285, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 990841, independent: 984434, independent conditional: 203, independent unconditional: 984231, dependent: 4434, dependent conditional: 994, dependent unconditional: 3440, unknown: 1973, unknown conditional: 147, unknown unconditional: 1826] , Statistics on independence cache: Total cache size (in pairs): 1973, Positive cache size: 1831, Positive conditional cache size: 12, Positive unconditional cache size: 1819, Negative cache size: 142, Negative conditional cache size: 135, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2839, Maximal queried relation: 18, Independence queries for same thread: 12454 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 1720, Number of trivial persistent sets: 1331, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2300, independent: 2293, independent conditional: 0, independent unconditional: 2293, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 999112, independent: 986265, independent conditional: 983972, independent unconditional: 2293, dependent: 12847, dependent conditional: 12840, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 986658, independent: 986265, independent conditional: 983972, independent unconditional: 2293, dependent: 393, dependent conditional: 386, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 986658, independent: 986265, independent conditional: 983972, independent unconditional: 2293, dependent: 393, dependent conditional: 386, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 990841, independent: 986265, independent conditional: 215, independent unconditional: 986050, dependent: 4576, dependent conditional: 3968, dependent unconditional: 608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 990841, independent: 986265, independent conditional: 215, independent unconditional: 986050, dependent: 4576, dependent conditional: 1129, dependent unconditional: 3447, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 990841, independent: 986265, independent conditional: 215, independent unconditional: 986050, dependent: 4576, dependent conditional: 1129, dependent unconditional: 3447, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1973, independent: 1831, independent conditional: 12, independent unconditional: 1819, dependent: 142, dependent conditional: 135, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1973, independent: 1818, independent conditional: 0, independent unconditional: 1818, dependent: 155, dependent conditional: 0, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 155, independent: 13, independent conditional: 12, independent unconditional: 1, dependent: 142, dependent conditional: 135, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 155, independent: 13, independent conditional: 12, independent unconditional: 1, dependent: 142, dependent conditional: 135, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 375, independent: 70, independent conditional: 23, independent unconditional: 47, dependent: 306, dependent conditional: 285, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 990841, independent: 984434, independent conditional: 203, independent unconditional: 984231, dependent: 4434, dependent conditional: 994, dependent unconditional: 3440, unknown: 1973, unknown conditional: 147, unknown unconditional: 1826] , Statistics on independence cache: Total cache size (in pairs): 1973, Positive cache size: 1831, Positive conditional cache size: 12, Positive unconditional cache size: 1819, Negative cache size: 142, Negative conditional cache size: 135, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2839, Maximal queried relation: 18, Independence queries for same thread: 12454 - TimeoutResultAtElement [Line: 681]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 437 known predicates. - TimeoutResultAtElement [Line: 720]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 437 known predicates. - TimeoutResultAtElement [Line: 721]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 437 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 721.3s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 14, EmptinessCheckTime: 604.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2555, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 109.8s InterpolantComputationTime, 6838 NumberOfCodeBlocks, 6734 NumberOfCodeBlocksAsserted, 91 NumberOfCheckSat, 10019 ConstructedInterpolants, 0 QuantifiedInterpolants, 92261 SizeOfPredicates, 438 NumberOfNonLiveVariables, 6312 ConjunctsInSsa, 561 ConjunctsInUnsatCore, 53 InterpolantComputations, 4 PerfectInterpolantSequences, 14663/34279 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown