./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-atomic/szymanski-b.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --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/pthread-atomic/szymanski-b.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 30be2d02c76302b32ef0f3489a863fd4dd7369a786303f9fa3ce3f9985de18bf --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 09:27:10,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:27:10,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:27:10,471 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:27:10,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:27:10,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:27:10,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:27:10,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:27:10,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:27:10,486 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:27:10,487 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:27:10,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:27:10,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:27:10,492 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:27:10,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:27:10,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:27:10,500 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:27:10,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:27:10,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:27:10,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:27:10,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:27:10,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:27:10,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:27:10,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:27:10,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:27:10,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:27:10,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:27:10,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:27:10,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:27:10,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:27:10,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:27:10,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:27:10,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:27:10,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:27:10,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:27:10,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:27:10,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:27:10,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:27:10,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:27:10,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:27:10,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:27:10,535 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 09:27:10,567 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:27:10,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:27:10,567 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:27:10,567 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:27:10,568 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:27:10,568 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:27:10,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:27:10,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:27:10,569 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:27:10,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:27:10,570 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:27:10,570 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:27:10,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 09:27:10,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:27:10,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:27:10,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:27:10,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:27:10,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:27:10,571 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:27:10,571 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:27:10,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:27:10,572 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:27:10,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:27:10,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:27:10,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:27:10,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:27:10,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:27:10,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:27:10,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:27:10,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:27:10,573 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 09:27:10,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 09:27:10,574 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:27:10,574 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:27:10,574 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:27:10,574 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:27:10,575 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:27:10,575 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30be2d02c76302b32ef0f3489a863fd4dd7369a786303f9fa3ce3f9985de18bf Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 09:27:10,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:27:10,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:27:10,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:27:10,906 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:27:10,906 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:27:10,908 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/szymanski-b.i [2023-08-29 09:27:12,085 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:27:12,331 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:27:12,331 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski-b.i [2023-08-29 09:27:12,351 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e455e22d/9c45ac6114604904bde34bde1bbff18f/FLAGa393c401f [2023-08-29 09:27:12,364 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e455e22d/9c45ac6114604904bde34bde1bbff18f [2023-08-29 09:27:12,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:27:12,368 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:27:12,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:27:12,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:27:12,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:27:12,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:27:12" (1/1) ... [2023-08-29 09:27:12,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35bd9c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:12, skipping insertion in model container [2023-08-29 09:27:12,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:27:12" (1/1) ... [2023-08-29 09:27:12,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:27:12,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:27:12,764 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski-b.i[30088,30101] [2023-08-29 09:27:12,770 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski-b.i[30375,30388] [2023-08-29 09:27:12,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:27:12,791 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:27:12,830 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski-b.i[30088,30101] [2023-08-29 09:27:12,838 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski-b.i[30375,30388] [2023-08-29 09:27:12,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:27:12,893 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:27:12,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:12 WrapperNode [2023-08-29 09:27:12,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:27:12,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:27:12,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:27:12,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:27:12,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:12" (1/1) ... [2023-08-29 09:27:12,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:12" (1/1) ... [2023-08-29 09:27:12,957 INFO L138 Inliner]: procedures = 167, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2023-08-29 09:27:12,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:27:12,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:27:12,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:27:12,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:27:12,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:12" (1/1) ... [2023-08-29 09:27:12,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:12" (1/1) ... [2023-08-29 09:27:12,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:12" (1/1) ... [2023-08-29 09:27:12,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:12" (1/1) ... [2023-08-29 09:27:12,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:12" (1/1) ... [2023-08-29 09:27:13,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:12" (1/1) ... [2023-08-29 09:27:13,008 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:12" (1/1) ... [2023-08-29 09:27:13,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:12" (1/1) ... [2023-08-29 09:27:13,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:27:13,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:27:13,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:27:13,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:27:13,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:12" (1/1) ... [2023-08-29 09:27:13,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:27:13,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:27:13,042 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 09:27:13,055 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 09:27:13,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 09:27:13,083 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-08-29 09:27:13,083 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-08-29 09:27:13,084 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-29 09:27:13,084 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-29 09:27:13,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 09:27:13,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:27:13,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:27:13,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:27:13,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 09:27:13,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:27:13,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:27:13,086 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 09:27:13,247 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:27:13,249 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:27:13,489 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:27:13,497 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:27:13,497 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-08-29 09:27:13,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:27:13 BoogieIcfgContainer [2023-08-29 09:27:13,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:27:13,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:27:13,502 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:27:13,504 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:27:13,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:27:12" (1/3) ... [2023-08-29 09:27:13,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3288ebe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:27:13, skipping insertion in model container [2023-08-29 09:27:13,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:12" (2/3) ... [2023-08-29 09:27:13,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3288ebe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:27:13, skipping insertion in model container [2023-08-29 09:27:13,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:27:13" (3/3) ... [2023-08-29 09:27:13,511 INFO L112 eAbstractionObserver]: Analyzing ICFG szymanski-b.i [2023-08-29 09:27:13,518 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:27:13,539 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:27:13,540 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2023-08-29 09:27:13,541 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:27:13,665 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 09:27:13,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 206 places, 221 transitions, 458 flow [2023-08-29 09:27:13,827 INFO L130 PetriNetUnfolder]: 22/219 cut-off events. [2023-08-29 09:27:13,828 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 09:27:13,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 228 conditions, 219 events. 22/219 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 504 event pairs, 0 based on Foata normal form. 0/169 useless extension candidates. Maximal degree in co-relation 187. Up to 3 conditions per place. [2023-08-29 09:27:13,837 INFO L82 GeneralOperation]: Start removeDead. Operand has 206 places, 221 transitions, 458 flow [2023-08-29 09:27:13,850 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 195 places, 210 transitions, 429 flow [2023-08-29 09:27:13,854 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 09:27:13,867 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 195 places, 210 transitions, 429 flow [2023-08-29 09:27:13,871 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 195 places, 210 transitions, 429 flow [2023-08-29 09:27:13,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 195 places, 210 transitions, 429 flow [2023-08-29 09:27:13,925 INFO L130 PetriNetUnfolder]: 22/210 cut-off events. [2023-08-29 09:27:13,931 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 09:27:13,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 218 conditions, 210 events. 22/210 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 504 event pairs, 0 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 187. Up to 3 conditions per place. [2023-08-29 09:27:13,946 INFO L119 LiptonReduction]: Number of co-enabled transitions 19656 [2023-08-29 09:27:16,139 INFO L134 LiptonReduction]: Checked pairs total: 104755 [2023-08-29 09:27:16,140 INFO L136 LiptonReduction]: Total number of compositions: 93 [2023-08-29 09:27:16,152 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 09:27:16,157 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;@36919803, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 09:27:16,158 INFO L358 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2023-08-29 09:27:16,161 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2023-08-29 09:27:16,161 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 09:27:16,161 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:27:16,162 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 09:27:16,162 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-08-29 09:27:16,166 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:27:16,167 INFO L85 PathProgramCache]: Analyzing trace with hash 791112998, now seen corresponding path program 1 times [2023-08-29 09:27:16,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:27:16,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787297380] [2023-08-29 09:27:16,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:27:16,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:27:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:27:16,356 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 09:27:16,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:27:16,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787297380] [2023-08-29 09:27:16,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787297380] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:27:16,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:27:16,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:27:16,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066934647] [2023-08-29 09:27:16,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:27:16,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:27:16,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:27:16,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:27:16,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:27:16,477 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 314 [2023-08-29 09:27:16,480 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 135 transitions, 279 flow. Second operand has 3 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 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 09:27:16,480 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:27:16,481 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 314 [2023-08-29 09:27:16,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:27:16,908 INFO L130 PetriNetUnfolder]: 1542/3751 cut-off events. [2023-08-29 09:27:16,908 INFO L131 PetriNetUnfolder]: For 45/45 co-relation queries the response was YES. [2023-08-29 09:27:16,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6066 conditions, 3751 events. 1542/3751 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 26532 event pairs, 1092 based on Foata normal form. 226/3313 useless extension candidates. Maximal degree in co-relation 5854. Up to 2156 conditions per place. [2023-08-29 09:27:16,936 INFO L137 encePairwiseOnDemand]: 293/314 looper letters, 63 selfloop transitions, 8 changer transitions 0/148 dead transitions. [2023-08-29 09:27:16,937 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 148 transitions, 450 flow [2023-08-29 09:27:16,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 09:27:16,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 09:27:16,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 660 transitions. [2023-08-29 09:27:16,951 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7006369426751592 [2023-08-29 09:27:16,952 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 660 transitions. [2023-08-29 09:27:16,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 660 transitions. [2023-08-29 09:27:16,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:27:16,956 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 660 transitions. [2023-08-29 09:27:16,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 220.0) internal successors, (660), 3 states have internal predecessors, (660), 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 09:27:16,966 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 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 09:27:16,967 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 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 09:27:16,968 INFO L175 Difference]: Start difference. First operand has 120 places, 135 transitions, 279 flow. Second operand 3 states and 660 transitions. [2023-08-29 09:27:16,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 148 transitions, 450 flow [2023-08-29 09:27:16,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 148 transitions, 444 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 09:27:16,977 INFO L231 Difference]: Finished difference. Result has 118 places, 130 transitions, 304 flow [2023-08-29 09:27:16,979 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=304, PETRI_PLACES=118, PETRI_TRANSITIONS=130} [2023-08-29 09:27:16,982 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, -2 predicate places. [2023-08-29 09:27:16,983 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 130 transitions, 304 flow [2023-08-29 09:27:16,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 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 09:27:16,984 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:27:16,984 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 09:27:16,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 09:27:16,984 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-08-29 09:27:16,985 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:27:16,985 INFO L85 PathProgramCache]: Analyzing trace with hash 50531409, now seen corresponding path program 1 times [2023-08-29 09:27:16,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:27:16,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274018052] [2023-08-29 09:27:16,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:27:16,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:27:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:27:17,050 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 09:27:17,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:27:17,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274018052] [2023-08-29 09:27:17,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274018052] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:27:17,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:27:17,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:27:17,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62754886] [2023-08-29 09:27:17,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:27:17,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:27:17,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:27:17,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:27:17,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:27:17,088 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 314 [2023-08-29 09:27:17,089 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 130 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 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 09:27:17,089 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:27:17,090 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 314 [2023-08-29 09:27:17,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:27:17,924 INFO L130 PetriNetUnfolder]: 3584/8693 cut-off events. [2023-08-29 09:27:17,924 INFO L131 PetriNetUnfolder]: For 386/456 co-relation queries the response was YES. [2023-08-29 09:27:17,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14672 conditions, 8693 events. 3584/8693 cut-off events. For 386/456 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 72175 event pairs, 837 based on Foata normal form. 0/7206 useless extension candidates. Maximal degree in co-relation 13191. Up to 2647 conditions per place. [2023-08-29 09:27:17,982 INFO L137 encePairwiseOnDemand]: 291/314 looper letters, 88 selfloop transitions, 17 changer transitions 0/176 dead transitions. [2023-08-29 09:27:17,983 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 176 transitions, 611 flow [2023-08-29 09:27:17,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 09:27:17,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 09:27:17,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 655 transitions. [2023-08-29 09:27:17,985 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6953290870488322 [2023-08-29 09:27:17,985 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 655 transitions. [2023-08-29 09:27:17,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 655 transitions. [2023-08-29 09:27:17,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:27:17,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 655 transitions. [2023-08-29 09:27:17,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 218.33333333333334) internal successors, (655), 3 states have internal predecessors, (655), 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 09:27:17,990 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 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 09:27:17,990 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 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 09:27:17,990 INFO L175 Difference]: Start difference. First operand has 118 places, 130 transitions, 304 flow. Second operand 3 states and 655 transitions. [2023-08-29 09:27:17,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 176 transitions, 611 flow [2023-08-29 09:27:17,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 176 transitions, 603 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 09:27:17,998 INFO L231 Difference]: Finished difference. Result has 121 places, 147 transitions, 444 flow [2023-08-29 09:27:17,999 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=444, PETRI_PLACES=121, PETRI_TRANSITIONS=147} [2023-08-29 09:27:17,999 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, 1 predicate places. [2023-08-29 09:27:17,999 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 147 transitions, 444 flow [2023-08-29 09:27:18,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 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 09:27:18,000 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:27:18,000 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 09:27:18,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 09:27:18,001 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-08-29 09:27:18,003 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:27:18,004 INFO L85 PathProgramCache]: Analyzing trace with hash 76278587, now seen corresponding path program 1 times [2023-08-29 09:27:18,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:27:18,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272607810] [2023-08-29 09:27:18,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:27:18,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:27:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:27:18,087 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 09:27:18,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:27:18,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272607810] [2023-08-29 09:27:18,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272607810] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:27:18,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:27:18,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:27:18,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973556747] [2023-08-29 09:27:18,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:27:18,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:27:18,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:27:18,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:27:18,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:27:18,133 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 314 [2023-08-29 09:27:18,134 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 147 transitions, 444 flow. Second operand has 3 states, 3 states have (on average 192.33333333333334) internal successors, (577), 3 states have internal predecessors, (577), 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 09:27:18,135 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:27:18,135 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 314 [2023-08-29 09:27:18,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:27:18,778 INFO L130 PetriNetUnfolder]: 3004/7567 cut-off events. [2023-08-29 09:27:18,779 INFO L131 PetriNetUnfolder]: For 1831/1947 co-relation queries the response was YES. [2023-08-29 09:27:18,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14322 conditions, 7567 events. 3004/7567 cut-off events. For 1831/1947 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 62304 event pairs, 1613 based on Foata normal form. 12/6207 useless extension candidates. Maximal degree in co-relation 12882. Up to 4057 conditions per place. [2023-08-29 09:27:18,840 INFO L137 encePairwiseOnDemand]: 305/314 looper letters, 75 selfloop transitions, 15 changer transitions 0/178 dead transitions. [2023-08-29 09:27:18,841 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 178 transitions, 727 flow [2023-08-29 09:27:18,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 09:27:18,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 09:27:18,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 642 transitions. [2023-08-29 09:27:18,843 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6815286624203821 [2023-08-29 09:27:18,843 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 642 transitions. [2023-08-29 09:27:18,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 642 transitions. [2023-08-29 09:27:18,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:27:18,844 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 642 transitions. [2023-08-29 09:27:18,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 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 09:27:18,848 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 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 09:27:18,848 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 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 09:27:18,849 INFO L175 Difference]: Start difference. First operand has 121 places, 147 transitions, 444 flow. Second operand 3 states and 642 transitions. [2023-08-29 09:27:18,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 178 transitions, 727 flow [2023-08-29 09:27:18,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 178 transitions, 681 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 09:27:18,859 INFO L231 Difference]: Finished difference. Result has 122 places, 160 transitions, 533 flow [2023-08-29 09:27:18,921 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=533, PETRI_PLACES=122, PETRI_TRANSITIONS=160} [2023-08-29 09:27:18,922 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, 2 predicate places. [2023-08-29 09:27:18,922 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 160 transitions, 533 flow [2023-08-29 09:27:18,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 192.33333333333334) internal successors, (577), 3 states have internal predecessors, (577), 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 09:27:18,922 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:27:18,922 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 09:27:18,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 09:27:18,923 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr2Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-08-29 09:27:18,923 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:27:18,923 INFO L85 PathProgramCache]: Analyzing trace with hash 289515522, now seen corresponding path program 1 times [2023-08-29 09:27:18,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:27:18,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452844876] [2023-08-29 09:27:18,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:27:18,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:27:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 09:27:18,976 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 09:27:18,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 09:27:18,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452844876] [2023-08-29 09:27:18,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452844876] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 09:27:18,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 09:27:18,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 09:27:18,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144447391] [2023-08-29 09:27:18,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 09:27:18,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 09:27:18,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 09:27:18,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 09:27:18,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 09:27:19,012 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 314 [2023-08-29 09:27:19,014 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 160 transitions, 533 flow. Second operand has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 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 09:27:19,014 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 09:27:19,014 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 314 [2023-08-29 09:27:19,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 09:27:20,152 INFO L130 PetriNetUnfolder]: 6738/15159 cut-off events. [2023-08-29 09:27:20,153 INFO L131 PetriNetUnfolder]: For 3692/3898 co-relation queries the response was YES. [2023-08-29 09:27:20,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30265 conditions, 15159 events. 6738/15159 cut-off events. For 3692/3898 co-relation queries the response was YES. Maximal size of possible extension queue 369. Compared 131622 event pairs, 1600 based on Foata normal form. 74/13157 useless extension candidates. Maximal degree in co-relation 27412. Up to 5313 conditions per place. [2023-08-29 09:27:20,280 INFO L137 encePairwiseOnDemand]: 291/314 looper letters, 109 selfloop transitions, 23 changer transitions 0/217 dead transitions. [2023-08-29 09:27:20,280 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 217 transitions, 972 flow [2023-08-29 09:27:20,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 09:27:20,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 09:27:20,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 654 transitions. [2023-08-29 09:27:20,283 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6942675159235668 [2023-08-29 09:27:20,283 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 654 transitions. [2023-08-29 09:27:20,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 654 transitions. [2023-08-29 09:27:20,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 09:27:20,284 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 654 transitions. [2023-08-29 09:27:20,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 218.0) internal successors, (654), 3 states have internal predecessors, (654), 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 09:27:20,287 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 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 09:27:20,288 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 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 09:27:20,288 INFO L175 Difference]: Start difference. First operand has 122 places, 160 transitions, 533 flow. Second operand 3 states and 654 transitions. [2023-08-29 09:27:20,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 217 transitions, 972 flow [2023-08-29 09:27:20,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 217 transitions, 957 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 09:27:20,299 INFO L231 Difference]: Finished difference. Result has 125 places, 183 transitions, 740 flow [2023-08-29 09:27:20,299 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=518, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=740, PETRI_PLACES=125, PETRI_TRANSITIONS=183} [2023-08-29 09:27:20,300 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, 5 predicate places. [2023-08-29 09:27:20,300 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 183 transitions, 740 flow [2023-08-29 09:27:20,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 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 09:27:20,301 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 09:27:20,301 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 09:27:20,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 09:27:20,302 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-08-29 09:27:20,302 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 09:27:20,302 INFO L85 PathProgramCache]: Analyzing trace with hash 794075912, now seen corresponding path program 1 times [2023-08-29 09:27:20,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 09:27:20,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477381873] [2023-08-29 09:27:20,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 09:27:20,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 09:27:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:27:20,323 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 09:27:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 09:27:20,354 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 09:27:20,355 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 09:27:20,356 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (55 of 56 remaining) [2023-08-29 09:27:20,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (54 of 56 remaining) [2023-08-29 09:27:20,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (53 of 56 remaining) [2023-08-29 09:27:20,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (52 of 56 remaining) [2023-08-29 09:27:20,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (51 of 56 remaining) [2023-08-29 09:27:20,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (50 of 56 remaining) [2023-08-29 09:27:20,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (49 of 56 remaining) [2023-08-29 09:27:20,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (48 of 56 remaining) [2023-08-29 09:27:20,363 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (47 of 56 remaining) [2023-08-29 09:27:20,363 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (46 of 56 remaining) [2023-08-29 09:27:20,363 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (45 of 56 remaining) [2023-08-29 09:27:20,363 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (44 of 56 remaining) [2023-08-29 09:27:20,364 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (43 of 56 remaining) [2023-08-29 09:27:20,364 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (42 of 56 remaining) [2023-08-29 09:27:20,364 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (41 of 56 remaining) [2023-08-29 09:27:20,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (40 of 56 remaining) [2023-08-29 09:27:20,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (39 of 56 remaining) [2023-08-29 09:27:20,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (38 of 56 remaining) [2023-08-29 09:27:20,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (37 of 56 remaining) [2023-08-29 09:27:20,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (36 of 56 remaining) [2023-08-29 09:27:20,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (35 of 56 remaining) [2023-08-29 09:27:20,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (34 of 56 remaining) [2023-08-29 09:27:20,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (33 of 56 remaining) [2023-08-29 09:27:20,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (32 of 56 remaining) [2023-08-29 09:27:20,369 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (31 of 56 remaining) [2023-08-29 09:27:20,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (30 of 56 remaining) [2023-08-29 09:27:20,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (29 of 56 remaining) [2023-08-29 09:27:20,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (28 of 56 remaining) [2023-08-29 09:27:20,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (27 of 56 remaining) [2023-08-29 09:27:20,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 56 remaining) [2023-08-29 09:27:20,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 56 remaining) [2023-08-29 09:27:20,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (24 of 56 remaining) [2023-08-29 09:27:20,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (23 of 56 remaining) [2023-08-29 09:27:20,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (22 of 56 remaining) [2023-08-29 09:27:20,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (21 of 56 remaining) [2023-08-29 09:27:20,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (20 of 56 remaining) [2023-08-29 09:27:20,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (19 of 56 remaining) [2023-08-29 09:27:20,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (18 of 56 remaining) [2023-08-29 09:27:20,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (17 of 56 remaining) [2023-08-29 09:27:20,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (16 of 56 remaining) [2023-08-29 09:27:20,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (15 of 56 remaining) [2023-08-29 09:27:20,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (14 of 56 remaining) [2023-08-29 09:27:20,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (13 of 56 remaining) [2023-08-29 09:27:20,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (12 of 56 remaining) [2023-08-29 09:27:20,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (11 of 56 remaining) [2023-08-29 09:27:20,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (10 of 56 remaining) [2023-08-29 09:27:20,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (9 of 56 remaining) [2023-08-29 09:27:20,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (8 of 56 remaining) [2023-08-29 09:27:20,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (7 of 56 remaining) [2023-08-29 09:27:20,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (6 of 56 remaining) [2023-08-29 09:27:20,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (5 of 56 remaining) [2023-08-29 09:27:20,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (4 of 56 remaining) [2023-08-29 09:27:20,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (3 of 56 remaining) [2023-08-29 09:27:20,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (2 of 56 remaining) [2023-08-29 09:27:20,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (1 of 56 remaining) [2023-08-29 09:27:20,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (0 of 56 remaining) [2023-08-29 09:27:20,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 09:27:20,384 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-08-29 09:27:20,393 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 09:27:20,393 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 09:27:20,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 09:27:20 BasicIcfg [2023-08-29 09:27:20,435 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 09:27:20,436 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 09:27:20,436 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 09:27:20,436 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 09:27:20,436 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:27:13" (3/4) ... [2023-08-29 09:27:20,439 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-08-29 09:27:20,439 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 09:27:20,443 INFO L158 Benchmark]: Toolchain (without parser) took 8071.65ms. Allocated memory was 67.1MB in the beginning and 1.0GB in the end (delta: 975.2MB). Free memory was 31.2MB in the beginning and 624.2MB in the end (delta: -593.0MB). Peak memory consumption was 382.5MB. Max. memory is 16.1GB. [2023-08-29 09:27:20,444 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 67.1MB. Free memory is still 44.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:27:20,444 INFO L158 Benchmark]: CACSL2BoogieTranslator took 525.51ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 31.0MB in the beginning and 60.1MB in the end (delta: -29.0MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2023-08-29 09:27:20,445 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.22ms. Allocated memory is still 81.8MB. Free memory was 60.1MB in the beginning and 58.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:27:20,445 INFO L158 Benchmark]: Boogie Preprocessor took 53.76ms. Allocated memory is still 81.8MB. Free memory was 58.0MB in the beginning and 55.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:27:20,445 INFO L158 Benchmark]: RCFGBuilder took 486.97ms. Allocated memory is still 81.8MB. Free memory was 55.9MB in the beginning and 36.7MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-29 09:27:20,446 INFO L158 Benchmark]: TraceAbstraction took 6933.66ms. Allocated memory was 81.8MB in the beginning and 1.0GB in the end (delta: 960.5MB). Free memory was 36.3MB in the beginning and 624.2MB in the end (delta: -587.9MB). Peak memory consumption was 372.7MB. Max. memory is 16.1GB. [2023-08-29 09:27:20,446 INFO L158 Benchmark]: Witness Printer took 3.43ms. Allocated memory is still 1.0GB. Free memory is still 624.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:27:20,447 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 67.1MB. Free memory is still 44.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 525.51ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 31.0MB in the beginning and 60.1MB in the end (delta: -29.0MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.22ms. Allocated memory is still 81.8MB. Free memory was 60.1MB in the beginning and 58.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.76ms. Allocated memory is still 81.8MB. Free memory was 58.0MB in the beginning and 55.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 486.97ms. Allocated memory is still 81.8MB. Free memory was 55.9MB in the beginning and 36.7MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 6933.66ms. Allocated memory was 81.8MB in the beginning and 1.0GB in the end (delta: 960.5MB). Free memory was 36.3MB in the beginning and 624.2MB in the end (delta: -587.9MB). Peak memory consumption was 372.7MB. Max. memory is 16.1GB. * Witness Printer took 3.43ms. Allocated memory is still 1.0GB. Free memory is still 624.2MB. 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: 2.3s, 195 PlacesBefore, 120 PlacesAfterwards, 210 TransitionsBefore, 135 TransitionsAfterwards, 19656 CoEnabledTransitionPairs, 6 FixpointIterations, 16 TrivialSequentialCompositions, 67 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 0 ChoiceCompositions, 93 TotalNumberOfCompositions, 104755 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 27471, independent: 26169, independent conditional: 0, independent unconditional: 26169, dependent: 1302, dependent conditional: 0, dependent unconditional: 1302, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8792, independent: 8572, independent conditional: 0, independent unconditional: 8572, dependent: 220, dependent conditional: 0, dependent unconditional: 220, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27471, independent: 17597, independent conditional: 0, independent unconditional: 17597, dependent: 1082, dependent conditional: 0, dependent unconditional: 1082, unknown: 8792, unknown conditional: 0, unknown unconditional: 8792] , Statistics on independence cache: Total cache size (in pairs): 2126, Positive cache size: 1975, Positive conditional cache size: 0, Positive unconditional cache size: 1975, Negative cache size: 151, Negative conditional cache size: 0, Negative unconditional cache size: 151, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 688]: Data race detected Data race detected The following path leads to a data race: [L684] 0 int flag1 = 0, flag2 = 0; [L685] 0 int x; [L719] 0 pthread_t t1, t2; [L720] FCALL, FORK 0 pthread_create(&t1, 0, thr1, 0) VAL [_={0:0}, flag1=0, flag2=0, pthread_create(&t1, 0, thr1, 0)=-1, t1={3:0}, t2={5:0}, x=0] [L687] 1 flag1 = 1 VAL [_={0:0}, _={0:0}, flag1=1, flag2=0, x=0] [L721] FCALL, FORK 0 pthread_create(&t2, 0, thr2, 0) VAL [_={0:0}, _={0:0}, _={0:0}, flag1 = 1=49, flag1=1, flag2=0, pthread_create(&t2, 0, thr2, 0)=0, t1={3:0}, t2={5:0}, x=0] [L687] 1 flag1 = 1 VAL [_={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, x=0] [L688] 1 flag2 >= 3 VAL [_={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, x=0] [L703] 2 flag2 = 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2 = 1=50, flag2=1, x=0] [L688] 1 flag2 >= 3 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2 = 1=50, flag2=1, x=0] Now there is a data race on ~flag2~0 between C: flag2 = 1 [703] and C: flag2 >= 3 [688] - UnprovableResult [Line: 703]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 704]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 705]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 707]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 710]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 708]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 711]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 712]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 713]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 715]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: 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: 692]: 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: 696]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 722]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 723]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 721]: 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: 720]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 350 locations, 56 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: 6.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 368 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 164 mSDsluCounter, 79 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 610 IncrementalHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 79 mSDtfsCounter, 610 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=740occurred in iteration=4, InterpolantAutomatonStates: 12, 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, 0.2s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 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 09:27:20,488 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