/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/fib_safe-6.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 09:37:36,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 09:37:36,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 09:37:36,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-20 09:37:36,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 09:37:36,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 09:37:36,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 09:37:36,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 09:37:36,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 09:37:36,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 09:37:36,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 09:37:36,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 09:37:36,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 09:37:36,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 09:37:36,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 09:37:36,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 09:37:36,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-05-20 09:37:36,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 09:37:36,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 09:37:36,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 09:37:36,201 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 09:37:36,231 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 09:37:36,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 09:37:36,232 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 09:37:36,232 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 09:37:36,233 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 09:37:36,233 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 09:37:36,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 09:37:36,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 09:37:36,235 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 09:37:36,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 09:37:36,236 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 09:37:36,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 09:37:36,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 09:37:36,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 09:37:36,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 09:37:36,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 09:37:36,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 09:37:36,237 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 09:37:36,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 09:37:36,237 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 09:37:36,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 09:37:36,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 09:37:36,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 09:37:36,239 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 09:37:36,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 09:37:36,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 09:37:36,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 09:37:36,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 09:37:36,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 09:37:36,240 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 09:37:36,240 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 09:37:36,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 09:37:36,241 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 09:37:36,241 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 09:37:36,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 09:37:36,241 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 09:37:36,241 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-20 09:37:36,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 09:37:36,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 09:37:36,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 09:37:36,522 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 09:37:36,523 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 09:37:36,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_safe-6.i [2023-05-20 09:37:36,578 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d186b009f/251b264f1c3b4adc96ff5808da826797/FLAG801755726 [2023-05-20 09:37:37,051 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 09:37:37,052 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-6.i [2023-05-20 09:37:37,068 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d186b009f/251b264f1c3b4adc96ff5808da826797/FLAG801755726 [2023-05-20 09:37:37,386 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d186b009f/251b264f1c3b4adc96ff5808da826797 [2023-05-20 09:37:37,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 09:37:37,390 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 09:37:37,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 09:37:37,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 09:37:37,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 09:37:37,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 09:37:37" (1/1) ... [2023-05-20 09:37:37,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e2b2c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:37:37, skipping insertion in model container [2023-05-20 09:37:37,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 09:37:37" (1/1) ... [2023-05-20 09:37:37,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 09:37:37,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 09:37:37,730 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-6.i[30241,30254] [2023-05-20 09:37:37,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 09:37:37,761 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 09:37:37,788 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-6.i[30241,30254] [2023-05-20 09:37:37,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 09:37:37,837 INFO L208 MainTranslator]: Completed translation [2023-05-20 09:37:37,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:37:37 WrapperNode [2023-05-20 09:37:37,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 09:37:37,838 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 09:37:37,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 09:37:37,839 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 09:37:37,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:37:37" (1/1) ... [2023-05-20 09:37:37,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:37:37" (1/1) ... [2023-05-20 09:37:37,890 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2023-05-20 09:37:37,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 09:37:37,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 09:37:37,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 09:37:37,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 09:37:37,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:37:37" (1/1) ... [2023-05-20 09:37:37,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:37:37" (1/1) ... [2023-05-20 09:37:37,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:37:37" (1/1) ... [2023-05-20 09:37:37,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:37:37" (1/1) ... [2023-05-20 09:37:37,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:37:37" (1/1) ... [2023-05-20 09:37:37,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:37:37" (1/1) ... [2023-05-20 09:37:37,913 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:37:37" (1/1) ... [2023-05-20 09:37:37,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:37:37" (1/1) ... [2023-05-20 09:37:37,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 09:37:37,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 09:37:37,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 09:37:37,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 09:37:37,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:37:37" (1/1) ... [2023-05-20 09:37:37,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 09:37:37,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:37:37,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-20 09:37:37,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-20 09:37:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-05-20 09:37:37,988 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-05-20 09:37:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-05-20 09:37:37,988 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-05-20 09:37:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 09:37:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 09:37:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 09:37:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 09:37:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 09:37:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 09:37:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 09:37:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 09:37:37,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 09:37:37,991 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 09:37:38,191 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 09:37:38,193 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 09:37:38,415 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 09:37:38,424 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 09:37:38,425 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-20 09:37:38,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 09:37:38 BoogieIcfgContainer [2023-05-20 09:37:38,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 09:37:38,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 09:37:38,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 09:37:38,434 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 09:37:38,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 09:37:37" (1/3) ... [2023-05-20 09:37:38,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e053a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 09:37:38, skipping insertion in model container [2023-05-20 09:37:38,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:37:37" (2/3) ... [2023-05-20 09:37:38,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e053a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 09:37:38, skipping insertion in model container [2023-05-20 09:37:38,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 09:37:38" (3/3) ... [2023-05-20 09:37:38,437 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_safe-6.i [2023-05-20 09:37:38,445 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 09:37:38,453 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 09:37:38,454 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 09:37:38,454 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 09:37:38,519 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-20 09:37:38,585 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 09:37:38,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 09:37:38,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:37:38,588 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-20 09:37:38,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-20 09:37:38,627 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 09:37:38,654 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 09:37:38,663 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;@53a8d835, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 09:37:38,663 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-20 09:37:38,859 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 09:37:38,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:37:38,863 INFO L85 PathProgramCache]: Analyzing trace with hash -45723224, now seen corresponding path program 1 times [2023-05-20 09:37:38,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:37:38,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491358721] [2023-05-20 09:37:38,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:37:38,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:37:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:37:39,153 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-20 09:37:39,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:37:39,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491358721] [2023-05-20 09:37:39,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491358721] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 09:37:39,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 09:37:39,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 09:37:39,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084534301] [2023-05-20 09:37:39,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 09:37:39,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 09:37:39,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:37:39,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 09:37:39,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 09:37:39,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:39,191 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:37:39,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 09:37:39,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:39,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:39,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 09:37:39,259 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 09:37:39,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:37:39,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1673595539, now seen corresponding path program 1 times [2023-05-20 09:37:39,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:37:39,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775569720] [2023-05-20 09:37:39,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:37:39,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:37:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:37:39,491 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-20 09:37:39,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:37:39,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775569720] [2023-05-20 09:37:39,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775569720] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 09:37:39,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 09:37:39,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-20 09:37:39,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426710233] [2023-05-20 09:37:39,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 09:37:39,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 09:37:39,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:37:39,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 09:37:39,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-20 09:37:39,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:39,495 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:37:39,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 09:37:39,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:39,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:39,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:39,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:39,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 09:37:39,579 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 09:37:39,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:37:39,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1572372246, now seen corresponding path program 1 times [2023-05-20 09:37:39,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:37:39,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823959309] [2023-05-20 09:37:39,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:37:39,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:37:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:37:39,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 09:37:39,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:37:39,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823959309] [2023-05-20 09:37:39,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823959309] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:37:39,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164300352] [2023-05-20 09:37:39,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:37:39,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:37:39,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:37:39,788 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 09:37:39,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 09:37:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:37:39,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 2 conjunts are in the unsatisfiable core [2023-05-20 09:37:39,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:37:40,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 09:37:40,036 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 09:37:40,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164300352] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 09:37:40,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 09:37:40,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-05-20 09:37:40,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998835396] [2023-05-20 09:37:40,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 09:37:40,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 09:37:40,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:37:40,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 09:37:40,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-20 09:37:40,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:40,038 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:37:40,039 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) [2023-05-20 09:37:40,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:40,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:40,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:40,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:40,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:40,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:40,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-20 09:37:40,288 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,SelfDestructingSolverStorable2 [2023-05-20 09:37:40,289 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 09:37:40,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:37:40,289 INFO L85 PathProgramCache]: Analyzing trace with hash -72817008, now seen corresponding path program 1 times [2023-05-20 09:37:40,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:37:40,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366292795] [2023-05-20 09:37:40,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:37:40,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:37:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:37:40,429 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-20 09:37:40,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:37:40,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366292795] [2023-05-20 09:37:40,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366292795] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:37:40,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749462000] [2023-05-20 09:37:40,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:37:40,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:37:40,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:37:40,432 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 09:37:40,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 09:37:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:37:40,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2023-05-20 09:37:40,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:37:40,563 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-20 09:37:40,563 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 09:37:40,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749462000] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 09:37:40,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 09:37:40,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-05-20 09:37:40,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497220050] [2023-05-20 09:37:40,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 09:37:40,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 09:37:40,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:37:40,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 09:37:40,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-20 09:37:40,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:40,565 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:37:40,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 09:37:40,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:40,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:40,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:40,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:40,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:40,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:40,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:40,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:40,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-20 09:37:40,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:37:40,809 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 09:37:40,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:37:40,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1225952027, now seen corresponding path program 1 times [2023-05-20 09:37:40,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:37:40,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991023243] [2023-05-20 09:37:40,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:37:40,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:37:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:37:40,968 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-05-20 09:37:40,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:37:40,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991023243] [2023-05-20 09:37:40,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991023243] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:37:40,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066740363] [2023-05-20 09:37:40,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:37:40,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:37:40,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:37:40,976 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 09:37:40,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 09:37:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:37:41,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-20 09:37:41,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:37:41,170 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-05-20 09:37:41,170 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:37:41,216 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-05-20 09:37:41,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066740363] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:37:41,217 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:37:41,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-05-20 09:37:41,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62789398] [2023-05-20 09:37:41,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:37:41,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-20 09:37:41,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:37:41,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-20 09:37:41,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-05-20 09:37:41,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:41,220 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:37:41,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 09:37:41,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:41,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:41,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:41,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:41,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:41,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:41,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:41,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:41,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:41,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:37:41,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-20 09:37:41,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:37:41,549 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 09:37:41,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:37:41,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1450292244, now seen corresponding path program 1 times [2023-05-20 09:37:41,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:37:41,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886264642] [2023-05-20 09:37:41,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:37:41,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:37:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:37:41,656 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-20 09:37:41,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:37:41,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886264642] [2023-05-20 09:37:41,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886264642] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:37:41,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834923335] [2023-05-20 09:37:41,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:37:41,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:37:41,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:37:41,665 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 09:37:41,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 09:37:41,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:37:41,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-20 09:37:41,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:37:41,812 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-20 09:37:41,812 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:37:41,854 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-20 09:37:41,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834923335] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:37:41,854 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:37:41,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-05-20 09:37:41,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6463946] [2023-05-20 09:37:41,854 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:37:41,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-20 09:37:41,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:37:41,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-20 09:37:41,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-05-20 09:37:41,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:41,857 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:37:41,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.9) internal successors, (129), 10 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 09:37:41,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:41,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:41,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:41,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:41,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:37:41,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:41,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:41,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:41,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:41,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:41,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:37:41,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:37:41,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-20 09:37:42,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:37:42,160 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 09:37:42,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:37:42,161 INFO L85 PathProgramCache]: Analyzing trace with hash -2037899731, now seen corresponding path program 2 times [2023-05-20 09:37:42,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:37:42,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373417455] [2023-05-20 09:37:42,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:37:42,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:37:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:37:42,294 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 40 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-20 09:37:42,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:37:42,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373417455] [2023-05-20 09:37:42,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373417455] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:37:42,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965462042] [2023-05-20 09:37:42,294 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 09:37:42,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:37:42,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:37:42,296 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) [2023-05-20 09:37:42,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-20 09:37:42,387 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 09:37:42,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 09:37:42,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-20 09:37:42,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:37:42,484 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 24 proven. 22 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-20 09:37:42,485 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:37:42,607 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 24 proven. 22 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-20 09:37:42,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965462042] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:37:42,608 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:37:42,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 16 [2023-05-20 09:37:42,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018774418] [2023-05-20 09:37:42,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:37:42,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-05-20 09:37:42,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:37:42,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-05-20 09:37:42,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2023-05-20 09:37:42,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:42,610 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:37:42,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 11.625) internal successors, (186), 16 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 09:37:42,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:42,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:42,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:42,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:42,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:37:42,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:37:42,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:42,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:42,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:42,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:42,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:42,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:37:42,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:37:42,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 09:37:42,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-20 09:37:43,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:37:43,153 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 09:37:43,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:37:43,154 INFO L85 PathProgramCache]: Analyzing trace with hash 875783929, now seen corresponding path program 2 times [2023-05-20 09:37:43,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:37:43,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549807417] [2023-05-20 09:37:43,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:37:43,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:37:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:37:43,360 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 86 proven. 41 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-20 09:37:43,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:37:43,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549807417] [2023-05-20 09:37:43,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549807417] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:37:43,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491899730] [2023-05-20 09:37:43,364 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 09:37:43,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:37:43,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:37:43,365 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) [2023-05-20 09:37:43,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-20 09:37:43,456 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 09:37:43,456 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 09:37:43,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-20 09:37:43,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:37:43,556 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 86 proven. 41 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-20 09:37:43,556 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:37:43,660 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 86 proven. 41 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-20 09:37:43,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491899730] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:37:43,661 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:37:43,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2023-05-20 09:37:43,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170395432] [2023-05-20 09:37:43,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:37:43,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-05-20 09:37:43,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:37:43,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-05-20 09:37:43,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2023-05-20 09:37:43,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:43,666 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:37:43,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.933333333333334) internal successors, (179), 15 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 09:37:43,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:43,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:43,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:43,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:43,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:37:43,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:37:43,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 09:37:43,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:43,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:43,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:43,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:43,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:43,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:37:43,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:37:43,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 09:37:43,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:37:43,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-20 09:37:44,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:37:44,033 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 09:37:44,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:37:44,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1559140790, now seen corresponding path program 3 times [2023-05-20 09:37:44,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:37:44,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315314747] [2023-05-20 09:37:44,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:37:44,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:37:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:37:44,165 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 108 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-20 09:37:44,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:37:44,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315314747] [2023-05-20 09:37:44,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315314747] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:37:44,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321072679] [2023-05-20 09:37:44,166 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 09:37:44,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:37:44,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:37:44,170 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) [2023-05-20 09:37:44,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-20 09:37:44,267 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2023-05-20 09:37:44,267 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 09:37:44,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-20 09:37:44,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:37:44,336 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 108 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-20 09:37:44,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:37:44,430 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 108 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-20 09:37:44,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321072679] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:37:44,431 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:37:44,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2023-05-20 09:37:44,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883669933] [2023-05-20 09:37:44,433 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:37:44,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-05-20 09:37:44,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:37:44,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-05-20 09:37:44,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2023-05-20 09:37:44,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:44,435 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:37:44,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.357142857142858) internal successors, (187), 14 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 09:37:44,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:44,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:44,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:44,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:44,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:37:44,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:37:44,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 09:37:44,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:37:44,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:44,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:44,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:44,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:44,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:44,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:37:44,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:37:44,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 09:37:44,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:37:44,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 09:37:44,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-20 09:37:44,793 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,SelfDestructingSolverStorable8 [2023-05-20 09:37:44,794 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 09:37:44,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:37:44,794 INFO L85 PathProgramCache]: Analyzing trace with hash -856024548, now seen corresponding path program 4 times [2023-05-20 09:37:44,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:37:44,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965792351] [2023-05-20 09:37:44,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:37:44,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:37:44,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:37:45,115 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 145 proven. 219 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-05-20 09:37:45,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:37:45,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965792351] [2023-05-20 09:37:45,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965792351] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:37:45,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243682364] [2023-05-20 09:37:45,116 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 09:37:45,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:37:45,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:37:45,117 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 09:37:45,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-20 09:37:45,218 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 09:37:45,218 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 09:37:45,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-20 09:37:45,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:37:45,463 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 336 proven. 15 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-05-20 09:37:45,464 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:37:45,712 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 336 proven. 15 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-05-20 09:37:45,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243682364] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:37:45,713 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:37:45,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 15] total 26 [2023-05-20 09:37:45,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332909369] [2023-05-20 09:37:45,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:37:45,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-05-20 09:37:45,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:37:45,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-05-20 09:37:45,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2023-05-20 09:37:45,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:45,715 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:37:45,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 10.076923076923077) internal successors, (262), 26 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 09:37:45,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:45,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:45,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:45,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:45,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:37:45,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:37:45,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 09:37:45,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:37:45,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 09:37:45,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:46,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:46,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:46,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:46,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:46,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:37:46,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:37:46,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 09:37:46,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:37:46,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 09:37:46,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-20 09:37:46,539 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-05-20 09:37:46,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-20 09:37:46,716 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 09:37:46,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:37:46,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1962732129, now seen corresponding path program 3 times [2023-05-20 09:37:46,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:37:46,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532139202] [2023-05-20 09:37:46,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:37:46,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:37:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:37:47,014 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 55 proven. 209 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 09:37:47,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:37:47,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532139202] [2023-05-20 09:37:47,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532139202] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:37:47,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551125502] [2023-05-20 09:37:47,014 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 09:37:47,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:37:47,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:37:47,016 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 09:37:47,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-20 09:37:47,122 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2023-05-20 09:37:47,122 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 09:37:47,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-20 09:37:47,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:37:47,249 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 55 proven. 209 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 09:37:47,249 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:37:47,538 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 55 proven. 209 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 09:37:47,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551125502] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:37:47,539 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:37:47,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 30 [2023-05-20 09:37:47,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269406916] [2023-05-20 09:37:47,539 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:37:47,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-05-20 09:37:47,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:37:47,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-05-20 09:37:47,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=630, Unknown=0, NotChecked=0, Total=870 [2023-05-20 09:37:47,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:47,541 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:37:47,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 9.066666666666666) internal successors, (272), 30 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 09:37:47,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:47,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:47,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:47,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:47,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:37:47,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:37:47,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 09:37:47,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:37:47,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 09:37:47,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-20 09:37:47,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:47,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:37:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:37:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 09:37:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:37:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 09:37:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-20 09:37:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:37:47,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-20 09:37:48,130 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,SelfDestructingSolverStorable10 [2023-05-20 09:37:48,130 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 09:37:48,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:37:48,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1487907492, now seen corresponding path program 4 times [2023-05-20 09:37:48,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:37:48,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938216153] [2023-05-20 09:37:48,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:37:48,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:37:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:37:48,855 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 55 proven. 657 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 09:37:48,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:37:48,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938216153] [2023-05-20 09:37:48,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938216153] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:37:48,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988985137] [2023-05-20 09:37:48,856 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 09:37:48,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:37:48,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:37:48,858 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 09:37:48,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-20 09:37:48,982 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 09:37:48,983 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 09:37:48,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 28 conjunts are in the unsatisfiable core [2023-05-20 09:37:48,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:37:49,185 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 55 proven. 657 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 09:37:49,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:37:49,601 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 55 proven. 657 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 09:37:49,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988985137] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:37:49,601 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:37:49,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 31 [2023-05-20 09:37:49,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728778036] [2023-05-20 09:37:49,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:37:49,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-05-20 09:37:49,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:37:49,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-05-20 09:37:49,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=675, Unknown=0, NotChecked=0, Total=930 [2023-05-20 09:37:49,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:49,603 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:37:49,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 7.354838709677419) internal successors, (228), 31 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 09:37:49,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:49,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:49,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:49,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:49,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:37:49,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:37:49,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 09:37:49,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:37:49,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 09:37:49,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-20 09:37:49,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:37:49,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:37:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:37:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:37:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:37:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 09:37:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:37:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 09:37:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-20 09:37:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:37:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-20 09:37:50,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-20 09:37:50,263 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,SelfDestructingSolverStorable11 [2023-05-20 09:37:50,263 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 09:37:50,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:37:50,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1766529823, now seen corresponding path program 5 times [2023-05-20 09:37:50,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:37:50,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87230814] [2023-05-20 09:37:50,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:37:50,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:37:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:37:53,862 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 09:37:53,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:37:53,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87230814] [2023-05-20 09:37:53,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87230814] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:37:53,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195182924] [2023-05-20 09:37:53,863 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 09:37:53,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:37:53,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:37:53,865 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 09:37:53,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-20 09:37:53,993 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2023-05-20 09:37:53,994 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 09:37:53,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 63 conjunts are in the unsatisfiable core [2023-05-20 09:37:54,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:37:59,931 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 252 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 09:37:59,932 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:38:06,640 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 09:38:06,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195182924] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:38:06,641 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:38:06,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 181 [2023-05-20 09:38:06,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171508170] [2023-05-20 09:38:06,641 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:38:06,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2023-05-20 09:38:06,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:38:06,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2023-05-20 09:38:06,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1445, Invalid=31135, Unknown=0, NotChecked=0, Total=32580 [2023-05-20 09:38:06,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:38:06,652 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:38:06,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 3.591160220994475) internal successors, (650), 181 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 09:38:06,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:38:06,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:38:06,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:38:06,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:38:06,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:38:06,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:38:06,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 09:38:06,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:38:06,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 09:38:06,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-20 09:38:06,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:38:06,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-20 09:38:06,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:38:35,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:38:35,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:38:35,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:38:35,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:38:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:38:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:38:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 09:38:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:38:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 09:38:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-20 09:38:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:38:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-20 09:38:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-05-20 09:38:35,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-20 09:38:35,893 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,SelfDestructingSolverStorable12 [2023-05-20 09:38:35,893 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 09:38:35,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:38:35,894 INFO L85 PathProgramCache]: Analyzing trace with hash -867912578, now seen corresponding path program 6 times [2023-05-20 09:38:35,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:38:35,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171881523] [2023-05-20 09:38:35,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:38:35,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:38:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:38:36,193 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 417 proven. 29 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2023-05-20 09:38:36,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:38:36,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171881523] [2023-05-20 09:38:36,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171881523] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:38:36,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026544096] [2023-05-20 09:38:36,193 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 09:38:36,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:38:36,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:38:36,195 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 09:38:36,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-20 09:38:36,322 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2023-05-20 09:38:36,322 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 09:38:36,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-20 09:38:36,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:38:36,428 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 438 proven. 8 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2023-05-20 09:38:36,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:38:36,581 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 438 proven. 8 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2023-05-20 09:38:36,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026544096] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:38:36,581 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:38:36,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 17 [2023-05-20 09:38:36,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618702873] [2023-05-20 09:38:36,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:38:36,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-05-20 09:38:36,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:38:36,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-05-20 09:38:36,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2023-05-20 09:38:36,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:38:36,583 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:38:36,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 9.882352941176471) internal successors, (168), 17 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 09:38:36,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:38:36,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:38:36,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:38:36,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:38:36,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:38:36,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:38:36,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 09:38:36,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:38:36,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 09:38:36,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-20 09:38:36,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:38:36,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-20 09:38:36,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-05-20 09:38:36,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:38:59,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:38:59,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:38:59,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:38:59,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:38:59,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:38:59,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:38:59,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 09:38:59,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:38:59,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 09:38:59,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2023-05-20 09:38:59,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:38:59,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-20 09:38:59,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2023-05-20 09:38:59,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 09:38:59,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-20 09:38:59,553 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,SelfDestructingSolverStorable13 [2023-05-20 09:38:59,553 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 09:38:59,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:38:59,553 INFO L85 PathProgramCache]: Analyzing trace with hash 702942388, now seen corresponding path program 7 times [2023-05-20 09:38:59,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:38:59,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102925238] [2023-05-20 09:38:59,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:38:59,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:38:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:39:00,277 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 765 proven. 139 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-20 09:39:00,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:39:00,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102925238] [2023-05-20 09:39:00,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102925238] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:39:00,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869586187] [2023-05-20 09:39:00,278 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-20 09:39:00,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:39:00,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:39:00,279 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) [2023-05-20 09:39:00,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-20 09:39:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:39:00,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 30 conjunts are in the unsatisfiable core [2023-05-20 09:39:00,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:39:00,565 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 877 proven. 27 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-20 09:39:00,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:39:00,973 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 877 proven. 27 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-20 09:39:00,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869586187] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:39:00,973 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:39:00,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 33 [2023-05-20 09:39:00,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409629762] [2023-05-20 09:39:00,974 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:39:00,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-05-20 09:39:00,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:39:00,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-05-20 09:39:00,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=795, Unknown=0, NotChecked=0, Total=1056 [2023-05-20 09:39:00,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:39:00,975 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:39:00,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 7.363636363636363) internal successors, (243), 33 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 09:39:00,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:39:00,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:39:00,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:39:00,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:39:00,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:39:00,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:39:00,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 09:39:00,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:39:00,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 09:39:00,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2023-05-20 09:39:00,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:39:00,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-20 09:39:00,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2023-05-20 09:39:00,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 09:39:00,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:39:54,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:39:54,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:39:54,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:39:54,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:39:54,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:39:54,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:39:54,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 09:39:54,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:39:54,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 09:39:54,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2023-05-20 09:39:54,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:39:54,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-20 09:39:54,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 355 states. [2023-05-20 09:39:54,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 09:39:54,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-20 09:39:54,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-05-20 09:39:55,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:39:55,043 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 09:39:55,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:39:55,043 INFO L85 PathProgramCache]: Analyzing trace with hash 601323353, now seen corresponding path program 8 times [2023-05-20 09:39:55,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:39:55,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334776670] [2023-05-20 09:39:55,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:39:55,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:39:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:39:58,144 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 09:39:58,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:39:58,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334776670] [2023-05-20 09:39:58,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334776670] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:39:58,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747216737] [2023-05-20 09:39:58,144 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 09:39:58,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:39:58,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:39:58,149 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) [2023-05-20 09:39:58,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-05-20 09:39:58,245 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 09:39:58,245 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 09:39:58,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 63 conjunts are in the unsatisfiable core [2023-05-20 09:39:58,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:40:03,197 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 220 proven. 593 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 09:40:03,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:40:09,302 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 09:40:09,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747216737] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:40:09,303 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:40:09,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 181 [2023-05-20 09:40:09,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092217272] [2023-05-20 09:40:09,303 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:40:09,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2023-05-20 09:40:09,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:40:09,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2023-05-20 09:40:09,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1483, Invalid=31097, Unknown=0, NotChecked=0, Total=32580 [2023-05-20 09:40:09,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:40:09,313 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:40:09,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 3.591160220994475) internal successors, (650), 181 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 09:40:09,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:40:09,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:40:09,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:40:09,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:40:09,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:40:09,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:40:09,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 09:40:09,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:40:09,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 09:40:09,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2023-05-20 09:40:09,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:40:09,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-20 09:40:09,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 355 states. [2023-05-20 09:40:09,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 09:40:09,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-20 09:40:09,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:41:16,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:41:16,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:41:16,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:41:16,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:41:16,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:41:16,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:41:16,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 09:41:16,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:41:16,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 09:41:16,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2023-05-20 09:41:16,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:41:16,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-20 09:41:16,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 380 states. [2023-05-20 09:41:16,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 09:41:16,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-20 09:41:16,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 242 states. [2023-05-20 09:41:16,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-05-20 09:41:16,989 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,SelfDestructingSolverStorable15 [2023-05-20 09:41:16,990 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 09:41:16,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:41:16,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1085133300, now seen corresponding path program 5 times [2023-05-20 09:41:16,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:41:16,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807772650] [2023-05-20 09:41:16,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:41:16,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:41:17,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:41:19,521 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 4 proven. 762 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 09:41:19,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:41:19,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807772650] [2023-05-20 09:41:19,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807772650] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:41:19,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656320087] [2023-05-20 09:41:19,522 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 09:41:19,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:41:19,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:41:19,523 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) [2023-05-20 09:41:19,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-05-20 09:41:19,618 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2023-05-20 09:41:19,618 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 09:41:19,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 60 conjunts are in the unsatisfiable core [2023-05-20 09:41:19,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:41:24,131 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 310 proven. 456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 09:41:24,132 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:41:29,617 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 4 proven. 762 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 09:41:29,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [656320087] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:41:29,617 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:41:29,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 60, 60] total 172 [2023-05-20 09:41:29,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779707165] [2023-05-20 09:41:29,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:41:29,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 172 states [2023-05-20 09:41:29,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:41:29,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants. [2023-05-20 09:41:29,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1565, Invalid=27847, Unknown=0, NotChecked=0, Total=29412 [2023-05-20 09:41:29,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:41:29,624 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:41:29,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 172 states, 172 states have (on average 3.5406976744186047) internal successors, (609), 172 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 09:41:29,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:41:29,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:41:29,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:41:29,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:41:29,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:41:29,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:41:29,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 09:41:29,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:41:29,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 09:41:29,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2023-05-20 09:41:29,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:41:29,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-20 09:41:29,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 380 states. [2023-05-20 09:41:29,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 09:41:29,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-20 09:41:29,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 242 states. [2023-05-20 09:41:29,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:42:59,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:42:59,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:42:59,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:42:59,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:42:59,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:42:59,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:42:59,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 09:42:59,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:42:59,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 09:42:59,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2023-05-20 09:42:59,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:42:59,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-20 09:42:59,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 409 states. [2023-05-20 09:42:59,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 09:42:59,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-20 09:42:59,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 299 states. [2023-05-20 09:42:59,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2023-05-20 09:42:59,470 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-05-20 09:42:59,668 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,SelfDestructingSolverStorable16 [2023-05-20 09:42:59,668 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 09:42:59,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:42:59,668 INFO L85 PathProgramCache]: Analyzing trace with hash -994750739, now seen corresponding path program 9 times [2023-05-20 09:42:59,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:42:59,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003353681] [2023-05-20 09:42:59,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:42:59,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:42:59,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:43:02,437 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 09:43:02,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:43:02,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003353681] [2023-05-20 09:43:02,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003353681] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:43:02,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311974245] [2023-05-20 09:43:02,438 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 09:43:02,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:43:02,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:43:02,446 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) [2023-05-20 09:43:02,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-05-20 09:43:02,570 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-05-20 09:43:02,570 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 09:43:02,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 63 conjunts are in the unsatisfiable core [2023-05-20 09:43:02,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:43:07,447 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 252 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 09:43:07,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:43:13,431 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 09:43:13,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311974245] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:43:13,431 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:43:13,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 181 [2023-05-20 09:43:13,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555129017] [2023-05-20 09:43:13,432 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:43:13,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2023-05-20 09:43:13,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:43:13,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2023-05-20 09:43:13,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1473, Invalid=31107, Unknown=0, NotChecked=0, Total=32580 [2023-05-20 09:43:13,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:43:13,436 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:43:13,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 3.591160220994475) internal successors, (650), 181 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 09:43:13,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:43:13,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:43:13,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:43:13,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:43:13,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:43:13,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:43:13,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 09:43:13,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:43:13,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 09:43:13,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2023-05-20 09:43:13,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:43:13,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-20 09:43:13,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 409 states. [2023-05-20 09:43:13,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 09:43:13,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-20 09:43:13,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 299 states. [2023-05-20 09:43:13,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2023-05-20 09:43:13,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:44:41,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:44:41,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:44:41,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:44:41,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:44:41,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:44:41,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:44:41,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 09:44:41,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:44:41,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 09:44:41,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2023-05-20 09:44:41,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:44:41,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-20 09:44:41,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 409 states. [2023-05-20 09:44:41,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 09:44:41,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-20 09:44:41,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 299 states. [2023-05-20 09:44:41,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2023-05-20 09:44:41,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 327 states. [2023-05-20 09:44:41,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-05-20 09:44:41,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-20 09:44:41,987 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 09:44:41,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:44:41,988 INFO L85 PathProgramCache]: Analyzing trace with hash 807106891, now seen corresponding path program 10 times [2023-05-20 09:44:41,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:44:41,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025807303] [2023-05-20 09:44:41,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:44:41,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:44:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:44:44,747 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 09:44:44,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:44:44,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025807303] [2023-05-20 09:44:44,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025807303] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:44:44,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646925524] [2023-05-20 09:44:44,748 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 09:44:44,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:44:44,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:44:44,749 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) [2023-05-20 09:44:44,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-05-20 09:44:44,845 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 09:44:44,845 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 09:44:44,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 63 conjunts are in the unsatisfiable core [2023-05-20 09:44:44,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:44:49,787 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 244 proven. 569 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 09:44:49,787 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:44:55,718 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 09:44:55,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646925524] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:44:55,719 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:44:55,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 181 [2023-05-20 09:44:55,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558527663] [2023-05-20 09:44:55,719 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:44:55,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2023-05-20 09:44:55,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:44:55,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2023-05-20 09:44:55,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1482, Invalid=31098, Unknown=0, NotChecked=0, Total=32580 [2023-05-20 09:44:55,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:44:55,722 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:44:55,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 3.591160220994475) internal successors, (650), 181 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 09:44:55,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:44:55,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:44:55,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:44:55,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:44:55,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:44:55,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:44:55,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 09:44:55,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:44:55,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 09:44:55,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2023-05-20 09:44:55,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:44:55,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-20 09:44:55,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 409 states. [2023-05-20 09:44:55,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 09:44:55,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-20 09:44:55,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 299 states. [2023-05-20 09:44:55,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2023-05-20 09:44:55,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 327 states. [2023-05-20 09:44:55,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:47:05,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:47:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:47:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:47:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:47:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:47:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:47:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 09:47:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:47:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 09:47:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2023-05-20 09:47:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:47:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-20 09:47:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 423 states. [2023-05-20 09:47:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 09:47:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-20 09:47:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 311 states. [2023-05-20 09:47:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 279 states. [2023-05-20 09:47:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 398 states. [2023-05-20 09:47:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 315 states. [2023-05-20 09:47:05,053 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-05-20 09:47:05,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:47:05,241 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 09:47:05,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:47:05,241 INFO L85 PathProgramCache]: Analyzing trace with hash 218173603, now seen corresponding path program 11 times [2023-05-20 09:47:05,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:47:05,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526517491] [2023-05-20 09:47:05,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:47:05,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:47:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:47:08,052 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 09:47:08,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:47:08,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526517491] [2023-05-20 09:47:08,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526517491] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:47:08,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730101856] [2023-05-20 09:47:08,052 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 09:47:08,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:47:08,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:47:08,058 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 09:47:08,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-05-20 09:47:08,156 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2023-05-20 09:47:08,157 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 09:47:08,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 66 conjunts are in the unsatisfiable core [2023-05-20 09:47:08,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:47:13,171 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 244 proven. 569 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 09:47:13,171 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:47:19,227 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 09:47:19,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730101856] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:47:19,228 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:47:19,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 183 [2023-05-20 09:47:19,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265652473] [2023-05-20 09:47:19,228 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:47:19,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 183 states [2023-05-20 09:47:19,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:47:19,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 183 interpolants. [2023-05-20 09:47:19,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1527, Invalid=31779, Unknown=0, NotChecked=0, Total=33306 [2023-05-20 09:47:19,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:47:19,231 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:47:19,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 183 states, 183 states have (on average 3.568306010928962) internal successors, (653), 183 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 09:47:19,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:47:19,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:47:19,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:47:19,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:47:19,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:47:19,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:47:19,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 09:47:19,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:47:19,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 09:47:19,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2023-05-20 09:47:19,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-20 09:47:19,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-20 09:47:19,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 423 states. [2023-05-20 09:47:19,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 09:47:19,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-20 09:47:19,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 311 states. [2023-05-20 09:47:19,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 279 states. [2023-05-20 09:47:19,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 398 states. [2023-05-20 09:47:19,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 315 states. [2023-05-20 09:47:19,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-05-20 09:49:41,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-05-20 09:49:41,057 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 09:49:41,057 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 09:49:41,057 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 09:49:41,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:49:41,229 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 451 known predicates. [2023-05-20 09:49:41,231 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-20 09:49:41,231 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-20 09:49:41,231 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-20 09:49:41,236 INFO L444 BasicCegarLoop]: Path program histogram: [11, 5, 1, 1, 1, 1] [2023-05-20 09:49:41,238 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 09:49:41,238 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 09:49:41,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 09:49:41 BasicIcfg [2023-05-20 09:49:41,240 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 09:49:41,240 INFO L158 Benchmark]: Toolchain (without parser) took 723850.95ms. Allocated memory was 180.4MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 154.9MB in the beginning and 803.3MB in the end (delta: -648.4MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2023-05-20 09:49:41,241 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 180.4MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 09:49:41,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.19ms. Allocated memory is still 180.4MB. Free memory was 154.6MB in the beginning and 145.1MB in the end (delta: 9.5MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. [2023-05-20 09:49:41,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.35ms. Allocated memory is still 180.4MB. Free memory was 145.1MB in the beginning and 142.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 09:49:41,241 INFO L158 Benchmark]: Boogie Preprocessor took 25.79ms. Allocated memory is still 180.4MB. Free memory was 142.9MB in the beginning and 141.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 09:49:41,242 INFO L158 Benchmark]: RCFGBuilder took 510.12ms. Allocated memory is still 180.4MB. Free memory was 141.4MB in the beginning and 127.1MB in the end (delta: 14.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-05-20 09:49:41,242 INFO L158 Benchmark]: TraceAbstraction took 722809.36ms. Allocated memory was 180.4MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 125.6MB in the beginning and 803.3MB in the end (delta: -677.7MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2023-05-20 09:49:41,243 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 180.4MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 447.19ms. Allocated memory is still 180.4MB. Free memory was 154.6MB in the beginning and 145.1MB in the end (delta: 9.5MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.35ms. Allocated memory is still 180.4MB. Free memory was 145.1MB in the beginning and 142.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.79ms. Allocated memory is still 180.4MB. Free memory was 142.9MB in the beginning and 141.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 510.12ms. Allocated memory is still 180.4MB. Free memory was 141.4MB in the beginning and 127.1MB in the end (delta: 14.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 722809.36ms. Allocated memory was 180.4MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 125.6MB in the beginning and 803.3MB in the end (delta: -677.7MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1083779, independent: 1066389, independent conditional: 1064077, independent unconditional: 2312, dependent: 17390, dependent conditional: 17383, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1067026, independent: 1066389, independent conditional: 1064077, independent unconditional: 2312, dependent: 637, dependent conditional: 630, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1067026, independent: 1066389, independent conditional: 1064077, independent unconditional: 2312, dependent: 637, dependent conditional: 630, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1072290, independent: 1066389, independent conditional: 64, independent unconditional: 1066325, dependent: 5901, dependent conditional: 5200, dependent unconditional: 701, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1072290, independent: 1066389, independent conditional: 64, independent unconditional: 1066325, dependent: 5901, dependent conditional: 1162, dependent unconditional: 4739, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1072290, independent: 1066389, independent conditional: 64, independent unconditional: 1066325, dependent: 5901, dependent conditional: 1162, dependent unconditional: 4739, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1955, independent: 1807, independent conditional: 5, independent unconditional: 1802, dependent: 148, dependent conditional: 141, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1955, independent: 1801, independent conditional: 0, independent unconditional: 1801, dependent: 154, dependent conditional: 0, dependent unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 154, independent: 6, independent conditional: 5, independent unconditional: 1, dependent: 148, dependent conditional: 141, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 154, independent: 6, independent conditional: 5, independent unconditional: 1, dependent: 148, dependent conditional: 141, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 405, independent: 58, independent conditional: 12, independent unconditional: 46, dependent: 347, dependent conditional: 305, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1072290, independent: 1064582, independent conditional: 59, independent unconditional: 1064523, dependent: 5753, dependent conditional: 1021, dependent unconditional: 4732, unknown: 1955, unknown conditional: 146, unknown unconditional: 1809] , Statistics on independence cache: Total cache size (in pairs): 1955, Positive cache size: 1807, Positive conditional cache size: 5, Positive unconditional cache size: 1802, Negative cache size: 148, Negative conditional cache size: 141, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4038, Maximal queried relation: 16, Independence queries for same thread: 16753 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 1917, Number of trivial persistent sets: 1346, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2319, independent: 2312, independent conditional: 0, independent unconditional: 2312, 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: 1083779, independent: 1066389, independent conditional: 1064077, independent unconditional: 2312, dependent: 17390, dependent conditional: 17383, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1067026, independent: 1066389, independent conditional: 1064077, independent unconditional: 2312, dependent: 637, dependent conditional: 630, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1067026, independent: 1066389, independent conditional: 1064077, independent unconditional: 2312, dependent: 637, dependent conditional: 630, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1072290, independent: 1066389, independent conditional: 64, independent unconditional: 1066325, dependent: 5901, dependent conditional: 5200, dependent unconditional: 701, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1072290, independent: 1066389, independent conditional: 64, independent unconditional: 1066325, dependent: 5901, dependent conditional: 1162, dependent unconditional: 4739, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1072290, independent: 1066389, independent conditional: 64, independent unconditional: 1066325, dependent: 5901, dependent conditional: 1162, dependent unconditional: 4739, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1955, independent: 1807, independent conditional: 5, independent unconditional: 1802, dependent: 148, dependent conditional: 141, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1955, independent: 1801, independent conditional: 0, independent unconditional: 1801, dependent: 154, dependent conditional: 0, dependent unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 154, independent: 6, independent conditional: 5, independent unconditional: 1, dependent: 148, dependent conditional: 141, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 154, independent: 6, independent conditional: 5, independent unconditional: 1, dependent: 148, dependent conditional: 141, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 405, independent: 58, independent conditional: 12, independent unconditional: 46, dependent: 347, dependent conditional: 305, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1072290, independent: 1064582, independent conditional: 59, independent unconditional: 1064523, dependent: 5753, dependent conditional: 1021, dependent unconditional: 4732, unknown: 1955, unknown conditional: 146, unknown unconditional: 1809] , Statistics on independence cache: Total cache size (in pairs): 1955, Positive cache size: 1807, Positive conditional cache size: 5, Positive unconditional cache size: 1802, Negative cache size: 148, Negative conditional cache size: 141, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4038, Maximal queried relation: 16, Independence queries for same thread: 16753 - 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 451 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 451 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 451 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: 722.6s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 11, EmptinessCheckTime: 625.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2664, 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: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 90.4s InterpolantComputationTime, 6369 NumberOfCodeBlocks, 6359 NumberOfCodeBlocksAsserted, 106 NumberOfCheckSat, 9265 ConstructedInterpolants, 0 QuantifiedInterpolants, 83281 SizeOfPredicates, 398 NumberOfNonLiveVariables, 6212 ConjunctsInSsa, 512 ConjunctsInUnsatCore, 54 InterpolantComputations, 4 PerfectInterpolantSequences, 8895/25238 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