/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/triangular-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 09:51:47,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 09:51:47,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 09:51:47,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-20 09:51:47,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 09:51:47,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 09:51:47,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 09:51:47,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 09:51:47,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 09:51:47,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 09:51:47,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 09:51:47,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 09:51:47,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 09:51:47,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 09:51:47,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 09:51:47,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 09:51:47,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-05-20 09:51:47,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 09:51:47,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 09:51:47,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 09:51:47,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 09:51:47,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 09:51:47,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 09:51:47,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 09:51:47,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 09:51:47,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 09:51:47,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 09:51:47,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 09:51:47,125 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 09:51:47,138 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 09:51:47,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 09:51:47,139 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 09:51:47,139 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 09:51:47,139 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 09:51:47,139 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 09:51:47,140 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 09:51:47,140 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 09:51:47,140 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 09:51:47,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 09:51:47,141 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 09:51:47,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 09:51:47,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 09:51:47,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 09:51:47,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 09:51:47,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 09:51:47,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 09:51:47,142 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 09:51:47,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 09:51:47,142 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 09:51:47,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 09:51:47,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 09:51:47,142 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 09:51:47,142 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 09:51:47,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 09:51:47,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 09:51:47,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 09:51:47,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 09:51:47,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 09:51:47,143 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 09:51:47,143 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 09:51:47,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 09:51:47,144 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 09:51:47,144 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 09:51:47,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 09:51:47,144 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 09:51:47,144 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-20 09:51:47,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 09:51:47,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 09:51:47,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 09:51:47,335 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 09:51:47,336 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 09:51:47,336 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/triangular-2.i [2023-05-20 09:51:47,393 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f8fe1aa0/e346bf87329d4f31b1673dae7ce1bad2/FLAG5bea79bce [2023-05-20 09:51:47,852 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 09:51:47,852 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-2.i [2023-05-20 09:51:47,865 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f8fe1aa0/e346bf87329d4f31b1673dae7ce1bad2/FLAG5bea79bce [2023-05-20 09:51:47,877 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f8fe1aa0/e346bf87329d4f31b1673dae7ce1bad2 [2023-05-20 09:51:47,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 09:51:47,880 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 09:51:47,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 09:51:47,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 09:51:47,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 09:51:47,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 09:51:47" (1/1) ... [2023-05-20 09:51:47,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5741c0f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:51:47, skipping insertion in model container [2023-05-20 09:51:47,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 09:51:47" (1/1) ... [2023-05-20 09:51:47,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 09:51:47,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 09:51:48,243 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/triangular-2.i[30952,30965] [2023-05-20 09:51:48,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 09:51:48,251 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 09:51:48,292 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/triangular-2.i[30952,30965] [2023-05-20 09:51:48,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 09:51:48,316 INFO L208 MainTranslator]: Completed translation [2023-05-20 09:51:48,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:51:48 WrapperNode [2023-05-20 09:51:48,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 09:51:48,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 09:51:48,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 09:51:48,318 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 09:51:48,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:51:48" (1/1) ... [2023-05-20 09:51:48,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:51:48" (1/1) ... [2023-05-20 09:51:48,363 INFO L138 Inliner]: procedures = 169, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2023-05-20 09:51:48,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 09:51:48,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 09:51:48,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 09:51:48,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 09:51:48,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:51:48" (1/1) ... [2023-05-20 09:51:48,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:51:48" (1/1) ... [2023-05-20 09:51:48,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:51:48" (1/1) ... [2023-05-20 09:51:48,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:51:48" (1/1) ... [2023-05-20 09:51:48,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:51:48" (1/1) ... [2023-05-20 09:51:48,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:51:48" (1/1) ... [2023-05-20 09:51:48,389 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:51:48" (1/1) ... [2023-05-20 09:51:48,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:51:48" (1/1) ... [2023-05-20 09:51:48,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 09:51:48,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 09:51:48,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 09:51:48,392 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 09:51:48,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:51:48" (1/1) ... [2023-05-20 09:51:48,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 09:51:48,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:51:48,419 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 09:51:48,429 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 09:51:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-05-20 09:51:48,450 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-05-20 09:51:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-05-20 09:51:48,450 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-05-20 09:51:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 09:51:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 09:51:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 09:51:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 09:51:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 09:51:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 09:51:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 09:51:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 09:51:48,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 09:51:48,452 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 09:51:48,544 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 09:51:48,546 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 09:51:48,646 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 09:51:48,650 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 09:51:48,650 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-20 09:51:48,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 09:51:48 BoogieIcfgContainer [2023-05-20 09:51:48,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 09:51:48,653 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 09:51:48,653 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 09:51:48,655 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 09:51:48,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 09:51:47" (1/3) ... [2023-05-20 09:51:48,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa30463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 09:51:48, skipping insertion in model container [2023-05-20 09:51:48,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 09:51:48" (2/3) ... [2023-05-20 09:51:48,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa30463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 09:51:48, skipping insertion in model container [2023-05-20 09:51:48,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 09:51:48" (3/3) ... [2023-05-20 09:51:48,657 INFO L112 eAbstractionObserver]: Analyzing ICFG triangular-2.i [2023-05-20 09:51:48,661 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 09:51:48,667 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 09:51:48,667 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 09:51:48,667 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 09:51:48,741 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-20 09:51:48,786 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 09:51:48,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 09:51:48,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:51:48,789 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 09:51:48,791 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 09:51:48,817 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 09:51:48,835 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 09:51:48,842 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;@39d1a055, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 09:51:48,842 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-20 09:51:48,932 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 09:51:48,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:51:48,935 INFO L85 PathProgramCache]: Analyzing trace with hash 2135783435, now seen corresponding path program 1 times [2023-05-20 09:51:48,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:51:48,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832722129] [2023-05-20 09:51:48,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:51:48,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:51:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:51:49,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 09:51:49,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:51:49,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832722129] [2023-05-20 09:51:49,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832722129] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 09:51:49,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 09:51:49,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 09:51:49,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760413895] [2023-05-20 09:51:49,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 09:51:49,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 09:51:49,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:51:49,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 09:51:49,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 09:51:49,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:51:49,155 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:51:49,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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 09:51:49,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:51:49,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:51:49,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 09:51:49,189 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 09:51:49,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:51:49,189 INFO L85 PathProgramCache]: Analyzing trace with hash 837579782, now seen corresponding path program 1 times [2023-05-20 09:51:49,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:51:49,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646036667] [2023-05-20 09:51:49,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:51:49,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:51:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:51:49,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 09:51:49,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:51:49,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646036667] [2023-05-20 09:51:49,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646036667] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 09:51:49,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 09:51:49,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-20 09:51:49,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988547023] [2023-05-20 09:51:49,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 09:51:49,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 09:51:49,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:51:49,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 09:51:49,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-20 09:51:49,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:51:49,356 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:51:49,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 09:51:49,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:51:49,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:51:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:51:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:51:49,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 09:51:49,449 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 09:51:49,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:51:49,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1447967022, now seen corresponding path program 1 times [2023-05-20 09:51:49,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:51:49,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507872712] [2023-05-20 09:51:49,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:51:49,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:51:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:51:49,589 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 09:51:49,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:51:49,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507872712] [2023-05-20 09:51:49,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507872712] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:51:49,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701041696] [2023-05-20 09:51:49,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:51:49,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:51:49,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:51:49,605 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 09:51:49,625 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 09:51:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:51:49,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-20 09:51:49,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:51:49,763 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 09:51:49,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:51:49,818 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 09:51:49,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701041696] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:51:49,822 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:51:49,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-05-20 09:51:49,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098023549] [2023-05-20 09:51:49,823 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:51:49,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-20 09:51:49,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:51:49,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-20 09:51:49,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-05-20 09:51:49,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:51:49,825 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:51:49,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 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 09:51:49,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:51:49,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:51:49,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:51:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:51:49,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:51:49,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:51:49,926 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 09:51:50,109 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 09:51:50,109 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 09:51:50,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:51:50,110 INFO L85 PathProgramCache]: Analyzing trace with hash -482848166, now seen corresponding path program 1 times [2023-05-20 09:51:50,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:51:50,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301236932] [2023-05-20 09:51:50,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:51:50,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:51:50,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:51:50,242 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 09:51:50,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:51:50,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301236932] [2023-05-20 09:51:50,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301236932] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:51:50,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685411281] [2023-05-20 09:51:50,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:51:50,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:51:50,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:51:50,245 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 09:51:50,289 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 09:51:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:51:50,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-20 09:51:50,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:51:50,438 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 09:51:50,438 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:51:50,554 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 09:51:50,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685411281] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:51:50,555 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:51:50,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2023-05-20 09:51:50,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566621596] [2023-05-20 09:51:50,555 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:51:50,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-20 09:51:50,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:51:50,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-20 09:51:50,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-05-20 09:51:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:51:50,556 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:51:50,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 11 states have internal predecessors, (89), 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 09:51:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:51:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:51:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:51:50,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:51:50,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:51:50,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:51:50,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:51:50,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 09:51:50,679 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 09:51:50,872 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 09:51:50,873 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 09:51:50,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:51:50,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1260623124, now seen corresponding path program 1 times [2023-05-20 09:51:50,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:51:50,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451844861] [2023-05-20 09:51:50,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:51:50,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:51:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:51:51,091 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 09:51:51,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:51:51,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451844861] [2023-05-20 09:51:51,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451844861] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:51:51,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533505043] [2023-05-20 09:51:51,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:51:51,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:51:51,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:51:51,093 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 09:51:51,117 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 09:51:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:51:51,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-20 09:51:51,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:51:51,261 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 09:51:51,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:51:51,439 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 09:51:51,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533505043] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:51:51,440 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:51:51,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 19 [2023-05-20 09:51:51,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710066739] [2023-05-20 09:51:51,440 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:51:51,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-20 09:51:51,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:51:51,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-20 09:51:51,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2023-05-20 09:51:51,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:51:51,442 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:51:51,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.7894736842105265) internal successors, (129), 19 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 09:51:51,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:51:51,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:51:51,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:51:51,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-20 09:51:51,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:51:51,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:51:51,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:51:51,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:51:51,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 09:51:51,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 09:51:51,607 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 09:51:51,807 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 09:51:51,807 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 09:51:51,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:51:51,808 INFO L85 PathProgramCache]: Analyzing trace with hash -759134594, now seen corresponding path program 2 times [2023-05-20 09:51:51,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:51:51,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519644782] [2023-05-20 09:51:51,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:51:51,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:51:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:51:51,967 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 104 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 09:51:51,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:51:51,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519644782] [2023-05-20 09:51:51,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519644782] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:51:51,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094233289] [2023-05-20 09:51:51,967 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 09:51:51,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:51:51,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:51:51,981 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 09:51:52,010 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 09:51:52,063 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 09:51:52,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 09:51:52,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-20 09:51:52,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:51:52,143 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 09:51:52,144 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 09:51:52,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094233289] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 09:51:52,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 09:51:52,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 15 [2023-05-20 09:51:52,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883711161] [2023-05-20 09:51:52,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 09:51:52,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-05-20 09:51:52,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:51:52,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-05-20 09:51:52,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2023-05-20 09:51:52,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:51:52,146 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:51:52,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 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 09:51:52,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:51:52,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:51:52,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:51:52,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-20 09:51:52,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 09:51:52,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:51:52,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:51:52,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:51:52,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:51:52,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 09:51:52,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:51:52,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:51:52,453 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-05-20 09:51:52,657 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 09:51:52,657 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 09:51:52,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:51:52,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1120801800, now seen corresponding path program 3 times [2023-05-20 09:51:52,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:51:52,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879749991] [2023-05-20 09:51:52,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:51:52,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:51:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 09:51:52,820 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 09:51:52,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 09:51:52,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879749991] [2023-05-20 09:51:52,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879749991] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 09:51:52,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525569693] [2023-05-20 09:51:52,821 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 09:51:52,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 09:51:52,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 09:51:52,822 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 09:51:52,847 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 09:51:52,880 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-05-20 09:51:52,880 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 09:51:52,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-20 09:51:52,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 09:51:52,957 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 09:51:52,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 09:51:53,095 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 09:51:53,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525569693] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 09:51:53,095 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 09:51:53,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 19 [2023-05-20 09:51:53,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589730623] [2023-05-20 09:51:53,096 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 09:51:53,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-20 09:51:53,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 09:51:53,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-20 09:51:53,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2023-05-20 09:51:53,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:51:53,097 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 09:51:53,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.842105263157895) internal successors, (130), 19 states have internal predecessors, (130), 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 09:51:53,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:51:53,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:51:53,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:51:53,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 09:51:53,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:51:53,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:51:53,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:51:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 09:51:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 09:51:53,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 09:51:53,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 09:51:53,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 09:51:53,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 09:51:53,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 09:51:53,513 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 09:51:53,709 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 09:51:53,709 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 09:51:53,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 09:51:53,709 INFO L85 PathProgramCache]: Analyzing trace with hash -113293240, now seen corresponding path program 1 times [2023-05-20 09:51:53,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 09:51:53,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116897399] [2023-05-20 09:51:53,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 09:51:53,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 09:51:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-20 09:51:53,723 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-05-20 09:51:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-20 09:51:53,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-05-20 09:51:53,770 INFO L359 BasicCegarLoop]: Counterexample is feasible [2023-05-20 09:51:53,770 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-20 09:51:53,772 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-20 09:51:53,772 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-20 09:51:53,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-05-20 09:51:53,776 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1] [2023-05-20 09:51:53,779 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 09:51:53,779 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 09:51:53,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 09:51:53 BasicIcfg [2023-05-20 09:51:53,840 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 09:51:53,840 INFO L158 Benchmark]: Toolchain (without parser) took 5959.84ms. Allocated memory was 177.2MB in the beginning and 292.6MB in the end (delta: 115.3MB). Free memory was 119.6MB in the beginning and 242.7MB in the end (delta: -123.2MB). Peak memory consumption was 110.1MB. Max. memory is 8.0GB. [2023-05-20 09:51:53,841 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 177.2MB. Free memory is still 137.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 09:51:53,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.46ms. Allocated memory is still 177.2MB. Free memory was 119.4MB in the beginning and 142.1MB in the end (delta: -22.7MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. [2023-05-20 09:51:53,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.50ms. Allocated memory is still 177.2MB. Free memory was 142.1MB in the beginning and 140.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 09:51:53,841 INFO L158 Benchmark]: Boogie Preprocessor took 27.98ms. Allocated memory is still 177.2MB. Free memory was 140.1MB in the beginning and 138.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 09:51:53,841 INFO L158 Benchmark]: RCFGBuilder took 259.64ms. Allocated memory is still 177.2MB. Free memory was 138.7MB in the beginning and 126.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-05-20 09:51:53,842 INFO L158 Benchmark]: TraceAbstraction took 5187.02ms. Allocated memory was 177.2MB in the beginning and 292.6MB in the end (delta: 115.3MB). Free memory was 124.8MB in the beginning and 242.7MB in the end (delta: -118.0MB). Peak memory consumption was 115.4MB. Max. memory is 8.0GB. [2023-05-20 09:51:53,843 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 177.2MB. Free memory is still 137.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 433.46ms. Allocated memory is still 177.2MB. Free memory was 119.4MB in the beginning and 142.1MB in the end (delta: -22.7MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.50ms. Allocated memory is still 177.2MB. Free memory was 142.1MB in the beginning and 140.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.98ms. Allocated memory is still 177.2MB. Free memory was 140.1MB in the beginning and 138.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 259.64ms. Allocated memory is still 177.2MB. Free memory was 138.7MB in the beginning and 126.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 5187.02ms. Allocated memory was 177.2MB in the beginning and 292.6MB in the end (delta: 115.3MB). Free memory was 124.8MB in the beginning and 242.7MB in the end (delta: -118.0MB). Peak memory consumption was 115.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10630, independent: 9303, independent conditional: 8188, independent unconditional: 1115, dependent: 1327, dependent conditional: 1320, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9390, independent: 9303, independent conditional: 8188, independent unconditional: 1115, dependent: 87, dependent conditional: 80, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9390, independent: 9303, independent conditional: 8188, independent unconditional: 1115, dependent: 87, dependent conditional: 80, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10172, independent: 9303, independent conditional: 339, independent unconditional: 8964, dependent: 869, dependent conditional: 443, dependent unconditional: 426, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10172, independent: 9303, independent conditional: 339, independent unconditional: 8964, dependent: 869, dependent conditional: 177, dependent unconditional: 692, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10172, independent: 9303, independent conditional: 339, independent unconditional: 8964, dependent: 869, dependent conditional: 177, dependent unconditional: 692, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1013, independent: 959, independent conditional: 30, independent unconditional: 929, dependent: 54, dependent conditional: 47, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1013, independent: 928, independent conditional: 0, independent unconditional: 928, dependent: 85, dependent conditional: 0, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 85, independent: 31, independent conditional: 30, independent unconditional: 1, dependent: 54, dependent conditional: 47, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 85, independent: 31, independent conditional: 30, independent unconditional: 1, dependent: 54, dependent conditional: 47, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, independent: 75, independent conditional: 41, independent unconditional: 33, dependent: 84, dependent conditional: 50, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10172, independent: 8344, independent conditional: 309, independent unconditional: 8035, dependent: 815, dependent conditional: 130, dependent unconditional: 685, unknown: 1013, unknown conditional: 77, unknown unconditional: 936] , Statistics on independence cache: Total cache size (in pairs): 1013, Positive cache size: 959, Positive conditional cache size: 30, Positive unconditional cache size: 929, Negative cache size: 54, Negative conditional cache size: 47, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 266, Maximal queried relation: 5, Independence queries for same thread: 1240 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 271, Number of trivial persistent sets: 170, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1122, independent: 1115, independent conditional: 0, independent unconditional: 1115, 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: 10630, independent: 9303, independent conditional: 8188, independent unconditional: 1115, dependent: 1327, dependent conditional: 1320, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9390, independent: 9303, independent conditional: 8188, independent unconditional: 1115, dependent: 87, dependent conditional: 80, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9390, independent: 9303, independent conditional: 8188, independent unconditional: 1115, dependent: 87, dependent conditional: 80, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10172, independent: 9303, independent conditional: 339, independent unconditional: 8964, dependent: 869, dependent conditional: 443, dependent unconditional: 426, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10172, independent: 9303, independent conditional: 339, independent unconditional: 8964, dependent: 869, dependent conditional: 177, dependent unconditional: 692, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10172, independent: 9303, independent conditional: 339, independent unconditional: 8964, dependent: 869, dependent conditional: 177, dependent unconditional: 692, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1013, independent: 959, independent conditional: 30, independent unconditional: 929, dependent: 54, dependent conditional: 47, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1013, independent: 928, independent conditional: 0, independent unconditional: 928, dependent: 85, dependent conditional: 0, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 85, independent: 31, independent conditional: 30, independent unconditional: 1, dependent: 54, dependent conditional: 47, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 85, independent: 31, independent conditional: 30, independent unconditional: 1, dependent: 54, dependent conditional: 47, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, independent: 75, independent conditional: 41, independent unconditional: 33, dependent: 84, dependent conditional: 50, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10172, independent: 8344, independent conditional: 309, independent unconditional: 8035, dependent: 815, dependent conditional: 130, dependent unconditional: 685, unknown: 1013, unknown conditional: 77, unknown unconditional: 936] , Statistics on independence cache: Total cache size (in pairs): 1013, Positive cache size: 959, Positive conditional cache size: 30, Positive unconditional cache size: 929, Negative cache size: 54, Negative conditional cache size: 47, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 266, Maximal queried relation: 5, Independence queries for same thread: 1240 - CounterExampleResult [Line: 722]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L694] 0 int i = 3, j = 6; VAL [i=3, j=6] [L712] 0 pthread_t id1, id2; VAL [\old(argc)=49, argc=49, argv={51:50}, argv={51:50}, i=3, id1={5:0}, id2={3:0}, j=6] [L713] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [\old(argc)=49, arg={0:0}, argc=49, argv={51:50}, argv={51:50}, i=3, id1={5:0}, id2={3:0}, j=6, pthread_create(&id1, ((void *)0), t1, ((void *)0))=6] [L696] 1 int k = 0; VAL [arg={0:0}, arg={0:0}, i=3, j=6, k=0] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, i=3, j=6, k=0] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, i=7, j=6, k=0] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, i=7, j=6, k=0, k++=0] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, i=7, j=6, k=1, k++=0] [L714] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [\old(argc)=49, arg={0:0}, arg={0:0}, arg={0:0}, argc=49, argv={51:50}, argv={51:50}, i=7, id1={5:0}, id2={3:0}, j=6, k=1, k++=0, pthread_create(&id2, ((void *)0), t2, ((void *)0))=7] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=1] [L704] 2 int k = 0; VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=1, k=0] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=0, k=1] [L716] 0 int condI = i >= (2*5 +6); VAL [\old(argc)=49, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, argc=49, argv={51:50}, argv={51:50}, condI=0, i=7, id1={5:0}, id2={3:0}, j=6, k=0, k=1] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=0, k=1] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=1, k=0] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=1, k=0, k++=0] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=0, k=1, k++=1, k++=0] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=1, k=1, k++=1, k++=0] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=2, k=1, k++=1, k++=0] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=2, k=1] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=2, k=1] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=1, k=2] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=1, k=2] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=2, k=1, k++=1] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=1, k=2, k++=2, k++=1] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=2, k=2, k++=2, k++=1] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=2, k=3, k++=2, k++=1] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=2, k=3] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=3, k=2] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=2, k=3] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=3, k=2] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=3, k=2, k++=2] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=2, k=3, k++=3, k++=2] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=3, k=3, k++=3, k++=2] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=4, k=3, k++=3, k++=2] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=3, k=4] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=4, k=3] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=3, k=4] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=3, k=4] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=3, k=4, k++=3] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=4, k=3, k++=4, k++=3] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=4, k=4, k++=4, k++=3] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=4, k=5, k++=4, k++=3] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=4, k=5] [L696] COND FALSE 1 !(k < 5) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=5, k=4] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=4, k=5] [L719] 0 int condJ = j >= (2*5 +6); VAL [\old(argc)=49, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, argc=49, argv={51:50}, argv={51:50}, condI=0, condJ=1, i=15, id1={5:0}, id2={3:0}, j=16, k=5, k=4] [L704] 2 k++ VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=5, k=4, k++=4] [L721] COND TRUE 0 condI || condJ VAL [\old(argc)=49, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, argc=49, argv={51:50}, argv={51:50}, condI=0, condJ=1, i=15, id1={5:0}, id2={3:0}, j=16, k=5, k=4, k++=4] [L704] 2 k++ VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=5, k=5, k++=4] [L722] 0 reach_error() VAL [\old(argc)=49, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, argc=49, argv={51:50}, argv={51:50}, condI=0, condJ=1, i=15, id1={5:0}, id2={3:0}, j=16, k=5, k=5, k++=4] - UnprovableResult [Line: 713]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 88 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.2s, 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: 89, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 867 NumberOfCodeBlocks, 867 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1010 ConstructedInterpolants, 0 QuantifiedInterpolants, 2730 SizeOfPredicates, 29 NumberOfNonLiveVariables, 851 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 16 InterpolantComputations, 3 PerfectInterpolantSequences, 276/518 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 proved your program to be incorrect! [2023-05-20 09:51:53,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-05-20 09:51:54,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...