/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/weaver/chl-match-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 08:54:49,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 08:54:49,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 08:54:49,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 08:54:49,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 08:54:49,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 08:54:49,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 08:54:49,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 08:54:49,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 08:54:49,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 08:54:49,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 08:54:49,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 08:54:49,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 08:54:49,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 08:54:49,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 08:54:49,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 08:54:49,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 08:54:49,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 08:54:49,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 08:54:49,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 08:54:49,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 08:54:49,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 08:54:49,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 08:54:49,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 08:54:49,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 08:54:49,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 08:54:49,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 08:54:49,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 08:54:49,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 08:54:49,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 08:54:49,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 08:54:49,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 08:54:49,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 08:54:49,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 08:54:49,458 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 08:54:49,458 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 08:54:49,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 08:54:49,459 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 08:54:49,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 08:54:49,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 08:54:49,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 08:54:49,468 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 08:54:49,486 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 08:54:49,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 08:54:49,486 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 08:54:49,486 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 08:54:49,487 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 08:54:49,487 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 08:54:49,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 08:54:49,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 08:54:49,488 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 08:54:49,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 08:54:49,488 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 08:54:49,488 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 08:54:49,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 08:54:49,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 08:54:49,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 08:54:49,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 08:54:49,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 08:54:49,489 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 08:54:49,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 08:54:49,489 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 08:54:49,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 08:54:49,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 08:54:49,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 08:54:49,489 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 08:54:49,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 08:54:49,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 08:54:49,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 08:54:49,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 08:54:49,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 08:54:49,493 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 08:54:49,493 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 08:54:49,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 08:54:49,493 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 08:54:49,493 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 08:54:49,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 08:54:49,494 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 08:54:49,494 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-04 08:54:49,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 08:54:49,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 08:54:49,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 08:54:49,717 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 08:54:49,718 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 08:54:49,719 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-match-symm.wvr.c [2023-05-04 08:54:49,777 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a691f8e4/cdb6d9fac99f45509137fdc43e688f29/FLAG63493483b [2023-05-04 08:54:50,140 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 08:54:50,141 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-symm.wvr.c [2023-05-04 08:54:50,145 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a691f8e4/cdb6d9fac99f45509137fdc43e688f29/FLAG63493483b [2023-05-04 08:54:50,157 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a691f8e4/cdb6d9fac99f45509137fdc43e688f29 [2023-05-04 08:54:50,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 08:54:50,160 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 08:54:50,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 08:54:50,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 08:54:50,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 08:54:50,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 08:54:50" (1/1) ... [2023-05-04 08:54:50,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@246f341d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:54:50, skipping insertion in model container [2023-05-04 08:54:50,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 08:54:50" (1/1) ... [2023-05-04 08:54:50,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 08:54:50,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 08:54:50,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-symm.wvr.c[2584,2597] [2023-05-04 08:54:50,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 08:54:50,353 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 08:54:50,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-symm.wvr.c[2584,2597] [2023-05-04 08:54:50,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 08:54:50,377 INFO L208 MainTranslator]: Completed translation [2023-05-04 08:54:50,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:54:50 WrapperNode [2023-05-04 08:54:50,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 08:54:50,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 08:54:50,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 08:54:50,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 08:54:50,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:54:50" (1/1) ... [2023-05-04 08:54:50,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:54:50" (1/1) ... [2023-05-04 08:54:50,425 INFO L138 Inliner]: procedures = 22, calls = 27, calls flagged for inlining = 11, calls inlined = 17, statements flattened = 148 [2023-05-04 08:54:50,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 08:54:50,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 08:54:50,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 08:54:50,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 08:54:50,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:54:50" (1/1) ... [2023-05-04 08:54:50,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:54:50" (1/1) ... [2023-05-04 08:54:50,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:54:50" (1/1) ... [2023-05-04 08:54:50,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:54:50" (1/1) ... [2023-05-04 08:54:50,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:54:50" (1/1) ... [2023-05-04 08:54:50,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:54:50" (1/1) ... [2023-05-04 08:54:50,443 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:54:50" (1/1) ... [2023-05-04 08:54:50,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:54:50" (1/1) ... [2023-05-04 08:54:50,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 08:54:50,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 08:54:50,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 08:54:50,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 08:54:50,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:54:50" (1/1) ... [2023-05-04 08:54:50,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 08:54:50,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 08:54:50,486 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 08:54:50,488 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 08:54:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 08:54:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 08:54:50,513 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 08:54:50,513 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 08:54:50,516 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 08:54:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 08:54:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 08:54:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 08:54:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 08:54:50,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 08:54:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 08:54:50,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 08:54:50,518 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 08:54:50,591 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 08:54:50,592 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 08:54:50,838 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 08:54:50,846 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 08:54:50,846 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-04 08:54:50,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 08:54:50 BoogieIcfgContainer [2023-05-04 08:54:50,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 08:54:50,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 08:54:50,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 08:54:50,852 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 08:54:50,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 08:54:50" (1/3) ... [2023-05-04 08:54:50,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e1a214e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 08:54:50, skipping insertion in model container [2023-05-04 08:54:50,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:54:50" (2/3) ... [2023-05-04 08:54:50,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e1a214e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 08:54:50, skipping insertion in model container [2023-05-04 08:54:50,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 08:54:50" (3/3) ... [2023-05-04 08:54:50,854 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-match-symm.wvr.c [2023-05-04 08:54:50,860 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 08:54:50,876 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 08:54:50,876 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 08:54:50,877 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 08:54:50,956 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 08:54:50,992 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 08:54:50,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 08:54:50,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 08:54:50,994 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 08:54:51,015 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 08:54:51,027 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 08:54:51,039 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 08:54:51,044 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;@3e1f7463, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 08:54:51,044 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 08:54:51,242 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 08:54:51,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 08:54:51,247 INFO L85 PathProgramCache]: Analyzing trace with hash -488760260, now seen corresponding path program 1 times [2023-05-04 08:54:51,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 08:54:51,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790339310] [2023-05-04 08:54:51,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 08:54:51,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 08:54:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 08:54:51,558 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 08:54:51,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 08:54:51,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790339310] [2023-05-04 08:54:51,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790339310] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 08:54:51,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 08:54:51,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 08:54:51,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977322793] [2023-05-04 08:54:51,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 08:54:51,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 08:54:51,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 08:54:51,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 08:54:51,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 08:54:51,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:54:51,593 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 08:54:51,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 91.0) internal successors, (182), 2 states have internal predecessors, (182), 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 08:54:51,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:54:51,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:54:51,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 08:54:51,641 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 08:54:51,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 08:54:51,642 INFO L85 PathProgramCache]: Analyzing trace with hash -803978164, now seen corresponding path program 1 times [2023-05-04 08:54:51,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 08:54:51,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505783988] [2023-05-04 08:54:51,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 08:54:51,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 08:54:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 08:54:54,928 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 08:54:54,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 08:54:54,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505783988] [2023-05-04 08:54:54,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505783988] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 08:54:54,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 08:54:54,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2023-05-04 08:54:54,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494751079] [2023-05-04 08:54:54,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 08:54:54,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-05-04 08:54:54,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 08:54:54,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-05-04 08:54:54,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1172, Unknown=0, NotChecked=0, Total=1260 [2023-05-04 08:54:54,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:54:54,932 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 08:54:54,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 4.972222222222222) internal successors, (179), 36 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 08:54:54,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:54:54,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:55:04,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:55:04,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-04 08:55:04,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 08:55:04,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 08:55:04,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 08:55:04,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 08:55:04,050 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2023-05-04 08:55:04,052 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 08:55:04,052 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 08:55:04,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 08:55:04 BasicIcfg [2023-05-04 08:55:04,054 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 08:55:04,057 INFO L158 Benchmark]: Toolchain (without parser) took 13894.91ms. Allocated memory was 181.4MB in the beginning and 341.8MB in the end (delta: 160.4MB). Free memory was 123.7MB in the beginning and 280.8MB in the end (delta: -157.1MB). Peak memory consumption was 172.5MB. Max. memory is 8.0GB. [2023-05-04 08:55:04,057 INFO L158 Benchmark]: CDTParser took 0.89ms. Allocated memory is still 181.4MB. Free memory was 140.4MB in the beginning and 140.2MB in the end (delta: 151.8kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 08:55:04,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.46ms. Allocated memory is still 181.4MB. Free memory was 123.6MB in the beginning and 155.3MB in the end (delta: -31.7MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. [2023-05-04 08:55:04,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.87ms. Allocated memory is still 181.4MB. Free memory was 155.3MB in the beginning and 153.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 08:55:04,058 INFO L158 Benchmark]: Boogie Preprocessor took 20.13ms. Allocated memory is still 181.4MB. Free memory was 153.2MB in the beginning and 151.9MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 08:55:04,058 INFO L158 Benchmark]: RCFGBuilder took 401.56ms. Allocated memory is still 181.4MB. Free memory was 151.9MB in the beginning and 134.1MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-05-04 08:55:04,058 INFO L158 Benchmark]: TraceAbstraction took 13204.85ms. Allocated memory was 181.4MB in the beginning and 341.8MB in the end (delta: 160.4MB). Free memory was 132.6MB in the beginning and 280.8MB in the end (delta: -148.2MB). Peak memory consumption was 181.5MB. Max. memory is 8.0GB. [2023-05-04 08:55:04,060 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89ms. Allocated memory is still 181.4MB. Free memory was 140.4MB in the beginning and 140.2MB in the end (delta: 151.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 215.46ms. Allocated memory is still 181.4MB. Free memory was 123.6MB in the beginning and 155.3MB in the end (delta: -31.7MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.87ms. Allocated memory is still 181.4MB. Free memory was 155.3MB in the beginning and 153.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.13ms. Allocated memory is still 181.4MB. Free memory was 153.2MB in the beginning and 151.9MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 401.56ms. Allocated memory is still 181.4MB. Free memory was 151.9MB in the beginning and 134.1MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 13204.85ms. Allocated memory was 181.4MB in the beginning and 341.8MB in the end (delta: 160.4MB). Free memory was 132.6MB in the beginning and 280.8MB in the end (delta: -148.2MB). Peak memory consumption was 181.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15746, independent: 15271, independent conditional: 5947, independent unconditional: 9324, dependent: 475, dependent conditional: 472, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15274, independent: 15271, independent conditional: 5947, independent unconditional: 9324, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15274, independent: 15271, independent conditional: 5947, independent unconditional: 9324, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15274, independent: 15271, independent conditional: 0, independent unconditional: 15271, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15274, independent: 15271, independent conditional: 0, independent unconditional: 15271, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15274, independent: 15271, independent conditional: 0, independent unconditional: 15271, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9327, independent: 9324, independent conditional: 0, independent unconditional: 9324, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9327, independent: 9324, independent conditional: 0, independent unconditional: 9324, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 55, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15274, independent: 5947, independent conditional: 0, independent unconditional: 5947, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 9327, unknown conditional: 0, unknown unconditional: 9327] , Statistics on independence cache: Total cache size (in pairs): 9327, Positive cache size: 9324, Positive conditional cache size: 0, Positive unconditional cache size: 9324, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 472 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 2866, Number of trivial persistent sets: 2546, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9327, independent: 9324, independent conditional: 0, independent unconditional: 9324, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15746, independent: 15271, independent conditional: 5947, independent unconditional: 9324, dependent: 475, dependent conditional: 472, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15274, independent: 15271, independent conditional: 5947, independent unconditional: 9324, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15274, independent: 15271, independent conditional: 5947, independent unconditional: 9324, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15274, independent: 15271, independent conditional: 0, independent unconditional: 15271, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15274, independent: 15271, independent conditional: 0, independent unconditional: 15271, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15274, independent: 15271, independent conditional: 0, independent unconditional: 15271, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9327, independent: 9324, independent conditional: 0, independent unconditional: 9324, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9327, independent: 9324, independent conditional: 0, independent unconditional: 9324, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 55, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15274, independent: 5947, independent conditional: 0, independent unconditional: 5947, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 9327, unknown conditional: 0, unknown unconditional: 9327] , Statistics on independence cache: Total cache size (in pairs): 9327, Positive cache size: 9324, Positive conditional cache size: 0, Positive unconditional cache size: 9324, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 472 - PositiveResult [Line: 77]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 316 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 13.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 9.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 67, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 361 NumberOfCodeBlocks, 361 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 359 ConstructedInterpolants, 0 QuantifiedInterpolants, 4030 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-05-04 08:55:04,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-05-04 08:55:04,299 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...