./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/04-mutex_09-ptrmunge_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_09-ptrmunge_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 970aeb05466fab8a4f1842e5a4212ccc8109141703ea02aad9a394d03dd3473a --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 01:57:53,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 01:57:53,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 01:57:53,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 01:57:53,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 01:57:53,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 01:57:53,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 01:57:53,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 01:57:53,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 01:57:53,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 01:57:53,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 01:57:53,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 01:57:53,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 01:57:53,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 01:57:53,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 01:57:53,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 01:57:53,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 01:57:53,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 01:57:53,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 01:57:53,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 01:57:53,468 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 01:57:53,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 01:57:53,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 01:57:53,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 01:57:53,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 01:57:53,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 01:57:53,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 01:57:53,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 01:57:53,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 01:57:53,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 01:57:53,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 01:57:53,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 01:57:53,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 01:57:53,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 01:57:53,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 01:57:53,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 01:57:53,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 01:57:53,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 01:57:53,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 01:57:53,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 01:57:53,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 01:57:53,492 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 01:57:53,519 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 01:57:53,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 01:57:53,521 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 01:57:53,521 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 01:57:53,522 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 01:57:53,522 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 01:57:53,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 01:57:53,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 01:57:53,523 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 01:57:53,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 01:57:53,524 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 01:57:53,524 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 01:57:53,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 01:57:53,525 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 01:57:53,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 01:57:53,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 01:57:53,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 01:57:53,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 01:57:53,525 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 01:57:53,526 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 01:57:53,526 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 01:57:53,526 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 01:57:53,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 01:57:53,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 01:57:53,527 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 01:57:53,527 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 01:57:53,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:57:53,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 01:57:53,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 01:57:53,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 01:57:53,528 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 01:57:53,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 01:57:53,528 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 01:57:53,528 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 01:57:53,529 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 01:57:53,529 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 01:57:53,529 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 01:57:53,529 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 970aeb05466fab8a4f1842e5a4212ccc8109141703ea02aad9a394d03dd3473a Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 01:57:53,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 01:57:53,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 01:57:53,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 01:57:53,869 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 01:57:53,869 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 01:57:53,870 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_09-ptrmunge_rc.i [2023-08-29 01:57:55,096 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 01:57:55,374 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 01:57:55,377 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_09-ptrmunge_rc.i [2023-08-29 01:57:55,390 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08bbab086/1b4e5f6e97814917956a844a123d0f7f/FLAGdc6b1b248 [2023-08-29 01:57:55,402 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08bbab086/1b4e5f6e97814917956a844a123d0f7f [2023-08-29 01:57:55,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 01:57:55,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 01:57:55,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 01:57:55,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 01:57:55,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 01:57:55,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:57:55" (1/1) ... [2023-08-29 01:57:55,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e134eef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:55, skipping insertion in model container [2023-08-29 01:57:55,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:57:55" (1/1) ... [2023-08-29 01:57:55,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 01:57:55,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 01:57:55,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:57:55,840 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 01:57:55,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:57:55,981 INFO L208 MainTranslator]: Completed translation [2023-08-29 01:57:55,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:55 WrapperNode [2023-08-29 01:57:55,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 01:57:55,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 01:57:55,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 01:57:55,984 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 01:57:55,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:55" (1/1) ... [2023-08-29 01:57:56,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:55" (1/1) ... [2023-08-29 01:57:56,055 INFO L138 Inliner]: procedures = 263, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2023-08-29 01:57:56,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 01:57:56,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 01:57:56,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 01:57:56,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 01:57:56,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:55" (1/1) ... [2023-08-29 01:57:56,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:55" (1/1) ... [2023-08-29 01:57:56,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:55" (1/1) ... [2023-08-29 01:57:56,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:55" (1/1) ... [2023-08-29 01:57:56,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:55" (1/1) ... [2023-08-29 01:57:56,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:55" (1/1) ... [2023-08-29 01:57:56,100 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:55" (1/1) ... [2023-08-29 01:57:56,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:55" (1/1) ... [2023-08-29 01:57:56,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 01:57:56,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 01:57:56,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 01:57:56,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 01:57:56,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:55" (1/1) ... [2023-08-29 01:57:56,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:57:56,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:57:56,142 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 01:57:56,163 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 01:57:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 01:57:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 01:57:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 01:57:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 01:57:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 01:57:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 01:57:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 01:57:56,182 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 01:57:56,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 01:57:56,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 01:57:56,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 01:57:56,184 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 01:57:56,364 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 01:57:56,365 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 01:57:56,580 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 01:57:56,609 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 01:57:56,609 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 01:57:56,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:57:56 BoogieIcfgContainer [2023-08-29 01:57:56,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 01:57:56,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 01:57:56,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 01:57:56,618 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 01:57:56,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 01:57:55" (1/3) ... [2023-08-29 01:57:56,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3619ff81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:57:56, skipping insertion in model container [2023-08-29 01:57:56,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:55" (2/3) ... [2023-08-29 01:57:56,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3619ff81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:57:56, skipping insertion in model container [2023-08-29 01:57:56,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:57:56" (3/3) ... [2023-08-29 01:57:56,621 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_09-ptrmunge_rc.i [2023-08-29 01:57:56,628 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 01:57:56,636 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 01:57:56,636 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-08-29 01:57:56,636 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 01:57:56,733 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-29 01:57:56,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 101 places, 97 transitions, 202 flow [2023-08-29 01:57:56,826 INFO L130 PetriNetUnfolder]: 0/96 cut-off events. [2023-08-29 01:57:56,826 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 01:57:56,829 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 96 events. 0/96 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-08-29 01:57:56,829 INFO L82 GeneralOperation]: Start removeDead. Operand has 101 places, 97 transitions, 202 flow [2023-08-29 01:57:56,833 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 93 places, 89 transitions, 181 flow [2023-08-29 01:57:56,837 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 01:57:56,851 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 89 transitions, 181 flow [2023-08-29 01:57:56,853 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 89 transitions, 181 flow [2023-08-29 01:57:56,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 89 transitions, 181 flow [2023-08-29 01:57:56,873 INFO L130 PetriNetUnfolder]: 0/89 cut-off events. [2023-08-29 01:57:56,874 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:57:56,874 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 89 events. 0/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-29 01:57:56,876 INFO L119 LiptonReduction]: Number of co-enabled transitions 1836 [2023-08-29 01:57:59,090 INFO L134 LiptonReduction]: Checked pairs total: 10847 [2023-08-29 01:57:59,091 INFO L136 LiptonReduction]: Total number of compositions: 48 [2023-08-29 01:57:59,103 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 01:57:59,108 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;@14f2fa0f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 01:57:59,108 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-08-29 01:57:59,113 INFO L130 PetriNetUnfolder]: 0/14 cut-off events. [2023-08-29 01:57:59,113 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:57:59,114 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:57:59,114 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:57:59,115 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-29 01:57:59,119 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:57:59,119 INFO L85 PathProgramCache]: Analyzing trace with hash 31893175, now seen corresponding path program 1 times [2023-08-29 01:57:59,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:57:59,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695964664] [2023-08-29 01:57:59,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:57:59,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:57:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:57:59,770 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 01:57:59,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:57:59,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695964664] [2023-08-29 01:57:59,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695964664] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:57:59,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:57:59,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:57:59,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244201415] [2023-08-29 01:57:59,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:57:59,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:57:59,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:57:59,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:57:59,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:57:59,975 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 145 [2023-08-29 01:57:59,978 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 41 transitions, 85 flow. Second operand has 6 states, 6 states have (on average 79.5) internal successors, (477), 6 states have internal predecessors, (477), 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 01:57:59,978 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:57:59,978 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 145 [2023-08-29 01:57:59,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:58:00,121 INFO L130 PetriNetUnfolder]: 170/471 cut-off events. [2023-08-29 01:58:00,121 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:58:00,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 849 conditions, 471 events. 170/471 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2138 event pairs, 83 based on Foata normal form. 0/451 useless extension candidates. Maximal degree in co-relation 840. Up to 278 conditions per place. [2023-08-29 01:58:00,128 INFO L137 encePairwiseOnDemand]: 134/145 looper letters, 47 selfloop transitions, 22 changer transitions 0/83 dead transitions. [2023-08-29 01:58:00,128 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 83 transitions, 307 flow [2023-08-29 01:58:00,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:58:00,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:58:00,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 538 transitions. [2023-08-29 01:58:00,142 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6183908045977011 [2023-08-29 01:58:00,143 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 538 transitions. [2023-08-29 01:58:00,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 538 transitions. [2023-08-29 01:58:00,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:58:00,147 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 538 transitions. [2023-08-29 01:58:00,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 89.66666666666667) internal successors, (538), 6 states have internal predecessors, (538), 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 01:58:00,157 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 145.0) internal successors, (1015), 7 states have internal predecessors, (1015), 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 01:58:00,157 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 145.0) internal successors, (1015), 7 states have internal predecessors, (1015), 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 01:58:00,159 INFO L175 Difference]: Start difference. First operand has 45 places, 41 transitions, 85 flow. Second operand 6 states and 538 transitions. [2023-08-29 01:58:00,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 83 transitions, 307 flow [2023-08-29 01:58:00,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 83 transitions, 306 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:58:00,164 INFO L231 Difference]: Finished difference. Result has 54 places, 62 transitions, 234 flow [2023-08-29 01:58:00,166 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=234, PETRI_PLACES=54, PETRI_TRANSITIONS=62} [2023-08-29 01:58:00,168 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 9 predicate places. [2023-08-29 01:58:00,169 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 62 transitions, 234 flow [2023-08-29 01:58:00,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.5) internal successors, (477), 6 states have internal predecessors, (477), 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 01:58:00,169 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:58:00,169 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:58:00,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 01:58:00,170 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-29 01:58:00,170 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:58:00,171 INFO L85 PathProgramCache]: Analyzing trace with hash -975427686, now seen corresponding path program 1 times [2023-08-29 01:58:00,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:58:00,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864057668] [2023-08-29 01:58:00,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:58:00,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:58:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:58:00,411 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 01:58:00,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:58:00,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864057668] [2023-08-29 01:58:00,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864057668] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:58:00,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:58:00,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:58:00,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930129061] [2023-08-29 01:58:00,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:58:00,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:58:00,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:58:00,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:58:00,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:58:00,573 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 145 [2023-08-29 01:58:00,574 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 62 transitions, 234 flow. Second operand has 6 states, 6 states have (on average 79.5) internal successors, (477), 6 states have internal predecessors, (477), 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 01:58:00,574 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:58:00,574 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 145 [2023-08-29 01:58:00,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:58:00,755 INFO L130 PetriNetUnfolder]: 224/624 cut-off events. [2023-08-29 01:58:00,756 INFO L131 PetriNetUnfolder]: For 116/119 co-relation queries the response was YES. [2023-08-29 01:58:00,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1319 conditions, 624 events. 224/624 cut-off events. For 116/119 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3215 event pairs, 85 based on Foata normal form. 0/598 useless extension candidates. Maximal degree in co-relation 1306. Up to 351 conditions per place. [2023-08-29 01:58:00,761 INFO L137 encePairwiseOnDemand]: 134/145 looper letters, 64 selfloop transitions, 26 changer transitions 0/108 dead transitions. [2023-08-29 01:58:00,761 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 108 transitions, 524 flow [2023-08-29 01:58:00,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:58:00,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:58:00,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 542 transitions. [2023-08-29 01:58:00,763 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6229885057471264 [2023-08-29 01:58:00,764 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 542 transitions. [2023-08-29 01:58:00,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 542 transitions. [2023-08-29 01:58:00,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:58:00,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 542 transitions. [2023-08-29 01:58:00,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 90.33333333333333) internal successors, (542), 6 states have internal predecessors, (542), 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 01:58:00,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 145.0) internal successors, (1015), 7 states have internal predecessors, (1015), 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 01:58:00,769 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 145.0) internal successors, (1015), 7 states have internal predecessors, (1015), 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 01:58:00,769 INFO L175 Difference]: Start difference. First operand has 54 places, 62 transitions, 234 flow. Second operand 6 states and 542 transitions. [2023-08-29 01:58:00,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 108 transitions, 524 flow [2023-08-29 01:58:00,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 108 transitions, 524 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:58:00,773 INFO L231 Difference]: Finished difference. Result has 64 places, 83 transitions, 418 flow [2023-08-29 01:58:00,774 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=418, PETRI_PLACES=64, PETRI_TRANSITIONS=83} [2023-08-29 01:58:00,774 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 19 predicate places. [2023-08-29 01:58:00,775 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 83 transitions, 418 flow [2023-08-29 01:58:00,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.5) internal successors, (477), 6 states have internal predecessors, (477), 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 01:58:00,775 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:58:00,775 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:58:00,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 01:58:00,776 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-29 01:58:00,776 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:58:00,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1442276175, now seen corresponding path program 1 times [2023-08-29 01:58:00,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:58:00,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312946864] [2023-08-29 01:58:00,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:58:00,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:58:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:58:01,024 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 01:58:01,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:58:01,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312946864] [2023-08-29 01:58:01,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312946864] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:58:01,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:58:01,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:58:01,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658917419] [2023-08-29 01:58:01,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:58:01,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:58:01,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:58:01,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:58:01,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:58:01,107 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 145 [2023-08-29 01:58:01,108 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 83 transitions, 418 flow. Second operand has 6 states, 6 states have (on average 70.5) internal successors, (423), 6 states have internal predecessors, (423), 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 01:58:01,108 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:58:01,108 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 145 [2023-08-29 01:58:01,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:58:01,316 INFO L130 PetriNetUnfolder]: 416/961 cut-off events. [2023-08-29 01:58:01,317 INFO L131 PetriNetUnfolder]: For 626/629 co-relation queries the response was YES. [2023-08-29 01:58:01,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2678 conditions, 961 events. 416/961 cut-off events. For 626/629 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 4867 event pairs, 176 based on Foata normal form. 0/921 useless extension candidates. Maximal degree in co-relation 2660. Up to 740 conditions per place. [2023-08-29 01:58:01,324 INFO L137 encePairwiseOnDemand]: 130/145 looper letters, 90 selfloop transitions, 53 changer transitions 0/150 dead transitions. [2023-08-29 01:58:01,324 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 150 transitions, 972 flow [2023-08-29 01:58:01,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:58:01,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:58:01,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 501 transitions. [2023-08-29 01:58:01,327 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5758620689655173 [2023-08-29 01:58:01,327 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 501 transitions. [2023-08-29 01:58:01,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 501 transitions. [2023-08-29 01:58:01,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:58:01,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 501 transitions. [2023-08-29 01:58:01,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 83.5) internal successors, (501), 6 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:01,331 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 145.0) internal successors, (1015), 7 states have internal predecessors, (1015), 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 01:58:01,331 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 145.0) internal successors, (1015), 7 states have internal predecessors, (1015), 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 01:58:01,331 INFO L175 Difference]: Start difference. First operand has 64 places, 83 transitions, 418 flow. Second operand 6 states and 501 transitions. [2023-08-29 01:58:01,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 150 transitions, 972 flow [2023-08-29 01:58:01,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 150 transitions, 972 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:58:01,338 INFO L231 Difference]: Finished difference. Result has 74 places, 130 transitions, 900 flow [2023-08-29 01:58:01,339 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=900, PETRI_PLACES=74, PETRI_TRANSITIONS=130} [2023-08-29 01:58:01,339 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 29 predicate places. [2023-08-29 01:58:01,340 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 130 transitions, 900 flow [2023-08-29 01:58:01,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 70.5) internal successors, (423), 6 states have internal predecessors, (423), 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 01:58:01,340 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:58:01,340 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:58:01,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 01:58:01,341 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-29 01:58:01,341 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:58:01,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1012354218, now seen corresponding path program 1 times [2023-08-29 01:58:01,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:58:01,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117877069] [2023-08-29 01:58:01,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:58:01,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:58:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:58:01,532 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 01:58:01,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:58:01,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117877069] [2023-08-29 01:58:01,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117877069] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:58:01,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:58:01,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:58:01,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340027974] [2023-08-29 01:58:01,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:58:01,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:58:01,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:58:01,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:58:01,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:58:01,646 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 145 [2023-08-29 01:58:01,646 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 130 transitions, 900 flow. Second operand has 6 states, 6 states have (on average 70.5) internal successors, (423), 6 states have internal predecessors, (423), 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 01:58:01,646 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:58:01,646 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 145 [2023-08-29 01:58:01,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:58:01,946 INFO L130 PetriNetUnfolder]: 527/1189 cut-off events. [2023-08-29 01:58:01,946 INFO L131 PetriNetUnfolder]: For 1473/1490 co-relation queries the response was YES. [2023-08-29 01:58:01,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4010 conditions, 1189 events. 527/1189 cut-off events. For 1473/1490 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 6317 event pairs, 151 based on Foata normal form. 0/1138 useless extension candidates. Maximal degree in co-relation 3987. Up to 901 conditions per place. [2023-08-29 01:58:01,958 INFO L137 encePairwiseOnDemand]: 126/145 looper letters, 138 selfloop transitions, 83 changer transitions 0/228 dead transitions. [2023-08-29 01:58:01,960 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 228 transitions, 1804 flow [2023-08-29 01:58:01,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:58:01,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:58:01,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 521 transitions. [2023-08-29 01:58:01,963 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5988505747126437 [2023-08-29 01:58:01,963 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 521 transitions. [2023-08-29 01:58:01,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 521 transitions. [2023-08-29 01:58:01,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:58:01,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 521 transitions. [2023-08-29 01:58:01,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 86.83333333333333) internal successors, (521), 6 states have internal predecessors, (521), 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 01:58:01,969 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 145.0) internal successors, (1015), 7 states have internal predecessors, (1015), 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 01:58:01,969 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 145.0) internal successors, (1015), 7 states have internal predecessors, (1015), 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 01:58:01,970 INFO L175 Difference]: Start difference. First operand has 74 places, 130 transitions, 900 flow. Second operand 6 states and 521 transitions. [2023-08-29 01:58:01,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 228 transitions, 1804 flow [2023-08-29 01:58:01,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 228 transitions, 1740 flow, removed 32 selfloop flow, removed 0 redundant places. [2023-08-29 01:58:01,985 INFO L231 Difference]: Finished difference. Result has 84 places, 199 transitions, 1592 flow [2023-08-29 01:58:01,985 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=842, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1592, PETRI_PLACES=84, PETRI_TRANSITIONS=199} [2023-08-29 01:58:01,986 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 39 predicate places. [2023-08-29 01:58:01,987 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 199 transitions, 1592 flow [2023-08-29 01:58:01,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 70.5) internal successors, (423), 6 states have internal predecessors, (423), 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 01:58:01,987 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:58:01,987 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:58:01,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 01:58:01,988 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-29 01:58:01,988 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:58:01,988 INFO L85 PathProgramCache]: Analyzing trace with hash 2016260788, now seen corresponding path program 1 times [2023-08-29 01:58:01,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:58:01,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126947978] [2023-08-29 01:58:01,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:58:01,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:58:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 01:58:02,021 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 01:58:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 01:58:02,060 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 01:58:02,061 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 01:58:02,062 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2023-08-29 01:58:02,063 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2023-08-29 01:58:02,064 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2023-08-29 01:58:02,064 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2023-08-29 01:58:02,064 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2023-08-29 01:58:02,064 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2023-08-29 01:58:02,065 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2023-08-29 01:58:02,065 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2023-08-29 01:58:02,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 01:58:02,065 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-08-29 01:58:02,070 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 01:58:02,070 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 01:58:02,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 01:58:02 BasicIcfg [2023-08-29 01:58:02,131 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 01:58:02,132 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 01:58:02,132 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 01:58:02,132 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 01:58:02,133 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:57:56" (3/4) ... [2023-08-29 01:58:02,135 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-08-29 01:58:02,136 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 01:58:02,136 INFO L158 Benchmark]: Toolchain (without parser) took 6731.72ms. Allocated memory was 83.9MB in the beginning and 134.2MB in the end (delta: 50.3MB). Free memory was 63.0MB in the beginning and 65.9MB in the end (delta: -2.9MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2023-08-29 01:58:02,137 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 01:58:02,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 576.56ms. Allocated memory is still 83.9MB. Free memory was 62.7MB in the beginning and 55.4MB in the end (delta: 7.3MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2023-08-29 01:58:02,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.28ms. Allocated memory is still 83.9MB. Free memory was 55.4MB in the beginning and 52.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 01:58:02,144 INFO L158 Benchmark]: Boogie Preprocessor took 52.99ms. Allocated memory is still 83.9MB. Free memory was 52.9MB in the beginning and 50.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 01:58:02,145 INFO L158 Benchmark]: RCFGBuilder took 500.81ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 61.7MB in the end (delta: -10.9MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2023-08-29 01:58:02,145 INFO L158 Benchmark]: TraceAbstraction took 5516.44ms. Allocated memory was 83.9MB in the beginning and 134.2MB in the end (delta: 50.3MB). Free memory was 61.2MB in the beginning and 65.9MB in the end (delta: -4.7MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2023-08-29 01:58:02,145 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 134.2MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 01:58:02,147 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 576.56ms. Allocated memory is still 83.9MB. Free memory was 62.7MB in the beginning and 55.4MB in the end (delta: 7.3MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.28ms. Allocated memory is still 83.9MB. Free memory was 55.4MB in the beginning and 52.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.99ms. Allocated memory is still 83.9MB. Free memory was 52.9MB in the beginning and 50.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 500.81ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 61.7MB in the end (delta: -10.9MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * TraceAbstraction took 5516.44ms. Allocated memory was 83.9MB in the beginning and 134.2MB in the end (delta: 50.3MB). Free memory was 61.2MB in the beginning and 65.9MB in the end (delta: -4.7MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 134.2MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.2s, 93 PlacesBefore, 45 PlacesAfterwards, 89 TransitionsBefore, 41 TransitionsAfterwards, 1836 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 48 TotalNumberOfCompositions, 10847 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2575, independent: 2080, independent conditional: 0, independent unconditional: 2080, dependent: 495, dependent conditional: 0, dependent unconditional: 495, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 752, independent: 709, independent conditional: 0, independent unconditional: 709, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2575, independent: 1371, independent conditional: 0, independent unconditional: 1371, dependent: 452, dependent conditional: 0, dependent unconditional: 452, unknown: 752, unknown conditional: 0, unknown unconditional: 752] , Statistics on independence cache: Total cache size (in pairs): 157, Positive cache size: 121, Positive conditional cache size: 0, Positive unconditional cache size: 121, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 923]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal1; [L918] 0 int myglobal2; [L919] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L920] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L931] 0 pthread_t id; [L932] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L933] CALL 0 munge(&mutex2,&myglobal1) [L927] CALL 1 munge(&mutex1, &myglobal1) [L923] EXPR 0 \read(*v) VAL [\read(*v)=0, m={2:0}, m={2:0}, m={3:0}, m={3:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, pthread_mutex_lock(m)=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] [L923] 1 \read(*v) VAL [\read(*v)=0, \read(*v)=0, m={2:0}, m={2:0}, m={3:0}, m={3:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] [L923] EXPR 0 *v+1 VAL [\read(*v)=0, \read(*v)=0, m={2:0}, m={2:0}, m={3:0}, m={3:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] [L923] 0 *v=*v+1 VAL [\read(*v)=0, \read(*v)=0, m={2:0}, m={2:0}, m={3:0}, m={3:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] [L923] 1 *v+1 VAL [\read(*v)=0, \read(*v)=0, m={2:0}, m={2:0}, m={3:0}, m={3:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] [L923] 0 *v=*v+1 VAL [*v=*v+1=25, \read(*v)=0, \read(*v)=0, m={2:0}, m={2:0}, m={3:0}, m={3:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] [L923] 1 *v+1 VAL [*v=*v+1=25, \read(*v)=0, \read(*v)=0, m={2:0}, m={2:0}, m={3:0}, m={3:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] Now there is a data race (on the heap) between C: *v=*v+1 [923] and C: *v+1 [923] - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 934]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 127 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 406 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 262 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 111 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1067 IncrementalHoareTripleChecker+Invalid, 1178 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 111 mSolverCounterUnsat, 1 mSDtfsCounter, 1067 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1592occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 368 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-08-29 01:58:02,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE