/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 GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-simpl-str-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 14:01:00,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 14:01:00,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 14:01:00,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 14:01:00,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 14:01:00,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 14:01:00,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 14:01:00,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 14:01:00,739 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 14:01:00,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 14:01:00,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 14:01:00,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 14:01:00,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 14:01:00,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 14:01:00,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 14:01:00,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 14:01:00,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 14:01:00,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 14:01:00,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 14:01:00,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 14:01:00,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 14:01:00,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 14:01:00,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 14:01:00,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 14:01:00,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 14:01:00,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 14:01:00,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 14:01:00,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 14:01:00,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 14:01:00,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 14:01:00,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 14:01:00,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 14:01:00,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 14:01:00,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 14:01:00,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 14:01:00,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 14:01:00,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 14:01:00,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 14:01:00,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 14:01:00,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 14:01:00,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 14:01:00,767 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 14:01:00,791 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 14:01:00,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 14:01:00,792 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 14:01:00,792 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 14:01:00,793 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 14:01:00,793 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 14:01:00,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 14:01:00,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 14:01:00,793 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 14:01:00,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 14:01:00,794 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 14:01:00,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 14:01:00,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 14:01:00,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 14:01:00,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 14:01:00,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 14:01:00,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 14:01:00,794 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 14:01:00,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 14:01:00,795 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 14:01:00,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 14:01:00,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 14:01:00,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 14:01:00,796 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 14:01:00,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 14:01:00,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 14:01:00,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 14:01:00,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 14:01:00,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 14:01:00,796 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 14:01:00,796 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 14:01:00,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 14:01:00,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 14:01:00,797 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 14:01:00,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 14:01:00,797 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 14:01:00,797 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-20 14:01:00,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 14:01:01,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 14:01:01,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 14:01:01,005 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 14:01:01,006 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 14:01:01,007 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-simpl-str-symm.wvr.c [2023-05-20 14:01:01,057 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b97fbd231/8b03b7d629e24124bb15475f14aae363/FLAG5b9910d40 [2023-05-20 14:01:01,436 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 14:01:01,437 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-simpl-str-symm.wvr.c [2023-05-20 14:01:01,445 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b97fbd231/8b03b7d629e24124bb15475f14aae363/FLAG5b9910d40 [2023-05-20 14:01:01,456 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b97fbd231/8b03b7d629e24124bb15475f14aae363 [2023-05-20 14:01:01,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 14:01:01,458 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 14:01:01,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 14:01:01,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 14:01:01,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 14:01:01,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 02:01:01" (1/1) ... [2023-05-20 14:01:01,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@576f137c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:01:01, skipping insertion in model container [2023-05-20 14:01:01,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 02:01:01" (1/1) ... [2023-05-20 14:01:01,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 14:01:01,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 14:01:01,599 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-simpl-str-symm.wvr.c[2303,2316] [2023-05-20 14:01:01,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 14:01:01,609 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 14:01:01,621 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-simpl-str-symm.wvr.c[2303,2316] [2023-05-20 14:01:01,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 14:01:01,630 INFO L208 MainTranslator]: Completed translation [2023-05-20 14:01:01,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:01:01 WrapperNode [2023-05-20 14:01:01,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 14:01:01,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 14:01:01,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 14:01:01,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 14:01:01,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:01:01" (1/1) ... [2023-05-20 14:01:01,641 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:01:01" (1/1) ... [2023-05-20 14:01:01,659 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 122 [2023-05-20 14:01:01,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 14:01:01,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 14:01:01,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 14:01:01,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 14:01:01,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:01:01" (1/1) ... [2023-05-20 14:01:01,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:01:01" (1/1) ... [2023-05-20 14:01:01,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:01:01" (1/1) ... [2023-05-20 14:01:01,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:01:01" (1/1) ... [2023-05-20 14:01:01,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:01:01" (1/1) ... [2023-05-20 14:01:01,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:01:01" (1/1) ... [2023-05-20 14:01:01,673 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:01:01" (1/1) ... [2023-05-20 14:01:01,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:01:01" (1/1) ... [2023-05-20 14:01:01,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 14:01:01,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 14:01:01,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 14:01:01,676 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 14:01:01,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:01:01" (1/1) ... [2023-05-20 14:01:01,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 14:01:01,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:01:01,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-20 14:01:01,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-20 14:01:01,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 14:01:01,726 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 14:01:01,726 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 14:01:01,726 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 14:01:01,726 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 14:01:01,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 14:01:01,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 14:01:01,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 14:01:01,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 14:01:01,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 14:01:01,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 14:01:01,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 14:01:01,728 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 14:01:01,789 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 14:01:01,790 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 14:01:02,020 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 14:01:02,027 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 14:01:02,027 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-20 14:01:02,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 02:01:02 BoogieIcfgContainer [2023-05-20 14:01:02,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 14:01:02,030 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 14:01:02,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 14:01:02,033 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 14:01:02,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 02:01:01" (1/3) ... [2023-05-20 14:01:02,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34eb16d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 02:01:02, skipping insertion in model container [2023-05-20 14:01:02,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:01:01" (2/3) ... [2023-05-20 14:01:02,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34eb16d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 02:01:02, skipping insertion in model container [2023-05-20 14:01:02,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 02:01:02" (3/3) ... [2023-05-20 14:01:02,036 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-simpl-str-symm.wvr.c [2023-05-20 14:01:02,042 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 14:01:02,055 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 14:01:02,055 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 14:01:02,055 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 14:01:02,115 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-20 14:01:02,148 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 14:01:02,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 14:01:02,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:01:02,150 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-20 14:01:02,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-20 14:01:02,189 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 14:01:02,213 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 14:01:02,217 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;@64061a2f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 14:01:02,218 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-20 14:01:02,326 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 14:01:02,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:01:02,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1295980061, now seen corresponding path program 1 times [2023-05-20 14:01:02,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:01:02,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767427257] [2023-05-20 14:01:02,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:01:02,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:01:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:01:02,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:01:02,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:01:02,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767427257] [2023-05-20 14:01:02,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767427257] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 14:01:02,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 14:01:02,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 14:01:02,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541041884] [2023-05-20 14:01:02,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 14:01:02,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 14:01:02,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:01:02,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 14:01:02,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 14:01:02,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:01:02,560 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:01:02,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:01:02,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:01:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:01:02,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 14:01:02,597 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 14:01:02,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:01:02,598 INFO L85 PathProgramCache]: Analyzing trace with hash -854148913, now seen corresponding path program 1 times [2023-05-20 14:01:02,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:01:02,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472782338] [2023-05-20 14:01:02,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:01:02,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:01:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:01:03,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:01:03,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:01:03,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472782338] [2023-05-20 14:01:03,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472782338] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 14:01:03,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 14:01:03,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-05-20 14:01:03,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909516844] [2023-05-20 14:01:03,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 14:01:03,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-20 14:01:03,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:01:03,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-20 14:01:03,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-05-20 14:01:03,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:01:03,144 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:01:03,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:01:03,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:01:03,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:01:03,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:01:03,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 14:01:03,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 14:01:03,527 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 14:01:03,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:01:03,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1524499468, now seen corresponding path program 1 times [2023-05-20 14:01:03,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:01:03,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110262789] [2023-05-20 14:01:03,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:01:03,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:01:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:01:03,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:01:03,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:01:03,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110262789] [2023-05-20 14:01:03,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110262789] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 14:01:03,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 14:01:03,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-05-20 14:01:03,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689456643] [2023-05-20 14:01:03,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 14:01:03,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-20 14:01:03,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:01:03,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-20 14:01:03,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-05-20 14:01:03,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:01:03,726 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:01:03,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:01:03,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:01:03,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 14:01:03,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:01:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:01:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:01:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 14:01:03,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 14:01:03,989 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 14:01:03,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:01:03,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1306452015, now seen corresponding path program 1 times [2023-05-20 14:01:03,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:01:03,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564373444] [2023-05-20 14:01:03,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:01:03,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:01:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:01:04,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:01:04,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:01:04,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564373444] [2023-05-20 14:01:04,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564373444] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 14:01:04,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 14:01:04,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-20 14:01:04,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832608439] [2023-05-20 14:01:04,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 14:01:04,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 14:01:04,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:01:04,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 14:01:04,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-20 14:01:04,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:01:04,063 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:01:04,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:01:04,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:01:04,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:01:04,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 14:01:04,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:01:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:01:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:01:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 14:01:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 14:01:04,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-20 14:01:04,100 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 14:01:04,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:01:04,100 INFO L85 PathProgramCache]: Analyzing trace with hash 578048882, now seen corresponding path program 1 times [2023-05-20 14:01:04,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:01:04,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70899359] [2023-05-20 14:01:04,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:01:04,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:01:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:01:04,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:01:04,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:01:04,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70899359] [2023-05-20 14:01:04,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70899359] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 14:01:04,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 14:01:04,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-05-20 14:01:04,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429680377] [2023-05-20 14:01:04,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 14:01:04,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-20 14:01:04,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:01:04,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-20 14:01:04,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-05-20 14:01:04,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:01:04,287 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:01:04,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:01:04,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:01:04,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:01:04,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 14:01:04,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 14:01:04,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:01:04,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:01:04,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:01:04,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 14:01:04,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 14:01:04,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 14:01:04,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-20 14:01:04,520 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 14:01:04,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:01:04,521 INFO L85 PathProgramCache]: Analyzing trace with hash -2142788683, now seen corresponding path program 1 times [2023-05-20 14:01:04,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:01:04,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461439689] [2023-05-20 14:01:04,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:01:04,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:01:04,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:01:05,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:01:05,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:01:05,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461439689] [2023-05-20 14:01:05,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461439689] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 14:01:05,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 14:01:05,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-05-20 14:01:05,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144741003] [2023-05-20 14:01:05,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 14:01:05,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-05-20 14:01:05,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:01:05,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-05-20 14:01:05,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2023-05-20 14:01:05,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:01:05,430 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:01:05,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.115384615384615) internal successors, (133), 26 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:01:05,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:01:05,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:01:05,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 14:01:05,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 14:01:05,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 14:01:05,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:01:10,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:01:10,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 14:01:10,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 14:01:10,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 14:01:10,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 14:01:10,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-20 14:01:10,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-20 14:01:10,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-20 14:01:10,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-20 14:01:10,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-20 14:01:10,286 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-05-20 14:01:10,287 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 14:01:10,287 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 14:01:10,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 02:01:10 BasicIcfg [2023-05-20 14:01:10,289 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 14:01:10,290 INFO L158 Benchmark]: Toolchain (without parser) took 8831.23ms. Allocated memory was 212.9MB in the beginning and 404.8MB in the end (delta: 191.9MB). Free memory was 181.0MB in the beginning and 256.1MB in the end (delta: -75.1MB). Peak memory consumption was 196.3MB. Max. memory is 8.0GB. [2023-05-20 14:01:10,290 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 212.9MB. Free memory is still 166.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 14:01:10,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 171.93ms. Allocated memory is still 212.9MB. Free memory was 180.8MB in the beginning and 181.6MB in the end (delta: -776.8kB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. [2023-05-20 14:01:10,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.27ms. Allocated memory is still 212.9MB. Free memory was 181.6MB in the beginning and 179.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 14:01:10,291 INFO L158 Benchmark]: Boogie Preprocessor took 14.44ms. Allocated memory is still 212.9MB. Free memory was 179.6MB in the beginning and 178.3MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-20 14:01:10,291 INFO L158 Benchmark]: RCFGBuilder took 353.32ms. Allocated memory is still 212.9MB. Free memory was 178.1MB in the beginning and 162.8MB in the end (delta: 15.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-05-20 14:01:10,291 INFO L158 Benchmark]: TraceAbstraction took 8258.90ms. Allocated memory was 212.9MB in the beginning and 404.8MB in the end (delta: 191.9MB). Free memory was 161.8MB in the beginning and 256.1MB in the end (delta: -94.3MB). Peak memory consumption was 178.2MB. Max. memory is 8.0GB. [2023-05-20 14:01:10,292 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 166.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 171.93ms. Allocated memory is still 212.9MB. Free memory was 180.8MB in the beginning and 181.6MB in the end (delta: -776.8kB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.27ms. Allocated memory is still 212.9MB. Free memory was 181.6MB in the beginning and 179.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.44ms. Allocated memory is still 212.9MB. Free memory was 179.6MB in the beginning and 178.3MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 353.32ms. Allocated memory is still 212.9MB. Free memory was 178.1MB in the beginning and 162.8MB in the end (delta: 15.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 8258.90ms. Allocated memory was 212.9MB in the beginning and 404.8MB in the end (delta: 191.9MB). Free memory was 161.8MB in the beginning and 256.1MB in the end (delta: -94.3MB). Peak memory consumption was 178.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 18059, independent: 17253, independent conditional: 12043, independent unconditional: 5210, dependent: 806, dependent conditional: 800, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17259, independent: 17253, independent conditional: 12043, independent unconditional: 5210, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17259, independent: 17253, independent conditional: 12043, independent unconditional: 5210, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17259, independent: 17253, independent conditional: 0, independent unconditional: 17253, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17259, independent: 17253, independent conditional: 0, independent unconditional: 17253, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17259, independent: 17253, independent conditional: 0, independent unconditional: 17253, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5216, independent: 5210, independent conditional: 0, independent unconditional: 5210, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5216, independent: 5210, independent conditional: 0, independent unconditional: 5210, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 50, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 17259, independent: 12043, independent conditional: 0, independent unconditional: 12043, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 5216, unknown conditional: 0, unknown unconditional: 5216] , Statistics on independence cache: Total cache size (in pairs): 5216, Positive cache size: 5210, Positive conditional cache size: 0, Positive unconditional cache size: 5210, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, 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: 800 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 3780, Number of trivial persistent sets: 3691, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5216, independent: 5210, independent conditional: 0, independent unconditional: 5210, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 18059, independent: 17253, independent conditional: 12043, independent unconditional: 5210, dependent: 806, dependent conditional: 800, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17259, independent: 17253, independent conditional: 12043, independent unconditional: 5210, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17259, independent: 17253, independent conditional: 12043, independent unconditional: 5210, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17259, independent: 17253, independent conditional: 0, independent unconditional: 17253, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17259, independent: 17253, independent conditional: 0, independent unconditional: 17253, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17259, independent: 17253, independent conditional: 0, independent unconditional: 17253, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5216, independent: 5210, independent conditional: 0, independent unconditional: 5210, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5216, independent: 5210, independent conditional: 0, independent unconditional: 5210, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 50, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 17259, independent: 12043, independent conditional: 0, independent unconditional: 12043, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 5216, unknown conditional: 0, unknown unconditional: 5216] , Statistics on independence cache: Total cache size (in pairs): 5216, Positive cache size: 5210, Positive conditional cache size: 0, Positive unconditional cache size: 5210, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, 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: 800 - PositiveResult [Line: 72]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 232 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 8.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 5.9s, 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: 121, 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, 1.8s InterpolantComputationTime, 589 NumberOfCodeBlocks, 589 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 583 ConstructedInterpolants, 0 QuantifiedInterpolants, 2359 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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! [2023-05-20 14:01:10,323 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 [2023-05-20 14:01:10,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...