./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f7757e6e73d857d492b029f13f86cb5d550622238e5a2b483c58ab6fc3ffdeb1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 17:24:17,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 17:24:17,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 17:24:17,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 17:24:17,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 17:24:17,915 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 17:24:17,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 17:24:17,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 17:24:17,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 17:24:17,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 17:24:17,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 17:24:17,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 17:24:17,929 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 17:24:17,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 17:24:17,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 17:24:17,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 17:24:17,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 17:24:17,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 17:24:17,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 17:24:17,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 17:24:17,944 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 17:24:17,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 17:24:17,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 17:24:17,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 17:24:17,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 17:24:17,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 17:24:17,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 17:24:17,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 17:24:17,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 17:24:17,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 17:24:17,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 17:24:17,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 17:24:17,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 17:24:17,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 17:24:17,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 17:24:17,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 17:24:17,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 17:24:17,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 17:24:17,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 17:24:17,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 17:24:17,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 17:24:17,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 17:24:17,966 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-04-18 17:24:17,993 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 17:24:17,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 17:24:17,995 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 17:24:17,995 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 17:24:17,995 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 17:24:17,996 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 17:24:17,996 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 17:24:17,996 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 17:24:17,997 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 17:24:17,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 17:24:17,998 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 17:24:17,998 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 17:24:17,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 17:24:17,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 17:24:17,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 17:24:17,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 17:24:17,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 17:24:17,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 17:24:17,999 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 17:24:18,000 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 17:24:18,000 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 17:24:18,001 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 17:24:18,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 17:24:18,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 17:24:18,001 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 17:24:18,002 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-18 17:24:18,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 17:24:18,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 17:24:18,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 17:24:18,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 17:24:18,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 17:24:18,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 17:24:18,016 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-04-18 17:24:18,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 17:24:18,017 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 17:24:18,018 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-04-18 17:24:18,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 17:24:18,018 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-04-18 17:24:18,018 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-04-18 17:24:18,019 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7757e6e73d857d492b029f13f86cb5d550622238e5a2b483c58ab6fc3ffdeb1 [2022-04-18 17:24:18,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 17:24:18,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 17:24:18,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 17:24:18,253 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 17:24:18,254 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 17:24:18,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i [2022-04-18 17:24:18,304 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1d3590c86/65d6fbb76c7e4e928af095d39c435b8e/FLAGd1c08acc1 [2022-04-18 17:24:18,752 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 17:24:18,753 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i [2022-04-18 17:24:18,768 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1d3590c86/65d6fbb76c7e4e928af095d39c435b8e/FLAGd1c08acc1 [2022-04-18 17:24:19,301 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1d3590c86/65d6fbb76c7e4e928af095d39c435b8e [2022-04-18 17:24:19,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 17:24:19,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 17:24:19,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 17:24:19,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 17:24:19,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 17:24:19,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:24:19" (1/1) ... [2022-04-18 17:24:19,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@463dc743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:24:19, skipping insertion in model container [2022-04-18 17:24:19,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 05:24:19" (1/1) ... [2022-04-18 17:24:19,321 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 17:24:19,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 17:24:19,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i[30287,30300] [2022-04-18 17:24:19,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 17:24:19,601 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 17:24:19,656 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i[30287,30300] [2022-04-18 17:24:19,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 17:24:19,694 INFO L208 MainTranslator]: Completed translation [2022-04-18 17:24:19,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:24:19 WrapperNode [2022-04-18 17:24:19,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 17:24:19,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 17:24:19,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 17:24:19,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 17:24:19,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:24:19" (1/1) ... [2022-04-18 17:24:19,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:24:19" (1/1) ... [2022-04-18 17:24:19,741 INFO L137 Inliner]: procedures = 167, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-04-18 17:24:19,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 17:24:19,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 17:24:19,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 17:24:19,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 17:24:19,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:24:19" (1/1) ... [2022-04-18 17:24:19,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:24:19" (1/1) ... [2022-04-18 17:24:19,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:24:19" (1/1) ... [2022-04-18 17:24:19,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:24:19" (1/1) ... [2022-04-18 17:24:19,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:24:19" (1/1) ... [2022-04-18 17:24:19,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:24:19" (1/1) ... [2022-04-18 17:24:19,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:24:19" (1/1) ... [2022-04-18 17:24:19,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 17:24:19,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 17:24:19,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 17:24:19,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 17:24:19,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:24:19" (1/1) ... [2022-04-18 17:24:19,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 17:24:19,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 17:24:19,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 17:24:19,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 17:24:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-04-18 17:24:19,829 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-04-18 17:24:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 17:24:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 17:24:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 17:24:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 17:24:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 17:24:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 17:24:19,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 17:24:19,830 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 17:24:19,901 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 17:24:19,903 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 17:24:20,024 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 17:24:20,029 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 17:24:20,029 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-04-18 17:24:20,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 05:24:20 BoogieIcfgContainer [2022-04-18 17:24:20,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 17:24:20,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 17:24:20,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 17:24:20,035 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 17:24:20,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 05:24:19" (1/3) ... [2022-04-18 17:24:20,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@234ae117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 05:24:20, skipping insertion in model container [2022-04-18 17:24:20,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 05:24:19" (2/3) ... [2022-04-18 17:24:20,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@234ae117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 05:24:20, skipping insertion in model container [2022-04-18 17:24:20,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 05:24:20" (3/3) ... [2022-04-18 17:24:20,038 INFO L111 eAbstractionObserver]: Analyzing ICFG 28_buggy_simple_loop1_vf.i [2022-04-18 17:24:20,042 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 17:24:20,042 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 17:24:20,042 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-04-18 17:24:20,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@234ae117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 05:24:20, skipping insertion in model container [2022-04-18 17:24:20,043 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 17:24:20,044 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 17:24:20,044 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 17:24:20,044 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 17:24:20,045 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 05:24:20" (3/3) ... [2022-04-18 17:24:20,047 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 17:24:20,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2022-04-18 17:24:20,055 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-04-18 17:24:20,055 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-04-18 17:24:20,055 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-04-18 17:24:20,055 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 17:24:20,079 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2022-04-18 17:24:20,079 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 17:24:20,081 INFO L158 Benchmark]: Toolchain (without parser) took 772.36ms. Allocated memory is still 127.9MB. Free memory was 105.6MB in the beginning and 68.2MB in the end (delta: 37.4MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-04-18 17:24:20,081 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 88.1MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 17:24:20,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.44ms. Allocated memory is still 127.9MB. Free memory was 105.1MB in the beginning and 86.6MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-04-18 17:24:20,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.12ms. Allocated memory is still 127.9MB. Free memory was 86.6MB in the beginning and 84.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 17:24:20,083 INFO L158 Benchmark]: Boogie Preprocessor took 20.37ms. Allocated memory is still 127.9MB. Free memory was 84.5MB in the beginning and 83.5MB in the end (delta: 989.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 17:24:20,084 INFO L158 Benchmark]: RCFGBuilder took 267.23ms. Allocated memory is still 127.9MB. Free memory was 83.5MB in the beginning and 71.9MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-04-18 17:24:20,084 INFO L158 Benchmark]: TraceAbstraction took 11.04ms. Allocated memory is still 127.9MB. Free memory was 71.4MB in the beginning and 70.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 17:24:20,085 INFO L158 Benchmark]: Witness Printer took 35.38ms. Allocated memory is still 127.9MB. Free memory was 70.3MB in the beginning and 68.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 17:24:20,088 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 88.1MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.44ms. Allocated memory is still 127.9MB. Free memory was 105.1MB in the beginning and 86.6MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.12ms. Allocated memory is still 127.9MB. Free memory was 86.6MB in the beginning and 84.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.37ms. Allocated memory is still 127.9MB. Free memory was 84.5MB in the beginning and 83.5MB in the end (delta: 989.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 267.23ms. Allocated memory is still 127.9MB. Free memory was 83.5MB in the beginning and 71.9MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 11.04ms. Allocated memory is still 127.9MB. Free memory was 71.4MB in the beginning and 70.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 35.38ms. Allocated memory is still 127.9MB. Free memory was 70.3MB in the beginning and 68.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-04-18 17:24:20,128 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE