/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-match-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 14:56:47,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 14:56:47,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 14:56:47,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 14:56:47,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 14:56:47,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 14:56:47,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 14:56:47,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 14:56:47,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 14:56:47,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 14:56:47,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 14:56:47,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 14:56:47,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 14:56:47,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 14:56:47,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 14:56:47,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 14:56:47,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 14:56:47,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 14:56:47,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 14:56:47,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 14:56:47,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 14:56:47,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 14:56:47,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 14:56:47,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 14:56:47,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 14:56:47,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 14:56:47,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 14:56:47,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 14:56:47,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 14:56:47,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 14:56:47,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 14:56:47,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 14:56:47,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 14:56:47,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 14:56:47,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 14:56:47,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 14:56:47,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 14:56:47,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 14:56:47,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 14:56:47,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 14:56:47,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 14:56:47,728 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 14:56:47,750 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 14:56:47,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 14:56:47,750 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 14:56:47,750 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 14:56:47,751 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 14:56:47,751 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 14:56:47,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 14:56:47,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 14:56:47,752 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 14:56:47,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 14:56:47,756 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 14:56:47,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 14:56:47,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 14:56:47,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 14:56:47,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 14:56:47,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 14:56:47,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 14:56:47,757 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 14:56:47,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 14:56:47,757 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 14:56:47,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 14:56:47,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 14:56:47,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 14:56:47,758 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 14:56:47,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 14:56:47,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 14:56:47,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 14:56:47,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 14:56:47,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 14:56:47,759 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 14:56:47,759 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 14:56:47,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 14:56:47,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 14:56:47,759 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 14:56:47,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 14:56:47,759 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 14:56:47,759 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-04 14:56:47,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 14:56:47,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 14:56:47,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 14:56:47,971 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 14:56:47,971 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 14:56:47,972 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-match-trans.wvr.c [2023-05-04 14:56:48,008 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92bd0e90f/bd4b90ea2a3b4c4194d0ec5c75caa807/FLAGb3b54f578 [2023-05-04 14:56:48,399 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 14:56:48,400 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-trans.wvr.c [2023-05-04 14:56:48,411 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92bd0e90f/bd4b90ea2a3b4c4194d0ec5c75caa807/FLAGb3b54f578 [2023-05-04 14:56:48,423 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92bd0e90f/bd4b90ea2a3b4c4194d0ec5c75caa807 [2023-05-04 14:56:48,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 14:56:48,426 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 14:56:48,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 14:56:48,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 14:56:48,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 14:56:48,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 02:56:48" (1/1) ... [2023-05-04 14:56:48,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fdaa6b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:56:48, skipping insertion in model container [2023-05-04 14:56:48,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 02:56:48" (1/1) ... [2023-05-04 14:56:48,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 14:56:48,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 14:56:48,632 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-trans.wvr.c[2954,2967] [2023-05-04 14:56:48,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 14:56:48,650 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 14:56:48,685 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-trans.wvr.c[2954,2967] [2023-05-04 14:56:48,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 14:56:48,695 INFO L208 MainTranslator]: Completed translation [2023-05-04 14:56:48,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:56:48 WrapperNode [2023-05-04 14:56:48,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 14:56:48,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 14:56:48,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 14:56:48,698 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 14:56:48,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:56:48" (1/1) ... [2023-05-04 14:56:48,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:56:48" (1/1) ... [2023-05-04 14:56:48,744 INFO L138 Inliner]: procedures = 23, calls = 33, calls flagged for inlining = 11, calls inlined = 21, statements flattened = 202 [2023-05-04 14:56:48,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 14:56:48,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 14:56:48,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 14:56:48,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 14:56:48,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:56:48" (1/1) ... [2023-05-04 14:56:48,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:56:48" (1/1) ... [2023-05-04 14:56:48,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:56:48" (1/1) ... [2023-05-04 14:56:48,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:56:48" (1/1) ... [2023-05-04 14:56:48,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:56:48" (1/1) ... [2023-05-04 14:56:48,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:56:48" (1/1) ... [2023-05-04 14:56:48,772 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:56:48" (1/1) ... [2023-05-04 14:56:48,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:56:48" (1/1) ... [2023-05-04 14:56:48,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 14:56:48,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 14:56:48,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 14:56:48,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 14:56:48,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:56:48" (1/1) ... [2023-05-04 14:56:48,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 14:56:48,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 14:56:48,804 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 14:56:48,805 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 14:56:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 14:56:48,828 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 14:56:48,828 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 14:56:48,828 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 14:56:48,830 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 14:56:48,830 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 14:56:48,831 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 14:56:48,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 14:56:48,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 14:56:48,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 14:56:48,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 14:56:48,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 14:56:48,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 14:56:48,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 14:56:48,832 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 14:56:48,925 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 14:56:48,926 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 14:56:49,291 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 14:56:49,302 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 14:56:49,302 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-04 14:56:49,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 02:56:49 BoogieIcfgContainer [2023-05-04 14:56:49,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 14:56:49,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 14:56:49,306 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 14:56:49,310 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 14:56:49,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 02:56:48" (1/3) ... [2023-05-04 14:56:49,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cded4a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 02:56:49, skipping insertion in model container [2023-05-04 14:56:49,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:56:48" (2/3) ... [2023-05-04 14:56:49,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cded4a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 02:56:49, skipping insertion in model container [2023-05-04 14:56:49,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 02:56:49" (3/3) ... [2023-05-04 14:56:49,312 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-match-trans.wvr.c [2023-05-04 14:56:49,317 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 14:56:49,324 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 14:56:49,324 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 14:56:49,324 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 14:56:49,412 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-04 14:56:49,446 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 14:56:49,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 14:56:49,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 14:56:49,448 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 14:56:49,464 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 14:56:49,479 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 14:56:49,491 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 14:56:49,495 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;@51952b20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 14:56:49,495 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-04 14:56:49,855 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 14:56:49,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 14:56:49,860 INFO L85 PathProgramCache]: Analyzing trace with hash 361817290, now seen corresponding path program 1 times [2023-05-04 14:56:49,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 14:56:49,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324597423] [2023-05-04 14:56:49,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:56:49,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 14:56:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:56:50,157 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 14:56:50,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 14:56:50,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324597423] [2023-05-04 14:56:50,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324597423] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 14:56:50,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 14:56:50,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 14:56:50,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623018830] [2023-05-04 14:56:50,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 14:56:50,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 14:56:50,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 14:56:50,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 14:56:50,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 14:56:50,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:56:50,182 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 14:56:50,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 126.0) internal successors, (252), 2 states have internal predecessors, (252), 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 14:56:50,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:56:50,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:56:50,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 14:56:50,475 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 14:56:50,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 14:56:50,476 INFO L85 PathProgramCache]: Analyzing trace with hash -385013510, now seen corresponding path program 1 times [2023-05-04 14:56:50,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 14:56:50,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801986863] [2023-05-04 14:56:50,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:56:50,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 14:56:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:56:53,352 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 14:56:53,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 14:56:53,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801986863] [2023-05-04 14:56:53,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801986863] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 14:56:53,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 14:56:53,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [] total 43 [2023-05-04 14:56:53,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445998742] [2023-05-04 14:56:53,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 14:56:53,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-05-04 14:56:53,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 14:56:53,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-05-04 14:56:53,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2023-05-04 14:56:53,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:56:53,356 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 14:56:53,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 5.604651162790698) internal successors, (241), 43 states have internal predecessors, (241), 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 14:56:53,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:56:53,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:57:08,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:57:08,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2023-05-04 14:57:08,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-04 14:57:08,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-04 14:57:08,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-04 14:57:08,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-04 14:57:08,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 14:57:08,529 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2023-05-04 14:57:08,531 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 14:57:08,531 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 14:57:08,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 02:57:08 BasicIcfg [2023-05-04 14:57:08,534 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 14:57:08,538 INFO L158 Benchmark]: Toolchain (without parser) took 20108.17ms. Allocated memory was 212.9MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 182.5MB in the beginning and 1.1GB in the end (delta: -914.6MB). Peak memory consumption was 597.5MB. Max. memory is 8.0GB. [2023-05-04 14:57:08,539 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 212.9MB. Free memory is still 169.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 14:57:08,540 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.72ms. Allocated memory was 212.9MB in the beginning and 290.5MB in the end (delta: 77.6MB). Free memory was 182.3MB in the beginning and 255.7MB in the end (delta: -73.4MB). Peak memory consumption was 7.4MB. Max. memory is 8.0GB. [2023-05-04 14:57:08,540 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.89ms. Allocated memory is still 290.5MB. Free memory was 255.7MB in the beginning and 253.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 14:57:08,540 INFO L158 Benchmark]: Boogie Preprocessor took 30.45ms. Allocated memory is still 290.5MB. Free memory was 253.6MB in the beginning and 251.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 14:57:08,541 INFO L158 Benchmark]: RCFGBuilder took 528.18ms. Allocated memory is still 290.5MB. Free memory was 251.9MB in the beginning and 230.5MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-05-04 14:57:08,541 INFO L158 Benchmark]: TraceAbstraction took 19228.50ms. Allocated memory was 290.5MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 229.4MB in the beginning and 1.1GB in the end (delta: -867.7MB). Peak memory consumption was 568.1MB. Max. memory is 8.0GB. [2023-05-04 14:57:08,542 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 212.9MB. Free memory is still 169.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 267.72ms. Allocated memory was 212.9MB in the beginning and 290.5MB in the end (delta: 77.6MB). Free memory was 182.3MB in the beginning and 255.7MB in the end (delta: -73.4MB). Peak memory consumption was 7.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.89ms. Allocated memory is still 290.5MB. Free memory was 255.7MB in the beginning and 253.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.45ms. Allocated memory is still 290.5MB. Free memory was 253.6MB in the beginning and 251.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 528.18ms. Allocated memory is still 290.5MB. Free memory was 251.9MB in the beginning and 230.5MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 19228.50ms. Allocated memory was 290.5MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 229.4MB in the beginning and 1.1GB in the end (delta: -867.7MB). Peak memory consumption was 568.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 348797, independent: 343506, independent conditional: 316694, independent unconditional: 26812, dependent: 5291, dependent conditional: 5281, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 343516, independent: 343506, independent conditional: 316694, independent unconditional: 26812, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 343516, independent: 343506, independent conditional: 316694, independent unconditional: 26812, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 343516, independent: 343506, independent conditional: 0, independent unconditional: 343506, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 343516, independent: 343506, independent conditional: 0, independent unconditional: 343506, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 343516, independent: 343506, independent conditional: 0, independent unconditional: 343506, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 26822, independent: 26812, independent conditional: 0, independent unconditional: 26812, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 26822, independent: 26812, independent conditional: 0, independent unconditional: 26812, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 120, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 120, dependent conditional: 0, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 343516, independent: 316694, independent conditional: 0, independent unconditional: 316694, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 26822, unknown conditional: 0, unknown unconditional: 26822] , Statistics on independence cache: Total cache size (in pairs): 26822, Positive cache size: 26812, Positive conditional cache size: 0, Positive unconditional cache size: 26812, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, 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: 5281 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 1.9s, Number of persistent set computation: 97710, Number of trivial persistent sets: 94007, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26822, independent: 26812, independent conditional: 0, independent unconditional: 26812, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 348797, independent: 343506, independent conditional: 316694, independent unconditional: 26812, dependent: 5291, dependent conditional: 5281, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 343516, independent: 343506, independent conditional: 316694, independent unconditional: 26812, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 343516, independent: 343506, independent conditional: 316694, independent unconditional: 26812, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 343516, independent: 343506, independent conditional: 0, independent unconditional: 343506, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 343516, independent: 343506, independent conditional: 0, independent unconditional: 343506, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 343516, independent: 343506, independent conditional: 0, independent unconditional: 343506, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 26822, independent: 26812, independent conditional: 0, independent unconditional: 26812, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 26822, independent: 26812, independent conditional: 0, independent unconditional: 26812, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 120, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 120, dependent conditional: 0, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 343516, independent: 316694, independent conditional: 0, independent unconditional: 316694, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 26822, unknown conditional: 0, unknown unconditional: 26822] , Statistics on independence cache: Total cache size (in pairs): 26822, Positive cache size: 26812, Positive conditional cache size: 0, Positive unconditional cache size: 26812, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, 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: 5281 - PositiveResult [Line: 88]: 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 7 procedures, 440 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 19.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 15.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 118, 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, 2.9s InterpolantComputationTime, 493 NumberOfCodeBlocks, 493 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 491 ConstructedInterpolants, 0 QuantifiedInterpolants, 2947 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 14:57:08,709 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 14:57:08,902 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...