./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/04-mutex_11-ptr_rc.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_11-ptr_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 257fb96430b0f36c2bbaa69cb6381ae36a61b3597c5e89eeb3224bf08a96c8c2 --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 17:28:21,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 17:28:21,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 17:28:21,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 17:28:21,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 17:28:21,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 17:28:21,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 17:28:21,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 17:28:21,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 17:28:21,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 17:28:21,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 17:28:21,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 17:28:21,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 17:28:21,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 17:28:21,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 17:28:21,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 17:28:21,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 17:28:21,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 17:28:21,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 17:28:21,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 17:28:21,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 17:28:21,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 17:28:21,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 17:28:21,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 17:28:21,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 17:28:21,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 17:28:21,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 17:28:21,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 17:28:21,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 17:28:21,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 17:28:21,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 17:28:21,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 17:28:21,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 17:28:21,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 17:28:21,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 17:28:21,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 17:28:21,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 17:28:21,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 17:28:21,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 17:28:21,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 17:28:21,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 17:28:21,946 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 17:28:21,979 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 17:28:21,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 17:28:21,980 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 17:28:21,980 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 17:28:21,981 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 17:28:21,981 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 17:28:21,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 17:28:21,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 17:28:21,982 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 17:28:21,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 17:28:21,983 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 17:28:21,984 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 17:28:21,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 17:28:21,984 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 17:28:21,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 17:28:21,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 17:28:21,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 17:28:21,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 17:28:21,985 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 17:28:21,985 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 17:28:21,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 17:28:21,985 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 17:28:21,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 17:28:21,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 17:28:21,986 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 17:28:21,986 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 17:28:21,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:28:21,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 17:28:21,987 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 17:28:21,987 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 17:28:21,987 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 17:28:21,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 17:28:21,988 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 17:28:21,988 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 17:28:21,988 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 17:28:21,988 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 17:28:21,988 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 17:28:21,989 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 257fb96430b0f36c2bbaa69cb6381ae36a61b3597c5e89eeb3224bf08a96c8c2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 17:28:22,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 17:28:22,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 17:28:22,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 17:28:22,304 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 17:28:22,304 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 17:28:22,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_11-ptr_rc.i [2023-08-29 17:28:23,453 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 17:28:23,685 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 17:28:23,685 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_11-ptr_rc.i [2023-08-29 17:28:23,699 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64888d083/a67cac88ae0b4bf88f1917a8117e5742/FLAG98ae73acf [2023-08-29 17:28:23,713 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64888d083/a67cac88ae0b4bf88f1917a8117e5742 [2023-08-29 17:28:23,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 17:28:23,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 17:28:23,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 17:28:23,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 17:28:23,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 17:28:23,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:28:23" (1/1) ... [2023-08-29 17:28:23,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@552593cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:28:23, skipping insertion in model container [2023-08-29 17:28:23,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:28:23" (1/1) ... [2023-08-29 17:28:23,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 17:28:23,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 17:28:24,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:28:24,119 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 17:28:24,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:28:24,258 INFO L208 MainTranslator]: Completed translation [2023-08-29 17:28:24,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:28:24 WrapperNode [2023-08-29 17:28:24,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 17:28:24,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 17:28:24,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 17:28:24,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 17:28:24,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:28:24" (1/1) ... [2023-08-29 17:28:24,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:28:24" (1/1) ... [2023-08-29 17:28:24,330 INFO L138 Inliner]: procedures = 262, calls = 28, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2023-08-29 17:28:24,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 17:28:24,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 17:28:24,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 17:28:24,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 17:28:24,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:28:24" (1/1) ... [2023-08-29 17:28:24,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:28:24" (1/1) ... [2023-08-29 17:28:24,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:28:24" (1/1) ... [2023-08-29 17:28:24,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:28:24" (1/1) ... [2023-08-29 17:28:24,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:28:24" (1/1) ... [2023-08-29 17:28:24,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:28:24" (1/1) ... [2023-08-29 17:28:24,373 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:28:24" (1/1) ... [2023-08-29 17:28:24,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:28:24" (1/1) ... [2023-08-29 17:28:24,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 17:28:24,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 17:28:24,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 17:28:24,384 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 17:28:24,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:28:24" (1/1) ... [2023-08-29 17:28:24,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:28:24,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 17:28:24,414 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 17:28:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 17:28:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 17:28:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 17:28:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 17:28:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 17:28:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 17:28:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 17:28:24,453 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 17:28:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 17:28:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 17:28:24,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 17:28:24,454 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 17:28:24,445 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 17:28:24,619 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 17:28:24,621 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 17:28:24,884 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 17:28:24,890 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 17:28:24,892 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 17:28:24,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:28:24 BoogieIcfgContainer [2023-08-29 17:28:24,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 17:28:24,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 17:28:24,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 17:28:24,899 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 17:28:24,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 05:28:23" (1/3) ... [2023-08-29 17:28:24,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c13db35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:28:24, skipping insertion in model container [2023-08-29 17:28:24,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:28:24" (2/3) ... [2023-08-29 17:28:24,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c13db35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:28:24, skipping insertion in model container [2023-08-29 17:28:24,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:28:24" (3/3) ... [2023-08-29 17:28:24,901 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_11-ptr_rc.i [2023-08-29 17:28:24,908 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 17:28:24,916 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 17:28:24,917 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-08-29 17:28:24,917 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 17:28:25,001 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-29 17:28:25,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 92 places, 88 transitions, 184 flow [2023-08-29 17:28:25,097 INFO L130 PetriNetUnfolder]: 0/87 cut-off events. [2023-08-29 17:28:25,097 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 17:28:25,100 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 4. Compared 59 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 17:28:25,100 INFO L82 GeneralOperation]: Start removeDead. Operand has 92 places, 88 transitions, 184 flow [2023-08-29 17:28:25,105 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 84 places, 80 transitions, 163 flow [2023-08-29 17:28:25,109 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 17:28:25,123 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 80 transitions, 163 flow [2023-08-29 17:28:25,127 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 80 transitions, 163 flow [2023-08-29 17:28:25,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 84 places, 80 transitions, 163 flow [2023-08-29 17:28:25,165 INFO L130 PetriNetUnfolder]: 0/80 cut-off events. [2023-08-29 17:28:25,165 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:28:25,165 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 4. Compared 59 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 17:28:25,167 INFO L119 LiptonReduction]: Number of co-enabled transitions 1392 [2023-08-29 17:28:27,036 INFO L134 LiptonReduction]: Checked pairs total: 8960 [2023-08-29 17:28:27,036 INFO L136 LiptonReduction]: Total number of compositions: 39 [2023-08-29 17:28:27,051 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 17:28:27,058 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;@193eb8ca, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 17:28:27,058 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-08-29 17:28:27,067 INFO L130 PetriNetUnfolder]: 0/14 cut-off events. [2023-08-29 17:28:27,068 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:28:27,068 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:28:27,069 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:28:27,070 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-29 17:28:27,074 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:28:27,074 INFO L85 PathProgramCache]: Analyzing trace with hash -156037025, now seen corresponding path program 1 times [2023-08-29 17:28:27,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:28:27,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241796597] [2023-08-29 17:28:27,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:28:27,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:28:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:28:27,646 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 17:28:27,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:28:27,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241796597] [2023-08-29 17:28:27,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241796597] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:28:27,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:28:27,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:28:27,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869665184] [2023-08-29 17:28:27,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:28:27,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:28:27,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:28:27,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:28:27,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:28:27,872 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 127 [2023-08-29 17:28:27,878 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 41 transitions, 85 flow. Second operand has 6 states, 6 states have (on average 71.5) internal successors, (429), 6 states have internal predecessors, (429), 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 17:28:27,878 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:28:27,878 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 127 [2023-08-29 17:28:27,879 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:28:28,090 INFO L130 PetriNetUnfolder]: 147/435 cut-off events. [2023-08-29 17:28:28,090 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:28:28,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 764 conditions, 435 events. 147/435 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1997 event pairs, 74 based on Foata normal form. 0/416 useless extension candidates. Maximal degree in co-relation 755. Up to 244 conditions per place. [2023-08-29 17:28:28,097 INFO L137 encePairwiseOnDemand]: 116/127 looper letters, 44 selfloop transitions, 22 changer transitions 0/82 dead transitions. [2023-08-29 17:28:28,098 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 82 transitions, 299 flow [2023-08-29 17:28:28,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:28:28,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:28:28,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 487 transitions. [2023-08-29 17:28:28,116 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6391076115485564 [2023-08-29 17:28:28,117 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 487 transitions. [2023-08-29 17:28:28,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 487 transitions. [2023-08-29 17:28:28,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:28:28,123 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 487 transitions. [2023-08-29 17:28:28,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 81.16666666666667) internal successors, (487), 6 states have internal predecessors, (487), 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 17:28:28,133 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 127.0) internal successors, (889), 7 states have internal predecessors, (889), 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 17:28:28,134 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 127.0) internal successors, (889), 7 states have internal predecessors, (889), 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 17:28:28,136 INFO L175 Difference]: Start difference. First operand has 45 places, 41 transitions, 85 flow. Second operand 6 states and 487 transitions. [2023-08-29 17:28:28,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 82 transitions, 299 flow [2023-08-29 17:28:28,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 82 transitions, 298 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:28:28,141 INFO L231 Difference]: Finished difference. Result has 54 places, 62 transitions, 234 flow [2023-08-29 17:28:28,143 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=234, PETRI_PLACES=54, PETRI_TRANSITIONS=62} [2023-08-29 17:28:28,146 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 9 predicate places. [2023-08-29 17:28:28,146 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 62 transitions, 234 flow [2023-08-29 17:28:28,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 71.5) internal successors, (429), 6 states have internal predecessors, (429), 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 17:28:28,146 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:28:28,147 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:28:28,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 17:28:28,147 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-29 17:28:28,154 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:28:28,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1356423756, now seen corresponding path program 1 times [2023-08-29 17:28:28,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:28:28,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181333268] [2023-08-29 17:28:28,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:28:28,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:28:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:28:28,354 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 17:28:28,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:28:28,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181333268] [2023-08-29 17:28:28,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181333268] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:28:28,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:28:28,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:28:28,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45453283] [2023-08-29 17:28:28,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:28:28,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:28:28,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:28:28,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:28:28,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:28:28,490 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 127 [2023-08-29 17:28:28,491 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 62 transitions, 234 flow. Second operand has 6 states, 6 states have (on average 71.5) internal successors, (429), 6 states have internal predecessors, (429), 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 17:28:28,491 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:28:28,491 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 127 [2023-08-29 17:28:28,491 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:28:28,662 INFO L130 PetriNetUnfolder]: 184/567 cut-off events. [2023-08-29 17:28:28,663 INFO L131 PetriNetUnfolder]: For 117/120 co-relation queries the response was YES. [2023-08-29 17:28:28,665 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1172 conditions, 567 events. 184/567 cut-off events. For 117/120 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 2952 event pairs, 66 based on Foata normal form. 0/541 useless extension candidates. Maximal degree in co-relation 1159. Up to 293 conditions per place. [2023-08-29 17:28:28,667 INFO L137 encePairwiseOnDemand]: 116/127 looper letters, 54 selfloop transitions, 26 changer transitions 0/100 dead transitions. [2023-08-29 17:28:28,667 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 100 transitions, 488 flow [2023-08-29 17:28:28,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:28:28,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:28:28,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 484 transitions. [2023-08-29 17:28:28,669 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6351706036745407 [2023-08-29 17:28:28,669 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 484 transitions. [2023-08-29 17:28:28,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 484 transitions. [2023-08-29 17:28:28,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:28:28,670 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 484 transitions. [2023-08-29 17:28:28,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 80.66666666666667) internal successors, (484), 6 states have internal predecessors, (484), 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 17:28:28,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 127.0) internal successors, (889), 7 states have internal predecessors, (889), 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 17:28:28,673 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 127.0) internal successors, (889), 7 states have internal predecessors, (889), 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 17:28:28,673 INFO L175 Difference]: Start difference. First operand has 54 places, 62 transitions, 234 flow. Second operand 6 states and 484 transitions. [2023-08-29 17:28:28,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 100 transitions, 488 flow [2023-08-29 17:28:28,676 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 100 transitions, 488 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:28:28,677 INFO L231 Difference]: Finished difference. Result has 64 places, 83 transitions, 418 flow [2023-08-29 17:28:28,678 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=418, PETRI_PLACES=64, PETRI_TRANSITIONS=83} [2023-08-29 17:28:28,678 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 19 predicate places. [2023-08-29 17:28:28,679 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 83 transitions, 418 flow [2023-08-29 17:28:28,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 71.5) internal successors, (429), 6 states have internal predecessors, (429), 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 17:28:28,679 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:28:28,679 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:28:28,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 17:28:28,680 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 17:28:28,680 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:28:28,680 INFO L85 PathProgramCache]: Analyzing trace with hash 405961456, now seen corresponding path program 1 times [2023-08-29 17:28:28,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:28:28,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136274609] [2023-08-29 17:28:28,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:28:28,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:28:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:28:28,910 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 17:28:28,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:28:28,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136274609] [2023-08-29 17:28:28,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136274609] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:28:28,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:28:28,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:28:28,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539746839] [2023-08-29 17:28:28,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:28:28,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:28:28,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:28:28,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:28:28,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:28:29,000 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 127 [2023-08-29 17:28:29,001 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 83 transitions, 418 flow. Second operand has 6 states, 6 states have (on average 62.5) internal successors, (375), 6 states have internal predecessors, (375), 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 17:28:29,002 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:28:29,002 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 127 [2023-08-29 17:28:29,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:28:29,295 INFO L130 PetriNetUnfolder]: 396/958 cut-off events. [2023-08-29 17:28:29,295 INFO L131 PetriNetUnfolder]: For 641/653 co-relation queries the response was YES. [2023-08-29 17:28:29,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2606 conditions, 958 events. 396/958 cut-off events. For 641/653 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 4963 event pairs, 131 based on Foata normal form. 1/914 useless extension candidates. Maximal degree in co-relation 2588. Up to 690 conditions per place. [2023-08-29 17:28:29,302 INFO L137 encePairwiseOnDemand]: 108/127 looper letters, 84 selfloop transitions, 69 changer transitions 0/162 dead transitions. [2023-08-29 17:28:29,302 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 162 transitions, 1008 flow [2023-08-29 17:28:29,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:28:29,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:28:29,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 463 transitions. [2023-08-29 17:28:29,304 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6076115485564304 [2023-08-29 17:28:29,304 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 463 transitions. [2023-08-29 17:28:29,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 463 transitions. [2023-08-29 17:28:29,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:28:29,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 463 transitions. [2023-08-29 17:28:29,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 77.16666666666667) internal successors, (463), 6 states have internal predecessors, (463), 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 17:28:29,307 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 127.0) internal successors, (889), 7 states have internal predecessors, (889), 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 17:28:29,308 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 127.0) internal successors, (889), 7 states have internal predecessors, (889), 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 17:28:29,308 INFO L175 Difference]: Start difference. First operand has 64 places, 83 transitions, 418 flow. Second operand 6 states and 463 transitions. [2023-08-29 17:28:29,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 162 transitions, 1008 flow [2023-08-29 17:28:29,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 162 transitions, 1008 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:28:29,318 INFO L231 Difference]: Finished difference. Result has 74 places, 146 transitions, 996 flow [2023-08-29 17:28:29,319 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=996, PETRI_PLACES=74, PETRI_TRANSITIONS=146} [2023-08-29 17:28:29,320 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 29 predicate places. [2023-08-29 17:28:29,322 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 146 transitions, 996 flow [2023-08-29 17:28:29,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 62.5) internal successors, (375), 6 states have internal predecessors, (375), 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 17:28:29,323 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:28:29,323 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:28:29,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 17:28:29,324 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-29 17:28:29,324 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:28:29,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1344644203, now seen corresponding path program 1 times [2023-08-29 17:28:29,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:28:29,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518227630] [2023-08-29 17:28:29,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:28:29,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:28:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:28:29,526 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 17:28:29,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:28:29,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518227630] [2023-08-29 17:28:29,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518227630] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:28:29,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:28:29,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:28:29,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454597044] [2023-08-29 17:28:29,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:28:29,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:28:29,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:28:29,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:28:29,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:28:29,641 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 127 [2023-08-29 17:28:29,641 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 146 transitions, 996 flow. Second operand has 6 states, 6 states have (on average 61.333333333333336) internal successors, (368), 6 states have internal predecessors, (368), 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 17:28:29,641 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:28:29,642 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 127 [2023-08-29 17:28:29,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:28:29,943 INFO L130 PetriNetUnfolder]: 467/1102 cut-off events. [2023-08-29 17:28:29,944 INFO L131 PetriNetUnfolder]: For 1335/1346 co-relation queries the response was YES. [2023-08-29 17:28:29,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3830 conditions, 1102 events. 467/1102 cut-off events. For 1335/1346 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 5952 event pairs, 119 based on Foata normal form. 0/1056 useless extension candidates. Maximal degree in co-relation 3807. Up to 818 conditions per place. [2023-08-29 17:28:29,956 INFO L137 encePairwiseOnDemand]: 112/127 looper letters, 148 selfloop transitions, 67 changer transitions 0/224 dead transitions. [2023-08-29 17:28:29,957 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 224 transitions, 1856 flow [2023-08-29 17:28:29,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:28:29,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:28:29,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 445 transitions. [2023-08-29 17:28:29,959 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.583989501312336 [2023-08-29 17:28:29,959 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 445 transitions. [2023-08-29 17:28:29,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 445 transitions. [2023-08-29 17:28:29,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:28:29,960 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 445 transitions. [2023-08-29 17:28:29,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 74.16666666666667) internal successors, (445), 6 states have internal predecessors, (445), 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 17:28:29,964 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 127.0) internal successors, (889), 7 states have internal predecessors, (889), 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 17:28:29,964 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 127.0) internal successors, (889), 7 states have internal predecessors, (889), 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 17:28:29,964 INFO L175 Difference]: Start difference. First operand has 74 places, 146 transitions, 996 flow. Second operand 6 states and 445 transitions. [2023-08-29 17:28:29,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 224 transitions, 1856 flow [2023-08-29 17:28:29,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 224 transitions, 1800 flow, removed 28 selfloop flow, removed 0 redundant places. [2023-08-29 17:28:29,979 INFO L231 Difference]: Finished difference. Result has 84 places, 199 transitions, 1600 flow [2023-08-29 17:28:29,980 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=946, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1600, PETRI_PLACES=84, PETRI_TRANSITIONS=199} [2023-08-29 17:28:29,981 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 39 predicate places. [2023-08-29 17:28:29,981 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 199 transitions, 1600 flow [2023-08-29 17:28:29,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 61.333333333333336) internal successors, (368), 6 states have internal predecessors, (368), 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 17:28:29,982 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:28:29,982 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:28:29,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 17:28:29,982 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-29 17:28:29,983 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:28:29,983 INFO L85 PathProgramCache]: Analyzing trace with hash 658029380, now seen corresponding path program 1 times [2023-08-29 17:28:29,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:28:29,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005219243] [2023-08-29 17:28:29,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:28:29,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:28:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 17:28:30,008 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 17:28:30,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 17:28:30,037 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 17:28:30,037 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 17:28:30,038 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2023-08-29 17:28:30,040 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2023-08-29 17:28:30,041 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2023-08-29 17:28:30,041 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2023-08-29 17:28:30,041 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2023-08-29 17:28:30,041 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2023-08-29 17:28:30,041 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2023-08-29 17:28:30,042 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2023-08-29 17:28:30,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 17:28:30,042 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-08-29 17:28:30,047 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 17:28:30,048 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 17:28:30,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 05:28:30 BasicIcfg [2023-08-29 17:28:30,075 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 17:28:30,075 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 17:28:30,075 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 17:28:30,075 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 17:28:30,076 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:28:24" (3/4) ... [2023-08-29 17:28:30,078 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-08-29 17:28:30,078 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 17:28:30,078 INFO L158 Benchmark]: Toolchain (without parser) took 6362.10ms. Allocated memory was 75.5MB in the beginning and 134.2MB in the end (delta: 58.7MB). Free memory was 52.0MB in the beginning and 71.9MB in the end (delta: -19.9MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2023-08-29 17:28:30,079 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory is still 36.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 17:28:30,079 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.06ms. Allocated memory is still 75.5MB. Free memory was 51.8MB in the beginning and 43.9MB in the end (delta: 7.9MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2023-08-29 17:28:30,080 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.71ms. Allocated memory is still 75.5MB. Free memory was 43.9MB in the beginning and 41.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 17:28:30,080 INFO L158 Benchmark]: Boogie Preprocessor took 50.76ms. Allocated memory is still 75.5MB. Free memory was 41.6MB in the beginning and 39.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 17:28:30,080 INFO L158 Benchmark]: RCFGBuilder took 511.09ms. Allocated memory is still 75.5MB. Free memory was 39.7MB in the beginning and 46.6MB in the end (delta: -7.0MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2023-08-29 17:28:30,081 INFO L158 Benchmark]: TraceAbstraction took 5178.62ms. Allocated memory was 75.5MB in the beginning and 134.2MB in the end (delta: 58.7MB). Free memory was 46.0MB in the beginning and 71.9MB in the end (delta: -25.9MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2023-08-29 17:28:30,081 INFO L158 Benchmark]: Witness Printer took 2.92ms. Allocated memory is still 134.2MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 17:28:30,083 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory is still 36.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 542.06ms. Allocated memory is still 75.5MB. Free memory was 51.8MB in the beginning and 43.9MB in the end (delta: 7.9MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.71ms. Allocated memory is still 75.5MB. Free memory was 43.9MB in the beginning and 41.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.76ms. Allocated memory is still 75.5MB. Free memory was 41.6MB in the beginning and 39.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 511.09ms. Allocated memory is still 75.5MB. Free memory was 39.7MB in the beginning and 46.6MB in the end (delta: -7.0MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * TraceAbstraction took 5178.62ms. Allocated memory was 75.5MB in the beginning and 134.2MB in the end (delta: 58.7MB). Free memory was 46.0MB in the beginning and 71.9MB in the end (delta: -25.9MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * Witness Printer took 2.92ms. Allocated memory is still 134.2MB. Free memory is still 71.9MB. 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: 1.9s, 84 PlacesBefore, 45 PlacesAfterwards, 80 TransitionsBefore, 41 TransitionsAfterwards, 1392 CoEnabledTransitionPairs, 5 FixpointIterations, 25 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 39 TotalNumberOfCompositions, 8960 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1363, independent: 935, independent conditional: 0, independent unconditional: 935, dependent: 428, dependent conditional: 0, dependent unconditional: 428, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 461, independent: 417, independent conditional: 0, independent unconditional: 417, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1363, independent: 518, independent conditional: 0, independent unconditional: 518, dependent: 384, dependent conditional: 0, dependent unconditional: 384, unknown: 461, unknown conditional: 0, unknown unconditional: 461] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 65, Positive conditional cache size: 0, Positive unconditional cache size: 65, Negative cache size: 35, Negative conditional cache size: 0, Negative unconditional cache size: 35, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 931]: 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 } } } }; [L928] 0 pthread_t id; [L929] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L921] 1 int *p = &myglobal; [L923] EXPR 1 \read(*p) VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] EXPR 0 \read(myglobal) VAL [\read(*p)=0, \read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] EXPR 1 *p + 1 VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal+1 VAL [\read(*p)=0, \read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] EXPR 1 *p + 1 VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal+1 VAL [\read(*p)=0, \read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] EXPR 1 *p + 1 VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal+1 VAL [\read(*p)=0, \read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] EXPR 1 *p + 1 VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] 1 *p = *p + 1 VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal+1 VAL [\read(*p)=0, \read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] 1 *p = *p + 1 VAL [*p = *p + 1=25, \read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal+1 VAL [*p = *p + 1=25, \read(*p)=0, \read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] Now there is a data race (on the heap) between C: *p = *p + 1 [923] and C: myglobal+1 [931] - UnprovableResult [Line: 931]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 933]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 929]: 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: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: 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, 115 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: 5.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 402 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 250 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 105 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1206 IncrementalHoareTripleChecker+Invalid, 1311 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 105 mSolverCounterUnsat, 2 mSDtfsCounter, 1206 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1600occurred in iteration=4, InterpolantAutomatonStates: 24, 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, 1.0s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 368 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 17:28:30,118 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE