./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/04-mutex_37-indirect_rc.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_37-indirect_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 91e4ed4bfe1f39ec65b13c41c6a7b6461aa954e8b5b654b0aa1c967848462a4b --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 01:59:07,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 01:59:07,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 01:59:07,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 01:59:07,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 01:59:07,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 01:59:07,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 01:59:07,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 01:59:07,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 01:59:07,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 01:59:07,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 01:59:07,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 01:59:07,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 01:59:07,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 01:59:07,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 01:59:07,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 01:59:07,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 01:59:07,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 01:59:07,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 01:59:07,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 01:59:07,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 01:59:07,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 01:59:07,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 01:59:07,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 01:59:07,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 01:59:07,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 01:59:07,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 01:59:07,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 01:59:07,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 01:59:07,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 01:59:07,090 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 01:59:07,091 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 01:59:07,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 01:59:07,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 01:59:07,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 01:59:07,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 01:59:07,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 01:59:07,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 01:59:07,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 01:59:07,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 01:59:07,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 01:59:07,095 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 01:59:07,124 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 01:59:07,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 01:59:07,126 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 01:59:07,126 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 01:59:07,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 01:59:07,127 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 01:59:07,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 01:59:07,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 01:59:07,128 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 01:59:07,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 01:59:07,129 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 01:59:07,129 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 01:59:07,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 01:59:07,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 01:59:07,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 01:59:07,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 01:59:07,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 01:59:07,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 01:59:07,130 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 01:59:07,130 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 01:59:07,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 01:59:07,130 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 01:59:07,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 01:59:07,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 01:59:07,131 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 01:59:07,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 01:59:07,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:59:07,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 01:59:07,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 01:59:07,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 01:59:07,132 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 01:59:07,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 01:59:07,133 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 01:59:07,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 01:59:07,133 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 01:59:07,133 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 01:59:07,133 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 01:59:07,134 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91e4ed4bfe1f39ec65b13c41c6a7b6461aa954e8b5b654b0aa1c967848462a4b Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 01:59:07,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 01:59:07,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 01:59:07,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 01:59:07,402 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 01:59:07,402 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 01:59:07,403 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_37-indirect_rc.i [2023-08-29 01:59:08,441 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 01:59:08,608 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 01:59:08,609 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_37-indirect_rc.i [2023-08-29 01:59:08,617 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/160437a85/36500b564d0448da97a62d5e03a39612/FLAG4b4ce41de [2023-08-29 01:59:08,634 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/160437a85/36500b564d0448da97a62d5e03a39612 [2023-08-29 01:59:08,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 01:59:08,646 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 01:59:08,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 01:59:08,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 01:59:08,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 01:59:08,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:59:08" (1/1) ... [2023-08-29 01:59:08,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58b7a1b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:59:08, skipping insertion in model container [2023-08-29 01:59:08,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:59:08" (1/1) ... [2023-08-29 01:59:08,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 01:59:08,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 01:59:08,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:59:08,933 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 01:59:08,963 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:59:08,991 INFO L208 MainTranslator]: Completed translation [2023-08-29 01:59:08,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:59:08 WrapperNode [2023-08-29 01:59:08,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 01:59:08,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 01:59:08,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 01:59:08,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 01:59:08,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:59:08" (1/1) ... [2023-08-29 01:59:09,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:59:08" (1/1) ... [2023-08-29 01:59:09,043 INFO L138 Inliner]: procedures = 162, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2023-08-29 01:59:09,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 01:59:09,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 01:59:09,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 01:59:09,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 01:59:09,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:59:08" (1/1) ... [2023-08-29 01:59:09,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:59:08" (1/1) ... [2023-08-29 01:59:09,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:59:08" (1/1) ... [2023-08-29 01:59:09,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:59:08" (1/1) ... [2023-08-29 01:59:09,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:59:08" (1/1) ... [2023-08-29 01:59:09,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:59:08" (1/1) ... [2023-08-29 01:59:09,076 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:59:08" (1/1) ... [2023-08-29 01:59:09,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:59:08" (1/1) ... [2023-08-29 01:59:09,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 01:59:09,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 01:59:09,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 01:59:09,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 01:59:09,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:59:08" (1/1) ... [2023-08-29 01:59:09,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:59:09,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:59:09,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 01:59:09,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 01:59:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 01:59:09,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 01:59:09,160 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 01:59:09,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 01:59:09,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 01:59:09,160 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 01:59:09,160 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 01:59:09,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 01:59:09,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 01:59:09,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 01:59:09,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 01:59:09,162 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 01:59:09,297 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 01:59:09,298 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 01:59:09,514 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 01:59:09,519 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 01:59:09,520 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 01:59:09,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:59:09 BoogieIcfgContainer [2023-08-29 01:59:09,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 01:59:09,524 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 01:59:09,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 01:59:09,526 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 01:59:09,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 01:59:08" (1/3) ... [2023-08-29 01:59:09,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57be77a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:59:09, skipping insertion in model container [2023-08-29 01:59:09,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:59:08" (2/3) ... [2023-08-29 01:59:09,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57be77a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:59:09, skipping insertion in model container [2023-08-29 01:59:09,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:59:09" (3/3) ... [2023-08-29 01:59:09,528 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_37-indirect_rc.i [2023-08-29 01:59:09,533 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 01:59:09,539 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 01:59:09,539 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-08-29 01:59:09,539 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 01:59:09,594 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-29 01:59:09,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 109 places, 105 transitions, 218 flow [2023-08-29 01:59:09,673 INFO L130 PetriNetUnfolder]: 0/104 cut-off events. [2023-08-29 01:59:09,673 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 01:59:09,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 104 events. 0/104 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-08-29 01:59:09,676 INFO L82 GeneralOperation]: Start removeDead. Operand has 109 places, 105 transitions, 218 flow [2023-08-29 01:59:09,679 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 101 places, 97 transitions, 197 flow [2023-08-29 01:59:09,681 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 01:59:09,698 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 97 transitions, 197 flow [2023-08-29 01:59:09,700 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 97 transitions, 197 flow [2023-08-29 01:59:09,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 101 places, 97 transitions, 197 flow [2023-08-29 01:59:09,726 INFO L130 PetriNetUnfolder]: 0/97 cut-off events. [2023-08-29 01:59:09,726 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:59:09,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 97 events. 0/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-29 01:59:09,729 INFO L119 LiptonReduction]: Number of co-enabled transitions 1736 [2023-08-29 01:59:11,626 INFO L134 LiptonReduction]: Checked pairs total: 10756 [2023-08-29 01:59:11,626 INFO L136 LiptonReduction]: Total number of compositions: 72 [2023-08-29 01:59:11,636 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 01:59:11,642 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;@1823a28b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 01:59:11,643 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2023-08-29 01:59:11,645 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 01:59:11,645 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:59:11,646 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:59:11,646 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 01:59:11,646 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-08-29 01:59:11,650 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:59:11,650 INFO L85 PathProgramCache]: Analyzing trace with hash 341, now seen corresponding path program 1 times [2023-08-29 01:59:11,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:59:11,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208231155] [2023-08-29 01:59:11,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:59:11,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:59:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:59:11,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:59:11,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:59:11,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208231155] [2023-08-29 01:59:11,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208231155] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:59:11,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:59:11,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 01:59:11,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938478900] [2023-08-29 01:59:11,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:59:11,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 01:59:11,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:59:11,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 01:59:11,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 01:59:11,825 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 177 [2023-08-29 01:59:11,827 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 42 transitions, 87 flow. Second operand has 2 states, 2 states have (on average 103.5) internal successors, (207), 2 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:11,827 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:59:11,827 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 177 [2023-08-29 01:59:11,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:59:11,879 INFO L130 PetriNetUnfolder]: 20/141 cut-off events. [2023-08-29 01:59:11,879 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:59:11,881 INFO L83 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 141 events. 20/141 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 516 event pairs, 20 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 188. Up to 52 conditions per place. [2023-08-29 01:59:11,882 INFO L137 encePairwiseOnDemand]: 172/177 looper letters, 11 selfloop transitions, 0 changer transitions 0/37 dead transitions. [2023-08-29 01:59:11,883 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 37 transitions, 99 flow [2023-08-29 01:59:11,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 01:59:11,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 01:59:11,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 222 transitions. [2023-08-29 01:59:11,892 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6271186440677966 [2023-08-29 01:59:11,893 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 222 transitions. [2023-08-29 01:59:11,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 222 transitions. [2023-08-29 01:59:11,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:59:11,896 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 222 transitions. [2023-08-29 01:59:11,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 111.0) internal successors, (222), 2 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:11,905 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:11,906 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:11,907 INFO L175 Difference]: Start difference. First operand has 46 places, 42 transitions, 87 flow. Second operand 2 states and 222 transitions. [2023-08-29 01:59:11,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 37 transitions, 99 flow [2023-08-29 01:59:11,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 37 transitions, 98 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:59:11,910 INFO L231 Difference]: Finished difference. Result has 41 places, 37 transitions, 76 flow [2023-08-29 01:59:11,911 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=76, PETRI_PLACES=41, PETRI_TRANSITIONS=37} [2023-08-29 01:59:11,914 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, -5 predicate places. [2023-08-29 01:59:11,914 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 37 transitions, 76 flow [2023-08-29 01:59:11,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 103.5) internal successors, (207), 2 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:11,914 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:59:11,914 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:59:11,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 01:59:11,915 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-08-29 01:59:11,921 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:59:11,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1911164474, now seen corresponding path program 1 times [2023-08-29 01:59:11,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:59:11,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801484876] [2023-08-29 01:59:11,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:59:11,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:59:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:59:12,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:59:12,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:59:12,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801484876] [2023-08-29 01:59:12,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801484876] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:59:12,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:59:12,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:59:12,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40830829] [2023-08-29 01:59:12,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:59:12,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:59:12,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:59:12,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:59:12,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:59:12,414 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 177 [2023-08-29 01:59:12,415 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 37 transitions, 76 flow. Second operand has 6 states, 6 states have (on average 87.33333333333333) internal successors, (524), 6 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:12,415 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:59:12,415 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 177 [2023-08-29 01:59:12,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:59:12,506 INFO L130 PetriNetUnfolder]: 108/328 cut-off events. [2023-08-29 01:59:12,506 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:59:12,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 576 conditions, 328 events. 108/328 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1449 event pairs, 50 based on Foata normal form. 0/315 useless extension candidates. Maximal degree in co-relation 573. Up to 184 conditions per place. [2023-08-29 01:59:12,508 INFO L137 encePairwiseOnDemand]: 166/177 looper letters, 33 selfloop transitions, 22 changer transitions 0/70 dead transitions. [2023-08-29 01:59:12,508 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 70 transitions, 252 flow [2023-08-29 01:59:12,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:59:12,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:59:12,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 572 transitions. [2023-08-29 01:59:12,511 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5386064030131826 [2023-08-29 01:59:12,512 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 572 transitions. [2023-08-29 01:59:12,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 572 transitions. [2023-08-29 01:59:12,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:59:12,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 572 transitions. [2023-08-29 01:59:12,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 95.33333333333333) internal successors, (572), 6 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:12,515 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 177.0) internal successors, (1239), 7 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:12,516 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 177.0) internal successors, (1239), 7 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:12,516 INFO L175 Difference]: Start difference. First operand has 41 places, 37 transitions, 76 flow. Second operand 6 states and 572 transitions. [2023-08-29 01:59:12,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 70 transitions, 252 flow [2023-08-29 01:59:12,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 70 transitions, 252 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:59:12,517 INFO L231 Difference]: Finished difference. Result has 51 places, 58 transitions, 226 flow [2023-08-29 01:59:12,518 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=226, PETRI_PLACES=51, PETRI_TRANSITIONS=58} [2023-08-29 01:59:12,518 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 5 predicate places. [2023-08-29 01:59:12,518 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 58 transitions, 226 flow [2023-08-29 01:59:12,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 87.33333333333333) internal successors, (524), 6 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:12,519 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:59:12,519 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:59:12,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 01:59:12,519 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-08-29 01:59:12,520 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:59:12,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1559680124, now seen corresponding path program 1 times [2023-08-29 01:59:12,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:59:12,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115804201] [2023-08-29 01:59:12,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:59:12,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:59:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:59:12,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:59:12,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:59:12,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115804201] [2023-08-29 01:59:12,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115804201] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:59:12,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:59:12,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:59:12,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119258290] [2023-08-29 01:59:12,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:59:12,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:59:12,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:59:12,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:59:12,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:59:12,818 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 177 [2023-08-29 01:59:12,819 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 58 transitions, 226 flow. Second operand has 6 states, 6 states have (on average 87.33333333333333) internal successors, (524), 6 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:12,819 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:59:12,819 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 177 [2023-08-29 01:59:12,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:59:12,911 INFO L130 PetriNetUnfolder]: 151/452 cut-off events. [2023-08-29 01:59:12,911 INFO L131 PetriNetUnfolder]: For 139/141 co-relation queries the response was YES. [2023-08-29 01:59:12,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 971 conditions, 452 events. 151/452 cut-off events. For 139/141 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2313 event pairs, 43 based on Foata normal form. 2/433 useless extension candidates. Maximal degree in co-relation 963. Up to 239 conditions per place. [2023-08-29 01:59:12,914 INFO L137 encePairwiseOnDemand]: 166/177 looper letters, 51 selfloop transitions, 26 changer transitions 0/95 dead transitions. [2023-08-29 01:59:12,914 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 95 transitions, 480 flow [2023-08-29 01:59:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:59:12,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:59:12,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 576 transitions. [2023-08-29 01:59:12,918 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5423728813559322 [2023-08-29 01:59:12,918 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 576 transitions. [2023-08-29 01:59:12,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 576 transitions. [2023-08-29 01:59:12,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:59:12,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 576 transitions. [2023-08-29 01:59:12,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 96.0) internal successors, (576), 6 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:12,934 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 177.0) internal successors, (1239), 7 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:12,935 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 177.0) internal successors, (1239), 7 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:12,935 INFO L175 Difference]: Start difference. First operand has 51 places, 58 transitions, 226 flow. Second operand 6 states and 576 transitions. [2023-08-29 01:59:12,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 95 transitions, 480 flow [2023-08-29 01:59:12,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 95 transitions, 480 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:59:12,938 INFO L231 Difference]: Finished difference. Result has 61 places, 79 transitions, 410 flow [2023-08-29 01:59:12,939 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=410, PETRI_PLACES=61, PETRI_TRANSITIONS=79} [2023-08-29 01:59:12,939 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 15 predicate places. [2023-08-29 01:59:12,939 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 79 transitions, 410 flow [2023-08-29 01:59:12,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 87.33333333333333) internal successors, (524), 6 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:12,940 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:59:12,940 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:59:12,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 01:59:12,940 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-08-29 01:59:12,956 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:59:12,957 INFO L85 PathProgramCache]: Analyzing trace with hash 528533091, now seen corresponding path program 1 times [2023-08-29 01:59:12,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:59:12,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327945538] [2023-08-29 01:59:12,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:59:12,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:59:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:59:13,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:59:13,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:59:13,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327945538] [2023-08-29 01:59:13,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327945538] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:59:13,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:59:13,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:59:13,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752602903] [2023-08-29 01:59:13,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:59:13,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:59:13,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:59:13,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:59:13,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:59:13,240 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 177 [2023-08-29 01:59:13,241 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 79 transitions, 410 flow. Second operand has 6 states, 6 states have (on average 77.16666666666667) internal successors, (463), 6 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:13,241 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:59:13,241 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 177 [2023-08-29 01:59:13,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:59:13,359 INFO L130 PetriNetUnfolder]: 305/740 cut-off events. [2023-08-29 01:59:13,359 INFO L131 PetriNetUnfolder]: For 629/640 co-relation queries the response was YES. [2023-08-29 01:59:13,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2145 conditions, 740 events. 305/740 cut-off events. For 629/640 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 3727 event pairs, 102 based on Foata normal form. 0/707 useless extension candidates. Maximal degree in co-relation 2132. Up to 556 conditions per place. [2023-08-29 01:59:13,367 INFO L137 encePairwiseOnDemand]: 162/177 looper letters, 79 selfloop transitions, 53 changer transitions 0/139 dead transitions. [2023-08-29 01:59:13,367 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 139 transitions, 946 flow [2023-08-29 01:59:13,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:59:13,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:59:13,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 530 transitions. [2023-08-29 01:59:13,369 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4990583804143126 [2023-08-29 01:59:13,369 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 530 transitions. [2023-08-29 01:59:13,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 530 transitions. [2023-08-29 01:59:13,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:59:13,369 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 530 transitions. [2023-08-29 01:59:13,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 88.33333333333333) internal successors, (530), 6 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:13,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 177.0) internal successors, (1239), 7 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:13,397 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 177.0) internal successors, (1239), 7 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:13,397 INFO L175 Difference]: Start difference. First operand has 61 places, 79 transitions, 410 flow. Second operand 6 states and 530 transitions. [2023-08-29 01:59:13,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 139 transitions, 946 flow [2023-08-29 01:59:13,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 139 transitions, 946 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:59:13,403 INFO L231 Difference]: Finished difference. Result has 71 places, 126 transitions, 892 flow [2023-08-29 01:59:13,403 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=892, PETRI_PLACES=71, PETRI_TRANSITIONS=126} [2023-08-29 01:59:13,403 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 25 predicate places. [2023-08-29 01:59:13,403 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 126 transitions, 892 flow [2023-08-29 01:59:13,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.16666666666667) internal successors, (463), 6 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:13,404 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:59:13,404 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:59:13,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 01:59:13,404 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-08-29 01:59:13,404 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:59:13,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1451770614, now seen corresponding path program 1 times [2023-08-29 01:59:13,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:59:13,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914748475] [2023-08-29 01:59:13,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:59:13,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:59:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:59:13,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:59:13,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:59:13,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914748475] [2023-08-29 01:59:13,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914748475] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:59:13,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:59:13,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:59:13,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800712285] [2023-08-29 01:59:13,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:59:13,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:59:13,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:59:13,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:59:13,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:59:13,631 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 177 [2023-08-29 01:59:13,631 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 126 transitions, 892 flow. Second operand has 6 states, 6 states have (on average 78.16666666666667) internal successors, (469), 6 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:13,631 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:59:13,631 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 177 [2023-08-29 01:59:13,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:59:13,825 INFO L130 PetriNetUnfolder]: 378/894 cut-off events. [2023-08-29 01:59:13,825 INFO L131 PetriNetUnfolder]: For 1363/1381 co-relation queries the response was YES. [2023-08-29 01:59:13,827 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3176 conditions, 894 events. 378/894 cut-off events. For 1363/1381 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 4682 event pairs, 85 based on Foata normal form. 0/851 useless extension candidates. Maximal degree in co-relation 3158. Up to 691 conditions per place. [2023-08-29 01:59:13,830 INFO L137 encePairwiseOnDemand]: 159/177 looper letters, 125 selfloop transitions, 76 changer transitions 0/208 dead transitions. [2023-08-29 01:59:13,830 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 208 transitions, 1708 flow [2023-08-29 01:59:13,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:59:13,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:59:13,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 555 transitions. [2023-08-29 01:59:13,831 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5225988700564972 [2023-08-29 01:59:13,831 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 555 transitions. [2023-08-29 01:59:13,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 555 transitions. [2023-08-29 01:59:13,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:59:13,832 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 555 transitions. [2023-08-29 01:59:13,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 92.5) internal successors, (555), 6 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:13,834 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 177.0) internal successors, (1239), 7 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:13,834 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 177.0) internal successors, (1239), 7 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:13,834 INFO L175 Difference]: Start difference. First operand has 71 places, 126 transitions, 892 flow. Second operand 6 states and 555 transitions. [2023-08-29 01:59:13,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 208 transitions, 1708 flow [2023-08-29 01:59:13,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 208 transitions, 1644 flow, removed 32 selfloop flow, removed 0 redundant places. [2023-08-29 01:59:13,842 INFO L231 Difference]: Finished difference. Result has 80 places, 188 transitions, 1431 flow [2023-08-29 01:59:13,842 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=834, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1431, PETRI_PLACES=80, PETRI_TRANSITIONS=188} [2023-08-29 01:59:13,843 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 34 predicate places. [2023-08-29 01:59:13,843 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 188 transitions, 1431 flow [2023-08-29 01:59:13,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 78.16666666666667) internal successors, (469), 6 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:13,843 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:59:13,843 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:59:13,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 01:59:13,843 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-08-29 01:59:13,843 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:59:13,843 INFO L85 PathProgramCache]: Analyzing trace with hash -350749789, now seen corresponding path program 1 times [2023-08-29 01:59:13,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:59:13,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586959177] [2023-08-29 01:59:13,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:59:13,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:59:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 01:59:13,856 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 01:59:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 01:59:13,877 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 01:59:13,877 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 01:59:13,878 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (13 of 14 remaining) [2023-08-29 01:59:13,879 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (12 of 14 remaining) [2023-08-29 01:59:13,879 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (11 of 14 remaining) [2023-08-29 01:59:13,879 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (10 of 14 remaining) [2023-08-29 01:59:13,879 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 14 remaining) [2023-08-29 01:59:13,880 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 14 remaining) [2023-08-29 01:59:13,880 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (7 of 14 remaining) [2023-08-29 01:59:13,880 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (6 of 14 remaining) [2023-08-29 01:59:13,880 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 14 remaining) [2023-08-29 01:59:13,880 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 14 remaining) [2023-08-29 01:59:13,880 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 14 remaining) [2023-08-29 01:59:13,880 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 14 remaining) [2023-08-29 01:59:13,880 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 14 remaining) [2023-08-29 01:59:13,880 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 14 remaining) [2023-08-29 01:59:13,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 01:59:13,881 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-08-29 01:59:13,885 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 01:59:13,885 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 01:59:13,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 01:59:13 BasicIcfg [2023-08-29 01:59:13,904 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 01:59:13,905 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 01:59:13,905 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 01:59:13,905 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 01:59:13,905 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:59:09" (3/4) ... [2023-08-29 01:59:13,907 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-08-29 01:59:13,907 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 01:59:13,907 INFO L158 Benchmark]: Toolchain (without parser) took 5261.65ms. Allocated memory was 69.2MB in the beginning and 121.6MB in the end (delta: 52.4MB). Free memory was 37.7MB in the beginning and 67.5MB in the end (delta: -29.7MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2023-08-29 01:59:13,907 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory is still 34.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 01:59:13,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.07ms. Allocated memory is still 69.2MB. Free memory was 37.6MB in the beginning and 34.2MB in the end (delta: 3.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2023-08-29 01:59:13,908 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.38ms. Allocated memory is still 69.2MB. Free memory was 34.2MB in the beginning and 32.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 01:59:13,908 INFO L158 Benchmark]: Boogie Preprocessor took 41.48ms. Allocated memory is still 69.2MB. Free memory was 32.0MB in the beginning and 30.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 01:59:13,908 INFO L158 Benchmark]: RCFGBuilder took 435.86ms. Allocated memory is still 69.2MB. Free memory was 30.2MB in the beginning and 34.6MB in the end (delta: -4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 01:59:13,909 INFO L158 Benchmark]: TraceAbstraction took 4380.77ms. Allocated memory was 69.2MB in the beginning and 121.6MB in the end (delta: 52.4MB). Free memory was 34.0MB in the beginning and 67.5MB in the end (delta: -33.5MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2023-08-29 01:59:13,909 INFO L158 Benchmark]: Witness Printer took 2.03ms. Allocated memory is still 121.6MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 01:59:13,910 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory is still 34.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.07ms. Allocated memory is still 69.2MB. Free memory was 37.6MB in the beginning and 34.2MB in the end (delta: 3.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.38ms. Allocated memory is still 69.2MB. Free memory was 34.2MB in the beginning and 32.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.48ms. Allocated memory is still 69.2MB. Free memory was 32.0MB in the beginning and 30.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 435.86ms. Allocated memory is still 69.2MB. Free memory was 30.2MB in the beginning and 34.6MB in the end (delta: -4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4380.77ms. Allocated memory was 69.2MB in the beginning and 121.6MB in the end (delta: 52.4MB). Free memory was 34.0MB in the beginning and 67.5MB in the end (delta: -33.5MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Witness Printer took 2.03ms. Allocated memory is still 121.6MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.9s, 101 PlacesBefore, 46 PlacesAfterwards, 97 TransitionsBefore, 42 TransitionsAfterwards, 1736 CoEnabledTransitionPairs, 7 FixpointIterations, 45 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 72 TotalNumberOfCompositions, 10756 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2157, independent: 1651, independent conditional: 0, independent unconditional: 1651, dependent: 506, dependent conditional: 0, dependent unconditional: 506, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 691, independent: 650, independent conditional: 0, independent unconditional: 650, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2157, independent: 1001, independent conditional: 0, independent unconditional: 1001, dependent: 465, dependent conditional: 0, dependent unconditional: 465, unknown: 691, unknown conditional: 0, unknown unconditional: 691] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 71, Positive conditional cache size: 0, Positive unconditional cache size: 71, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 685]: Data race detected Data race detected The following path leads to a data race: [L679] 0 int g; [L680] 0 int *g1; [L681] 0 int *g2; [L682] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L690] 0 pthread_t id; [L691] 0 int x; [L692] EXPR 0 g2 = &g [L692] 0 g1 = g2 = &g [L693] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, g1={1:0}, g2={1:0}, g={1:0}, id={5:0}, mutex={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L694] EXPR 0 *g2 [L694] EXPR 0 \read(*g2) VAL [\read(*g2)=0, arg={0:0}, g1={1:0}, g2={1:0}, g={1:0}, id={5:0}, mutex={2:0}] [L685] EXPR 1 *g1 [L685] EXPR 1 \read(*g1) VAL [\read(*g1)=0, arg={0:0}, arg={0:0}, g1={1:0}, g2={1:0}, g={1:0}, mutex={2:0}] [L694] 0 (*g2)++ VAL [\read(*g1)=0, \read(*g2)=0, arg={0:0}, arg={0:0}, g1={1:0}, g2={1:0}, g={1:0}, id={5:0}, mutex={2:0}] [L685] 1 (*g1)++ VAL [\read(*g1)=0, arg={0:0}, arg={0:0}, g1={1:0}, g2={1:0}, g={1:0}, mutex={2:0}] [L694] 0 (*g2)++ VAL [\read(*g1)=0, \read(*g2)=0, arg={0:0}, arg={0:0}, g1={1:0}, g2={1:0}, g={1:0}, id={5:0}, mutex={2:0}] [L685] 1 (*g1)++ VAL [\read(*g1)=0, arg={0:0}, arg={0:0}, g1={1:0}, g2={1:0}, g={1:0}, mutex={2:0}] [L694] 0 (*g2)++ VAL [\read(*g1)=0, \read(*g2)=0, arg={0:0}, arg={0:0}, g1={1:0}, g2={1:0}, g={1:0}, id={5:0}, mutex={2:0}] [L685] 1 (*g1)++ VAL [\read(*g1)=0, arg={0:0}, arg={0:0}, g1={1:0}, g2={1:0}, g={1:0}, mutex={2:0}] [L694] 0 (*g2)++ VAL [\read(*g1)=0, \read(*g2)=0, arg={0:0}, arg={0:0}, g1={1:0}, g2={1:0}, g={1:0}, id={5:0}, mutex={2:0}] [L685] 1 (*g1)++ VAL [\read(*g1)=0, arg={0:0}, arg={0:0}, g1={1:0}, g2={1:0}, g={1:0}, mutex={2:0}] [L694] 0 (*g2)++ VAL [(*g2)++=0, (*g2)++=25, \read(*g1)=0, \read(*g2)=0, arg={0:0}, arg={0:0}, g1={1:0}, g2={1:0}, g={1:0}, id={5:0}, mutex={2:0}] [L685] 1 (*g1)++ VAL [\read(*g1)=0, arg={0:0}, arg={0:0}, g1={1:0}, g2={1:0}, g={1:0}, mutex={2:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: g2 = &g [692] * C: g1 = g2 = &g [692] * C: (*g2)++ [694] and C: (*g1)++ [685] - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: 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: 685]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 685]: 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, 136 locations, 14 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: 4.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 396 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 226 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 108 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1062 IncrementalHoareTripleChecker+Invalid, 1170 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 108 mSolverCounterUnsat, 39 mSDtfsCounter, 1062 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1431occurred in iteration=5, InterpolantAutomatonStates: 26, 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, 0.8s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 364 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-08-29 01:59:13,939 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