./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.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/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.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 a900e47bcb0579a731ecfed3c71b01054e5f0917c7f65049265d17494d326436 --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 18:11:16,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 18:11:16,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 18:11:16,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 18:11:16,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 18:11:16,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 18:11:16,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 18:11:16,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 18:11:16,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 18:11:16,306 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 18:11:16,307 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 18:11:16,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 18:11:16,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 18:11:16,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 18:11:16,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 18:11:16,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 18:11:16,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 18:11:16,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 18:11:16,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 18:11:16,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 18:11:16,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 18:11:16,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 18:11:16,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 18:11:16,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 18:11:16,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 18:11:16,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 18:11:16,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 18:11:16,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 18:11:16,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 18:11:16,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 18:11:16,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 18:11:16,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 18:11:16,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 18:11:16,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 18:11:16,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 18:11:16,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 18:11:16,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 18:11:16,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 18:11:16,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 18:11:16,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 18:11:16,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 18:11:16,362 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 18:11:16,395 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 18:11:16,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 18:11:16,396 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 18:11:16,396 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 18:11:16,397 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 18:11:16,397 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 18:11:16,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 18:11:16,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 18:11:16,398 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 18:11:16,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 18:11:16,399 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 18:11:16,399 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 18:11:16,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 18:11:16,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 18:11:16,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 18:11:16,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 18:11:16,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 18:11:16,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 18:11:16,400 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 18:11:16,401 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 18:11:16,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 18:11:16,401 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 18:11:16,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 18:11:16,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 18:11:16,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 18:11:16,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 18:11:16,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:11:16,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 18:11:16,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 18:11:16,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 18:11:16,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 18:11:16,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 18:11:16,403 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 18:11:16,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 18:11:16,404 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 18:11:16,404 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 18:11:16,404 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 18:11:16,404 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a900e47bcb0579a731ecfed3c71b01054e5f0917c7f65049265d17494d326436 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 18:11:16,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 18:11:16,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 18:11:16,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 18:11:16,708 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 18:11:16,708 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 18:11:16,709 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2023-08-29 18:11:17,809 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 18:11:18,079 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 18:11:18,080 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2023-08-29 18:11:18,102 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f63247112/d987c37fd0164d2fbd6a19547f81ee16/FLAG120e79be9 [2023-08-29 18:11:18,124 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f63247112/d987c37fd0164d2fbd6a19547f81ee16 [2023-08-29 18:11:18,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 18:11:18,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 18:11:18,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 18:11:18,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 18:11:18,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 18:11:18,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:11:18" (1/1) ... [2023-08-29 18:11:18,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49ea9b11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:11:18, skipping insertion in model container [2023-08-29 18:11:18,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:11:18" (1/1) ... [2023-08-29 18:11:18,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 18:11:18,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 18:11:18,344 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i[1103,1116] [2023-08-29 18:11:18,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:11:18,525 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 18:11:18,537 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i[1103,1116] [2023-08-29 18:11:18,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:11:18,621 INFO L208 MainTranslator]: Completed translation [2023-08-29 18:11:18,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:11:18 WrapperNode [2023-08-29 18:11:18,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 18:11:18,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 18:11:18,624 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 18:11:18,624 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 18:11:18,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:11:18" (1/1) ... [2023-08-29 18:11:18,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:11:18" (1/1) ... [2023-08-29 18:11:18,686 INFO L138 Inliner]: procedures = 162, calls = 40, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 88 [2023-08-29 18:11:18,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 18:11:18,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 18:11:18,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 18:11:18,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 18:11:18,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:11:18" (1/1) ... [2023-08-29 18:11:18,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:11:18" (1/1) ... [2023-08-29 18:11:18,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:11:18" (1/1) ... [2023-08-29 18:11:18,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:11:18" (1/1) ... [2023-08-29 18:11:18,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:11:18" (1/1) ... [2023-08-29 18:11:18,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:11:18" (1/1) ... [2023-08-29 18:11:18,727 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:11:18" (1/1) ... [2023-08-29 18:11:18,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:11:18" (1/1) ... [2023-08-29 18:11:18,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 18:11:18,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 18:11:18,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 18:11:18,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 18:11:18,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:11:18" (1/1) ... [2023-08-29 18:11:18,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:11:18,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 18:11:18,782 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 18:11:18,793 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 18:11:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 18:11:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-08-29 18:11:18,817 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-08-29 18:11:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 18:11:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 18:11:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 18:11:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 18:11:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 18:11:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 18:11:18,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 18:11:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 18:11:18,819 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 18:11:18,941 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 18:11:18,943 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 18:11:19,222 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 18:11:19,229 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 18:11:19,229 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 18:11:19,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:11:19 BoogieIcfgContainer [2023-08-29 18:11:19,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 18:11:19,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 18:11:19,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 18:11:19,236 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 18:11:19,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 06:11:18" (1/3) ... [2023-08-29 18:11:19,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@342cb1c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:11:19, skipping insertion in model container [2023-08-29 18:11:19,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:11:18" (2/3) ... [2023-08-29 18:11:19,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@342cb1c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:11:19, skipping insertion in model container [2023-08-29 18:11:19,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:11:19" (3/3) ... [2023-08-29 18:11:19,246 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_29-multiple-protecting2-vesal_true.i [2023-08-29 18:11:19,254 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 18:11:19,263 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 18:11:19,263 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-08-29 18:11:19,263 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 18:11:19,364 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-29 18:11:19,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 130 places, 129 transitions, 266 flow [2023-08-29 18:11:19,478 INFO L130 PetriNetUnfolder]: 3/128 cut-off events. [2023-08-29 18:11:19,478 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 18:11:19,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 128 events. 3/128 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 109 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 85. Up to 2 conditions per place. [2023-08-29 18:11:19,483 INFO L82 GeneralOperation]: Start removeDead. Operand has 130 places, 129 transitions, 266 flow [2023-08-29 18:11:19,488 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 121 transitions, 245 flow [2023-08-29 18:11:19,491 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 18:11:19,504 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 121 transitions, 245 flow [2023-08-29 18:11:19,507 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 121 transitions, 245 flow [2023-08-29 18:11:19,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 122 places, 121 transitions, 245 flow [2023-08-29 18:11:19,545 INFO L130 PetriNetUnfolder]: 3/121 cut-off events. [2023-08-29 18:11:19,545 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 18:11:19,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 121 events. 3/121 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 109 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 85. Up to 2 conditions per place. [2023-08-29 18:11:19,549 INFO L119 LiptonReduction]: Number of co-enabled transitions 3468 [2023-08-29 18:11:22,516 INFO L134 LiptonReduction]: Checked pairs total: 14631 [2023-08-29 18:11:22,517 INFO L136 LiptonReduction]: Total number of compositions: 82 [2023-08-29 18:11:22,528 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 18:11:22,533 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;@4a5634ba, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 18:11:22,534 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2023-08-29 18:11:22,538 INFO L130 PetriNetUnfolder]: 0/8 cut-off events. [2023-08-29 18:11:22,538 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 18:11:22,538 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:11:22,539 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 18:11:22,539 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-08-29 18:11:22,543 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:11:22,544 INFO L85 PathProgramCache]: Analyzing trace with hash -508297836, now seen corresponding path program 1 times [2023-08-29 18:11:22,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:11:22,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123181695] [2023-08-29 18:11:22,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:11:22,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:11:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:11:22,783 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 18:11:22,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:11:22,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123181695] [2023-08-29 18:11:22,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123181695] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:11:22,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:11:22,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:11:22,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451026463] [2023-08-29 18:11:22,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:11:22,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:11:22,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:11:22,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:11:22,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:11:22,859 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 211 [2023-08-29 18:11:22,863 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 49 transitions, 101 flow. Second operand has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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 18:11:22,863 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:11:22,863 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 211 [2023-08-29 18:11:22,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:11:23,051 INFO L130 PetriNetUnfolder]: 341/855 cut-off events. [2023-08-29 18:11:23,051 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 18:11:23,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1610 conditions, 855 events. 341/855 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 4607 event pairs, 118 based on Foata normal form. 63/837 useless extension candidates. Maximal degree in co-relation 1601. Up to 517 conditions per place. [2023-08-29 18:11:23,062 INFO L137 encePairwiseOnDemand]: 192/211 looper letters, 51 selfloop transitions, 10 changer transitions 2/69 dead transitions. [2023-08-29 18:11:23,062 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 69 transitions, 267 flow [2023-08-29 18:11:23,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:11:23,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:11:23,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 388 transitions. [2023-08-29 18:11:23,079 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6129541864139021 [2023-08-29 18:11:23,080 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 388 transitions. [2023-08-29 18:11:23,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 388 transitions. [2023-08-29 18:11:23,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:11:23,085 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 388 transitions. [2023-08-29 18:11:23,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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 18:11:23,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 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 18:11:23,096 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 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 18:11:23,098 INFO L175 Difference]: Start difference. First operand has 50 places, 49 transitions, 101 flow. Second operand 3 states and 388 transitions. [2023-08-29 18:11:23,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 69 transitions, 267 flow [2023-08-29 18:11:23,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 69 transitions, 266 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:11:23,104 INFO L231 Difference]: Finished difference. Result has 50 places, 51 transitions, 166 flow [2023-08-29 18:11:23,105 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=166, PETRI_PLACES=50, PETRI_TRANSITIONS=51} [2023-08-29 18:11:23,109 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 0 predicate places. [2023-08-29 18:11:23,110 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 51 transitions, 166 flow [2023-08-29 18:11:23,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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 18:11:23,110 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:11:23,110 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:11:23,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 18:11:23,112 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2_funErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-08-29 18:11:23,120 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:11:23,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1354192566, now seen corresponding path program 1 times [2023-08-29 18:11:23,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:11:23,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086583844] [2023-08-29 18:11:23,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:11:23,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:11:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:11:23,227 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 18:11:23,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:11:23,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086583844] [2023-08-29 18:11:23,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086583844] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:11:23,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:11:23,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:11:23,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564513711] [2023-08-29 18:11:23,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:11:23,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:11:23,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:11:23,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:11:23,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:11:23,269 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 211 [2023-08-29 18:11:23,270 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 51 transitions, 166 flow. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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 18:11:23,270 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:11:23,270 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 211 [2023-08-29 18:11:23,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:11:23,381 INFO L130 PetriNetUnfolder]: 308/801 cut-off events. [2023-08-29 18:11:23,381 INFO L131 PetriNetUnfolder]: For 200/202 co-relation queries the response was YES. [2023-08-29 18:11:23,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1763 conditions, 801 events. 308/801 cut-off events. For 200/202 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4385 event pairs, 215 based on Foata normal form. 2/707 useless extension candidates. Maximal degree in co-relation 1753. Up to 623 conditions per place. [2023-08-29 18:11:23,385 INFO L137 encePairwiseOnDemand]: 205/211 looper letters, 47 selfloop transitions, 7 changer transitions 0/69 dead transitions. [2023-08-29 18:11:23,385 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 69 transitions, 326 flow [2023-08-29 18:11:23,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:11:23,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:11:23,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 378 transitions. [2023-08-29 18:11:23,387 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5971563981042654 [2023-08-29 18:11:23,387 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 378 transitions. [2023-08-29 18:11:23,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 378 transitions. [2023-08-29 18:11:23,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:11:23,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 378 transitions. [2023-08-29 18:11:23,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 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 18:11:23,391 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 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 18:11:23,392 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 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 18:11:23,392 INFO L175 Difference]: Start difference. First operand has 50 places, 51 transitions, 166 flow. Second operand 3 states and 378 transitions. [2023-08-29 18:11:23,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 69 transitions, 326 flow [2023-08-29 18:11:23,398 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 69 transitions, 300 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 18:11:23,399 INFO L231 Difference]: Finished difference. Result has 51 places, 57 transitions, 203 flow [2023-08-29 18:11:23,399 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=203, PETRI_PLACES=51, PETRI_TRANSITIONS=57} [2023-08-29 18:11:23,400 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, 1 predicate places. [2023-08-29 18:11:23,400 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 57 transitions, 203 flow [2023-08-29 18:11:23,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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 18:11:23,401 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:11:23,401 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:11:23,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 18:11:23,402 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-08-29 18:11:23,402 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:11:23,402 INFO L85 PathProgramCache]: Analyzing trace with hash 634909714, now seen corresponding path program 1 times [2023-08-29 18:11:23,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:11:23,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86200316] [2023-08-29 18:11:23,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:11:23,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:11:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:11:23,594 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 18:11:23,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:11:23,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86200316] [2023-08-29 18:11:23,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86200316] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:11:23,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:11:23,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:11:23,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979280010] [2023-08-29 18:11:23,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:11:23,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:11:23,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:11:23,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:11:23,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:11:23,625 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 211 [2023-08-29 18:11:23,626 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 57 transitions, 203 flow. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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 18:11:23,626 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:11:23,627 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 211 [2023-08-29 18:11:23,627 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:11:23,711 INFO L130 PetriNetUnfolder]: 97/347 cut-off events. [2023-08-29 18:11:23,711 INFO L131 PetriNetUnfolder]: For 61/61 co-relation queries the response was YES. [2023-08-29 18:11:23,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 762 conditions, 347 events. 97/347 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1475 event pairs, 23 based on Foata normal form. 38/367 useless extension candidates. Maximal degree in co-relation 751. Up to 147 conditions per place. [2023-08-29 18:11:23,713 INFO L137 encePairwiseOnDemand]: 200/211 looper letters, 29 selfloop transitions, 9 changer transitions 19/67 dead transitions. [2023-08-29 18:11:23,713 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 67 transitions, 308 flow [2023-08-29 18:11:23,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:11:23,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:11:23,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 385 transitions. [2023-08-29 18:11:23,715 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.608214849921011 [2023-08-29 18:11:23,715 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 385 transitions. [2023-08-29 18:11:23,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 385 transitions. [2023-08-29 18:11:23,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:11:23,716 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 385 transitions. [2023-08-29 18:11:23,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 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 18:11:23,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 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 18:11:23,719 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 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 18:11:23,719 INFO L175 Difference]: Start difference. First operand has 51 places, 57 transitions, 203 flow. Second operand 3 states and 385 transitions. [2023-08-29 18:11:23,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 67 transitions, 308 flow [2023-08-29 18:11:23,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 67 transitions, 276 flow, removed 10 selfloop flow, removed 3 redundant places. [2023-08-29 18:11:23,722 INFO L231 Difference]: Finished difference. Result has 47 places, 39 transitions, 131 flow [2023-08-29 18:11:23,722 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=131, PETRI_PLACES=47, PETRI_TRANSITIONS=39} [2023-08-29 18:11:23,723 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places. [2023-08-29 18:11:23,723 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 39 transitions, 131 flow [2023-08-29 18:11:23,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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 18:11:23,723 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:11:23,723 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:11:23,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 18:11:23,724 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2_funErr3ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-08-29 18:11:23,724 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:11:23,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1789482374, now seen corresponding path program 1 times [2023-08-29 18:11:23,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:11:23,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239157505] [2023-08-29 18:11:23,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:11:23,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:11:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:11:23,772 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 18:11:23,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:11:23,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239157505] [2023-08-29 18:11:23,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239157505] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:11:23,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:11:23,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:11:23,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092427439] [2023-08-29 18:11:23,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:11:23,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:11:23,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:11:23,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:11:23,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:11:23,803 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 211 [2023-08-29 18:11:23,804 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 39 transitions, 131 flow. Second operand has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 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 18:11:23,804 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:11:23,804 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 211 [2023-08-29 18:11:23,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:11:23,850 INFO L130 PetriNetUnfolder]: 63/220 cut-off events. [2023-08-29 18:11:23,850 INFO L131 PetriNetUnfolder]: For 54/61 co-relation queries the response was YES. [2023-08-29 18:11:23,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 220 events. 63/220 cut-off events. For 54/61 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 754 event pairs, 40 based on Foata normal form. 15/234 useless extension candidates. Maximal degree in co-relation 546. Up to 173 conditions per place. [2023-08-29 18:11:23,851 INFO L137 encePairwiseOnDemand]: 209/211 looper letters, 0 selfloop transitions, 0 changer transitions 42/42 dead transitions. [2023-08-29 18:11:23,851 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 42 transitions, 208 flow [2023-08-29 18:11:23,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:11:23,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:11:23,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 359 transitions. [2023-08-29 18:11:23,858 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5671406003159558 [2023-08-29 18:11:23,858 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 359 transitions. [2023-08-29 18:11:23,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 359 transitions. [2023-08-29 18:11:23,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:11:23,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 359 transitions. [2023-08-29 18:11:23,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 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 18:11:23,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 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 18:11:23,865 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 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 18:11:23,865 INFO L175 Difference]: Start difference. First operand has 47 places, 39 transitions, 131 flow. Second operand 3 states and 359 transitions. [2023-08-29 18:11:23,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 42 transitions, 208 flow [2023-08-29 18:11:23,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 42 transitions, 198 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 18:11:23,866 INFO L231 Difference]: Finished difference. Result has 41 places, 0 transitions, 0 flow [2023-08-29 18:11:23,867 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=41, PETRI_TRANSITIONS=0} [2023-08-29 18:11:23,868 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -9 predicate places. [2023-08-29 18:11:23,868 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 0 transitions, 0 flow [2023-08-29 18:11:23,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 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 18:11:23,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2023-08-29 18:11:23,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2023-08-29 18:11:23,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2023-08-29 18:11:23,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2023-08-29 18:11:23,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2023-08-29 18:11:23,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2023-08-29 18:11:23,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2023-08-29 18:11:23,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2023-08-29 18:11:23,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 13 remaining) [2023-08-29 18:11:23,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2023-08-29 18:11:23,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2023-08-29 18:11:23,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2023-08-29 18:11:23,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2023-08-29 18:11:23,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 18:11:23,876 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-29 18:11:23,882 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 18:11:23,882 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 18:11:23,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 06:11:23 BasicIcfg [2023-08-29 18:11:23,893 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 18:11:23,894 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 18:11:23,894 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 18:11:23,894 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 18:11:23,894 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:11:19" (3/4) ... [2023-08-29 18:11:23,906 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 18:11:23,911 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2_fun [2023-08-29 18:11:23,917 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-08-29 18:11:23,917 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 18:11:23,917 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 18:11:23,918 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 18:11:23,945 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 18:11:23,945 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 18:11:23,946 INFO L158 Benchmark]: Toolchain (without parser) took 5818.09ms. Allocated memory was 73.4MB in the beginning and 117.4MB in the end (delta: 44.0MB). Free memory was 53.3MB in the beginning and 91.9MB in the end (delta: -38.6MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2023-08-29 18:11:23,946 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 73.4MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 18:11:23,946 INFO L158 Benchmark]: CACSL2BoogieTranslator took 492.17ms. Allocated memory is still 73.4MB. Free memory was 53.0MB in the beginning and 33.5MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-29 18:11:23,947 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.89ms. Allocated memory is still 73.4MB. Free memory was 33.5MB in the beginning and 31.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 18:11:23,947 INFO L158 Benchmark]: Boogie Preprocessor took 48.68ms. Allocated memory is still 73.4MB. Free memory was 31.2MB in the beginning and 29.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 18:11:23,947 INFO L158 Benchmark]: RCFGBuilder took 493.78ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 29.8MB in the beginning and 61.9MB in the end (delta: -32.1MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2023-08-29 18:11:23,948 INFO L158 Benchmark]: TraceAbstraction took 4659.97ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 60.8MB in the beginning and 31.6MB in the end (delta: 29.2MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2023-08-29 18:11:23,948 INFO L158 Benchmark]: Witness Printer took 51.81ms. Allocated memory is still 117.4MB. Free memory was 31.6MB in the beginning and 91.9MB in the end (delta: -60.3MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2023-08-29 18:11:23,949 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 73.4MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 492.17ms. Allocated memory is still 73.4MB. Free memory was 53.0MB in the beginning and 33.5MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.89ms. Allocated memory is still 73.4MB. Free memory was 33.5MB in the beginning and 31.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.68ms. Allocated memory is still 73.4MB. Free memory was 31.2MB in the beginning and 29.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 493.78ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 29.8MB in the beginning and 61.9MB in the end (delta: -32.1MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4659.97ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 60.8MB in the beginning and 31.6MB in the end (delta: 29.2MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Witness Printer took 51.81ms. Allocated memory is still 117.4MB. Free memory was 31.6MB in the beginning and 91.9MB in the end (delta: -60.3MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.0s, 122 PlacesBefore, 50 PlacesAfterwards, 121 TransitionsBefore, 49 TransitionsAfterwards, 3468 CoEnabledTransitionPairs, 6 FixpointIterations, 34 TrivialSequentialCompositions, 44 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 82 TotalNumberOfCompositions, 14631 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2951, independent: 2437, independent conditional: 0, independent unconditional: 2437, dependent: 514, dependent conditional: 0, dependent unconditional: 514, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1512, independent: 1436, independent conditional: 0, independent unconditional: 1436, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2951, independent: 1001, independent conditional: 0, independent unconditional: 1001, dependent: 438, dependent conditional: 0, dependent unconditional: 438, unknown: 1512, unknown conditional: 0, unknown unconditional: 1512] , Statistics on independence cache: Total cache size (in pairs): 132, Positive cache size: 85, Positive conditional cache size: 0, Positive unconditional cache size: 85, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 163 locations, 13 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 200 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 346 IncrementalHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 33 mSDtfsCounter, 346 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=203occurred in iteration=2, 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, 0.3s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 51 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 - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 18:11:23,964 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE