/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 LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/spaghetti.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 13:08:04,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 13:08:04,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 13:08:04,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 13:08:04,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 13:08:04,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 13:08:04,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 13:08:04,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 13:08:04,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 13:08:04,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 13:08:04,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 13:08:04,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 13:08:04,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 13:08:04,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 13:08:04,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 13:08:04,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 13:08:04,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 13:08:04,730 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 13:08:04,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 13:08:04,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 13:08:04,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 13:08:04,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 13:08:04,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 13:08:04,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 13:08:04,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 13:08:04,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 13:08:04,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 13:08:04,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 13:08:04,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 13:08:04,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 13:08:04,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 13:08:04,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 13:08:04,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 13:08:04,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 13:08:04,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 13:08:04,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 13:08:04,755 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 13:08:04,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 13:08:04,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 13:08:04,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 13:08:04,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 13:08:04,757 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 13:08:04,777 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 13:08:04,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 13:08:04,777 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 13:08:04,777 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 13:08:04,778 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 13:08:04,778 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 13:08:04,778 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 13:08:04,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 13:08:04,779 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 13:08:04,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 13:08:04,779 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 13:08:04,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 13:08:04,779 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 13:08:04,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 13:08:04,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 13:08:04,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 13:08:04,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 13:08:04,780 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 13:08:04,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 13:08:04,780 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 13:08:04,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 13:08:04,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 13:08:04,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 13:08:04,781 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 13:08:04,781 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 13:08:04,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 13:08:04,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 13:08:04,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 13:08:04,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 13:08:04,782 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 13:08:04,782 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 13:08:04,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 13:08:04,782 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 13:08:04,782 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 13:08:04,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 13:08:04,783 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 13:08:04,783 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 13:08:05,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 13:08:05,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 13:08:05,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 13:08:05,033 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 13:08:05,035 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 13:08:05,036 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/spaghetti.wvr.c [2023-05-04 13:08:05,089 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6de882751/c3dc7973d09046b3b0f331a1686ab87b/FLAG98df0741a [2023-05-04 13:08:05,494 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 13:08:05,494 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/spaghetti.wvr.c [2023-05-04 13:08:05,505 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6de882751/c3dc7973d09046b3b0f331a1686ab87b/FLAG98df0741a [2023-05-04 13:08:05,523 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6de882751/c3dc7973d09046b3b0f331a1686ab87b [2023-05-04 13:08:05,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 13:08:05,528 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 13:08:05,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 13:08:05,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 13:08:05,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 13:08:05,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 01:08:05" (1/1) ... [2023-05-04 13:08:05,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@329fbe1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:08:05, skipping insertion in model container [2023-05-04 13:08:05,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 01:08:05" (1/1) ... [2023-05-04 13:08:05,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 13:08:05,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 13:08:05,794 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/spaghetti.wvr.c[3221,3234] [2023-05-04 13:08:05,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 13:08:05,809 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 13:08:05,839 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/spaghetti.wvr.c[3221,3234] [2023-05-04 13:08:05,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 13:08:05,856 INFO L208 MainTranslator]: Completed translation [2023-05-04 13:08:05,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:08:05 WrapperNode [2023-05-04 13:08:05,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 13:08:05,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 13:08:05,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 13:08:05,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 13:08:05,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:08:05" (1/1) ... [2023-05-04 13:08:05,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:08:05" (1/1) ... [2023-05-04 13:08:05,899 INFO L138 Inliner]: procedures = 23, calls = 59, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2023-05-04 13:08:05,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 13:08:05,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 13:08:05,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 13:08:05,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 13:08:05,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:08:05" (1/1) ... [2023-05-04 13:08:05,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:08:05" (1/1) ... [2023-05-04 13:08:05,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:08:05" (1/1) ... [2023-05-04 13:08:05,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:08:05" (1/1) ... [2023-05-04 13:08:05,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:08:05" (1/1) ... [2023-05-04 13:08:05,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:08:05" (1/1) ... [2023-05-04 13:08:05,932 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:08:05" (1/1) ... [2023-05-04 13:08:05,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:08:05" (1/1) ... [2023-05-04 13:08:05,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 13:08:05,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 13:08:05,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 13:08:05,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 13:08:05,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:08:05" (1/1) ... [2023-05-04 13:08:05,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 13:08:05,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 13:08:05,974 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 13:08:05,998 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 13:08:06,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 13:08:06,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 13:08:06,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 13:08:06,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 13:08:06,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 13:08:06,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 13:08:06,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 13:08:06,014 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-05-04 13:08:06,014 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-05-04 13:08:06,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 13:08:06,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 13:08:06,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 13:08:06,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 13:08:06,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 13:08:06,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 13:08:06,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 13:08:06,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 13:08:06,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 13:08:06,016 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 13:08:06,120 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 13:08:06,121 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 13:08:06,349 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 13:08:06,362 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 13:08:06,363 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-05-04 13:08:06,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 01:08:06 BoogieIcfgContainer [2023-05-04 13:08:06,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 13:08:06,367 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 13:08:06,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 13:08:06,371 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 13:08:06,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 01:08:05" (1/3) ... [2023-05-04 13:08:06,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ddbc207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 01:08:06, skipping insertion in model container [2023-05-04 13:08:06,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 01:08:05" (2/3) ... [2023-05-04 13:08:06,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ddbc207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 01:08:06, skipping insertion in model container [2023-05-04 13:08:06,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 01:08:06" (3/3) ... [2023-05-04 13:08:06,374 INFO L112 eAbstractionObserver]: Analyzing ICFG spaghetti.wvr.c [2023-05-04 13:08:06,381 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 13:08:06,389 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 13:08:06,389 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 13:08:06,389 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 13:08:06,469 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-05-04 13:08:06,509 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 13:08:06,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 13:08:06,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 13:08:06,517 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 13:08:06,538 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 13:08:06,562 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 13:08:06,583 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 13:08:06,591 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;@19e8003e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 13:08:06,591 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-05-04 13:08:06,881 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 2 more)] === [2023-05-04 13:08:06,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 13:08:06,886 INFO L85 PathProgramCache]: Analyzing trace with hash 2029742788, now seen corresponding path program 1 times [2023-05-04 13:08:06,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 13:08:06,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019086601] [2023-05-04 13:08:06,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:08:06,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 13:08:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:08:07,206 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-04 13:08:07,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 13:08:07,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019086601] [2023-05-04 13:08:07,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019086601] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 13:08:07,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 13:08:07,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 13:08:07,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476938134] [2023-05-04 13:08:07,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 13:08:07,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 13:08:07,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 13:08:07,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 13:08:07,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 13:08:07,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:08:07,238 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 13:08:07,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 48.0) internal successors, (96), 2 states have internal predecessors, (96), 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 13:08:07,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:08:07,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:08:07,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 13:08:07,309 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 2 more)] === [2023-05-04 13:08:07,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 13:08:07,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1540635412, now seen corresponding path program 1 times [2023-05-04 13:08:07,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 13:08:07,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197654234] [2023-05-04 13:08:07,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:08:07,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 13:08:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:08:07,866 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-04 13:08:07,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 13:08:07,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197654234] [2023-05-04 13:08:07,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197654234] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 13:08:07,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 13:08:07,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 13:08:07,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204397707] [2023-05-04 13:08:07,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 13:08:07,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 13:08:07,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 13:08:07,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 13:08:07,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 13:08:07,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:08:07,872 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 13:08:07,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 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 13:08:07,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:08:07,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:08:14,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:08:14,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:08:14,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 13:08:14,699 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-04 13:08:14,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 13:08:14,700 INFO L85 PathProgramCache]: Analyzing trace with hash -128033051, now seen corresponding path program 1 times [2023-05-04 13:08:14,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 13:08:14,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897811936] [2023-05-04 13:08:14,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 13:08:14,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 13:08:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 13:08:15,025 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-04 13:08:15,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 13:08:15,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897811936] [2023-05-04 13:08:15,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897811936] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 13:08:15,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 13:08:15,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 13:08:15,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344532756] [2023-05-04 13:08:15,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 13:08:15,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 13:08:15,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 13:08:15,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 13:08:15,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 13:08:15,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:08:15,028 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 13:08:15,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 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 13:08:15,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:08:15,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:08:15,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:08:29,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 13:08:29,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:08:29,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 13:08:29,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-05-04 13:08:29,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-05-04 13:08:29,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-05-04 13:08:29,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-05-04 13:08:29,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-05-04 13:08:29,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 13:08:29,517 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-05-04 13:08:29,520 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 13:08:29,520 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 13:08:29,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 01:08:29 BasicIcfg [2023-05-04 13:08:29,523 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 13:08:29,524 INFO L158 Benchmark]: Toolchain (without parser) took 23995.56ms. Allocated memory was 174.1MB in the beginning and 5.1GB in the end (delta: 4.9GB). Free memory was 116.2MB in the beginning and 4.1GB in the end (delta: -4.0GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2023-05-04 13:08:29,524 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 174.1MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 13:08:29,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.85ms. Allocated memory is still 174.1MB. Free memory was 115.9MB in the beginning and 147.1MB in the end (delta: -31.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-05-04 13:08:29,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.04ms. Allocated memory is still 174.1MB. Free memory was 147.0MB in the beginning and 145.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 13:08:29,532 INFO L158 Benchmark]: Boogie Preprocessor took 35.26ms. Allocated memory is still 174.1MB. Free memory was 145.4MB in the beginning and 143.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 13:08:29,532 INFO L158 Benchmark]: RCFGBuilder took 429.00ms. Allocated memory is still 174.1MB. Free memory was 143.9MB in the beginning and 129.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-05-04 13:08:29,532 INFO L158 Benchmark]: TraceAbstraction took 23156.49ms. Allocated memory was 174.1MB in the beginning and 5.1GB in the end (delta: 4.9GB). Free memory was 128.0MB in the beginning and 4.1GB in the end (delta: -3.9GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2023-05-04 13:08:29,534 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 174.1MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 326.85ms. Allocated memory is still 174.1MB. Free memory was 115.9MB in the beginning and 147.1MB in the end (delta: -31.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.04ms. Allocated memory is still 174.1MB. Free memory was 147.0MB in the beginning and 145.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.26ms. Allocated memory is still 174.1MB. Free memory was 145.4MB in the beginning and 143.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 429.00ms. Allocated memory is still 174.1MB. Free memory was 143.9MB in the beginning and 129.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 23156.49ms. Allocated memory was 174.1MB in the beginning and 5.1GB in the end (delta: 4.9GB). Free memory was 128.0MB in the beginning and 4.1GB in the end (delta: -3.9GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3097846, independent: 2748938, independent conditional: 2743745, independent unconditional: 5193, dependent: 348908, dependent conditional: 348867, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2791421, independent: 2748938, independent conditional: 2743745, independent unconditional: 5193, dependent: 42483, dependent conditional: 42442, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2791421, independent: 2748938, independent conditional: 2743745, independent unconditional: 5193, dependent: 42483, dependent conditional: 42442, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2833863, independent: 2748938, independent conditional: 0, independent unconditional: 2748938, dependent: 84925, dependent conditional: 42442, dependent unconditional: 42483, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2833863, independent: 2748938, independent conditional: 0, independent unconditional: 2748938, dependent: 84925, dependent conditional: 0, dependent unconditional: 84925, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2833863, independent: 2748938, independent conditional: 0, independent unconditional: 2748938, dependent: 84925, dependent conditional: 0, dependent unconditional: 84925, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4499, independent: 4458, independent conditional: 0, independent unconditional: 4458, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4499, independent: 4434, independent conditional: 0, independent unconditional: 4434, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 65, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 65, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 223, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 183, dependent conditional: 0, dependent unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2833863, independent: 2744480, independent conditional: 0, independent unconditional: 2744480, dependent: 84884, dependent conditional: 0, dependent unconditional: 84884, unknown: 4499, unknown conditional: 0, unknown unconditional: 4499] , Statistics on independence cache: Total cache size (in pairs): 4499, Positive cache size: 4458, Positive conditional cache size: 0, Positive unconditional cache size: 4458, Negative cache size: 41, Negative conditional cache size: 0, Negative unconditional cache size: 41, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 42442, Maximal queried relation: 1, Independence queries for same thread: 306425 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 3.9s, Number of persistent set computation: 119013, Number of trivial persistent sets: 68741, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5234, independent: 5193, independent conditional: 0, independent unconditional: 5193, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3097846, independent: 2748938, independent conditional: 2743745, independent unconditional: 5193, dependent: 348908, dependent conditional: 348867, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2791421, independent: 2748938, independent conditional: 2743745, independent unconditional: 5193, dependent: 42483, dependent conditional: 42442, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2791421, independent: 2748938, independent conditional: 2743745, independent unconditional: 5193, dependent: 42483, dependent conditional: 42442, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2833863, independent: 2748938, independent conditional: 0, independent unconditional: 2748938, dependent: 84925, dependent conditional: 42442, dependent unconditional: 42483, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2833863, independent: 2748938, independent conditional: 0, independent unconditional: 2748938, dependent: 84925, dependent conditional: 0, dependent unconditional: 84925, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2833863, independent: 2748938, independent conditional: 0, independent unconditional: 2748938, dependent: 84925, dependent conditional: 0, dependent unconditional: 84925, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4499, independent: 4458, independent conditional: 0, independent unconditional: 4458, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4499, independent: 4434, independent conditional: 0, independent unconditional: 4434, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 65, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 65, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 223, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 183, dependent conditional: 0, dependent unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2833863, independent: 2744480, independent conditional: 0, independent unconditional: 2744480, dependent: 84884, dependent conditional: 0, dependent unconditional: 84884, unknown: 4499, unknown conditional: 0, unknown unconditional: 4499] , Statistics on independence cache: Total cache size (in pairs): 4499, Positive cache size: 4458, Positive conditional cache size: 0, Positive unconditional cache size: 4458, Negative cache size: 41, Negative conditional cache size: 0, Negative unconditional cache size: 41, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 42442, Maximal queried relation: 1, Independence queries for same thread: 306425 - PositiveResult [Line: 127]: 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 9 procedures, 160 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 23.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 21.7s, 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: 16, 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, 0.8s InterpolantComputationTime, 308 NumberOfCodeBlocks, 308 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 305 ConstructedInterpolants, 0 QuantifiedInterpolants, 539 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 42/42 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 13:08:29,564 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 13:08:29,930 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...