./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/04-mutex_15-funarg_nr.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/goblint-regression/04-mutex_15-funarg_nr.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 df8b3c6576309918ab02364f32df18a2107bf04dd579248cd48dca03e33a8ed2 --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 17:28:37,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 17:28:37,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 17:28:37,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 17:28:37,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 17:28:37,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 17:28:37,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 17:28:37,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 17:28:37,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 17:28:37,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 17:28:37,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 17:28:37,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 17:28:37,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 17:28:37,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 17:28:37,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 17:28:37,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 17:28:37,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 17:28:37,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 17:28:37,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 17:28:37,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 17:28:37,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 17:28:37,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 17:28:37,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 17:28:37,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 17:28:37,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 17:28:37,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 17:28:37,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 17:28:37,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 17:28:37,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 17:28:37,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 17:28:37,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 17:28:37,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 17:28:37,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 17:28:37,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 17:28:37,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 17:28:37,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 17:28:37,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 17:28:37,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 17:28:37,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 17:28:37,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 17:28:37,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 17:28:37,496 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 17:28:37,520 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 17:28:37,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 17:28:37,521 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 17:28:37,521 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 17:28:37,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 17:28:37,522 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 17:28:37,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 17:28:37,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 17:28:37,522 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 17:28:37,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 17:28:37,523 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 17:28:37,523 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 17:28:37,523 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 17:28:37,523 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 17:28:37,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 17:28:37,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 17:28:37,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 17:28:37,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 17:28:37,524 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 17:28:37,524 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 17:28:37,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 17:28:37,525 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 17:28:37,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 17:28:37,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 17:28:37,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 17:28:37,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 17:28:37,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:28:37,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 17:28:37,526 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 17:28:37,526 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 17:28:37,526 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 17:28:37,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 17:28:37,526 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 17:28:37,527 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 17:28:37,527 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 17:28:37,527 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 17:28:37,527 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 17:28:37,527 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df8b3c6576309918ab02364f32df18a2107bf04dd579248cd48dca03e33a8ed2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 17:28:37,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 17:28:37,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 17:28:37,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 17:28:37,784 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 17:28:37,784 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 17:28:37,785 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_15-funarg_nr.i [2023-08-29 17:28:38,777 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 17:28:39,005 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 17:28:39,005 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_15-funarg_nr.i [2023-08-29 17:28:39,015 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78e104eea/213f00ffb0854b67b5b923e3c0b12f3a/FLAG22b67cceb [2023-08-29 17:28:39,026 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78e104eea/213f00ffb0854b67b5b923e3c0b12f3a [2023-08-29 17:28:39,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 17:28:39,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 17:28:39,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 17:28:39,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 17:28:39,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 17:28:39,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:28:39" (1/1) ... [2023-08-29 17:28:39,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c490156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:28:39, skipping insertion in model container [2023-08-29 17:28:39,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:28:39" (1/1) ... [2023-08-29 17:28:39,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 17:28:39,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 17:28:39,344 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:28:39,358 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 17:28:39,391 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:28:39,442 INFO L208 MainTranslator]: Completed translation [2023-08-29 17:28:39,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:28:39 WrapperNode [2023-08-29 17:28:39,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 17:28:39,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 17:28:39,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 17:28:39,444 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 17:28:39,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:28:39" (1/1) ... [2023-08-29 17:28:39,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:28:39" (1/1) ... [2023-08-29 17:28:39,492 INFO L138 Inliner]: procedures = 263, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2023-08-29 17:28:39,492 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 17:28:39,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 17:28:39,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 17:28:39,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 17:28:39,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:28:39" (1/1) ... [2023-08-29 17:28:39,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:28:39" (1/1) ... [2023-08-29 17:28:39,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:28:39" (1/1) ... [2023-08-29 17:28:39,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:28:39" (1/1) ... [2023-08-29 17:28:39,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:28:39" (1/1) ... [2023-08-29 17:28:39,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:28:39" (1/1) ... [2023-08-29 17:28:39,517 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:28:39" (1/1) ... [2023-08-29 17:28:39,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:28:39" (1/1) ... [2023-08-29 17:28:39,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 17:28:39,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 17:28:39,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 17:28:39,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 17:28:39,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:28:39" (1/1) ... [2023-08-29 17:28:39,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:28:39,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 17:28:39,540 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 17:28:39,547 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 17:28:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 17:28:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 17:28:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 17:28:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 17:28:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 17:28:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 17:28:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 17:28:39,566 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 17:28:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 17:28:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 17:28:39,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 17:28:39,567 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 17:28:39,704 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 17:28:39,706 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 17:28:39,833 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 17:28:39,837 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 17:28:39,838 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 17:28:39,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:28:39 BoogieIcfgContainer [2023-08-29 17:28:39,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 17:28:39,845 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 17:28:39,845 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 17:28:39,847 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 17:28:39,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 05:28:39" (1/3) ... [2023-08-29 17:28:39,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d28cb66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:28:39, skipping insertion in model container [2023-08-29 17:28:39,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:28:39" (2/3) ... [2023-08-29 17:28:39,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d28cb66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:28:39, skipping insertion in model container [2023-08-29 17:28:39,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:28:39" (3/3) ... [2023-08-29 17:28:39,848 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_15-funarg_nr.i [2023-08-29 17:28:39,854 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 17:28:39,859 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 17:28:39,859 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-08-29 17:28:39,860 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 17:28:39,902 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-29 17:28:39,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 92 places, 88 transitions, 184 flow [2023-08-29 17:28:39,965 INFO L130 PetriNetUnfolder]: 0/87 cut-off events. [2023-08-29 17:28:39,966 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 17:28:39,968 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 87 events. 0/87 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 39 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-08-29 17:28:39,968 INFO L82 GeneralOperation]: Start removeDead. Operand has 92 places, 88 transitions, 184 flow [2023-08-29 17:28:39,972 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 84 places, 80 transitions, 163 flow [2023-08-29 17:28:39,975 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 17:28:39,983 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 80 transitions, 163 flow [2023-08-29 17:28:39,985 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 80 transitions, 163 flow [2023-08-29 17:28:39,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 84 places, 80 transitions, 163 flow [2023-08-29 17:28:40,005 INFO L130 PetriNetUnfolder]: 0/80 cut-off events. [2023-08-29 17:28:40,009 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:28:40,009 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 80 events. 0/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 39 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-29 17:28:40,010 INFO L119 LiptonReduction]: Number of co-enabled transitions 900 [2023-08-29 17:28:41,665 INFO L134 LiptonReduction]: Checked pairs total: 3378 [2023-08-29 17:28:41,665 INFO L136 LiptonReduction]: Total number of compositions: 58 [2023-08-29 17:28:41,674 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 17:28:41,678 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;@252990af, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 17:28:41,678 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-08-29 17:28:41,680 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2023-08-29 17:28:41,680 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:28:41,680 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:28:41,681 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 17:28:41,681 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-29 17:28:41,684 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:28:41,684 INFO L85 PathProgramCache]: Analyzing trace with hash 267314793, now seen corresponding path program 1 times [2023-08-29 17:28:41,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:28:41,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025208486] [2023-08-29 17:28:41,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:28:41,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:28:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:28:41,875 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 17:28:41,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:28:41,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025208486] [2023-08-29 17:28:41,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025208486] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:28:41,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:28:41,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:28:41,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440765574] [2023-08-29 17:28:41,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:28:41,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:28:41,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:28:41,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:28:41,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:28:41,922 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 146 [2023-08-29 17:28:41,929 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 23 transitions, 49 flow. Second operand has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 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 17:28:41,929 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:28:41,930 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 146 [2023-08-29 17:28:41,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:28:41,995 INFO L130 PetriNetUnfolder]: 48/149 cut-off events. [2023-08-29 17:28:41,995 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:28:41,998 INFO L83 FinitePrefix]: Finished finitePrefix Result has 275 conditions, 149 events. 48/149 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 572 event pairs, 17 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 266. Up to 87 conditions per place. [2023-08-29 17:28:42,000 INFO L137 encePairwiseOnDemand]: 136/146 looper letters, 20 selfloop transitions, 6 changer transitions 1/31 dead transitions. [2023-08-29 17:28:42,000 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 31 transitions, 119 flow [2023-08-29 17:28:42,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:28:42,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:28:42,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 260 transitions. [2023-08-29 17:28:42,014 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.593607305936073 [2023-08-29 17:28:42,014 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 260 transitions. [2023-08-29 17:28:42,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 260 transitions. [2023-08-29 17:28:42,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:28:42,018 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 260 transitions. [2023-08-29 17:28:42,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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 17:28:42,028 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 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 17:28:42,029 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 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 17:28:42,030 INFO L175 Difference]: Start difference. First operand has 27 places, 23 transitions, 49 flow. Second operand 3 states and 260 transitions. [2023-08-29 17:28:42,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 31 transitions, 119 flow [2023-08-29 17:28:42,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 31 transitions, 118 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:28:42,034 INFO L231 Difference]: Finished difference. Result has 28 places, 26 transitions, 92 flow [2023-08-29 17:28:42,036 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=146, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=28, PETRI_TRANSITIONS=26} [2023-08-29 17:28:42,038 INFO L281 CegarLoopForPetriNet]: 27 programPoint places, 1 predicate places. [2023-08-29 17:28:42,038 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 26 transitions, 92 flow [2023-08-29 17:28:42,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 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 17:28:42,039 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:28:42,039 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:28:42,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 17:28:42,039 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-29 17:28:42,040 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:28:42,040 INFO L85 PathProgramCache]: Analyzing trace with hash 705875728, now seen corresponding path program 1 times [2023-08-29 17:28:42,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:28:42,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486784604] [2023-08-29 17:28:42,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:28:42,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:28:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:28:42,096 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 17:28:42,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:28:42,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486784604] [2023-08-29 17:28:42,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486784604] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:28:42,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:28:42,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:28:42,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501155893] [2023-08-29 17:28:42,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:28:42,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:28:42,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:28:42,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:28:42,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:28:42,112 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 146 [2023-08-29 17:28:42,112 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 26 transitions, 92 flow. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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 17:28:42,112 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:28:42,113 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 146 [2023-08-29 17:28:42,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:28:42,160 INFO L130 PetriNetUnfolder]: 50/157 cut-off events. [2023-08-29 17:28:42,160 INFO L131 PetriNetUnfolder]: For 54/56 co-relation queries the response was YES. [2023-08-29 17:28:42,161 INFO L83 FinitePrefix]: Finished finitePrefix Result has 360 conditions, 157 events. 50/157 cut-off events. For 54/56 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 636 event pairs, 18 based on Foata normal form. 2/152 useless extension candidates. Maximal degree in co-relation 350. Up to 89 conditions per place. [2023-08-29 17:28:42,162 INFO L137 encePairwiseOnDemand]: 140/146 looper letters, 15 selfloop transitions, 5 changer transitions 6/34 dead transitions. [2023-08-29 17:28:42,162 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 34 transitions, 168 flow [2023-08-29 17:28:42,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:28:42,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:28:42,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 256 transitions. [2023-08-29 17:28:42,164 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5844748858447488 [2023-08-29 17:28:42,164 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 256 transitions. [2023-08-29 17:28:42,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 256 transitions. [2023-08-29 17:28:42,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:28:42,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 256 transitions. [2023-08-29 17:28:42,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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 17:28:42,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 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 17:28:42,167 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 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 17:28:42,167 INFO L175 Difference]: Start difference. First operand has 28 places, 26 transitions, 92 flow. Second operand 3 states and 256 transitions. [2023-08-29 17:28:42,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 34 transitions, 168 flow [2023-08-29 17:28:42,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 34 transitions, 152 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 17:28:42,169 INFO L231 Difference]: Finished difference. Result has 30 places, 27 transitions, 112 flow [2023-08-29 17:28:42,169 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=146, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=30, PETRI_TRANSITIONS=27} [2023-08-29 17:28:42,169 INFO L281 CegarLoopForPetriNet]: 27 programPoint places, 3 predicate places. [2023-08-29 17:28:42,170 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 27 transitions, 112 flow [2023-08-29 17:28:42,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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 17:28:42,170 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:28:42,170 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:28:42,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 17:28:42,170 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-29 17:28:42,172 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:28:42,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1111446238, now seen corresponding path program 1 times [2023-08-29 17:28:42,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:28:42,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307824006] [2023-08-29 17:28:42,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:28:42,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:28:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:28:42,280 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 17:28:42,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:28:42,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307824006] [2023-08-29 17:28:42,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307824006] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:28:42,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:28:42,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 17:28:42,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218618766] [2023-08-29 17:28:42,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:28:42,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:28:42,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:28:42,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:28:42,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:28:42,299 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 146 [2023-08-29 17:28:42,299 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 27 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 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 17:28:42,299 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:28:42,299 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 146 [2023-08-29 17:28:42,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:28:42,316 INFO L130 PetriNetUnfolder]: 0/42 cut-off events. [2023-08-29 17:28:42,316 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2023-08-29 17:28:42,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 42 events. 0/42 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 62 event pairs, 0 based on Foata normal form. 11/53 useless extension candidates. Maximal degree in co-relation 0. Up to 20 conditions per place. [2023-08-29 17:28:42,317 INFO L137 encePairwiseOnDemand]: 140/146 looper letters, 0 selfloop transitions, 0 changer transitions 19/19 dead transitions. [2023-08-29 17:28:42,317 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 19 transitions, 96 flow [2023-08-29 17:28:42,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:28:42,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:28:42,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions. [2023-08-29 17:28:42,319 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5776255707762558 [2023-08-29 17:28:42,319 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 253 transitions. [2023-08-29 17:28:42,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 253 transitions. [2023-08-29 17:28:42,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:28:42,319 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 253 transitions. [2023-08-29 17:28:42,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 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 17:28:42,321 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 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 17:28:42,321 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 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 17:28:42,321 INFO L175 Difference]: Start difference. First operand has 30 places, 27 transitions, 112 flow. Second operand 3 states and 253 transitions. [2023-08-29 17:28:42,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 19 transitions, 96 flow [2023-08-29 17:28:42,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 19 transitions, 78 flow, removed 5 selfloop flow, removed 4 redundant places. [2023-08-29 17:28:42,323 INFO L231 Difference]: Finished difference. Result has 25 places, 0 transitions, 0 flow [2023-08-29 17:28:42,323 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=146, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=25, PETRI_TRANSITIONS=0} [2023-08-29 17:28:42,324 INFO L281 CegarLoopForPetriNet]: 27 programPoint places, -2 predicate places. [2023-08-29 17:28:42,324 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 0 transitions, 0 flow [2023-08-29 17:28:42,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 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 17:28:42,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2023-08-29 17:28:42,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2023-08-29 17:28:42,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2023-08-29 17:28:42,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2023-08-29 17:28:42,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2023-08-29 17:28:42,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2023-08-29 17:28:42,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2023-08-29 17:28:42,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2023-08-29 17:28:42,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 17:28:42,327 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-08-29 17:28:42,334 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 17:28:42,334 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 17:28:42,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 05:28:42 BasicIcfg [2023-08-29 17:28:42,337 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 17:28:42,337 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 17:28:42,337 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 17:28:42,337 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 17:28:42,338 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:28:39" (3/4) ... [2023-08-29 17:28:42,340 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 17:28:42,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-08-29 17:28:42,348 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-08-29 17:28:42,348 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 17:28:42,348 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 17:28:42,381 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 17:28:42,381 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 17:28:42,381 INFO L158 Benchmark]: Toolchain (without parser) took 3352.66ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 70.9MB in the beginning and 39.2MB in the end (delta: 31.7MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2023-08-29 17:28:42,381 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 62.9MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 17:28:42,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.06ms. Allocated memory is still 94.4MB. Free memory was 70.6MB in the beginning and 66.8MB in the end (delta: 3.9MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2023-08-29 17:28:42,382 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.55ms. Allocated memory is still 94.4MB. Free memory was 66.8MB in the beginning and 64.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 17:28:42,382 INFO L158 Benchmark]: Boogie Preprocessor took 26.64ms. Allocated memory is still 94.4MB. Free memory was 64.4MB in the beginning and 63.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 17:28:42,382 INFO L158 Benchmark]: RCFGBuilder took 319.12ms. Allocated memory is still 94.4MB. Free memory was 62.6MB in the beginning and 48.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-29 17:28:42,385 INFO L158 Benchmark]: TraceAbstraction took 2492.15ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 47.8MB in the beginning and 42.3MB in the end (delta: 5.5MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2023-08-29 17:28:42,386 INFO L158 Benchmark]: Witness Printer took 43.55ms. Allocated memory is still 113.2MB. Free memory was 42.3MB in the beginning and 39.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 17:28:42,387 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 62.9MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.06ms. Allocated memory is still 94.4MB. Free memory was 70.6MB in the beginning and 66.8MB in the end (delta: 3.9MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.55ms. Allocated memory is still 94.4MB. Free memory was 66.8MB in the beginning and 64.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.64ms. Allocated memory is still 94.4MB. Free memory was 64.4MB in the beginning and 63.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 319.12ms. Allocated memory is still 94.4MB. Free memory was 62.6MB in the beginning and 48.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2492.15ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 47.8MB in the beginning and 42.3MB in the end (delta: 5.5MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * Witness Printer took 43.55ms. Allocated memory is still 113.2MB. Free memory was 42.3MB in the beginning and 39.2MB in the end (delta: 3.1MB). 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: 1.7s, 84 PlacesBefore, 27 PlacesAfterwards, 80 TransitionsBefore, 23 TransitionsAfterwards, 900 CoEnabledTransitionPairs, 6 FixpointIterations, 33 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 58 TotalNumberOfCompositions, 3378 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1420, independent: 1181, independent conditional: 0, independent unconditional: 1181, dependent: 239, dependent conditional: 0, dependent unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 461, independent: 423, independent conditional: 0, independent unconditional: 423, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1420, independent: 758, independent conditional: 0, independent unconditional: 758, dependent: 201, dependent conditional: 0, dependent unconditional: 201, unknown: 461, unknown conditional: 0, unknown unconditional: 461] , Statistics on independence cache: Total cache size (in pairs): 75, Positive cache size: 54, Positive conditional cache size: 0, Positive unconditional cache size: 54, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 934]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 937]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 939]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: 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 3 procedures, 106 locations, 8 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: 2.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 91 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 119 IncrementalHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 20 mSDtfsCounter, 119 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=2, InterpolantAutomatonStates: 9, 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 17:28:42,399 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