./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_05-glob_idx_rc.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --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_05-glob_idx_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 2fcc1dcc31779a35e2f35b3e877295c0d57fe6307bda5e3a2aea7571c9345e88 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 19:58:45,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 19:58:45,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 19:58:45,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 19:58:45,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 19:58:45,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 19:58:45,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 19:58:45,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 19:58:45,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 19:58:45,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 19:58:45,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 19:58:45,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 19:58:45,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 19:58:45,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 19:58:45,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 19:58:45,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 19:58:45,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 19:58:45,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 19:58:45,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 19:58:45,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 19:58:45,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 19:58:45,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 19:58:45,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 19:58:45,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 19:58:45,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 19:58:45,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 19:58:45,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 19:58:45,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 19:58:45,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 19:58:45,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 19:58:45,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 19:58:45,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 19:58:45,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 19:58:45,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 19:58:45,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 19:58:45,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 19:58:45,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 19:58:45,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 19:58:45,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 19:58:45,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 19:58:45,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 19:58:45,820 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 19:58:45,853 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 19:58:45,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 19:58:45,854 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 19:58:45,854 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 19:58:45,855 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 19:58:45,855 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 19:58:45,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 19:58:45,856 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 19:58:45,856 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 19:58:45,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 19:58:45,857 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 19:58:45,857 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 19:58:45,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 19:58:45,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 19:58:45,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 19:58:45,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 19:58:45,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 19:58:45,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 19:58:45,858 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 19:58:45,858 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 19:58:45,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 19:58:45,858 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 19:58:45,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 19:58:45,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 19:58:45,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 19:58:45,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 19:58:45,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 19:58:45,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 19:58:45,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 19:58:45,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 19:58:45,860 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 19:58:45,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 19:58:45,860 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 19:58:45,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 19:58:45,860 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 19:58:45,861 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 19:58:45,861 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 19:58:45,861 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fcc1dcc31779a35e2f35b3e877295c0d57fe6307bda5e3a2aea7571c9345e88 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 19:58:46,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 19:58:46,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 19:58:46,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 19:58:46,126 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 19:58:46,126 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 19:58:46,127 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_05-glob_idx_rc.i [2023-08-31 19:58:47,106 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 19:58:47,317 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 19:58:47,320 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_05-glob_idx_rc.i [2023-08-31 19:58:47,333 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50be9a133/b4f10d157ddc482c8fdcb9319a8f4f31/FLAG938886d18 [2023-08-31 19:58:47,352 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50be9a133/b4f10d157ddc482c8fdcb9319a8f4f31 [2023-08-31 19:58:47,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 19:58:47,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 19:58:47,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 19:58:47,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 19:58:47,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 19:58:47,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:58:47" (1/1) ... [2023-08-31 19:58:47,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c8a5632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:47, skipping insertion in model container [2023-08-31 19:58:47,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:58:47" (1/1) ... [2023-08-31 19:58:47,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 19:58:47,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 19:58:47,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 19:58:47,632 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 19:58:47,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 19:58:47,700 INFO L208 MainTranslator]: Completed translation [2023-08-31 19:58:47,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:47 WrapperNode [2023-08-31 19:58:47,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 19:58:47,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 19:58:47,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 19:58:47,701 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 19:58:47,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:47" (1/1) ... [2023-08-31 19:58:47,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:47" (1/1) ... [2023-08-31 19:58:47,736 INFO L138 Inliner]: procedures = 160, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2023-08-31 19:58:47,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 19:58:47,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 19:58:47,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 19:58:47,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 19:58:47,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:47" (1/1) ... [2023-08-31 19:58:47,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:47" (1/1) ... [2023-08-31 19:58:47,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:47" (1/1) ... [2023-08-31 19:58:47,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:47" (1/1) ... [2023-08-31 19:58:47,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:47" (1/1) ... [2023-08-31 19:58:47,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:47" (1/1) ... [2023-08-31 19:58:47,755 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:47" (1/1) ... [2023-08-31 19:58:47,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:47" (1/1) ... [2023-08-31 19:58:47,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 19:58:47,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 19:58:47,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 19:58:47,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 19:58:47,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:47" (1/1) ... [2023-08-31 19:58:47,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 19:58:47,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 19:58:47,777 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) [2023-08-31 19:58:47,791 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 [2023-08-31 19:58:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 19:58:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 19:58:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 19:58:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 19:58:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-31 19:58:47,798 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-31 19:58:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 19:58:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 19:58:47,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 19:58:47,799 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 19:58:47,937 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 19:58:47,938 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 19:58:48,054 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 19:58:48,058 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 19:58:48,059 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-31 19:58:48,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:58:48 BoogieIcfgContainer [2023-08-31 19:58:48,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 19:58:48,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 19:58:48,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 19:58:48,063 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 19:58:48,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 07:58:47" (1/3) ... [2023-08-31 19:58:48,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e3ee74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 07:58:48, skipping insertion in model container [2023-08-31 19:58:48,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:58:47" (2/3) ... [2023-08-31 19:58:48,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e3ee74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 07:58:48, skipping insertion in model container [2023-08-31 19:58:48,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:58:48" (3/3) ... [2023-08-31 19:58:48,065 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_05-glob_idx_rc.i [2023-08-31 19:58:48,071 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 19:58:48,077 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 19:58:48,077 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-31 19:58:48,077 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 19:58:48,118 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-31 19:58:48,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 66 places, 62 transitions, 129 flow [2023-08-31 19:58:48,182 INFO L130 PetriNetUnfolder]: 0/61 cut-off events. [2023-08-31 19:58:48,182 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 19:58:48,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 61 events. 0/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-31 19:58:48,185 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 62 transitions, 129 flow [2023-08-31 19:58:48,188 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 65 places, 61 transitions, 125 flow [2023-08-31 19:58:48,190 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 19:58:48,199 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 61 transitions, 125 flow [2023-08-31 19:58:48,204 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 61 transitions, 125 flow [2023-08-31 19:58:48,205 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 61 transitions, 125 flow [2023-08-31 19:58:48,225 INFO L130 PetriNetUnfolder]: 0/61 cut-off events. [2023-08-31 19:58:48,225 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 19:58:48,225 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 61 events. 0/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-31 19:58:48,226 INFO L119 LiptonReduction]: Number of co-enabled transitions 1144 [2023-08-31 19:58:49,054 INFO L134 LiptonReduction]: Checked pairs total: 4531 [2023-08-31 19:58:49,054 INFO L136 LiptonReduction]: Total number of compositions: 31 [2023-08-31 19:58:49,063 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 19:58:49,067 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;@1390c4e1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 19:58:49,067 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-08-31 19:58:49,072 INFO L130 PetriNetUnfolder]: 0/12 cut-off events. [2023-08-31 19:58:49,072 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 19:58:49,073 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:58:49,073 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:58:49,074 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)] === [2023-08-31 19:58:49,077 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:58:49,077 INFO L85 PathProgramCache]: Analyzing trace with hash -604935451, now seen corresponding path program 1 times [2023-08-31 19:58:49,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:58:49,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442279230] [2023-08-31 19:58:49,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:58:49,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:58:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:58:49,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:58:49,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:58:49,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442279230] [2023-08-31 19:58:49,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442279230] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:58:49,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:58:49,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 19:58:49,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458062842] [2023-08-31 19:58:49,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:58:49,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 19:58:49,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:58:49,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 19:58:49,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 19:58:49,549 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 38 out of 93 [2023-08-31 19:58:49,551 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 30 transitions, 63 flow. Second operand has 6 states, 6 states have (on average 39.333333333333336) internal successors, (236), 6 states have internal predecessors, (236), 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) [2023-08-31 19:58:49,551 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:58:49,551 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 38 of 93 [2023-08-31 19:58:49,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:58:49,728 INFO L130 PetriNetUnfolder]: 240/581 cut-off events. [2023-08-31 19:58:49,728 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 19:58:49,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1114 conditions, 581 events. 240/581 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3055 event pairs, 53 based on Foata normal form. 0/559 useless extension candidates. Maximal degree in co-relation 1105. Up to 217 conditions per place. [2023-08-31 19:58:49,738 INFO L137 encePairwiseOnDemand]: 71/93 looper letters, 83 selfloop transitions, 42 changer transitions 0/128 dead transitions. [2023-08-31 19:58:49,738 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 128 transitions, 509 flow [2023-08-31 19:58:49,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 19:58:49,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 19:58:49,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 355 transitions. [2023-08-31 19:58:49,750 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6362007168458781 [2023-08-31 19:58:49,751 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 355 transitions. [2023-08-31 19:58:49,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 355 transitions. [2023-08-31 19:58:49,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:58:49,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 355 transitions. [2023-08-31 19:58:49,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 59.166666666666664) internal successors, (355), 6 states have internal predecessors, (355), 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) [2023-08-31 19:58:49,761 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 states have internal predecessors, (651), 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) [2023-08-31 19:58:49,761 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 states have internal predecessors, (651), 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) [2023-08-31 19:58:49,762 INFO L175 Difference]: Start difference. First operand has 34 places, 30 transitions, 63 flow. Second operand 6 states and 355 transitions. [2023-08-31 19:58:49,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 128 transitions, 509 flow [2023-08-31 19:58:49,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 128 transitions, 508 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 19:58:49,766 INFO L231 Difference]: Finished difference. Result has 43 places, 76 transitions, 378 flow [2023-08-31 19:58:49,767 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=378, PETRI_PLACES=43, PETRI_TRANSITIONS=76} [2023-08-31 19:58:49,769 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, 9 predicate places. [2023-08-31 19:58:49,769 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 76 transitions, 378 flow [2023-08-31 19:58:49,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.333333333333336) internal successors, (236), 6 states have internal predecessors, (236), 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) [2023-08-31 19:58:49,770 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:58:49,770 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:58:49,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 19:58:49,770 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)] === [2023-08-31 19:58:49,770 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:58:49,770 INFO L85 PathProgramCache]: Analyzing trace with hash -2126461452, now seen corresponding path program 1 times [2023-08-31 19:58:49,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:58:49,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868962812] [2023-08-31 19:58:49,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:58:49,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:58:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:58:49,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:58:49,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:58:49,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868962812] [2023-08-31 19:58:49,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868962812] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:58:49,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:58:49,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 19:58:49,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071125780] [2023-08-31 19:58:49,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:58:49,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 19:58:49,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:58:49,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 19:58:49,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 19:58:50,033 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 93 [2023-08-31 19:58:50,034 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 76 transitions, 378 flow. Second operand has 6 states, 6 states have (on average 39.166666666666664) internal successors, (235), 6 states have internal predecessors, (235), 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) [2023-08-31 19:58:50,034 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:58:50,034 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 93 [2023-08-31 19:58:50,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:58:50,159 INFO L130 PetriNetUnfolder]: 336/777 cut-off events. [2023-08-31 19:58:50,159 INFO L131 PetriNetUnfolder]: For 470/478 co-relation queries the response was YES. [2023-08-31 19:58:50,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2422 conditions, 777 events. 336/777 cut-off events. For 470/478 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 4180 event pairs, 85 based on Foata normal form. 22/799 useless extension candidates. Maximal degree in co-relation 2409. Up to 510 conditions per place. [2023-08-31 19:58:50,162 INFO L137 encePairwiseOnDemand]: 77/93 looper letters, 98 selfloop transitions, 46 changer transitions 3/151 dead transitions. [2023-08-31 19:58:50,162 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 151 transitions, 1000 flow [2023-08-31 19:58:50,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 19:58:50,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 19:58:50,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 313 transitions. [2023-08-31 19:58:50,164 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5609318996415771 [2023-08-31 19:58:50,164 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 313 transitions. [2023-08-31 19:58:50,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 313 transitions. [2023-08-31 19:58:50,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:58:50,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 313 transitions. [2023-08-31 19:58:50,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 52.166666666666664) internal successors, (313), 6 states have internal predecessors, (313), 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) [2023-08-31 19:58:50,167 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 states have internal predecessors, (651), 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) [2023-08-31 19:58:50,167 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 states have internal predecessors, (651), 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) [2023-08-31 19:58:50,167 INFO L175 Difference]: Start difference. First operand has 43 places, 76 transitions, 378 flow. Second operand 6 states and 313 transitions. [2023-08-31 19:58:50,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 151 transitions, 1000 flow [2023-08-31 19:58:50,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 151 transitions, 1000 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 19:58:50,175 INFO L231 Difference]: Finished difference. Result has 52 places, 119 transitions, 801 flow [2023-08-31 19:58:50,176 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=801, PETRI_PLACES=52, PETRI_TRANSITIONS=119} [2023-08-31 19:58:50,176 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, 18 predicate places. [2023-08-31 19:58:50,176 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 119 transitions, 801 flow [2023-08-31 19:58:50,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.166666666666664) internal successors, (235), 6 states have internal predecessors, (235), 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) [2023-08-31 19:58:50,176 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:58:50,176 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:58:50,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 19:58:50,177 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)] === [2023-08-31 19:58:50,177 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:58:50,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1119890683, now seen corresponding path program 1 times [2023-08-31 19:58:50,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:58:50,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093975497] [2023-08-31 19:58:50,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:58:50,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:58:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:58:50,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:58:50,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:58:50,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093975497] [2023-08-31 19:58:50,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093975497] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:58:50,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:58:50,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 19:58:50,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861552865] [2023-08-31 19:58:50,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:58:50,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 19:58:50,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:58:50,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 19:58:50,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 19:58:50,394 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 93 [2023-08-31 19:58:50,394 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 119 transitions, 801 flow. Second operand has 6 states, 6 states have (on average 38.333333333333336) internal successors, (230), 6 states have internal predecessors, (230), 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) [2023-08-31 19:58:50,394 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:58:50,395 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 93 [2023-08-31 19:58:50,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:58:50,579 INFO L130 PetriNetUnfolder]: 398/903 cut-off events. [2023-08-31 19:58:50,579 INFO L131 PetriNetUnfolder]: For 1592/1609 co-relation queries the response was YES. [2023-08-31 19:58:50,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3547 conditions, 903 events. 398/903 cut-off events. For 1592/1609 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 4969 event pairs, 89 based on Foata normal form. 19/921 useless extension candidates. Maximal degree in co-relation 3529. Up to 626 conditions per place. [2023-08-31 19:58:50,584 INFO L137 encePairwiseOnDemand]: 77/93 looper letters, 120 selfloop transitions, 49 changer transitions 16/189 dead transitions. [2023-08-31 19:58:50,585 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 189 transitions, 1575 flow [2023-08-31 19:58:50,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 19:58:50,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 19:58:50,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 303 transitions. [2023-08-31 19:58:50,586 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.543010752688172 [2023-08-31 19:58:50,586 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 303 transitions. [2023-08-31 19:58:50,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 303 transitions. [2023-08-31 19:58:50,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:58:50,586 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 303 transitions. [2023-08-31 19:58:50,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 50.5) internal successors, (303), 6 states have internal predecessors, (303), 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) [2023-08-31 19:58:50,588 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 states have internal predecessors, (651), 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) [2023-08-31 19:58:50,588 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 states have internal predecessors, (651), 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) [2023-08-31 19:58:50,588 INFO L175 Difference]: Start difference. First operand has 52 places, 119 transitions, 801 flow. Second operand 6 states and 303 transitions. [2023-08-31 19:58:50,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 189 transitions, 1575 flow [2023-08-31 19:58:50,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 189 transitions, 1541 flow, removed 17 selfloop flow, removed 0 redundant places. [2023-08-31 19:58:50,597 INFO L231 Difference]: Finished difference. Result has 61 places, 148 transitions, 1152 flow [2023-08-31 19:58:50,597 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=767, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1152, PETRI_PLACES=61, PETRI_TRANSITIONS=148} [2023-08-31 19:58:50,598 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, 27 predicate places. [2023-08-31 19:58:50,598 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 148 transitions, 1152 flow [2023-08-31 19:58:50,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.333333333333336) internal successors, (230), 6 states have internal predecessors, (230), 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) [2023-08-31 19:58:50,599 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:58:50,599 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:58:50,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 19:58:50,599 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)] === [2023-08-31 19:58:50,600 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:58:50,600 INFO L85 PathProgramCache]: Analyzing trace with hash 897428423, now seen corresponding path program 1 times [2023-08-31 19:58:50,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:58:50,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721408752] [2023-08-31 19:58:50,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:58:50,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:58:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-31 19:58:50,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-31 19:58:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-31 19:58:50,649 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-31 19:58:50,649 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-31 19:58:50,650 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2023-08-31 19:58:50,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2023-08-31 19:58:50,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-08-31 19:58:50,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2023-08-31 19:58:50,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2023-08-31 19:58:50,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2023-08-31 19:58:50,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2023-08-31 19:58:50,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 19:58:50,652 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-31 19:58:50,656 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 19:58:50,657 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 19:58:50,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 07:58:50 BasicIcfg [2023-08-31 19:58:50,686 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 19:58:50,687 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 19:58:50,687 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 19:58:50,687 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 19:58:50,687 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:58:48" (3/4) ... [2023-08-31 19:58:50,688 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-08-31 19:58:50,689 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 19:58:50,691 INFO L158 Benchmark]: Toolchain (without parser) took 3336.12ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 50.6MB in the beginning and 40.9MB in the end (delta: 9.7MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2023-08-31 19:58:50,691 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 54.5MB. Free memory is still 32.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 19:58:50,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.16ms. Allocated memory is still 73.4MB. Free memory was 50.5MB in the beginning and 50.5MB in the end (delta: 4.0kB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2023-08-31 19:58:50,692 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.99ms. Allocated memory is still 73.4MB. Free memory was 50.5MB in the beginning and 48.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 19:58:50,692 INFO L158 Benchmark]: Boogie Preprocessor took 19.17ms. Allocated memory is still 73.4MB. Free memory was 48.4MB in the beginning and 46.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 19:58:50,694 INFO L158 Benchmark]: RCFGBuilder took 302.24ms. Allocated memory is still 73.4MB. Free memory was 46.7MB in the beginning and 33.5MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-31 19:58:50,698 INFO L158 Benchmark]: TraceAbstraction took 2625.10ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 32.6MB in the beginning and 41.9MB in the end (delta: -9.3MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2023-08-31 19:58:50,698 INFO L158 Benchmark]: Witness Printer took 3.97ms. Allocated memory is still 111.1MB. Free memory was 41.9MB in the beginning and 40.9MB in the end (delta: 991.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 19:58:50,700 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 54.5MB. Free memory is still 32.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.16ms. Allocated memory is still 73.4MB. Free memory was 50.5MB in the beginning and 50.5MB in the end (delta: 4.0kB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.99ms. Allocated memory is still 73.4MB. Free memory was 50.5MB in the beginning and 48.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.17ms. Allocated memory is still 73.4MB. Free memory was 48.4MB in the beginning and 46.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 302.24ms. Allocated memory is still 73.4MB. Free memory was 46.7MB in the beginning and 33.5MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2625.10ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 32.6MB in the beginning and 41.9MB in the end (delta: -9.3MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * Witness Printer took 3.97ms. Allocated memory is still 111.1MB. Free memory was 41.9MB in the beginning and 40.9MB in the end (delta: 991.8kB). 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: 0.9s, 65 PlacesBefore, 34 PlacesAfterwards, 61 TransitionsBefore, 30 TransitionsAfterwards, 1144 CoEnabledTransitionPairs, 4 FixpointIterations, 11 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 31 TotalNumberOfCompositions, 4531 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 875, independent: 628, independent conditional: 0, independent unconditional: 628, dependent: 247, dependent conditional: 0, dependent unconditional: 247, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 447, independent: 412, independent conditional: 0, independent unconditional: 412, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 875, independent: 216, independent conditional: 0, independent unconditional: 216, dependent: 212, dependent conditional: 0, dependent unconditional: 212, unknown: 447, unknown conditional: 0, unknown unconditional: 447] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 687]: Data race detected Data race detected The following path leads to a data race: [L679] 0 int data[10]; [L685] 0 pthread_t id; [L686] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L681] EXPR 1 data[4] VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0] [L687] EXPR 0 data[4] VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0, data[4]=0, id={2:0}] [L681] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0] [L687] 0 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0, data[4]=0, id={2:0}] [L681] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0] [L687] 0 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0, data[4]=0, id={2:0}] [L681] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]++=0, data[4]++=41, data[4]=0] [L687] 0 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]++=0, data[4]++=41, data[4]=0, data[4]=0, id={2:0}] Now there is a data race (on the heap) between C: data[4]++ [681] and C: data[4]++ [687] - UnprovableResult [Line: 687]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 686]: 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: 681]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 681]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 87 locations, 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: 2.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 225 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 147 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 117 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 659 IncrementalHoareTripleChecker+Invalid, 776 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 117 mSolverCounterUnsat, 0 mSDtfsCounter, 659 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=1152occurred 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, 0.5s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 300 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! [2023-08-31 19:58:50,728 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