/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_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-218013a [2023-05-04 07:45:29,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 07:45:29,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 07:45:29,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 07:45:29,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 07:45:29,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 07:45:29,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 07:45:29,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 07:45:29,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 07:45:29,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 07:45:29,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 07:45:29,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 07:45:29,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 07:45:29,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 07:45:29,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 07:45:29,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 07:45:29,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 07:45:29,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 07:45:29,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 07:45:29,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 07:45:29,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 07:45:29,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 07:45:29,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 07:45:29,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 07:45:29,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 07:45:29,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 07:45:29,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 07:45:29,689 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 07:45:29,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 07:45:29,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 07:45:29,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 07:45:29,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 07:45:29,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 07:45:29,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 07:45:29,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 07:45:29,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 07:45:29,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 07:45:29,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 07:45:29,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 07:45:29,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 07:45:29,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 07:45:29,696 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 07:45:29,712 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 07:45:29,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 07:45:29,713 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 07:45:29,713 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 07:45:29,714 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 07:45:29,714 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 07:45:29,715 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 07:45:29,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 07:45:29,715 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 07:45:29,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 07:45:29,715 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 07:45:29,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 07:45:29,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 07:45:29,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 07:45:29,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 07:45:29,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 07:45:29,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 07:45:29,716 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 07:45:29,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 07:45:29,716 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 07:45:29,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 07:45:29,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 07:45:29,717 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 07:45:29,717 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 07:45:29,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 07:45:29,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 07:45:29,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 07:45:29,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 07:45:29,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 07:45:29,717 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 07:45:29,717 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 07:45:29,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 07:45:29,718 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 07:45:29,718 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 07:45:29,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 07:45:29,718 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 07:45:29,718 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-04 07:45:29,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 07:45:29,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 07:45:29,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 07:45:29,935 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 07:45:29,937 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 07:45:29,937 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/triangular-2.i [2023-05-04 07:45:29,993 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f2d2f7ce/ab26e52c06504f61bedbdb66b4844538/FLAGd494c15fc [2023-05-04 07:45:30,423 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 07:45:30,423 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-2.i [2023-05-04 07:45:30,436 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f2d2f7ce/ab26e52c06504f61bedbdb66b4844538/FLAGd494c15fc [2023-05-04 07:45:30,445 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f2d2f7ce/ab26e52c06504f61bedbdb66b4844538 [2023-05-04 07:45:30,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 07:45:30,448 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 07:45:30,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 07:45:30,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 07:45:30,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 07:45:30,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:45:30" (1/1) ... [2023-05-04 07:45:30,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b96902e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:45:30, skipping insertion in model container [2023-05-04 07:45:30,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:45:30" (1/1) ... [2023-05-04 07:45:30,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 07:45:30,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 07:45:30,734 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] [2023-05-04 07:45:30,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 07:45:30,743 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 07:45:30,772 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] [2023-05-04 07:45:30,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 07:45:30,796 INFO L208 MainTranslator]: Completed translation [2023-05-04 07:45:30,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:45:30 WrapperNode [2023-05-04 07:45:30,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 07:45:30,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 07:45:30,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 07:45:30,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 07:45:30,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:45:30" (1/1) ... [2023-05-04 07:45:30,821 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:45:30" (1/1) ... [2023-05-04 07:45:30,833 INFO L138 Inliner]: procedures = 169, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2023-05-04 07:45:30,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 07:45:30,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 07:45:30,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 07:45:30,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 07:45:30,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:45:30" (1/1) ... [2023-05-04 07:45:30,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:45:30" (1/1) ... [2023-05-04 07:45:30,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:45:30" (1/1) ... [2023-05-04 07:45:30,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:45:30" (1/1) ... [2023-05-04 07:45:30,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:45:30" (1/1) ... [2023-05-04 07:45:30,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:45:30" (1/1) ... [2023-05-04 07:45:30,860 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:45:30" (1/1) ... [2023-05-04 07:45:30,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:45:30" (1/1) ... [2023-05-04 07:45:30,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 07:45:30,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 07:45:30,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 07:45:30,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 07:45:30,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:45:30" (1/1) ... [2023-05-04 07:45:30,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 07:45:30,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:45:30,887 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-04 07:45:30,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-04 07:45:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-05-04 07:45:30,921 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-05-04 07:45:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-05-04 07:45:30,921 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-05-04 07:45:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 07:45:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 07:45:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 07:45:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 07:45:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 07:45:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 07:45:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 07:45:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 07:45:30,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 07:45:30,923 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 07:45:31,060 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 07:45:31,061 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 07:45:31,176 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 07:45:31,180 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 07:45:31,180 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-04 07:45:31,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:45:31 BoogieIcfgContainer [2023-05-04 07:45:31,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 07:45:31,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 07:45:31,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 07:45:31,190 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 07:45:31,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 07:45:30" (1/3) ... [2023-05-04 07:45:31,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f580e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:45:31, skipping insertion in model container [2023-05-04 07:45:31,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:45:30" (2/3) ... [2023-05-04 07:45:31,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f580e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:45:31, skipping insertion in model container [2023-05-04 07:45:31,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:45:31" (3/3) ... [2023-05-04 07:45:31,195 INFO L112 eAbstractionObserver]: Analyzing ICFG triangular-2.i [2023-05-04 07:45:31,201 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 07:45:31,207 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 07:45:31,207 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 07:45:31,207 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 07:45:31,271 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-04 07:45:31,308 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 07:45:31,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 07:45:31,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:45:31,310 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 07:45:31,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-04 07:45:31,346 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 07:45:31,373 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 07:45:31,382 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;@31c12962, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 07:45:31,382 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 07:45:31,481 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:45:31,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:45:31,485 INFO L85 PathProgramCache]: Analyzing trace with hash 2013224529, now seen corresponding path program 1 times [2023-05-04 07:45:31,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:45:31,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000055186] [2023-05-04 07:45:31,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:45:31,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:45:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:45:31,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:45:31,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:45:31,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000055186] [2023-05-04 07:45:31,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000055186] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 07:45:31,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 07:45:31,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 07:45:31,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506074129] [2023-05-04 07:45:31,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:45:31,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 07:45:31,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:45:31,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 07:45:31,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 07:45:31,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:45:31,737 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:45:31,740 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) [2023-05-04 07:45:31,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:45:31,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:45:31,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 07:45:31,763 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:45:31,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:45:31,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1604400304, now seen corresponding path program 1 times [2023-05-04 07:45:31,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:45:31,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498771868] [2023-05-04 07:45:31,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:45:31,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:45:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:45:31,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:45:31,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:45:31,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498771868] [2023-05-04 07:45:31,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498771868] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 07:45:31,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 07:45:31,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 07:45:31,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367713846] [2023-05-04 07:45:31,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:45:31,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 07:45:31,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:45:31,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 07:45:31,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 07:45:31,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:45:31,886 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:45:31,886 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) [2023-05-04 07:45:31,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:45:31,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:45:31,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:45:31,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:45:31,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 07:45:31,959 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:45:31,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:45:31,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1631179164, now seen corresponding path program 1 times [2023-05-04 07:45:31,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:45:31,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126777346] [2023-05-04 07:45:31,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:45:31,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:45:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:45:32,058 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 07:45:32,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:45:32,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126777346] [2023-05-04 07:45:32,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126777346] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:45:32,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448953621] [2023-05-04 07:45:32,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:45:32,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:45:32,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:45:32,060 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 07:45:32,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 07:45:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:45:32,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-04 07:45:32,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:45:32,231 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 07:45:32,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:45:32,289 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 07:45:32,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448953621] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:45:32,290 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:45:32,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-05-04 07:45:32,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276632307] [2023-05-04 07:45:32,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:45:32,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-04 07:45:32,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:45:32,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-04 07:45:32,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-05-04 07:45:32,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:45:32,292 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:45:32,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:45:32,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:45:32,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:45:32,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:45:32,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:45:32,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:45:32,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 07:45:32,381 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-04 07:45:32,572 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 [2023-05-04 07:45:32,573 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:45:32,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:45:32,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1418451608, now seen corresponding path program 1 times [2023-05-04 07:45:32,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:45:32,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580702210] [2023-05-04 07:45:32,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:45:32,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:45:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:45:32,821 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 52 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:45:32,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:45:32,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580702210] [2023-05-04 07:45:32,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580702210] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:45:32,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008503374] [2023-05-04 07:45:32,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:45:32,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:45:32,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:45:32,823 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 07:45:32,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 07:45:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:45:32,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-04 07:45:32,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:45:32,976 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:45:32,977 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 07:45:32,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008503374] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 07:45:32,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 07:45:32,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 15 [2023-05-04 07:45:32,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525340074] [2023-05-04 07:45:32,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:45:32,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-05-04 07:45:32,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:45:32,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-05-04 07:45:32,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2023-05-04 07:45:32,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:45:32,979 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:45:32,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.0) internal successors, (78), 13 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:45:32,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:45:32,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:45:32,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 07:45:32,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:45:33,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:45:33,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:45:33,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 07:45:33,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-04 07:45:33,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 07:45:33,332 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 [2023-05-04 07:45:33,332 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:45:33,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:45:33,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1023230941, now seen corresponding path program 1 times [2023-05-04 07:45:33,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:45:33,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843977921] [2023-05-04 07:45:33,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:45:33,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:45:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:45:33,582 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-04 07:45:33,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:45:33,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843977921] [2023-05-04 07:45:33,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843977921] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:45:33,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193006359] [2023-05-04 07:45:33,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:45:33,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:45:33,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:45:33,584 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 07:45:33,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 07:45:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:45:33,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-04 07:45:33,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:45:33,790 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-04 07:45:33,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:45:33,994 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-04 07:45:33,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193006359] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:45:33,995 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:45:33,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 17 [2023-05-04 07:45:33,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910170681] [2023-05-04 07:45:33,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:45:33,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-05-04 07:45:33,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:45:33,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-05-04 07:45:33,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2023-05-04 07:45:33,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:45:33,998 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:45:33,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 7.529411764705882) internal successors, (128), 17 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:45:33,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:45:33,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:45:33,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 07:45:33,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-04 07:45:33,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:45:34,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:45:34,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:45:34,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 07:45:34,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-04 07:45:34,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 07:45:34,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 07:45:34,657 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 [2023-05-04 07:45:34,658 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:45:34,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:45:34,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1520219823, now seen corresponding path program 2 times [2023-05-04 07:45:34,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:45:34,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933969286] [2023-05-04 07:45:34,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:45:34,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:45:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:45:34,772 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-04 07:45:34,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:45:34,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933969286] [2023-05-04 07:45:34,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933969286] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:45:34,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469358267] [2023-05-04 07:45:34,774 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 07:45:34,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:45:34,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:45:34,779 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 07:45:34,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 07:45:34,847 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 07:45:34,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 07:45:34,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-04 07:45:34,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:45:34,924 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-04 07:45:34,925 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:45:35,012 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-04 07:45:35,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469358267] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:45:35,013 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:45:35,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 13 [2023-05-04 07:45:35,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321655770] [2023-05-04 07:45:35,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:45:35,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-05-04 07:45:35,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:45:35,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-05-04 07:45:35,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-05-04 07:45:35,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:45:35,015 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:45:35,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.6923076923076925) internal successors, (100), 13 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:45:35,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:45:35,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:45:35,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 07:45:35,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-04 07:45:35,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 07:45:35,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:45:35,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:45:35,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:45:35,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 07:45:35,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-04 07:45:35,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 07:45:35,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 07:45:35,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 07:45:35,386 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 [2023-05-04 07:45:35,386 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:45:35,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:45:35,387 INFO L85 PathProgramCache]: Analyzing trace with hash -135739489, now seen corresponding path program 3 times [2023-05-04 07:45:35,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:45:35,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272377890] [2023-05-04 07:45:35,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:45:35,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:45:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:45:35,557 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 5 proven. 98 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 07:45:35,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:45:35,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272377890] [2023-05-04 07:45:35,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272377890] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:45:35,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935085018] [2023-05-04 07:45:35,558 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 07:45:35,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:45:35,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:45:35,559 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 07:45:35,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 07:45:35,623 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-05-04 07:45:35,623 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 07:45:35,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-04 07:45:35,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:45:35,720 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 5 proven. 98 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 07:45:35,720 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:45:35,855 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 07:45:35,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935085018] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:45:35,890 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:45:35,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 17 [2023-05-04 07:45:35,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019355431] [2023-05-04 07:45:35,890 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:45:35,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-05-04 07:45:35,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:45:35,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-05-04 07:45:35,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2023-05-04 07:45:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:45:35,891 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:45:35,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.411764705882353) internal successors, (143), 17 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:45:35,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:45:35,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:45:35,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 07:45:35,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-04 07:45:35,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 07:45:35,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 07:45:35,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:45:36,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:45:36,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:45:36,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 07:45:36,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-04 07:45:36,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 07:45:36,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 07:45:36,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 07:45:36,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 07:45:36,702 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 [2023-05-04 07:45:36,703 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:45:36,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:45:36,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1979294265, now seen corresponding path program 4 times [2023-05-04 07:45:36,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:45:36,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89723554] [2023-05-04 07:45:36,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:45:36,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:45:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-04 07:45:36,717 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-05-04 07:45:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-04 07:45:36,749 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-05-04 07:45:36,749 INFO L359 BasicCegarLoop]: Counterexample is feasible [2023-05-04 07:45:36,750 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 07:45:36,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 07:45:36,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 07:45:36,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-05-04 07:45:36,755 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1] [2023-05-04 07:45:36,758 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 07:45:36,758 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 07:45:36,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 07:45:36 BasicIcfg [2023-05-04 07:45:36,802 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 07:45:36,802 INFO L158 Benchmark]: Toolchain (without parser) took 6354.27ms. Allocated memory was 186.6MB in the beginning and 349.2MB in the end (delta: 162.5MB). Free memory was 152.7MB in the beginning and 145.2MB in the end (delta: 7.5MB). Peak memory consumption was 170.0MB. Max. memory is 8.0GB. [2023-05-04 07:45:36,802 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 186.6MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 07:45:36,802 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.37ms. Allocated memory was 186.6MB in the beginning and 290.5MB in the end (delta: 103.8MB). Free memory was 152.7MB in the beginning and 248.7MB in the end (delta: -96.0MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-05-04 07:45:36,803 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.73ms. Allocated memory is still 290.5MB. Free memory was 248.7MB in the beginning and 246.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 07:45:36,803 INFO L158 Benchmark]: Boogie Preprocessor took 29.29ms. Allocated memory is still 290.5MB. Free memory was 246.6MB in the beginning and 245.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 07:45:36,803 INFO L158 Benchmark]: RCFGBuilder took 318.76ms. Allocated memory is still 290.5MB. Free memory was 245.0MB in the beginning and 231.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-05-04 07:45:36,803 INFO L158 Benchmark]: TraceAbstraction took 5617.92ms. Allocated memory was 290.5MB in the beginning and 349.2MB in the end (delta: 58.7MB). Free memory was 230.9MB in the beginning and 145.2MB in the end (delta: 85.6MB). Peak memory consumption was 145.4MB. Max. memory is 8.0GB. [2023-05-04 07:45:36,804 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 186.6MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 348.37ms. Allocated memory was 186.6MB in the beginning and 290.5MB in the end (delta: 103.8MB). Free memory was 152.7MB in the beginning and 248.7MB in the end (delta: -96.0MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.73ms. Allocated memory is still 290.5MB. Free memory was 248.7MB in the beginning and 246.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.29ms. Allocated memory is still 290.5MB. Free memory was 246.6MB in the beginning and 245.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 318.76ms. Allocated memory is still 290.5MB. Free memory was 245.0MB in the beginning and 231.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 5617.92ms. Allocated memory was 290.5MB in the beginning and 349.2MB in the end (delta: 58.7MB). Free memory was 230.9MB in the beginning and 145.2MB in the end (delta: 85.6MB). Peak memory consumption was 145.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28455, independent: 22443, independent conditional: 21371, independent unconditional: 1072, dependent: 6012, dependent conditional: 6005, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22635, independent: 22443, independent conditional: 21371, independent unconditional: 1072, dependent: 192, dependent conditional: 185, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 22635, independent: 22443, independent conditional: 21371, independent unconditional: 1072, dependent: 192, dependent conditional: 185, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23944, independent: 22443, independent conditional: 448, independent unconditional: 21995, dependent: 1501, dependent conditional: 861, dependent unconditional: 640, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23944, independent: 22443, independent conditional: 448, independent unconditional: 21995, dependent: 1501, dependent conditional: 275, dependent unconditional: 1226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23944, independent: 22443, independent conditional: 448, independent unconditional: 21995, dependent: 1501, dependent conditional: 275, dependent unconditional: 1226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1031, independent: 968, independent conditional: 29, independent unconditional: 939, dependent: 63, dependent conditional: 56, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1031, independent: 938, independent conditional: 0, independent unconditional: 938, dependent: 93, dependent conditional: 0, dependent unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 93, independent: 30, independent conditional: 29, independent unconditional: 1, dependent: 63, dependent conditional: 56, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 93, independent: 30, independent conditional: 29, independent unconditional: 1, dependent: 63, dependent conditional: 56, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 164, independent: 83, independent conditional: 38, independent unconditional: 46, dependent: 81, dependent conditional: 64, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 23944, independent: 21475, independent conditional: 419, independent unconditional: 21056, dependent: 1438, dependent conditional: 219, dependent unconditional: 1219, unknown: 1031, unknown conditional: 85, unknown unconditional: 946] , Statistics on independence cache: Total cache size (in pairs): 1031, Positive cache size: 968, Positive conditional cache size: 29, Positive unconditional cache size: 939, Negative cache size: 63, Negative conditional cache size: 56, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 586, Maximal queried relation: 5, Independence queries for same thread: 5820 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 371, Number of trivial persistent sets: 242, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1079, independent: 1072, independent conditional: 0, independent unconditional: 1072, 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: 28455, independent: 22443, independent conditional: 21371, independent unconditional: 1072, dependent: 6012, dependent conditional: 6005, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22635, independent: 22443, independent conditional: 21371, independent unconditional: 1072, dependent: 192, dependent conditional: 185, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 22635, independent: 22443, independent conditional: 21371, independent unconditional: 1072, dependent: 192, dependent conditional: 185, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23944, independent: 22443, independent conditional: 448, independent unconditional: 21995, dependent: 1501, dependent conditional: 861, dependent unconditional: 640, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23944, independent: 22443, independent conditional: 448, independent unconditional: 21995, dependent: 1501, dependent conditional: 275, dependent unconditional: 1226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23944, independent: 22443, independent conditional: 448, independent unconditional: 21995, dependent: 1501, dependent conditional: 275, dependent unconditional: 1226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1031, independent: 968, independent conditional: 29, independent unconditional: 939, dependent: 63, dependent conditional: 56, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1031, independent: 938, independent conditional: 0, independent unconditional: 938, dependent: 93, dependent conditional: 0, dependent unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 93, independent: 30, independent conditional: 29, independent unconditional: 1, dependent: 63, dependent conditional: 56, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 93, independent: 30, independent conditional: 29, independent unconditional: 1, dependent: 63, dependent conditional: 56, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 164, independent: 83, independent conditional: 38, independent unconditional: 46, dependent: 81, dependent conditional: 64, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 23944, independent: 21475, independent conditional: 419, independent unconditional: 21056, dependent: 1438, dependent conditional: 219, dependent unconditional: 1219, unknown: 1031, unknown conditional: 85, unknown unconditional: 946] , Statistics on independence cache: Total cache size (in pairs): 1031, Positive cache size: 968, Positive conditional cache size: 29, Positive unconditional cache size: 939, Negative cache size: 63, Negative conditional cache size: 56, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 586, Maximal queried relation: 5, Independence queries for same thread: 5820 - 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] [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=0, pthread_create(&id2, ((void *)0), t2, ((void *)0))=7] [L704] 2 int k = 0; VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=0, 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=0] [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=0] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=0, k=1] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=1, k=0] [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=8, k=0, k=1] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=1, k=1] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=1, 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=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=1] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=2, k=1] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=2, k=1] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=2, k=2] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=2, 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=2, 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=2] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=3, k=2] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=3, k=2] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=3, k=3] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=3, 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=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=3] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=4, k=3] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=3, k=4] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=4, k=4] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=4, 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=4, 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=4] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=4, k=5] [L704] COND FALSE 2 !(k < 5) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=5, k=4] [L719] 0 int condJ = j >= (2*5 +6); 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] [L696] 1 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] [L696] COND FALSE 1 !(k < 5) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=5, k=5] [L721] COND TRUE 0 condI || condJ VAL [\old(argc)=49, \result={0:0}, \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] [L722] 0 reach_error() VAL [\old(argc)=49, \result={0:0}, \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] - 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: 5.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 1.6s, 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: 103, 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, 2.0s InterpolantComputationTime, 989 NumberOfCodeBlocks, 989 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1202 ConstructedInterpolants, 0 QuantifiedInterpolants, 3419 SizeOfPredicates, 33 NumberOfNonLiveVariables, 949 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 16 InterpolantComputations, 3 PerfectInterpolantSequences, 239/951 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! [2023-05-04 07:45:36,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-04 07:45:37,038 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...