/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 ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-collitem-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 05:50:42,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 05:50:42,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 05:50:42,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 05:50:42,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 05:50:42,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 05:50:42,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 05:50:42,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 05:50:42,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 05:50:42,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 05:50:42,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 05:50:42,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 05:50:42,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 05:50:42,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 05:50:42,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 05:50:42,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 05:50:42,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 05:50:42,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 05:50:42,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 05:50:42,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 05:50:42,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 05:50:42,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 05:50:42,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 05:50:42,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 05:50:42,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 05:50:42,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 05:50:42,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 05:50:42,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 05:50:42,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 05:50:42,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 05:50:42,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 05:50:42,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 05:50:42,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 05:50:42,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 05:50:42,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 05:50:42,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 05:50:42,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 05:50:42,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 05:50:42,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 05:50:42,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 05:50:42,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 05:50:42,770 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 05:50:42,804 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 05:50:42,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 05:50:42,804 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 05:50:42,804 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 05:50:42,807 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 05:50:42,807 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 05:50:42,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 05:50:42,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 05:50:42,808 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 05:50:42,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 05:50:42,809 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 05:50:42,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 05:50:42,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 05:50:42,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 05:50:42,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 05:50:42,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 05:50:42,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 05:50:42,809 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 05:50:42,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 05:50:42,810 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 05:50:42,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 05:50:42,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 05:50:42,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 05:50:42,810 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 05:50:42,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 05:50:42,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 05:50:42,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 05:50:42,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 05:50:42,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 05:50:42,812 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 05:50:42,812 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 05:50:42,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 05:50:42,813 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 05:50:42,813 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 05:50:42,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 05:50:42,813 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 05:50:42,813 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-04 05:50:43,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 05:50:43,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 05:50:43,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 05:50:43,070 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 05:50:43,071 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 05:50:43,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-collitem-symm.wvr.c [2023-05-04 05:50:43,136 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f26ad0e9e/ce7296d1d1b340e19d81683bae579bf0/FLAG5329d2517 [2023-05-04 05:50:43,570 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 05:50:43,571 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-collitem-symm.wvr.c [2023-05-04 05:50:43,577 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f26ad0e9e/ce7296d1d1b340e19d81683bae579bf0/FLAG5329d2517 [2023-05-04 05:50:43,588 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f26ad0e9e/ce7296d1d1b340e19d81683bae579bf0 [2023-05-04 05:50:43,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 05:50:43,600 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 05:50:43,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 05:50:43,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 05:50:43,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 05:50:43,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 05:50:43" (1/1) ... [2023-05-04 05:50:43,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1113357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:50:43, skipping insertion in model container [2023-05-04 05:50:43,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 05:50:43" (1/1) ... [2023-05-04 05:50:43,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 05:50:43,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 05:50:43,846 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-collitem-symm.wvr.c[2986,2999] [2023-05-04 05:50:43,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 05:50:43,868 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 05:50:43,908 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-collitem-symm.wvr.c[2986,2999] [2023-05-04 05:50:43,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 05:50:43,925 INFO L208 MainTranslator]: Completed translation [2023-05-04 05:50:43,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:50:43 WrapperNode [2023-05-04 05:50:43,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 05:50:43,927 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 05:50:43,927 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 05:50:43,927 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 05:50:43,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:50:43" (1/1) ... [2023-05-04 05:50:43,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:50:43" (1/1) ... [2023-05-04 05:50:43,987 INFO L138 Inliner]: procedures = 22, calls = 35, calls flagged for inlining = 15, calls inlined = 29, statements flattened = 252 [2023-05-04 05:50:43,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 05:50:43,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 05:50:43,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 05:50:43,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 05:50:43,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:50:43" (1/1) ... [2023-05-04 05:50:43,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:50:43" (1/1) ... [2023-05-04 05:50:44,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:50:43" (1/1) ... [2023-05-04 05:50:44,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:50:43" (1/1) ... [2023-05-04 05:50:44,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:50:43" (1/1) ... [2023-05-04 05:50:44,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:50:43" (1/1) ... [2023-05-04 05:50:44,023 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:50:43" (1/1) ... [2023-05-04 05:50:44,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:50:43" (1/1) ... [2023-05-04 05:50:44,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 05:50:44,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 05:50:44,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 05:50:44,040 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 05:50:44,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:50:43" (1/1) ... [2023-05-04 05:50:44,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 05:50:44,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 05:50:44,082 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 05:50:44,104 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 05:50:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 05:50:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 05:50:44,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 05:50:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 05:50:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 05:50:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 05:50:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 05:50:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 05:50:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 05:50:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 05:50:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 05:50:44,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 05:50:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 05:50:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 05:50:44,136 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 05:50:44,257 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 05:50:44,258 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 05:50:44,673 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 05:50:45,148 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 05:50:45,148 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-04 05:50:45,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 05:50:45 BoogieIcfgContainer [2023-05-04 05:50:45,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 05:50:45,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 05:50:45,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 05:50:45,157 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 05:50:45,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 05:50:43" (1/3) ... [2023-05-04 05:50:45,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d5fb5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 05:50:45, skipping insertion in model container [2023-05-04 05:50:45,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:50:43" (2/3) ... [2023-05-04 05:50:45,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d5fb5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 05:50:45, skipping insertion in model container [2023-05-04 05:50:45,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 05:50:45" (3/3) ... [2023-05-04 05:50:45,160 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-collitem-symm.wvr.c [2023-05-04 05:50:45,167 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 05:50:45,175 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 05:50:45,176 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 05:50:45,176 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 05:50:45,262 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 05:50:45,316 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 05:50:45,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 05:50:45,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 05:50:45,321 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 05:50:45,339 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 05:50:45,362 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 05:50:45,384 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 05:50:45,392 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;@72797ada, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 05:50:45,392 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 05:50:45,630 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 05:50:45,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 05:50:45,637 INFO L85 PathProgramCache]: Analyzing trace with hash -2085100202, now seen corresponding path program 1 times [2023-05-04 05:50:45,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 05:50:45,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930332839] [2023-05-04 05:50:45,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 05:50:45,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 05:50:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 05:50:50,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 05:50:50,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 05:50:50,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930332839] [2023-05-04 05:50:50,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930332839] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 05:50:50,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 05:50:50,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-05-04 05:50:50,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075973660] [2023-05-04 05:50:50,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 05:50:50,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-05-04 05:50:50,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 05:50:50,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-05-04 05:50:50,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-05-04 05:50:50,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 05:50:50,231 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 05:50:50,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 12 states have internal predecessors, (97), 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 05:50:50,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 05:50:52,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 05:50:52,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 05:50:52,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 05:50:52,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 05:50:52,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 05:50:52,175 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2023-05-04 05:50:52,178 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 05:50:52,178 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 05:50:52,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 05:50:52 BasicIcfg [2023-05-04 05:50:52,180 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 05:50:52,181 INFO L158 Benchmark]: Toolchain (without parser) took 8581.20ms. Allocated memory was 177.2MB in the beginning and 320.9MB in the end (delta: 143.7MB). Free memory was 121.5MB in the beginning and 266.3MB in the end (delta: -144.8MB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 05:50:52,181 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 177.2MB. Free memory was 137.9MB in the beginning and 137.8MB in the end (delta: 75.3kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 05:50:52,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.06ms. Allocated memory is still 177.2MB. Free memory was 121.4MB in the beginning and 152.3MB in the end (delta: -31.0MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. [2023-05-04 05:50:52,182 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.53ms. Allocated memory is still 177.2MB. Free memory was 152.3MB in the beginning and 149.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 05:50:52,183 INFO L158 Benchmark]: Boogie Preprocessor took 50.66ms. Allocated memory is still 177.2MB. Free memory was 149.8MB in the beginning and 147.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 05:50:52,183 INFO L158 Benchmark]: RCFGBuilder took 1111.15ms. Allocated memory was 177.2MB in the beginning and 212.9MB in the end (delta: 35.7MB). Free memory was 147.9MB in the beginning and 145.2MB in the end (delta: 2.7MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. [2023-05-04 05:50:52,184 INFO L158 Benchmark]: TraceAbstraction took 7026.79ms. Allocated memory was 212.9MB in the beginning and 320.9MB in the end (delta: 108.0MB). Free memory was 144.2MB in the beginning and 266.3MB in the end (delta: -122.1MB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 05:50:52,186 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 177.2MB. Free memory was 137.9MB in the beginning and 137.8MB in the end (delta: 75.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 323.06ms. Allocated memory is still 177.2MB. Free memory was 121.4MB in the beginning and 152.3MB in the end (delta: -31.0MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 60.53ms. Allocated memory is still 177.2MB. Free memory was 152.3MB in the beginning and 149.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.66ms. Allocated memory is still 177.2MB. Free memory was 149.8MB in the beginning and 147.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1111.15ms. Allocated memory was 177.2MB in the beginning and 212.9MB in the end (delta: 35.7MB). Free memory was 147.9MB in the beginning and 145.2MB in the end (delta: 2.7MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. * TraceAbstraction took 7026.79ms. Allocated memory was 212.9MB in the beginning and 320.9MB in the end (delta: 108.0MB). Free memory was 144.2MB in the beginning and 266.3MB in the end (delta: -122.1MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 208, independent: 194, independent conditional: 40, independent unconditional: 154, dependent: 14, dependent conditional: 12, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 196, independent: 194, independent conditional: 40, independent unconditional: 154, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 196, independent: 194, independent conditional: 40, independent unconditional: 154, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 196, independent: 194, independent conditional: 0, independent unconditional: 194, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 196, independent: 194, independent conditional: 0, independent unconditional: 194, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 196, independent: 194, independent conditional: 0, independent unconditional: 194, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 156, independent: 154, independent conditional: 0, independent unconditional: 154, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 156, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 192, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 196, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 156, unknown conditional: 0, unknown unconditional: 156] , Statistics on independence cache: Total cache size (in pairs): 156, Positive cache size: 154, Positive conditional cache size: 0, Positive unconditional cache size: 154, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, 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: 12 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 119, Number of trivial persistent sets: 113, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 156, independent: 154, independent conditional: 0, independent unconditional: 154, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 208, independent: 194, independent conditional: 40, independent unconditional: 154, dependent: 14, dependent conditional: 12, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 196, independent: 194, independent conditional: 40, independent unconditional: 154, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 196, independent: 194, independent conditional: 40, independent unconditional: 154, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 196, independent: 194, independent conditional: 0, independent unconditional: 194, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 196, independent: 194, independent conditional: 0, independent unconditional: 194, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 196, independent: 194, independent conditional: 0, independent unconditional: 194, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 156, independent: 154, independent conditional: 0, independent unconditional: 154, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 156, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 192, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 196, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 156, unknown conditional: 0, unknown unconditional: 156] , Statistics on independence cache: Total cache size (in pairs): 156, Positive cache size: 154, Positive conditional cache size: 0, Positive unconditional cache size: 154, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, 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: 12 - PositiveResult [Line: 87]: 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, 122 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 6.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.2s, 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: 14, 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, 0.4s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 2004 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-05-04 05:50:52,224 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 05:50:52,432 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...