/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stateful01-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-23 05:43:04,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-23 05:43:04,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-23 05:43:04,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-23 05:43:04,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-23 05:43:04,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-23 05:43:04,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-23 05:43:04,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-23 05:43:04,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-23 05:43:04,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-23 05:43:04,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-23 05:43:04,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-23 05:43:04,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-23 05:43:04,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-23 05:43:04,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-23 05:43:04,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-23 05:43:04,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-23 05:43:04,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-23 05:43:04,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-23 05:43:04,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-23 05:43:04,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-23 05:43:04,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-23 05:43:04,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-23 05:43:04,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-23 05:43:04,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-23 05:43:04,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-23 05:43:04,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-23 05:43:04,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-23 05:43:04,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-23 05:43:04,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-23 05:43:04,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-23 05:43:04,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-23 05:43:04,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-23 05:43:04,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-23 05:43:04,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-23 05:43:04,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-23 05:43:04,745 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random521.epf [2021-08-23 05:43:04,761 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-23 05:43:04,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-23 05:43:04,762 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-23 05:43:04,762 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-23 05:43:04,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-23 05:43:04,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-23 05:43:04,763 INFO L138 SettingsManager]: * Use SBE=true [2021-08-23 05:43:04,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-23 05:43:04,763 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-23 05:43:04,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-23 05:43:04,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-23 05:43:04,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-23 05:43:04,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-23 05:43:04,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-23 05:43:04,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-23 05:43:04,764 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-23 05:43:04,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-23 05:43:04,764 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-23 05:43:04,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-23 05:43:04,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-23 05:43:04,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-23 05:43:04,765 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-23 05:43:04,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-23 05:43:04,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 05:43:04,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-23 05:43:04,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-23 05:43:04,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-23 05:43:04,766 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-23 05:43:04,766 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-23 05:43:04,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-23 05:43:04,766 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-23 05:43:04,766 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-23 05:43:04,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-23 05:43:04,766 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-23 05:43:04,766 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-23 05:43:04,767 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-23 05:43:04,767 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-23 05:43:05,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-23 05:43:05,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-23 05:43:05,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-23 05:43:05,048 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-23 05:43:05,048 INFO L275 PluginConnector]: CDTParser initialized [2021-08-23 05:43:05,051 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-1.i [2021-08-23 05:43:05,102 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b6bbe85f/35d9acb2a5cc4b519a47aa98a982d185/FLAGe56e5ba21 [2021-08-23 05:43:05,479 INFO L306 CDTParser]: Found 1 translation units. [2021-08-23 05:43:05,479 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i [2021-08-23 05:43:05,500 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b6bbe85f/35d9acb2a5cc4b519a47aa98a982d185/FLAGe56e5ba21 [2021-08-23 05:43:05,517 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b6bbe85f/35d9acb2a5cc4b519a47aa98a982d185 [2021-08-23 05:43:05,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-23 05:43:05,521 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-23 05:43:05,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-23 05:43:05,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-23 05:43:05,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-23 05:43:05,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 05:43:05" (1/1) ... [2021-08-23 05:43:05,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d37b265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 05:43:05, skipping insertion in model container [2021-08-23 05:43:05,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.08 05:43:05" (1/1) ... [2021-08-23 05:43:05,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-23 05:43:05,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-23 05:43:05,843 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i[30826,30839] [2021-08-23 05:43:05,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-23 05:43:05,856 INFO L203 MainTranslator]: Completed pre-run [2021-08-23 05:43:05,883 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i[30826,30839] [2021-08-23 05:43:05,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-23 05:43:05,912 INFO L208 MainTranslator]: Completed translation [2021-08-23 05:43:05,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 05:43:05 WrapperNode [2021-08-23 05:43:05,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-23 05:43:05,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-23 05:43:05,914 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-23 05:43:05,914 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-23 05:43:05,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 05:43:05" (1/1) ... [2021-08-23 05:43:05,940 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 05:43:05" (1/1) ... [2021-08-23 05:43:05,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-23 05:43:05,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-23 05:43:05,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-23 05:43:05,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-23 05:43:05,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 05:43:05" (1/1) ... [2021-08-23 05:43:05,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 05:43:05" (1/1) ... [2021-08-23 05:43:05,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 05:43:05" (1/1) ... [2021-08-23 05:43:05,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 05:43:05" (1/1) ... [2021-08-23 05:43:05,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 05:43:05" (1/1) ... [2021-08-23 05:43:05,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 05:43:05" (1/1) ... [2021-08-23 05:43:05,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 05:43:05" (1/1) ... [2021-08-23 05:43:05,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-23 05:43:05,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-23 05:43:05,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-23 05:43:05,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-23 05:43:05,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 05:43:05" (1/1) ... [2021-08-23 05:43:05,976 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 05:43:05,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 05:43:05,993 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) [2021-08-23 05:43:06,037 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 [2021-08-23 05:43:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-23 05:43:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-23 05:43:06,054 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-23 05:43:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-23 05:43:06,055 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-23 05:43:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-23 05:43:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-08-23 05:43:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-23 05:43:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-23 05:43:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-23 05:43:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-23 05:43:06,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-23 05:43:06,056 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-23 05:43:06,438 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-23 05:43:06,439 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-23 05:43:06,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 05:43:06 BoogieIcfgContainer [2021-08-23 05:43:06,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-23 05:43:06,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-23 05:43:06,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-23 05:43:06,443 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-23 05:43:06,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.08 05:43:05" (1/3) ... [2021-08-23 05:43:06,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb9e304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 05:43:06, skipping insertion in model container [2021-08-23 05:43:06,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.08 05:43:05" (2/3) ... [2021-08-23 05:43:06,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb9e304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 05:43:06, skipping insertion in model container [2021-08-23 05:43:06,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 05:43:06" (3/3) ... [2021-08-23 05:43:06,445 INFO L111 eAbstractionObserver]: Analyzing ICFG stateful01-1.i [2021-08-23 05:43:06,448 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-23 05:43:06,448 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-23 05:43:06,448 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-23 05:43:06,448 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-23 05:43:06,465 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,466 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,466 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,466 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,466 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,466 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,466 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,466 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,466 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,467 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,467 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,467 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,467 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,467 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,467 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,467 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,467 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,468 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,468 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,468 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,468 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,468 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,468 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,468 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,468 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,469 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,469 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,469 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,469 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,469 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,469 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,469 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,470 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,470 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,470 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,470 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,470 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,470 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,470 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,470 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,471 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,471 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,471 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,471 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,471 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,471 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,472 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,472 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,472 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,472 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,472 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,472 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,474 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,474 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,474 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,475 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,475 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,475 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,478 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,478 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,478 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,478 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,478 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,478 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,479 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,479 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-23 05:43:06,483 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-08-23 05:43:06,510 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 05:43:06,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 05:43:06,512 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) [2021-08-23 05:43:06,525 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 [2021-08-23 05:43:06,545 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-23 05:43:06,552 INFO L339 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, mConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-08-23 05:43:06,552 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-23 05:43:06,725 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-23 05:43:06,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 05:43:06,728 INFO L82 PathProgramCache]: Analyzing trace with hash 2043845929, now seen corresponding path program 1 times [2021-08-23 05:43:06,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 05:43:06,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465511243] [2021-08-23 05:43:06,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 05:43:06,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 05:43:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 05:43:06,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 05:43:06,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 05:43:06,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465511243] [2021-08-23 05:43:06,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465511243] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 05:43:06,981 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 05:43:06,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 05:43:06,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377421530] [2021-08-23 05:43:06,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 05:43:06,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 05:43:06,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 05:43:07,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 05:43:07,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:43:07,007 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 05:43:07,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2021-08-23 05:43:07,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 05:43:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 05:43:07,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-23 05:43:07,122 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-23 05:43:07,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 05:43:07,125 INFO L82 PathProgramCache]: Analyzing trace with hash -598430329, now seen corresponding path program 2 times [2021-08-23 05:43:07,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 05:43:07,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043205168] [2021-08-23 05:43:07,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 05:43:07,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 05:43:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-23 05:43:07,223 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-23 05:43:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-23 05:43:07,320 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-23 05:43:07,321 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-23 05:43:07,321 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-23 05:43:07,322 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-23 05:43:07,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-23 05:43:07,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-23 05:43:07,329 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-23 05:43:07,329 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-23 05:43:07,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 05:43:07 BasicIcfg [2021-08-23 05:43:07,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-23 05:43:07,397 INFO L168 Benchmark]: Toolchain (without parser) took 1876.23 ms. Allocated memory is still 228.6 MB. Free memory was 192.1 MB in the beginning and 104.3 MB in the end (delta: 87.8 MB). Peak memory consumption was 88.8 MB. Max. memory is 8.0 GB. [2021-08-23 05:43:07,398 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 228.6 MB. Free memory is still 209.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-23 05:43:07,398 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.63 ms. Allocated memory is still 228.6 MB. Free memory was 191.9 MB in the beginning and 201.8 MB in the end (delta: -9.9 MB). Peak memory consumption was 13.3 MB. Max. memory is 8.0 GB. [2021-08-23 05:43:07,398 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.27 ms. Allocated memory is still 228.6 MB. Free memory was 201.8 MB in the beginning and 199.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-23 05:43:07,399 INFO L168 Benchmark]: Boogie Preprocessor took 12.62 ms. Allocated memory is still 228.6 MB. Free memory was 199.7 MB in the beginning and 198.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-23 05:43:07,399 INFO L168 Benchmark]: RCFGBuilder took 471.87 ms. Allocated memory is still 228.6 MB. Free memory was 198.6 MB in the beginning and 172.9 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2021-08-23 05:43:07,399 INFO L168 Benchmark]: TraceAbstraction took 954.90 ms. Allocated memory is still 228.6 MB. Free memory was 172.4 MB in the beginning and 104.3 MB in the end (delta: 68.2 MB). Peak memory consumption was 68.2 MB. Max. memory is 8.0 GB. [2021-08-23 05:43:07,401 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 228.6 MB. Free memory is still 209.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 389.63 ms. Allocated memory is still 228.6 MB. Free memory was 191.9 MB in the beginning and 201.8 MB in the end (delta: -9.9 MB). Peak memory consumption was 13.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 41.27 ms. Allocated memory is still 228.6 MB. Free memory was 201.8 MB in the beginning and 199.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.62 ms. Allocated memory is still 228.6 MB. Free memory was 199.7 MB in the beginning and 198.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 471.87 ms. Allocated memory is still 228.6 MB. Free memory was 198.6 MB in the beginning and 172.9 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 954.90 ms. Allocated memory is still 228.6 MB. Free memory was 172.4 MB in the beginning and 104.3 MB in the end (delta: 68.2 MB). Peak memory consumption was 68.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 743, positive: 722, positive conditional: 92, positive unconditional: 630, negative: 21, negative conditional: 4, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 741, positive: 722, positive conditional: 92, positive unconditional: 630, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 741, positive: 722, positive conditional: 92, positive unconditional: 630, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 743, positive: 722, positive conditional: 34, positive unconditional: 688, negative: 21, negative conditional: 2, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 743, positive: 722, positive conditional: 19, positive unconditional: 703, negative: 21, negative conditional: 2, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 743, positive: 722, positive conditional: 19, positive unconditional: 703, negative: 21, negative conditional: 2, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 653, positive: 634, positive conditional: 1, positive unconditional: 633, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 653, positive: 628, positive conditional: 0, positive unconditional: 628, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 25, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 58, negative conditional: 4, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 743, positive: 88, positive conditional: 18, positive unconditional: 70, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 653, unknown conditional: 3, unknown unconditional: 650] , Statistics on independence cache: Total cache size (in pairs): 653, Positive cache size: 634, Positive conditional cache size: 1, Positive unconditional cache size: 633, Negative cache size: 19, Negative conditional cache size: 2, Negative unconditional cache size: 17, Eliminated conditions: 15, Maximal queried relation: 1, Independence queries for same thread: 2 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 151, Number of persistent set computation: 102, Number of trivial persistent sets: 77, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 647, positive: 630, positive conditional: 0, positive unconditional: 630, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 743, positive: 722, positive conditional: 92, positive unconditional: 630, negative: 21, negative conditional: 4, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 741, positive: 722, positive conditional: 92, positive unconditional: 630, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 741, positive: 722, positive conditional: 92, positive unconditional: 630, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 743, positive: 722, positive conditional: 34, positive unconditional: 688, negative: 21, negative conditional: 2, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 743, positive: 722, positive conditional: 19, positive unconditional: 703, negative: 21, negative conditional: 2, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 743, positive: 722, positive conditional: 19, positive unconditional: 703, negative: 21, negative conditional: 2, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 653, positive: 634, positive conditional: 1, positive unconditional: 633, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 653, positive: 628, positive conditional: 0, positive unconditional: 628, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 25, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 58, negative conditional: 4, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 743, positive: 88, positive conditional: 18, positive unconditional: 70, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 653, unknown conditional: 3, unknown unconditional: 650] , Statistics on independence cache: Total cache size (in pairs): 653, Positive cache size: 634, Positive conditional cache size: 1, Positive unconditional cache size: 633, Negative cache size: 19, Negative conditional cache size: 2, Negative unconditional cache size: 17, Eliminated conditions: 15, Maximal queried relation: 1, Independence queries for same thread: 2 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 727]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L692] 0 pthread_mutex_t ma, mb; VAL [ma={7:0}, mb={9:0}] [L693] 0 int data1, data2; VAL [data1=0, data2=0, ma={7:0}, mb={9:0}] [L716] 0 pthread_t t1, t2; VAL [data1=0, data2=0, ma={7:0}, mb={9:0}] [L719] 0 data1 = 10 VAL [data1=10, data2=0, ma={7:0}, mb={9:0}] [L720] 0 data2 = 10 VAL [data1=10, data2=10, ma={7:0}, mb={9:0}] [L721] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, data1=10, data2=10, ma={7:0}, mb={9:0}] [L722] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, data1=10, data2=10, ma={7:0}, mb={9:0}, pthread_mutex_lock(&ma)=0] [L723] 0 \read(t1) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=10, data2=10, ma={7:0}, mb={9:0}, pthread_mutex_lock(&ma)=0] [L697] 1 data1++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=10, ma={7:0}, mb={9:0}] [L700] 1 data2++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=11, ma={7:0}, mb={9:0}] [L702] 1 return 0; VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=11, ma={7:0}, mb={9:0}] [L707] 2 data1+=5 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={7:0}, mb={9:0}] [L723] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={7:0}, mb={9:0}] [L724] 0 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={7:0}, mb={9:0}] [L710] 2 data2-=6 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={7:0}, mb={9:0}] [L712] 2 return 0; VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={7:0}, mb={9:0}] [L724] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={7:0}, mb={9:0}] [L725] COND TRUE 0 data1==16 && data2==5 VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={7:0}, mb={9:0}] [L727] 0 reach_error() VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={7:0}, mb={9:0}] - UnprovableResult [Line: 722]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 721]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 818.8ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.2ms, PartialOrderReductionTime: 268.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 10.9ms SsaConstructionTime, 144.1ms SatisfiabilityAnalysisTime, 110.7ms InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 122 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 RESULT: Ultimate proved your program to be incorrect! [2021-08-23 05:43:07,433 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 [2021-08-23 05:43:07,623 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...