./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_07-glob_fld_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_07-glob_fld_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 4b10301f6f97c5435769d7b19a9e50d6b7ee8e52c2dd24af35f51d042843ff4c --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 02:00:01,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 02:00:01,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 02:00:01,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 02:00:01,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 02:00:01,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 02:00:01,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 02:00:01,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 02:00:01,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 02:00:01,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 02:00:01,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 02:00:01,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 02:00:01,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 02:00:01,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 02:00:01,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 02:00:01,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 02:00:01,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 02:00:01,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 02:00:01,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 02:00:01,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 02:00:01,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 02:00:01,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 02:00:01,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 02:00:01,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 02:00:01,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 02:00:01,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 02:00:01,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 02:00:01,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 02:00:01,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 02:00:01,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 02:00:01,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 02:00:01,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 02:00:01,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 02:00:01,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 02:00:01,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 02:00:01,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 02:00:01,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 02:00:01,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 02:00:01,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 02:00:01,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 02:00:01,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 02:00:01,233 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 02:00:01,258 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 02:00:01,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 02:00:01,259 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 02:00:01,260 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 02:00:01,260 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 02:00:01,260 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 02:00:01,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 02:00:01,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 02:00:01,261 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 02:00:01,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 02:00:01,262 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 02:00:01,262 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 02:00:01,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 02:00:01,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 02:00:01,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 02:00:01,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 02:00:01,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 02:00:01,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 02:00:01,263 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 02:00:01,264 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 02:00:01,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 02:00:01,264 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 02:00:01,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 02:00:01,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 02:00:01,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 02:00:01,265 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 02:00:01,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 02:00:01,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 02:00:01,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 02:00:01,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 02:00:01,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 02:00:01,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 02:00:01,266 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 02:00:01,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 02:00:01,266 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 02:00:01,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 02:00:01,267 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 02:00:01,267 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b10301f6f97c5435769d7b19a9e50d6b7ee8e52c2dd24af35f51d042843ff4c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 02:00:01,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 02:00:01,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 02:00:01,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 02:00:01,541 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 02:00:01,542 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 02:00:01,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_07-glob_fld_rc.i [2023-08-29 02:00:02,508 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 02:00:02,782 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 02:00:02,783 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_07-glob_fld_rc.i [2023-08-29 02:00:02,792 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38cea0501/997568fc53684542a58a9a4b37216853/FLAGa0c32fa82 [2023-08-29 02:00:02,812 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38cea0501/997568fc53684542a58a9a4b37216853 [2023-08-29 02:00:02,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 02:00:02,815 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 02:00:02,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 02:00:02,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 02:00:02,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 02:00:02,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:00:02" (1/1) ... [2023-08-29 02:00:02,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@97ed33f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:00:02, skipping insertion in model container [2023-08-29 02:00:02,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:00:02" (1/1) ... [2023-08-29 02:00:02,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 02:00:02,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 02:00:03,031 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 02:00:03,038 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 02:00:03,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 02:00:03,116 INFO L208 MainTranslator]: Completed translation [2023-08-29 02:00:03,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:00:03 WrapperNode [2023-08-29 02:00:03,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 02:00:03,118 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 02:00:03,118 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 02:00:03,118 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 02:00:03,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:00:03" (1/1) ... [2023-08-29 02:00:03,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:00:03" (1/1) ... [2023-08-29 02:00:03,167 INFO L138 Inliner]: procedures = 161, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2023-08-29 02:00:03,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 02:00:03,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 02:00:03,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 02:00:03,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 02:00:03,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:00:03" (1/1) ... [2023-08-29 02:00:03,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:00:03" (1/1) ... [2023-08-29 02:00:03,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:00:03" (1/1) ... [2023-08-29 02:00:03,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:00:03" (1/1) ... [2023-08-29 02:00:03,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:00:03" (1/1) ... [2023-08-29 02:00:03,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:00:03" (1/1) ... [2023-08-29 02:00:03,203 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:00:03" (1/1) ... [2023-08-29 02:00:03,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:00:03" (1/1) ... [2023-08-29 02:00:03,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 02:00:03,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 02:00:03,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 02:00:03,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 02:00:03,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:00:03" (1/1) ... [2023-08-29 02:00:03,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 02:00:03,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 02:00:03,266 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 02:00:03,345 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 02:00:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 02:00:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 02:00:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 02:00:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 02:00:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 02:00:03,377 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 02:00:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 02:00:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 02:00:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 02:00:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 02:00:03,379 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 02:00:03,499 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 02:00:03,500 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 02:00:03,649 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 02:00:03,653 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 02:00:03,653 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 02:00:03,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:00:03 BoogieIcfgContainer [2023-08-29 02:00:03,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 02:00:03,655 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 02:00:03,655 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 02:00:03,657 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 02:00:03,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 02:00:02" (1/3) ... [2023-08-29 02:00:03,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1625929d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:00:03, skipping insertion in model container [2023-08-29 02:00:03,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:00:03" (2/3) ... [2023-08-29 02:00:03,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1625929d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:00:03, skipping insertion in model container [2023-08-29 02:00:03,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:00:03" (3/3) ... [2023-08-29 02:00:03,660 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_07-glob_fld_rc.i [2023-08-29 02:00:03,665 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 02:00:03,671 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 02:00:03,671 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-29 02:00:03,671 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 02:00:03,730 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 02:00:03,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 67 places, 63 transitions, 131 flow [2023-08-29 02:00:03,799 INFO L130 PetriNetUnfolder]: 0/62 cut-off events. [2023-08-29 02:00:03,799 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:00:03,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 62 events. 0/62 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. 0/58 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-29 02:00:03,801 INFO L82 GeneralOperation]: Start removeDead. Operand has 67 places, 63 transitions, 131 flow [2023-08-29 02:00:03,805 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 66 places, 62 transitions, 127 flow [2023-08-29 02:00:03,807 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 02:00:03,820 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 62 transitions, 127 flow [2023-08-29 02:00:03,822 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 62 transitions, 127 flow [2023-08-29 02:00:03,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 66 places, 62 transitions, 127 flow [2023-08-29 02:00:03,843 INFO L130 PetriNetUnfolder]: 0/62 cut-off events. [2023-08-29 02:00:03,844 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:00:03,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 62 events. 0/62 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. 0/58 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-29 02:00:03,845 INFO L119 LiptonReduction]: Number of co-enabled transitions 1144 [2023-08-29 02:00:04,856 INFO L134 LiptonReduction]: Checked pairs total: 4692 [2023-08-29 02:00:04,856 INFO L136 LiptonReduction]: Total number of compositions: 32 [2023-08-29 02:00:04,871 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 02:00:04,876 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;@43c864d6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 02:00:04,877 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-08-29 02:00:04,885 INFO L130 PetriNetUnfolder]: 0/12 cut-off events. [2023-08-29 02:00:04,886 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:00:04,886 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:00:04,887 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:00:04,888 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 02:00:04,891 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:00:04,892 INFO L85 PathProgramCache]: Analyzing trace with hash -389454429, now seen corresponding path program 1 times [2023-08-29 02:00:04,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:00:04,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394223550] [2023-08-29 02:00:04,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:00:04,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:00:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:00:05,306 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 02:00:05,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:00:05,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394223550] [2023-08-29 02:00:05,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394223550] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:00:05,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:00:05,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 02:00:05,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882202306] [2023-08-29 02:00:05,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:00:05,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 02:00:05,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:00:05,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 02:00:05,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 02:00:05,432 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 39 out of 95 [2023-08-29 02:00:05,434 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 30 transitions, 63 flow. Second operand has 6 states, 6 states have (on average 40.333333333333336) internal successors, (242), 6 states have internal predecessors, (242), 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 02:00:05,435 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:00:05,435 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 39 of 95 [2023-08-29 02:00:05,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:00:05,657 INFO L130 PetriNetUnfolder]: 262/621 cut-off events. [2023-08-29 02:00:05,658 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:00:05,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1200 conditions, 621 events. 262/621 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3239 event pairs, 56 based on Foata normal form. 0/599 useless extension candidates. Maximal degree in co-relation 1191. Up to 227 conditions per place. [2023-08-29 02:00:05,670 INFO L137 encePairwiseOnDemand]: 73/95 looper letters, 88 selfloop transitions, 42 changer transitions 0/132 dead transitions. [2023-08-29 02:00:05,671 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 132 transitions, 527 flow [2023-08-29 02:00:05,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 02:00:05,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 02:00:05,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 366 transitions. [2023-08-29 02:00:05,685 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6421052631578947 [2023-08-29 02:00:05,685 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 366 transitions. [2023-08-29 02:00:05,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 366 transitions. [2023-08-29 02:00:05,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:00:05,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 366 transitions. [2023-08-29 02:00:05,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 61.0) internal successors, (366), 6 states have internal predecessors, (366), 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 02:00:05,705 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 95.0) internal successors, (665), 7 states have internal predecessors, (665), 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 02:00:05,711 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 95.0) internal successors, (665), 7 states have internal predecessors, (665), 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 02:00:05,712 INFO L175 Difference]: Start difference. First operand has 34 places, 30 transitions, 63 flow. Second operand 6 states and 366 transitions. [2023-08-29 02:00:05,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 132 transitions, 527 flow [2023-08-29 02:00:05,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 132 transitions, 526 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 02:00:05,718 INFO L231 Difference]: Finished difference. Result has 43 places, 76 transitions, 378 flow [2023-08-29 02:00:05,721 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, 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} [2023-08-29 02:00:05,723 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, 9 predicate places. [2023-08-29 02:00:05,723 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 76 transitions, 378 flow [2023-08-29 02:00:05,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 40.333333333333336) internal successors, (242), 6 states have internal predecessors, (242), 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 02:00:05,724 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:00:05,724 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:00:05,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 02:00:05,725 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 02:00:05,730 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:00:05,731 INFO L85 PathProgramCache]: Analyzing trace with hash 779321685, now seen corresponding path program 1 times [2023-08-29 02:00:05,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:00:05,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727507812] [2023-08-29 02:00:05,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:00:05,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:00:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:00:05,988 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 02:00:05,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:00:05,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727507812] [2023-08-29 02:00:05,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727507812] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:00:05,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:00:05,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 02:00:05,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017882477] [2023-08-29 02:00:05,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:00:05,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 02:00:05,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:00:05,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 02:00:05,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 02:00:06,094 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 38 out of 95 [2023-08-29 02:00:06,094 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 76 transitions, 378 flow. Second operand has 6 states, 6 states have (on average 40.333333333333336) internal successors, (242), 6 states have internal predecessors, (242), 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 02:00:06,094 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:00:06,094 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 38 of 95 [2023-08-29 02:00:06,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:00:06,235 INFO L130 PetriNetUnfolder]: 358/818 cut-off events. [2023-08-29 02:00:06,235 INFO L131 PetriNetUnfolder]: For 470/478 co-relation queries the response was YES. [2023-08-29 02:00:06,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2538 conditions, 818 events. 358/818 cut-off events. For 470/478 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 4413 event pairs, 103 based on Foata normal form. 22/840 useless extension candidates. Maximal degree in co-relation 2525. Up to 556 conditions per place. [2023-08-29 02:00:06,239 INFO L137 encePairwiseOnDemand]: 79/95 looper letters, 99 selfloop transitions, 46 changer transitions 3/151 dead transitions. [2023-08-29 02:00:06,239 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 151 transitions, 1002 flow [2023-08-29 02:00:06,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 02:00:06,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 02:00:06,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 320 transitions. [2023-08-29 02:00:06,240 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5614035087719298 [2023-08-29 02:00:06,240 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 320 transitions. [2023-08-29 02:00:06,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 320 transitions. [2023-08-29 02:00:06,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:00:06,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 320 transitions. [2023-08-29 02:00:06,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 53.333333333333336) internal successors, (320), 6 states have internal predecessors, (320), 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 02:00:06,243 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 95.0) internal successors, (665), 7 states have internal predecessors, (665), 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 02:00:06,243 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 95.0) internal successors, (665), 7 states have internal predecessors, (665), 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 02:00:06,243 INFO L175 Difference]: Start difference. First operand has 43 places, 76 transitions, 378 flow. Second operand 6 states and 320 transitions. [2023-08-29 02:00:06,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 151 transitions, 1002 flow [2023-08-29 02:00:06,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 151 transitions, 1002 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 02:00:06,248 INFO L231 Difference]: Finished difference. Result has 52 places, 119 transitions, 801 flow [2023-08-29 02:00:06,248 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, 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} [2023-08-29 02:00:06,248 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, 18 predicate places. [2023-08-29 02:00:06,248 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 119 transitions, 801 flow [2023-08-29 02:00:06,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 40.333333333333336) internal successors, (242), 6 states have internal predecessors, (242), 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 02:00:06,249 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:00:06,249 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:00:06,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 02:00:06,249 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 02:00:06,249 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:00:06,249 INFO L85 PathProgramCache]: Analyzing trace with hash 86570219, now seen corresponding path program 1 times [2023-08-29 02:00:06,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:00:06,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609004451] [2023-08-29 02:00:06,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:00:06,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:00:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:00:06,378 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 02:00:06,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:00:06,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609004451] [2023-08-29 02:00:06,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609004451] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:00:06,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:00:06,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 02:00:06,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875341418] [2023-08-29 02:00:06,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:00:06,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 02:00:06,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:00:06,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 02:00:06,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 02:00:06,449 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 95 [2023-08-29 02:00:06,450 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 119 transitions, 801 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) [2023-08-29 02:00:06,450 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:00:06,450 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 95 [2023-08-29 02:00:06,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:00:06,606 INFO L130 PetriNetUnfolder]: 432/962 cut-off events. [2023-08-29 02:00:06,606 INFO L131 PetriNetUnfolder]: For 1585/1602 co-relation queries the response was YES. [2023-08-29 02:00:06,608 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3741 conditions, 962 events. 432/962 cut-off events. For 1585/1602 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 5307 event pairs, 113 based on Foata normal form. 24/985 useless extension candidates. Maximal degree in co-relation 3723. Up to 674 conditions per place. [2023-08-29 02:00:06,611 INFO L137 encePairwiseOnDemand]: 79/95 looper letters, 125 selfloop transitions, 49 changer transitions 16/193 dead transitions. [2023-08-29 02:00:06,611 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 193 transitions, 1593 flow [2023-08-29 02:00:06,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 02:00:06,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 02:00:06,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 314 transitions. [2023-08-29 02:00:06,613 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5508771929824562 [2023-08-29 02:00:06,613 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 314 transitions. [2023-08-29 02:00:06,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 314 transitions. [2023-08-29 02:00:06,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:00:06,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 314 transitions. [2023-08-29 02:00:06,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 52.333333333333336) internal successors, (314), 6 states have internal predecessors, (314), 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 02:00:06,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 95.0) internal successors, (665), 7 states have internal predecessors, (665), 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 02:00:06,615 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 95.0) internal successors, (665), 7 states have internal predecessors, (665), 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 02:00:06,616 INFO L175 Difference]: Start difference. First operand has 52 places, 119 transitions, 801 flow. Second operand 6 states and 314 transitions. [2023-08-29 02:00:06,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 193 transitions, 1593 flow [2023-08-29 02:00:06,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 193 transitions, 1559 flow, removed 17 selfloop flow, removed 0 redundant places. [2023-08-29 02:00:06,623 INFO L231 Difference]: Finished difference. Result has 61 places, 148 transitions, 1152 flow [2023-08-29 02:00:06,623 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, 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} [2023-08-29 02:00:06,624 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, 27 predicate places. [2023-08-29 02:00:06,624 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 148 transitions, 1152 flow [2023-08-29 02:00:06,624 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) [2023-08-29 02:00:06,625 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:00:06,625 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:00:06,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 02:00:06,625 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 02:00:06,625 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:00:06,625 INFO L85 PathProgramCache]: Analyzing trace with hash -2051467826, now seen corresponding path program 1 times [2023-08-29 02:00:06,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:00:06,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982825076] [2023-08-29 02:00:06,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:00:06,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:00:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 02:00:06,661 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 02:00:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 02:00:06,710 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 02:00:06,710 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 02:00:06,711 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2023-08-29 02:00:06,712 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2023-08-29 02:00:06,712 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-08-29 02:00:06,712 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2023-08-29 02:00:06,712 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2023-08-29 02:00:06,713 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2023-08-29 02:00:06,713 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2023-08-29 02:00:06,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 02:00:06,713 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-29 02:00:06,717 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 02:00:06,717 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 02:00:06,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 02:00:06 BasicIcfg [2023-08-29 02:00:06,740 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 02:00:06,741 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 02:00:06,741 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 02:00:06,741 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 02:00:06,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:00:03" (3/4) ... [2023-08-29 02:00:06,745 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-08-29 02:00:06,747 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 02:00:06,750 INFO L158 Benchmark]: Toolchain (without parser) took 3932.82ms. Allocated memory was 62.9MB in the beginning and 111.1MB in the end (delta: 48.2MB). Free memory was 39.0MB in the beginning and 61.0MB in the end (delta: -22.0MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2023-08-29 02:00:06,751 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 52.4MB. Free memory is still 30.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 02:00:06,751 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.51ms. Allocated memory is still 62.9MB. Free memory was 38.9MB in the beginning and 35.7MB in the end (delta: 3.2MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2023-08-29 02:00:06,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.39ms. Allocated memory is still 62.9MB. Free memory was 35.7MB in the beginning and 33.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 02:00:06,752 INFO L158 Benchmark]: Boogie Preprocessor took 43.08ms. Allocated memory is still 62.9MB. Free memory was 33.7MB in the beginning and 32.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 02:00:06,753 INFO L158 Benchmark]: RCFGBuilder took 442.65ms. Allocated memory is still 62.9MB. Free memory was 32.2MB in the beginning and 38.8MB in the end (delta: -6.6MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2023-08-29 02:00:06,753 INFO L158 Benchmark]: TraceAbstraction took 3085.19ms. Allocated memory was 62.9MB in the beginning and 111.1MB in the end (delta: 48.2MB). Free memory was 38.1MB in the beginning and 61.0MB in the end (delta: -22.9MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2023-08-29 02:00:06,754 INFO L158 Benchmark]: Witness Printer took 6.69ms. Allocated memory is still 111.1MB. Free memory was 61.0MB in the beginning and 61.0MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 02:00:06,756 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 52.4MB. Free memory is still 30.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.51ms. Allocated memory is still 62.9MB. Free memory was 38.9MB in the beginning and 35.7MB in the end (delta: 3.2MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.39ms. Allocated memory is still 62.9MB. Free memory was 35.7MB in the beginning and 33.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.08ms. Allocated memory is still 62.9MB. Free memory was 33.7MB in the beginning and 32.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 442.65ms. Allocated memory is still 62.9MB. Free memory was 32.2MB in the beginning and 38.8MB in the end (delta: -6.6MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3085.19ms. Allocated memory was 62.9MB in the beginning and 111.1MB in the end (delta: 48.2MB). Free memory was 38.1MB in the beginning and 61.0MB in the end (delta: -22.9MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * Witness Printer took 6.69ms. Allocated memory is still 111.1MB. Free memory was 61.0MB in the beginning and 61.0MB in the end (delta: 2.7kB). 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: 1.0s, 66 PlacesBefore, 34 PlacesAfterwards, 62 TransitionsBefore, 30 TransitionsAfterwards, 1144 CoEnabledTransitionPairs, 4 FixpointIterations, 12 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 32 TotalNumberOfCompositions, 4692 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 893, independent: 639, independent conditional: 0, independent unconditional: 639, dependent: 254, dependent conditional: 0, dependent unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 451, independent: 414, independent conditional: 0, independent unconditional: 414, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 893, independent: 225, independent conditional: 0, independent unconditional: 225, dependent: 217, dependent conditional: 0, dependent unconditional: 217, unknown: 451, unknown conditional: 0, unknown unconditional: 451] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 31, Positive conditional cache size: 0, Positive unconditional cache size: 31, 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: 690]: Data race detected Data race detected The following path leads to a data race: [L679-L682] 0 struct { int x; int y; } data; [L688] 0 pthread_t id; [L689] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L684] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data.x=0, data={1:0}] [L690] EXPR 0 data.x VAL [arg={0:0}, arg={0:0}, data.x=0, data.x=0, data={1:0}, id={5:0}] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data.x=0, data={1:0}] [L690] 0 data.x++ VAL [arg={0:0}, arg={0:0}, data.x=0, data.x=0, data={1:0}, id={5:0}] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data.x=0, data={1:0}] [L690] 0 data.x++ VAL [arg={0:0}, arg={0:0}, data.x=0, data.x=0, data={1:0}, id={5:0}] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data.x++=0, data.x=0, data={1:0}] [L690] 0 data.x++ VAL [arg={0:0}, arg={0:0}, data.x++=0, data.x=0, data.x=0, data={1:0}, id={5:0}] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data.x++=0, data.x++=9, data.x=0, data={1:0}] [L690] 0 data.x++ VAL [arg={0:0}, arg={0:0}, data.x++=0, data.x++=9, data.x=0, data.x=0, data={1:0}, id={5:0}] Now there is a data race (on the heap) between C: data.x++ [684] and C: data.x++ [690] - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 689]: 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: 684]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 684]: 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, 88 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: 3.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 251 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 170 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 113 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 691 IncrementalHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 113 mSolverCounterUnsat, 2 mSDtfsCounter, 691 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, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 276 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 02:00:06,786 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE