./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_11-fldsense_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/05-lval_ls_11-fldsense_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 76a87e9978ce967325112636953f91ea61da109ac2f6b46dc27ad9806965fd13 --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 02:00:09,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 02:00:09,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 02:00:09,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 02:00:09,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 02:00:09,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 02:00:09,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 02:00:09,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 02:00:09,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 02:00:09,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 02:00:09,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 02:00:09,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 02:00:09,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 02:00:09,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 02:00:09,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 02:00:09,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 02:00:09,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 02:00:09,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 02:00:09,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 02:00:09,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 02:00:09,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 02:00:09,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 02:00:09,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 02:00:09,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 02:00:09,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 02:00:09,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 02:00:09,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 02:00:09,108 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 02:00:09,109 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 02:00:09,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 02:00:09,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 02:00:09,111 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 02:00:09,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 02:00:09,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 02:00:09,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 02:00:09,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 02:00:09,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 02:00:09,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 02:00:09,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 02:00:09,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 02:00:09,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 02:00:09,116 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 02:00:09,142 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 02:00:09,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 02:00:09,143 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 02:00:09,143 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 02:00:09,144 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 02:00:09,144 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 02:00:09,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 02:00:09,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 02:00:09,145 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 02:00:09,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 02:00:09,146 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 02:00:09,146 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 02:00:09,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 02:00:09,146 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 02:00:09,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 02:00:09,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 02:00:09,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 02:00:09,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 02:00:09,147 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 02:00:09,147 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 02:00:09,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 02:00:09,147 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 02:00:09,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 02:00:09,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 02:00:09,148 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 02:00:09,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 02:00:09,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 02:00:09,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 02:00:09,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 02:00:09,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 02:00:09,148 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 02:00:09,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 02:00:09,149 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 02:00:09,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 02:00:09,149 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 02:00:09,149 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 02:00:09,149 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 02:00:09,149 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76a87e9978ce967325112636953f91ea61da109ac2f6b46dc27ad9806965fd13 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 02:00:09,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 02:00:09,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 02:00:09,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 02:00:09,418 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 02:00:09,419 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 02:00:09,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_11-fldsense_rc.i [2023-08-29 02:00:10,455 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 02:00:10,672 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 02:00:10,672 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_11-fldsense_rc.i [2023-08-29 02:00:10,696 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23e3ff4c0/77ef4e3b1b674eda83ceb08d5d5915d0/FLAGcce5af21e [2023-08-29 02:00:11,030 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23e3ff4c0/77ef4e3b1b674eda83ceb08d5d5915d0 [2023-08-29 02:00:11,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 02:00:11,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 02:00:11,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 02:00:11,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 02:00:11,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 02:00:11,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:00:11" (1/1) ... [2023-08-29 02:00:11,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ace693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:00:11, skipping insertion in model container [2023-08-29 02:00:11,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:00:11" (1/1) ... [2023-08-29 02:00:11,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 02:00:11,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 02:00:11,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 02:00:11,332 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 02:00:11,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 02:00:11,412 INFO L208 MainTranslator]: Completed translation [2023-08-29 02:00:11,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:00:11 WrapperNode [2023-08-29 02:00:11,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 02:00:11,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 02:00:11,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 02:00:11,414 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 02:00:11,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:00:11" (1/1) ... [2023-08-29 02:00:11,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:00:11" (1/1) ... [2023-08-29 02:00:11,460 INFO L138 Inliner]: procedures = 162, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2023-08-29 02:00:11,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 02:00:11,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 02:00:11,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 02:00:11,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 02:00:11,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:00:11" (1/1) ... [2023-08-29 02:00:11,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:00:11" (1/1) ... [2023-08-29 02:00:11,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:00:11" (1/1) ... [2023-08-29 02:00:11,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:00:11" (1/1) ... [2023-08-29 02:00:11,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:00:11" (1/1) ... [2023-08-29 02:00:11,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:00:11" (1/1) ... [2023-08-29 02:00:11,493 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:00:11" (1/1) ... [2023-08-29 02:00:11,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:00:11" (1/1) ... [2023-08-29 02:00:11,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 02:00:11,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 02:00:11,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 02:00:11,503 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 02:00:11,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:00:11" (1/1) ... [2023-08-29 02:00:11,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 02:00:11,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 02:00:11,527 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 02:00:11,533 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 02:00:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 02:00:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 02:00:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 02:00:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 02:00:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 02:00:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 02:00:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 02:00:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 02:00:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 02:00:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 02:00:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 02:00:11,553 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 02:00:11,632 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 02:00:11,633 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 02:00:11,814 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 02:00:11,819 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 02:00:11,824 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 02:00:11,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:00:11 BoogieIcfgContainer [2023-08-29 02:00:11,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 02:00:11,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 02:00:11,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 02:00:11,829 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 02:00:11,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 02:00:11" (1/3) ... [2023-08-29 02:00:11,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@834c419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:00:11, skipping insertion in model container [2023-08-29 02:00:11,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:00:11" (2/3) ... [2023-08-29 02:00:11,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@834c419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:00:11, skipping insertion in model container [2023-08-29 02:00:11,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:00:11" (3/3) ... [2023-08-29 02:00:11,831 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_11-fldsense_rc.i [2023-08-29 02:00:11,836 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 02:00:11,841 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 02:00:11,842 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-29 02:00:11,843 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 02:00:11,896 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 02:00:11,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 87 places, 83 transitions, 171 flow [2023-08-29 02:00:11,946 INFO L130 PetriNetUnfolder]: 0/82 cut-off events. [2023-08-29 02:00:11,946 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:00:11,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 82 events. 0/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-29 02:00:11,948 INFO L82 GeneralOperation]: Start removeDead. Operand has 87 places, 83 transitions, 171 flow [2023-08-29 02:00:11,951 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 86 places, 82 transitions, 167 flow [2023-08-29 02:00:11,953 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 02:00:11,959 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 82 transitions, 167 flow [2023-08-29 02:00:11,961 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 82 transitions, 167 flow [2023-08-29 02:00:11,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 86 places, 82 transitions, 167 flow [2023-08-29 02:00:11,990 INFO L130 PetriNetUnfolder]: 0/82 cut-off events. [2023-08-29 02:00:11,990 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:00:11,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 82 events. 0/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-29 02:00:11,993 INFO L119 LiptonReduction]: Number of co-enabled transitions 1450 [2023-08-29 02:00:13,732 INFO L134 LiptonReduction]: Checked pairs total: 7809 [2023-08-29 02:00:13,732 INFO L136 LiptonReduction]: Total number of compositions: 48 [2023-08-29 02:00:13,743 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 02:00:13,747 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;@5675fe1c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 02:00:13,748 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-08-29 02:00:13,751 INFO L130 PetriNetUnfolder]: 0/14 cut-off events. [2023-08-29 02:00:13,751 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:00:13,752 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:00:13,752 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:00:13,752 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-29 02:00:13,756 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:00:13,756 INFO L85 PathProgramCache]: Analyzing trace with hash -2048885717, now seen corresponding path program 1 times [2023-08-29 02:00:13,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:00:13,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433792347] [2023-08-29 02:00:13,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:00:13,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:00:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:00:14,143 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 02:00:14,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:00:14,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433792347] [2023-08-29 02:00:14,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433792347] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:00:14,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:00:14,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 02:00:14,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891586360] [2023-08-29 02:00:14,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:00:14,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 02:00:14,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:00:14,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 02:00:14,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 02:00:14,296 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 131 [2023-08-29 02:00:14,299 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 34 transitions, 71 flow. Second operand has 6 states, 6 states have (on average 60.5) internal successors, (363), 6 states have internal predecessors, (363), 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 02:00:14,300 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:00:14,300 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 131 [2023-08-29 02:00:14,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:00:14,495 INFO L130 PetriNetUnfolder]: 320/745 cut-off events. [2023-08-29 02:00:14,495 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:00:14,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1445 conditions, 745 events. 320/745 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 3956 event pairs, 78 based on Foata normal form. 0/720 useless extension candidates. Maximal degree in co-relation 1436. Up to 296 conditions per place. [2023-08-29 02:00:14,501 INFO L137 encePairwiseOnDemand]: 109/131 looper letters, 103 selfloop transitions, 42 changer transitions 0/148 dead transitions. [2023-08-29 02:00:14,501 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 148 transitions, 589 flow [2023-08-29 02:00:14,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 02:00:14,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 02:00:14,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 501 transitions. [2023-08-29 02:00:14,511 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6374045801526718 [2023-08-29 02:00:14,511 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 501 transitions. [2023-08-29 02:00:14,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 501 transitions. [2023-08-29 02:00:14,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:00:14,514 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 501 transitions. [2023-08-29 02:00:14,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 83.5) internal successors, (501), 6 states have internal predecessors, (501), 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 02:00:14,520 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 131.0) internal successors, (917), 7 states have internal predecessors, (917), 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 02:00:14,520 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 131.0) internal successors, (917), 7 states have internal predecessors, (917), 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 02:00:14,521 INFO L175 Difference]: Start difference. First operand has 38 places, 34 transitions, 71 flow. Second operand 6 states and 501 transitions. [2023-08-29 02:00:14,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 148 transitions, 589 flow [2023-08-29 02:00:14,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 148 transitions, 588 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 02:00:14,526 INFO L231 Difference]: Finished difference. Result has 47 places, 80 transitions, 386 flow [2023-08-29 02:00:14,527 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=386, PETRI_PLACES=47, PETRI_TRANSITIONS=80} [2023-08-29 02:00:14,529 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 9 predicate places. [2023-08-29 02:00:14,529 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 80 transitions, 386 flow [2023-08-29 02:00:14,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 60.5) internal successors, (363), 6 states have internal predecessors, (363), 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 02:00:14,529 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:00:14,530 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:00:14,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 02:00:14,530 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-29 02:00:14,530 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:00:14,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1680763967, now seen corresponding path program 1 times [2023-08-29 02:00:14,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:00:14,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262328593] [2023-08-29 02:00:14,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:00:14,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:00:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:00:14,718 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 02:00:14,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:00:14,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262328593] [2023-08-29 02:00:14,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262328593] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:00:14,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:00:14,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 02:00:14,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095699650] [2023-08-29 02:00:14,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:00:14,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 02:00:14,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:00:14,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 02:00:14,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 02:00:14,788 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 131 [2023-08-29 02:00:14,789 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 80 transitions, 386 flow. Second operand has 6 states, 6 states have (on average 60.5) internal successors, (363), 6 states have internal predecessors, (363), 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 02:00:14,789 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:00:14,789 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 131 [2023-08-29 02:00:14,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:00:14,974 INFO L130 PetriNetUnfolder]: 422/955 cut-off events. [2023-08-29 02:00:14,974 INFO L131 PetriNetUnfolder]: For 548/557 co-relation queries the response was YES. [2023-08-29 02:00:14,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2884 conditions, 955 events. 422/955 cut-off events. For 548/557 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 5234 event pairs, 143 based on Foata normal form. 23/977 useless extension candidates. Maximal degree in co-relation 2871. Up to 674 conditions per place. [2023-08-29 02:00:14,978 INFO L137 encePairwiseOnDemand]: 115/131 looper letters, 103 selfloop transitions, 46 changer transitions 6/159 dead transitions. [2023-08-29 02:00:14,979 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 159 transitions, 1032 flow [2023-08-29 02:00:14,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 02:00:14,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 02:00:14,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 447 transitions. [2023-08-29 02:00:14,981 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5687022900763359 [2023-08-29 02:00:14,981 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 447 transitions. [2023-08-29 02:00:14,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 447 transitions. [2023-08-29 02:00:14,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:00:14,981 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 447 transitions. [2023-08-29 02:00:14,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 74.5) internal successors, (447), 6 states have internal predecessors, (447), 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 02:00:14,983 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 131.0) internal successors, (917), 7 states have internal predecessors, (917), 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 02:00:14,984 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 131.0) internal successors, (917), 7 states have internal predecessors, (917), 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 02:00:14,984 INFO L175 Difference]: Start difference. First operand has 47 places, 80 transitions, 386 flow. Second operand 6 states and 447 transitions. [2023-08-29 02:00:14,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 159 transitions, 1032 flow [2023-08-29 02:00:14,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 159 transitions, 1032 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 02:00:14,988 INFO L231 Difference]: Finished difference. Result has 56 places, 123 transitions, 809 flow [2023-08-29 02:00:14,989 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=809, PETRI_PLACES=56, PETRI_TRANSITIONS=123} [2023-08-29 02:00:14,989 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 18 predicate places. [2023-08-29 02:00:14,989 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 123 transitions, 809 flow [2023-08-29 02:00:14,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 60.5) internal successors, (363), 6 states have internal predecessors, (363), 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 02:00:14,990 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:00:14,990 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:00:14,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 02:00:14,990 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-29 02:00:14,991 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:00:14,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1247333295, now seen corresponding path program 1 times [2023-08-29 02:00:14,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:00:14,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745843837] [2023-08-29 02:00:14,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:00:14,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:00:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:00:15,203 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 02:00:15,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:00:15,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745843837] [2023-08-29 02:00:15,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745843837] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:00:15,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:00:15,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 02:00:15,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359554144] [2023-08-29 02:00:15,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:00:15,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 02:00:15,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:00:15,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 02:00:15,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 02:00:15,317 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 131 [2023-08-29 02:00:15,318 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 123 transitions, 809 flow. Second operand has 6 states, 6 states have (on average 59.333333333333336) internal successors, (356), 6 states have internal predecessors, (356), 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 02:00:15,318 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:00:15,318 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 131 [2023-08-29 02:00:15,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:00:15,479 INFO L130 PetriNetUnfolder]: 503/1113 cut-off events. [2023-08-29 02:00:15,480 INFO L131 PetriNetUnfolder]: For 1785/1804 co-relation queries the response was YES. [2023-08-29 02:00:15,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4175 conditions, 1113 events. 503/1113 cut-off events. For 1785/1804 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 6204 event pairs, 149 based on Foata normal form. 26/1137 useless extension candidates. Maximal degree in co-relation 4157. Up to 799 conditions per place. [2023-08-29 02:00:15,485 INFO L137 encePairwiseOnDemand]: 115/131 looper letters, 133 selfloop transitions, 49 changer transitions 19/205 dead transitions. [2023-08-29 02:00:15,485 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 205 transitions, 1639 flow [2023-08-29 02:00:15,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 02:00:15,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 02:00:15,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 445 transitions. [2023-08-29 02:00:15,486 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5661577608142494 [2023-08-29 02:00:15,486 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 445 transitions. [2023-08-29 02:00:15,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 445 transitions. [2023-08-29 02:00:15,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:00:15,487 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 445 transitions. [2023-08-29 02:00:15,488 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 02:00:15,489 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 131.0) internal successors, (917), 7 states have internal predecessors, (917), 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 02:00:15,489 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 131.0) internal successors, (917), 7 states have internal predecessors, (917), 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 02:00:15,489 INFO L175 Difference]: Start difference. First operand has 56 places, 123 transitions, 809 flow. Second operand 6 states and 445 transitions. [2023-08-29 02:00:15,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 205 transitions, 1639 flow [2023-08-29 02:00:15,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 205 transitions, 1605 flow, removed 17 selfloop flow, removed 0 redundant places. [2023-08-29 02:00:15,496 INFO L231 Difference]: Finished difference. Result has 65 places, 152 transitions, 1160 flow [2023-08-29 02:00:15,496 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=775, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1160, PETRI_PLACES=65, PETRI_TRANSITIONS=152} [2023-08-29 02:00:15,496 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 27 predicate places. [2023-08-29 02:00:15,497 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 152 transitions, 1160 flow [2023-08-29 02:00:15,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 59.333333333333336) internal successors, (356), 6 states have internal predecessors, (356), 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 02:00:15,497 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:00:15,497 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 02:00:15,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 02:00:15,498 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-29 02:00:15,498 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:00:15,498 INFO L85 PathProgramCache]: Analyzing trace with hash 770088047, now seen corresponding path program 1 times [2023-08-29 02:00:15,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:00:15,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95298961] [2023-08-29 02:00:15,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:00:15,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:00:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 02:00:15,513 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 02:00:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 02:00:15,532 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 02:00:15,533 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 02:00:15,533 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2023-08-29 02:00:15,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2023-08-29 02:00:15,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-08-29 02:00:15,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2023-08-29 02:00:15,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2023-08-29 02:00:15,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2023-08-29 02:00:15,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2023-08-29 02:00:15,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 02:00:15,536 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-29 02:00:15,539 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 02:00:15,540 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 02:00:15,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 02:00:15 BasicIcfg [2023-08-29 02:00:15,557 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 02:00:15,557 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 02:00:15,557 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 02:00:15,557 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 02:00:15,558 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:00:11" (3/4) ... [2023-08-29 02:00:15,559 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-08-29 02:00:15,559 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 02:00:15,560 INFO L158 Benchmark]: Toolchain (without parser) took 4526.69ms. Allocated memory was 60.8MB in the beginning and 121.6MB in the end (delta: 60.8MB). Free memory was 37.1MB in the beginning and 49.0MB in the end (delta: -11.9MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2023-08-29 02:00:15,560 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory is still 38.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 02:00:15,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.00ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 36.8MB in the beginning and 54.1MB in the end (delta: -17.3MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2023-08-29 02:00:15,561 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.82ms. Allocated memory is still 81.8MB. Free memory was 54.1MB in the beginning and 52.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 02:00:15,561 INFO L158 Benchmark]: Boogie Preprocessor took 41.71ms. Allocated memory is still 81.8MB. Free memory was 52.0MB in the beginning and 50.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 02:00:15,561 INFO L158 Benchmark]: RCFGBuilder took 323.17ms. Allocated memory is still 81.8MB. Free memory was 50.2MB in the beginning and 56.9MB in the end (delta: -6.8MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2023-08-29 02:00:15,562 INFO L158 Benchmark]: TraceAbstraction took 3729.44ms. Allocated memory was 81.8MB in the beginning and 121.6MB in the end (delta: 39.8MB). Free memory was 56.5MB in the beginning and 49.0MB in the end (delta: 7.6MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2023-08-29 02:00:15,562 INFO L158 Benchmark]: Witness Printer took 2.28ms. Allocated memory is still 121.6MB. Free memory was 49.0MB in the beginning and 49.0MB in the end (delta: 2.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 02:00:15,564 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory is still 38.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.00ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 36.8MB in the beginning and 54.1MB in the end (delta: -17.3MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.82ms. Allocated memory is still 81.8MB. Free memory was 54.1MB in the beginning and 52.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.71ms. Allocated memory is still 81.8MB. Free memory was 52.0MB in the beginning and 50.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 323.17ms. Allocated memory is still 81.8MB. Free memory was 50.2MB in the beginning and 56.9MB in the end (delta: -6.8MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3729.44ms. Allocated memory was 81.8MB in the beginning and 121.6MB in the end (delta: 39.8MB). Free memory was 56.5MB in the beginning and 49.0MB in the end (delta: 7.6MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Witness Printer took 2.28ms. Allocated memory is still 121.6MB. Free memory was 49.0MB in the beginning and 49.0MB in the end (delta: 2.8kB). 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, 86 PlacesBefore, 38 PlacesAfterwards, 82 TransitionsBefore, 34 TransitionsAfterwards, 1450 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 48 TotalNumberOfCompositions, 7809 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1569, independent: 1161, independent conditional: 0, independent unconditional: 1161, dependent: 408, dependent conditional: 0, dependent unconditional: 408, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 634, independent: 564, independent conditional: 0, independent unconditional: 564, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1569, independent: 597, independent conditional: 0, independent unconditional: 597, dependent: 338, dependent conditional: 0, dependent unconditional: 338, unknown: 634, unknown conditional: 0, unknown unconditional: 634] , Statistics on independence cache: Total cache size (in pairs): 112, Positive cache size: 64, Positive conditional cache size: 0, Positive unconditional cache size: 64, Negative cache size: 48, Negative conditional cache size: 0, Negative unconditional cache size: 48, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 693]: Data race detected Data race detected The following path leads to a data race: [L679] 0 struct { int x; int y; } data; [L680] 0 struct { pthread_mutex_t x; pthread_mutex_t y; } m; [L690] 0 pthread_t id; [L691] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id={5:0}, m={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L683] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data.x=0, data={1:0}, m={2:0}] [L683] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data.x=0, data={1:0}, m={2:0}] [L693] EXPR 0 data.x VAL [arg={0:0}, arg={0:0}, data.x=0, data.x=0, data={1:0}, id={5:0}, m={2:0}] [L693] 0 data.x++ VAL [arg={0:0}, arg={0:0}, data.x=0, data.x=0, data={1:0}, id={5:0}, m={2:0}] [L683] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data.x=0, data={1:0}, m={2:0}] [L693] 0 data.x++ VAL [arg={0:0}, arg={0:0}, data.x=0, data.x=0, data={1:0}, id={5:0}, m={2:0}] [L683] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data.x++=0, data.x++=49, data.x=0, data={1:0}, m={2:0}] [L693] 0 data.x++ VAL [arg={0:0}, arg={0:0}, data.x++=0, data.x++=49, data.x=0, data.x=0, data={1:0}, id={5:0}, m={2:0}] Now there is a data race (on the heap) between C: data.x++ [683] and C: data.x++ [693] - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: 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: 683]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 683]: 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, 111 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 316 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 195 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 116 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 739 IncrementalHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 116 mSolverCounterUnsat, 33 mSDtfsCounter, 739 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1160occurred in iteration=3, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 279 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 02:00:15,592 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