./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread/bigshot_s.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread/bigshot_s.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4d8c741fd238f074816319de9a9bd5d97cd9b35eb7f53a276be973ea0c31ecbe --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 09:16:32,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:16:32,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:16:32,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:16:32,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:16:32,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:16:32,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:16:32,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:16:32,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:16:32,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:16:32,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:16:32,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:16:32,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:16:32,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:16:32,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:16:32,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:16:32,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:16:32,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:16:32,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:16:32,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:16:32,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:16:32,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:16:32,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:16:32,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:16:32,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:16:32,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:16:32,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:16:32,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:16:32,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:16:32,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:16:32,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:16:32,920 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:16:32,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:16:32,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:16:32,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:16:32,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:16:32,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:16:32,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:16:32,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:16:32,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:16:32,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:16:32,927 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 09:16:32,960 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:16:32,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:16:32,961 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:16:32,961 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:16:32,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:16:32,962 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:16:32,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:16:32,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:16:32,963 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:16:32,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:16:32,964 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:16:32,965 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:16:32,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 09:16:32,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:16:32,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:16:32,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:16:32,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:16:32,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:16:32,966 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:16:32,966 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:16:32,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:16:32,966 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:16:32,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:16:32,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:16:32,967 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:16:32,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:16:32,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:16:32,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:16:32,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:16:32,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:16:32,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 09:16:32,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 09:16:32,969 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:16:32,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:16:32,969 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:16:32,969 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:16:32,969 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:16:32,970 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d8c741fd238f074816319de9a9bd5d97cd9b35eb7f53a276be973ea0c31ecbe Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 09:16:33,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:16:33,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:16:33,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:16:33,316 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:16:33,316 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:16:33,317 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/bigshot_s.i [2023-08-29 09:16:34,455 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:16:34,765 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:16:34,765 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s.i [2023-08-29 09:16:34,783 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1dbc58ef/acc71114babd4c6f81d136590253ec5d/FLAG000cc26da [2023-08-29 09:16:34,802 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1dbc58ef/acc71114babd4c6f81d136590253ec5d [2023-08-29 09:16:34,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:16:34,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:16:34,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:16:34,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:16:34,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:16:34,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:16:34" (1/1) ... [2023-08-29 09:16:34,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67e49559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:16:34, skipping insertion in model container [2023-08-29 09:16:34,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:16:34" (1/1) ... [2023-08-29 09:16:34,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:16:34,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:16:35,234 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s.i[55202,55215] [2023-08-29 09:16:35,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:16:35,268 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:16:35,321 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s.i[55202,55215] [2023-08-29 09:16:35,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:16:35,393 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:16:35,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:16:35 WrapperNode [2023-08-29 09:16:35,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:16:35,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:16:35,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:16:35,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:16:35,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:16:35" (1/1) ... [2023-08-29 09:16:35,415 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:16:35" (1/1) ... [2023-08-29 09:16:35,433 INFO L138 Inliner]: procedures = 323, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2023-08-29 09:16:35,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:16:35,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:16:35,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:16:35,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:16:35,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:16:35" (1/1) ... [2023-08-29 09:16:35,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:16:35" (1/1) ... [2023-08-29 09:16:35,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:16:35" (1/1) ... [2023-08-29 09:16:35,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:16:35" (1/1) ... [2023-08-29 09:16:35,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:16:35" (1/1) ... [2023-08-29 09:16:35,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:16:35" (1/1) ... [2023-08-29 09:16:35,470 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:16:35" (1/1) ... [2023-08-29 09:16:35,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:16:35" (1/1) ... [2023-08-29 09:16:35,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:16:35,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:16:35,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:16:35,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:16:35,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:16:35" (1/1) ... [2023-08-29 09:16:35,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:16:35,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:16:35,522 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) [2023-08-29 09:16:35,542 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 [2023-08-29 09:16:35,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:16:35,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:16:35,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-08-29 09:16:35,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 09:16:35,559 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 09:16:35,559 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 09:16:35,559 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 09:16:35,560 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 09:16:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 09:16:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 09:16:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:16:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 09:16:35,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:16:35,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:16:35,561 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 09:16:35,740 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:16:35,743 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:16:35,948 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:16:35,957 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:16:35,957 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-08-29 09:16:35,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:16:35 BoogieIcfgContainer [2023-08-29 09:16:35,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:16:35,963 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:16:35,963 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:16:35,965 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:16:35,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:16:34" (1/3) ... [2023-08-29 09:16:35,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e118bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:16:35, skipping insertion in model container [2023-08-29 09:16:35,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:16:35" (2/3) ... [2023-08-29 09:16:35,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e118bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:16:35, skipping insertion in model container [2023-08-29 09:16:35,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:16:35" (3/3) ... [2023-08-29 09:16:35,968 INFO L112 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2023-08-29 09:16:35,974 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:16:35,982 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:16:35,983 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-08-29 09:16:35,983 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:16:36,089 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 09:16:36,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 120 places, 118 transitions, 252 flow [2023-08-29 09:16:36,192 INFO L130 PetriNetUnfolder]: 5/116 cut-off events. [2023-08-29 09:16:36,193 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 09:16:36,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 116 events. 5/116 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 104 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2023-08-29 09:16:36,197 INFO L82 GeneralOperation]: Start removeDead. Operand has 120 places, 118 transitions, 252 flow [2023-08-29 09:16:36,201 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 101 places, 97 transitions, 206 flow [2023-08-29 09:16:36,204 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 09:16:36,215 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 97 transitions, 206 flow [2023-08-29 09:16:36,219 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 97 transitions, 206 flow [2023-08-29 09:16:36,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 101 places, 97 transitions, 206 flow [2023-08-29 09:16:36,255 INFO L130 PetriNetUnfolder]: 3/97 cut-off events. [2023-08-29 09:16:36,255 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 09:16:36,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 97 events. 3/97 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2023-08-29 09:16:36,257 INFO L119 LiptonReduction]: Number of co-enabled transitions 630 [2023-08-29 09:16:39,234 INFO L134 LiptonReduction]: Checked pairs total: 645 [2023-08-29 09:16:39,235 INFO L136 LiptonReduction]: Total number of compositions: 100 [2023-08-29 09:16:39,246 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 09:16:39,250 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=PETRI_NET, 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;@22d0a716, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 09:16:39,251 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2023-08-29 09:16:39,253 INFO L130 PetriNetUnfolder]: 0/2 cut-off events. [2023-08-29 09:16:39,253 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:16:39,253 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:16:39,254 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-29 09:16:39,254 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-08-29 09:16:39,258 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:16:39,258 INFO L85 PathProgramCache]: Analyzing trace with hash 419841, now seen corresponding path program 1 times [2023-08-29 09:16:39,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:16:39,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273825481] [2023-08-29 09:16:39,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:16:39,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:16:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:16:39,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 09:16:39,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:16:39,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273825481] [2023-08-29 09:16:39,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273825481] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:16:39,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:16:39,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 09:16:39,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583617133] [2023-08-29 09:16:39,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:16:39,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 09:16:39,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:16:39,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 09:16:39,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 09:16:39,439 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 218 [2023-08-29 09:16:39,442 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 21 transitions, 54 flow. Second operand has 2 states, 2 states have (on average 112.5) internal successors, (225), 2 states have internal predecessors, (225), 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) [2023-08-29 09:16:39,442 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:16:39,442 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 218 [2023-08-29 09:16:39,443 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:16:39,481 INFO L130 PetriNetUnfolder]: 7/21 cut-off events. [2023-08-29 09:16:39,481 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 09:16:39,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 21 events. 7/21 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 17 event pairs, 3 based on Foata normal form. 1/18 useless extension candidates. Maximal degree in co-relation 31. Up to 22 conditions per place. [2023-08-29 09:16:39,483 INFO L137 encePairwiseOnDemand]: 210/218 looper letters, 0 selfloop transitions, 0 changer transitions 13/13 dead transitions. [2023-08-29 09:16:39,483 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 13 transitions, 64 flow [2023-08-29 09:16:39,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 09:16:39,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 09:16:39,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 243 transitions. [2023-08-29 09:16:39,496 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5573394495412844 [2023-08-29 09:16:39,497 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 243 transitions. [2023-08-29 09:16:39,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 243 transitions. [2023-08-29 09:16:39,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:16:39,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 243 transitions. [2023-08-29 09:16:39,506 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 121.5) internal successors, (243), 2 states have internal predecessors, (243), 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) [2023-08-29 09:16:39,512 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 218.0) internal successors, (654), 3 states have internal predecessors, (654), 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) [2023-08-29 09:16:39,513 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 218.0) internal successors, (654), 3 states have internal predecessors, (654), 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) [2023-08-29 09:16:39,514 INFO L175 Difference]: Start difference. First operand has 26 places, 21 transitions, 54 flow. Second operand 2 states and 243 transitions. [2023-08-29 09:16:39,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 13 transitions, 64 flow [2023-08-29 09:16:39,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 15 places, 13 transitions, 56 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 09:16:39,518 INFO L231 Difference]: Finished difference. Result has 15 places, 0 transitions, 0 flow [2023-08-29 09:16:39,519 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=15, PETRI_TRANSITIONS=0} [2023-08-29 09:16:39,522 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, -11 predicate places. [2023-08-29 09:16:39,522 INFO L495 AbstractCegarLoop]: Abstraction has has 15 places, 0 transitions, 0 flow [2023-08-29 09:16:39,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 112.5) internal successors, (225), 2 states have internal predecessors, (225), 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) [2023-08-29 09:16:39,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2023-08-29 09:16:39,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2023-08-29 09:16:39,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2023-08-29 09:16:39,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2023-08-29 09:16:39,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2023-08-29 09:16:39,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2023-08-29 09:16:39,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2023-08-29 09:16:39,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2023-08-29 09:16:39,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 13 remaining) [2023-08-29 09:16:39,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 13 remaining) [2023-08-29 09:16:39,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2023-08-29 09:16:39,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2023-08-29 09:16:39,532 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2023-08-29 09:16:39,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 09:16:39,536 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-29 09:16:39,547 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 09:16:39,549 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 09:16:39,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 09:16:39 BasicIcfg [2023-08-29 09:16:39,556 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 09:16:39,558 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 09:16:39,559 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 09:16:39,559 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 09:16:39,559 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:16:35" (3/4) ... [2023-08-29 09:16:39,561 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 09:16:39,565 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 09:16:39,566 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 09:16:39,569 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-08-29 09:16:39,569 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-08-29 09:16:39,569 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-08-29 09:16:39,569 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 09:16:39,570 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 09:16:39,601 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 09:16:39,603 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 09:16:39,604 INFO L158 Benchmark]: Toolchain (without parser) took 4798.44ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 47.4MB in the beginning and 60.4MB in the end (delta: -13.1MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2023-08-29 09:16:39,604 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory was 32.5MB in the beginning and 32.5MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:16:39,608 INFO L158 Benchmark]: CACSL2BoogieTranslator took 586.93ms. Allocated memory is still 71.3MB. Free memory was 47.2MB in the beginning and 32.7MB in the end (delta: 14.5MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2023-08-29 09:16:39,608 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.84ms. Allocated memory is still 71.3MB. Free memory was 32.7MB in the beginning and 30.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:16:39,608 INFO L158 Benchmark]: Boogie Preprocessor took 39.62ms. Allocated memory is still 71.3MB. Free memory was 30.1MB in the beginning and 49.7MB in the end (delta: -19.7MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2023-08-29 09:16:39,609 INFO L158 Benchmark]: RCFGBuilder took 484.90ms. Allocated memory is still 71.3MB. Free memory was 49.4MB in the beginning and 33.4MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-29 09:16:39,609 INFO L158 Benchmark]: TraceAbstraction took 3593.44ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 33.0MB in the beginning and 30.3MB in the end (delta: 2.7MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2023-08-29 09:16:39,610 INFO L158 Benchmark]: Witness Printer took 44.84ms. Allocated memory is still 86.0MB. Free memory was 30.3MB in the beginning and 60.4MB in the end (delta: -30.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:16:39,611 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 54.5MB. Free memory was 32.5MB in the beginning and 32.5MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 586.93ms. Allocated memory is still 71.3MB. Free memory was 47.2MB in the beginning and 32.7MB in the end (delta: 14.5MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.84ms. Allocated memory is still 71.3MB. Free memory was 32.7MB in the beginning and 30.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.62ms. Allocated memory is still 71.3MB. Free memory was 30.1MB in the beginning and 49.7MB in the end (delta: -19.7MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * RCFGBuilder took 484.90ms. Allocated memory is still 71.3MB. Free memory was 49.4MB in the beginning and 33.4MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3593.44ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 33.0MB in the beginning and 30.3MB in the end (delta: 2.7MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Witness Printer took 44.84ms. Allocated memory is still 86.0MB. Free memory was 30.3MB in the beginning and 60.4MB in the end (delta: -30.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.0s, 101 PlacesBefore, 26 PlacesAfterwards, 97 TransitionsBefore, 21 TransitionsAfterwards, 630 CoEnabledTransitionPairs, 6 FixpointIterations, 40 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 100 TotalNumberOfCompositions, 645 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 614, independent: 605, independent conditional: 0, independent unconditional: 605, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 369, independent: 364, independent conditional: 0, independent unconditional: 364, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 614, independent: 241, independent conditional: 0, independent unconditional: 241, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 369, unknown conditional: 0, unknown unconditional: 369] , Statistics on independence cache: Total cache size (in pairs): 5, Positive cache size: 4, Positive conditional cache size: 0, Positive unconditional cache size: 4, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 1111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1123]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1126]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 150 locations, 13 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 09:16:39,628 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE