./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/04-mutex_01-simple_rc.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --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_01-simple_rc.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 e4f1df14aa697a6b5c77ee19ecaf0110c602a30de6eaa386be3f2cf188498154 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 01:57:32,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 01:57:32,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 01:57:32,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 01:57:32,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 01:57:32,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 01:57:32,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 01:57:32,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 01:57:32,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 01:57:32,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 01:57:32,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 01:57:32,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 01:57:32,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 01:57:32,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 01:57:32,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 01:57:32,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 01:57:32,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 01:57:32,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 01:57:32,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 01:57:32,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 01:57:32,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 01:57:32,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 01:57:32,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 01:57:32,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 01:57:32,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 01:57:32,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 01:57:32,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 01:57:32,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 01:57:32,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 01:57:32,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 01:57:32,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 01:57:32,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 01:57:32,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 01:57:32,523 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 01:57:32,524 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 01:57:32,524 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 01:57:32,525 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 01:57:32,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 01:57:32,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 01:57:32,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 01:57:32,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 01:57:32,528 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 01:57:32,567 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 01:57:32,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 01:57:32,569 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 01:57:32,569 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 01:57:32,570 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 01:57:32,570 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 01:57:32,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 01:57:32,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 01:57:32,571 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 01:57:32,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 01:57:32,572 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 01:57:32,572 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 01:57:32,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 01:57:32,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 01:57:32,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 01:57:32,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 01:57:32,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 01:57:32,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 01:57:32,574 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 01:57:32,574 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 01:57:32,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 01:57:32,574 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 01:57:32,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 01:57:32,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 01:57:32,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 01:57:32,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 01:57:32,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:57:32,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 01:57:32,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 01:57:32,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 01:57:32,576 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 01:57:32,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 01:57:32,576 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 01:57:32,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 01:57:32,577 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 01:57:32,577 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 01:57:32,577 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 01:57:32,577 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4f1df14aa697a6b5c77ee19ecaf0110c602a30de6eaa386be3f2cf188498154 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 01:57:32,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 01:57:32,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 01:57:32,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 01:57:32,905 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 01:57:32,905 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 01:57:32,906 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_01-simple_rc.i [2023-08-29 01:57:34,011 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 01:57:34,289 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 01:57:34,292 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_01-simple_rc.i [2023-08-29 01:57:34,318 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/096dbf824/0784c1831838488e8b0968e4717d3429/FLAGc1300071e [2023-08-29 01:57:34,341 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/096dbf824/0784c1831838488e8b0968e4717d3429 [2023-08-29 01:57:34,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 01:57:34,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 01:57:34,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 01:57:34,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 01:57:34,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 01:57:34,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:57:34" (1/1) ... [2023-08-29 01:57:34,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6845f915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:34, skipping insertion in model container [2023-08-29 01:57:34,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:57:34" (1/1) ... [2023-08-29 01:57:34,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 01:57:34,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 01:57:34,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:57:34,779 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 01:57:34,832 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:57:34,916 INFO L208 MainTranslator]: Completed translation [2023-08-29 01:57:34,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:34 WrapperNode [2023-08-29 01:57:34,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 01:57:34,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 01:57:34,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 01:57:34,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 01:57:34,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:34" (1/1) ... [2023-08-29 01:57:34,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:34" (1/1) ... [2023-08-29 01:57:34,980 INFO L138 Inliner]: procedures = 262, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2023-08-29 01:57:34,981 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 01:57:34,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 01:57:34,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 01:57:34,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 01:57:34,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:34" (1/1) ... [2023-08-29 01:57:34,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:34" (1/1) ... [2023-08-29 01:57:35,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:34" (1/1) ... [2023-08-29 01:57:35,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:34" (1/1) ... [2023-08-29 01:57:35,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:34" (1/1) ... [2023-08-29 01:57:35,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:34" (1/1) ... [2023-08-29 01:57:35,020 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:34" (1/1) ... [2023-08-29 01:57:35,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:34" (1/1) ... [2023-08-29 01:57:35,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 01:57:35,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 01:57:35,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 01:57:35,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 01:57:35,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:34" (1/1) ... [2023-08-29 01:57:35,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:57:35,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:57:35,070 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 01:57:35,095 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 01:57:35,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 01:57:35,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 01:57:35,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 01:57:35,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 01:57:35,113 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 01:57:35,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 01:57:35,113 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 01:57:35,113 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 01:57:35,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 01:57:35,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 01:57:35,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 01:57:35,115 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 01:57:35,306 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 01:57:35,308 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 01:57:35,478 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 01:57:35,483 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 01:57:35,484 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 01:57:35,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:57:35 BoogieIcfgContainer [2023-08-29 01:57:35,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 01:57:35,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 01:57:35,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 01:57:35,490 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 01:57:35,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 01:57:34" (1/3) ... [2023-08-29 01:57:35,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ae1010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:57:35, skipping insertion in model container [2023-08-29 01:57:35,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:34" (2/3) ... [2023-08-29 01:57:35,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ae1010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:57:35, skipping insertion in model container [2023-08-29 01:57:35,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:57:35" (3/3) ... [2023-08-29 01:57:35,493 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_01-simple_rc.i [2023-08-29 01:57:35,500 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 01:57:35,508 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 01:57:35,508 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-08-29 01:57:35,509 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 01:57:35,561 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-29 01:57:35,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 73 places, 69 transitions, 146 flow [2023-08-29 01:57:35,634 INFO L130 PetriNetUnfolder]: 0/68 cut-off events. [2023-08-29 01:57:35,634 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 01:57:35,637 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 68 events. 0/68 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 40 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-08-29 01:57:35,637 INFO L82 GeneralOperation]: Start removeDead. Operand has 73 places, 69 transitions, 146 flow [2023-08-29 01:57:35,640 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 65 places, 61 transitions, 125 flow [2023-08-29 01:57:35,643 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 01:57:35,650 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 61 transitions, 125 flow [2023-08-29 01:57:35,653 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 61 transitions, 125 flow [2023-08-29 01:57:35,653 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 61 transitions, 125 flow [2023-08-29 01:57:35,667 INFO L130 PetriNetUnfolder]: 0/61 cut-off events. [2023-08-29 01:57:35,667 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:57:35,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 61 events. 0/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 40 event pairs, 0 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-29 01:57:35,668 INFO L119 LiptonReduction]: Number of co-enabled transitions 630 [2023-08-29 01:57:37,436 INFO L134 LiptonReduction]: Checked pairs total: 2177 [2023-08-29 01:57:37,436 INFO L136 LiptonReduction]: Total number of compositions: 41 [2023-08-29 01:57:37,449 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 01:57:37,454 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;@40ff17c2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 01:57:37,455 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-08-29 01:57:37,458 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2023-08-29 01:57:37,458 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:57:37,458 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:57:37,459 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 01:57:37,459 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 01:57:37,463 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:57:37,463 INFO L85 PathProgramCache]: Analyzing trace with hash 214393724, now seen corresponding path program 1 times [2023-08-29 01:57:37,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:57:37,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538504762] [2023-08-29 01:57:37,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:57:37,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:57:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:57:37,675 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 01:57:37,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:57:37,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538504762] [2023-08-29 01:57:37,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538504762] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:57:37,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:57:37,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:57:37,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046405067] [2023-08-29 01:57:37,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:57:37,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:57:37,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:57:37,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:57:37,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:57:37,722 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 110 [2023-08-29 01:57:37,724 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 21 transitions, 45 flow. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 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 01:57:37,724 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:57:37,724 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 110 [2023-08-29 01:57:37,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:57:37,772 INFO L130 PetriNetUnfolder]: 48/137 cut-off events. [2023-08-29 01:57:37,773 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:57:37,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 258 conditions, 137 events. 48/137 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 549 event pairs, 22 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 249. Up to 71 conditions per place. [2023-08-29 01:57:37,776 INFO L137 encePairwiseOnDemand]: 101/110 looper letters, 22 selfloop transitions, 6 changer transitions 0/32 dead transitions. [2023-08-29 01:57:37,776 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 32 transitions, 123 flow [2023-08-29 01:57:37,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:57:37,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:57:37,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 209 transitions. [2023-08-29 01:57:37,790 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6333333333333333 [2023-08-29 01:57:37,791 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 209 transitions. [2023-08-29 01:57:37,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 209 transitions. [2023-08-29 01:57:37,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:57:37,795 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 209 transitions. [2023-08-29 01:57:37,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 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 01:57:37,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 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 01:57:37,808 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 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 01:57:37,810 INFO L175 Difference]: Start difference. First operand has 25 places, 21 transitions, 45 flow. Second operand 3 states and 209 transitions. [2023-08-29 01:57:37,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 32 transitions, 123 flow [2023-08-29 01:57:37,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 32 transitions, 122 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:57:37,815 INFO L231 Difference]: Finished difference. Result has 27 places, 26 transitions, 94 flow [2023-08-29 01:57:37,817 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=27, PETRI_TRANSITIONS=26} [2023-08-29 01:57:37,822 INFO L281 CegarLoopForPetriNet]: 25 programPoint places, 2 predicate places. [2023-08-29 01:57:37,823 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 26 transitions, 94 flow [2023-08-29 01:57:37,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 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 01:57:37,823 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:57:37,823 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:57:37,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 01:57:37,824 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-29 01:57:37,826 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:57:37,827 INFO L85 PathProgramCache]: Analyzing trace with hash 902980448, now seen corresponding path program 1 times [2023-08-29 01:57:37,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:57:37,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983523091] [2023-08-29 01:57:37,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:57:37,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:57:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:57:37,929 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 01:57:37,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:57:37,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983523091] [2023-08-29 01:57:37,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983523091] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:57:37,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:57:37,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:57:37,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731343409] [2023-08-29 01:57:37,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:57:37,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:57:37,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:57:37,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:57:37,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:57:37,959 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 110 [2023-08-29 01:57:37,960 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 26 transitions, 94 flow. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 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 01:57:37,960 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:57:37,960 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 110 [2023-08-29 01:57:37,960 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:57:38,022 INFO L130 PetriNetUnfolder]: 41/126 cut-off events. [2023-08-29 01:57:38,023 INFO L131 PetriNetUnfolder]: For 78/83 co-relation queries the response was YES. [2023-08-29 01:57:38,025 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 126 events. 41/126 cut-off events. For 78/83 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 492 event pairs, 21 based on Foata normal form. 1/119 useless extension candidates. Maximal degree in co-relation 300. Up to 83 conditions per place. [2023-08-29 01:57:38,027 INFO L137 encePairwiseOnDemand]: 105/110 looper letters, 16 selfloop transitions, 6 changer transitions 2/33 dead transitions. [2023-08-29 01:57:38,027 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 33 transitions, 166 flow [2023-08-29 01:57:38,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:57:38,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:57:38,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 194 transitions. [2023-08-29 01:57:38,033 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5878787878787879 [2023-08-29 01:57:38,033 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 194 transitions. [2023-08-29 01:57:38,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 194 transitions. [2023-08-29 01:57:38,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:57:38,033 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 194 transitions. [2023-08-29 01:57:38,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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 01:57:38,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 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 01:57:38,037 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 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 01:57:38,037 INFO L175 Difference]: Start difference. First operand has 27 places, 26 transitions, 94 flow. Second operand 3 states and 194 transitions. [2023-08-29 01:57:38,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 33 transitions, 166 flow [2023-08-29 01:57:38,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 33 transitions, 150 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 01:57:38,041 INFO L231 Difference]: Finished difference. Result has 28 places, 30 transitions, 124 flow [2023-08-29 01:57:38,041 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=124, PETRI_PLACES=28, PETRI_TRANSITIONS=30} [2023-08-29 01:57:38,042 INFO L281 CegarLoopForPetriNet]: 25 programPoint places, 3 predicate places. [2023-08-29 01:57:38,042 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 30 transitions, 124 flow [2023-08-29 01:57:38,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 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 01:57:38,042 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:57:38,042 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:57:38,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 01:57:38,043 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-29 01:57:38,045 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:57:38,045 INFO L85 PathProgramCache]: Analyzing trace with hash 387236124, now seen corresponding path program 1 times [2023-08-29 01:57:38,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:57:38,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974214272] [2023-08-29 01:57:38,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:57:38,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:57:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:57:38,124 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 01:57:38,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:57:38,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974214272] [2023-08-29 01:57:38,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974214272] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:57:38,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:57:38,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:57:38,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564730609] [2023-08-29 01:57:38,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:57:38,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:57:38,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:57:38,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:57:38,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:57:38,143 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 110 [2023-08-29 01:57:38,143 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 30 transitions, 124 flow. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 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 01:57:38,144 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:57:38,144 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 110 [2023-08-29 01:57:38,144 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:57:38,177 INFO L130 PetriNetUnfolder]: 45/132 cut-off events. [2023-08-29 01:57:38,177 INFO L131 PetriNetUnfolder]: For 139/148 co-relation queries the response was YES. [2023-08-29 01:57:38,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 357 conditions, 132 events. 45/132 cut-off events. For 139/148 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 524 event pairs, 19 based on Foata normal form. 2/123 useless extension candidates. Maximal degree in co-relation 346. Up to 86 conditions per place. [2023-08-29 01:57:38,178 INFO L137 encePairwiseOnDemand]: 105/110 looper letters, 15 selfloop transitions, 7 changer transitions 6/37 dead transitions. [2023-08-29 01:57:38,179 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 37 transitions, 208 flow [2023-08-29 01:57:38,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:57:38,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:57:38,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 197 transitions. [2023-08-29 01:57:38,180 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5969696969696969 [2023-08-29 01:57:38,180 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 197 transitions. [2023-08-29 01:57:38,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 197 transitions. [2023-08-29 01:57:38,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:57:38,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 197 transitions. [2023-08-29 01:57:38,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 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 01:57:38,182 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 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 01:57:38,183 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 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 01:57:38,183 INFO L175 Difference]: Start difference. First operand has 28 places, 30 transitions, 124 flow. Second operand 3 states and 197 transitions. [2023-08-29 01:57:38,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 37 transitions, 208 flow [2023-08-29 01:57:38,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 37 transitions, 200 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:57:38,185 INFO L231 Difference]: Finished difference. Result has 30 places, 30 transitions, 145 flow [2023-08-29 01:57:38,192 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=145, PETRI_PLACES=30, PETRI_TRANSITIONS=30} [2023-08-29 01:57:38,193 INFO L281 CegarLoopForPetriNet]: 25 programPoint places, 5 predicate places. [2023-08-29 01:57:38,193 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 30 transitions, 145 flow [2023-08-29 01:57:38,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 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 01:57:38,195 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:57:38,196 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:57:38,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 01:57:38,196 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-29 01:57:38,197 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:57:38,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1360712221, now seen corresponding path program 1 times [2023-08-29 01:57:38,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:57:38,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758063171] [2023-08-29 01:57:38,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:57:38,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:57:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 01:57:38,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 01:57:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 01:57:38,260 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 01:57:38,260 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 01:57:38,261 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2023-08-29 01:57:38,262 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2023-08-29 01:57:38,262 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2023-08-29 01:57:38,262 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2023-08-29 01:57:38,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2023-08-29 01:57:38,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2023-08-29 01:57:38,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2023-08-29 01:57:38,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2023-08-29 01:57:38,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 01:57:38,264 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-29 01:57:38,269 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 01:57:38,269 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 01:57:38,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 01:57:38 BasicIcfg [2023-08-29 01:57:38,289 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 01:57:38,290 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 01:57:38,290 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 01:57:38,290 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 01:57:38,290 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:57:35" (3/4) ... [2023-08-29 01:57:38,292 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-08-29 01:57:38,292 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 01:57:38,293 INFO L158 Benchmark]: Toolchain (without parser) took 3949.47ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 61.0MB in the beginning and 66.2MB in the end (delta: -5.2MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2023-08-29 01:57:38,293 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 42.8MB in the beginning and 42.7MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 01:57:38,294 INFO L158 Benchmark]: CACSL2BoogieTranslator took 572.21ms. Allocated memory is still 81.8MB. Free memory was 60.7MB in the beginning and 57.7MB in the end (delta: 3.0MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2023-08-29 01:57:38,294 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.08ms. Allocated memory is still 81.8MB. Free memory was 57.7MB in the beginning and 55.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 01:57:38,295 INFO L158 Benchmark]: Boogie Preprocessor took 48.67ms. Allocated memory is still 81.8MB. Free memory was 55.6MB in the beginning and 54.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 01:57:38,295 INFO L158 Benchmark]: RCFGBuilder took 454.55ms. Allocated memory is still 81.8MB. Free memory was 54.0MB in the beginning and 40.9MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-29 01:57:38,295 INFO L158 Benchmark]: TraceAbstraction took 2801.94ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 40.5MB in the beginning and 66.5MB in the end (delta: -26.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 01:57:38,296 INFO L158 Benchmark]: Witness Printer took 2.88ms. Allocated memory is still 100.7MB. Free memory was 66.5MB in the beginning and 66.2MB in the end (delta: 343.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 01:57:38,298 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 42.8MB in the beginning and 42.7MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 572.21ms. Allocated memory is still 81.8MB. Free memory was 60.7MB in the beginning and 57.7MB in the end (delta: 3.0MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.08ms. Allocated memory is still 81.8MB. Free memory was 57.7MB in the beginning and 55.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.67ms. Allocated memory is still 81.8MB. Free memory was 55.6MB in the beginning and 54.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 454.55ms. Allocated memory is still 81.8MB. Free memory was 54.0MB in the beginning and 40.9MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2801.94ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 40.5MB in the beginning and 66.5MB in the end (delta: -26.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.88ms. Allocated memory is still 100.7MB. Free memory was 66.5MB in the beginning and 66.2MB in the end (delta: 343.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.8s, 65 PlacesBefore, 25 PlacesAfterwards, 61 TransitionsBefore, 21 TransitionsAfterwards, 630 CoEnabledTransitionPairs, 5 FixpointIterations, 23 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 41 TotalNumberOfCompositions, 2177 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 734, independent: 557, independent conditional: 0, independent unconditional: 557, dependent: 177, dependent conditional: 0, dependent unconditional: 177, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 303, independent: 275, independent conditional: 0, independent unconditional: 275, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 734, independent: 282, independent conditional: 0, independent unconditional: 282, dependent: 149, dependent conditional: 0, dependent unconditional: 149, unknown: 303, unknown conditional: 0, unknown unconditional: 303] , Statistics on independence cache: Total cache size (in pairs): 54, Positive cache size: 37, Positive conditional cache size: 0, Positive unconditional cache size: 37, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 922]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal; [L918] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L927] 0 pthread_t id; [L928] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L930] EXPR 0 myglobal+1 VAL [arg={0:0}, arg={0:0}, id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0, pthread_mutex_lock(&mutex1)=0] [L922] 1 myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0] [L930] 0 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=1, myglobal=myglobal+1=25] [L922] 1 myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={1:0}, mutex2={2:0}, myglobal=1] Now there is a data race on ~myglobal~0 between C: myglobal=myglobal+1 [930] and C: myglobal+1 [922] - UnprovableResult [Line: 930]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 930]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 928]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 922]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 87 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: 2.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 140 IncrementalHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 19 mSDtfsCounter, 140 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=145occurred in iteration=3, 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, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 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 RESULT: Ultimate proved your program to be incorrect! [2023-08-29 01:57:38,333 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE