./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.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-wmm/safe022_tso.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 cfc87f4ca115dcc389a4b05cbc106fd8bac1a9e17a58d50108d65580024dc2f5 --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 15:47:57,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 15:47:57,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 15:47:57,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 15:47:57,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 15:47:57,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 15:47:57,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 15:47:57,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 15:47:57,484 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 15:47:57,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 15:47:57,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 15:47:57,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 15:47:57,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 15:47:57,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 15:47:57,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 15:47:57,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 15:47:57,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 15:47:57,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 15:47:57,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 15:47:57,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 15:47:57,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 15:47:57,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 15:47:57,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 15:47:57,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 15:47:57,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 15:47:57,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 15:47:57,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 15:47:57,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 15:47:57,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 15:47:57,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 15:47:57,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 15:47:57,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 15:47:57,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 15:47:57,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 15:47:57,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 15:47:57,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 15:47:57,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 15:47:57,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 15:47:57,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 15:47:57,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 15:47:57,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 15:47:57,530 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 15:47:57,561 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 15:47:57,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 15:47:57,563 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 15:47:57,563 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 15:47:57,564 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 15:47:57,564 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 15:47:57,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 15:47:57,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 15:47:57,565 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 15:47:57,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 15:47:57,566 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 15:47:57,566 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 15:47:57,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 15:47:57,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 15:47:57,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 15:47:57,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 15:47:57,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 15:47:57,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 15:47:57,567 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 15:47:57,567 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 15:47:57,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 15:47:57,568 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 15:47:57,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 15:47:57,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 15:47:57,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 15:47:57,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 15:47:57,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 15:47:57,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 15:47:57,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 15:47:57,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 15:47:57,570 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 15:47:57,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 15:47:57,570 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 15:47:57,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 15:47:57,570 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 15:47:57,571 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 15:47:57,571 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 15:47:57,571 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfc87f4ca115dcc389a4b05cbc106fd8bac1a9e17a58d50108d65580024dc2f5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 15:47:57,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 15:47:57,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 15:47:57,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 15:47:57,892 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 15:47:57,892 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 15:47:57,895 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.i [2023-08-29 15:47:58,942 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 15:47:59,213 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 15:47:59,216 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe022_tso.i [2023-08-29 15:47:59,239 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fa58b395/76ef567df5844d5bb7564cbcc14b667f/FLAGa3424667b [2023-08-29 15:47:59,253 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fa58b395/76ef567df5844d5bb7564cbcc14b667f [2023-08-29 15:47:59,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 15:47:59,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 15:47:59,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 15:47:59,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 15:47:59,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 15:47:59,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:47:59" (1/1) ... [2023-08-29 15:47:59,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49e0ba91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:59, skipping insertion in model container [2023-08-29 15:47:59,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:47:59" (1/1) ... [2023-08-29 15:47:59,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 15:47:59,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 15:47:59,417 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-wmm/safe022_tso.i[945,958] [2023-08-29 15:47:59,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 15:47:59,578 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 15:47:59,587 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-wmm/safe022_tso.i[945,958] [2023-08-29 15:47:59,609 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 15:47:59,635 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 15:47:59,635 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 15:47:59,641 INFO L208 MainTranslator]: Completed translation [2023-08-29 15:47:59,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:59 WrapperNode [2023-08-29 15:47:59,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 15:47:59,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 15:47:59,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 15:47:59,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 15:47:59,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:59" (1/1) ... [2023-08-29 15:47:59,665 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:59" (1/1) ... [2023-08-29 15:47:59,688 INFO L138 Inliner]: procedures = 175, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 81 [2023-08-29 15:47:59,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 15:47:59,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 15:47:59,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 15:47:59,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 15:47:59,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:59" (1/1) ... [2023-08-29 15:47:59,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:59" (1/1) ... [2023-08-29 15:47:59,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:59" (1/1) ... [2023-08-29 15:47:59,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:59" (1/1) ... [2023-08-29 15:47:59,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:59" (1/1) ... [2023-08-29 15:47:59,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:59" (1/1) ... [2023-08-29 15:47:59,705 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:59" (1/1) ... [2023-08-29 15:47:59,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:59" (1/1) ... [2023-08-29 15:47:59,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 15:47:59,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 15:47:59,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 15:47:59,710 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 15:47:59,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:59" (1/1) ... [2023-08-29 15:47:59,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 15:47:59,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 15:47:59,736 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 15:47:59,755 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 15:47:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 15:47:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 15:47:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 15:47:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 15:47:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 15:47:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-29 15:47:59,776 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-29 15:47:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-29 15:47:59,776 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-29 15:47:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 15:47:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 15:47:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 15:47:59,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 15:47:59,777 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 15:47:59,886 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 15:47:59,888 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 15:48:00,092 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 15:48:00,227 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 15:48:00,227 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 15:48:00,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:48:00 BoogieIcfgContainer [2023-08-29 15:48:00,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 15:48:00,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 15:48:00,231 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 15:48:00,234 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 15:48:00,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:47:59" (1/3) ... [2023-08-29 15:48:00,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e88b96d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:48:00, skipping insertion in model container [2023-08-29 15:48:00,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:59" (2/3) ... [2023-08-29 15:48:00,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e88b96d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:48:00, skipping insertion in model container [2023-08-29 15:48:00,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:48:00" (3/3) ... [2023-08-29 15:48:00,236 INFO L112 eAbstractionObserver]: Analyzing ICFG safe022_tso.i [2023-08-29 15:48:00,243 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 15:48:00,250 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 15:48:00,251 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-08-29 15:48:00,251 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 15:48:00,288 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 15:48:00,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 88 transitions, 186 flow [2023-08-29 15:48:00,393 INFO L130 PetriNetUnfolder]: 2/86 cut-off events. [2023-08-29 15:48:00,394 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 15:48:00,398 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 86 events. 2/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 88 event pairs, 0 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2023-08-29 15:48:00,398 INFO L82 GeneralOperation]: Start removeDead. Operand has 93 places, 88 transitions, 186 flow [2023-08-29 15:48:00,403 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 91 places, 86 transitions, 178 flow [2023-08-29 15:48:00,406 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 15:48:00,423 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 86 transitions, 178 flow [2023-08-29 15:48:00,428 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 86 transitions, 178 flow [2023-08-29 15:48:00,429 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 91 places, 86 transitions, 178 flow [2023-08-29 15:48:00,477 INFO L130 PetriNetUnfolder]: 2/86 cut-off events. [2023-08-29 15:48:00,478 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 15:48:00,478 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 86 events. 2/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 89 event pairs, 0 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2023-08-29 15:48:00,481 INFO L119 LiptonReduction]: Number of co-enabled transitions 1964 [2023-08-29 15:48:02,859 INFO L134 LiptonReduction]: Checked pairs total: 5445 [2023-08-29 15:48:02,859 INFO L136 LiptonReduction]: Total number of compositions: 79 [2023-08-29 15:48:02,870 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 15:48:02,875 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;@155dd102, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 15:48:02,875 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2023-08-29 15:48:02,877 INFO L130 PetriNetUnfolder]: 0/3 cut-off events. [2023-08-29 15:48:02,877 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 15:48:02,878 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 15:48:02,878 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-29 15:48:02,878 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2023-08-29 15:48:02,882 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 15:48:02,882 INFO L85 PathProgramCache]: Analyzing trace with hash 440386, now seen corresponding path program 1 times [2023-08-29 15:48:02,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 15:48:02,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130742961] [2023-08-29 15:48:02,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 15:48:02,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 15:48:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 15:48:03,091 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 15:48:03,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 15:48:03,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130742961] [2023-08-29 15:48:03,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130742961] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 15:48:03,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 15:48:03,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 15:48:03,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004091288] [2023-08-29 15:48:03,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 15:48:03,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 15:48:03,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 15:48:03,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 15:48:03,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 15:48:03,129 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 167 [2023-08-29 15:48:03,131 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 29 transitions, 64 flow. Second operand has 2 states, 2 states have (on average 61.5) internal successors, (123), 2 states have internal predecessors, (123), 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 15:48:03,131 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 15:48:03,131 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 167 [2023-08-29 15:48:03,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 15:48:03,176 INFO L130 PetriNetUnfolder]: 63/120 cut-off events. [2023-08-29 15:48:03,177 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 15:48:03,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 254 conditions, 120 events. 63/120 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 328 event pairs, 63 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 244. Up to 121 conditions per place. [2023-08-29 15:48:03,178 INFO L137 encePairwiseOnDemand]: 150/167 looper letters, 0 selfloop transitions, 0 changer transitions 12/12 dead transitions. [2023-08-29 15:48:03,178 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 12 transitions, 54 flow [2023-08-29 15:48:03,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 15:48:03,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 15:48:03,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 149 transitions. [2023-08-29 15:48:03,189 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44610778443113774 [2023-08-29 15:48:03,189 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 149 transitions. [2023-08-29 15:48:03,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 149 transitions. [2023-08-29 15:48:03,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 15:48:03,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 149 transitions. [2023-08-29 15:48:03,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 74.5) internal successors, (149), 2 states have internal predecessors, (149), 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 15:48:03,197 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 15:48:03,198 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 15:48:03,199 INFO L175 Difference]: Start difference. First operand has 36 places, 29 transitions, 64 flow. Second operand 2 states and 149 transitions. [2023-08-29 15:48:03,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 12 transitions, 54 flow [2023-08-29 15:48:03,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 12 transitions, 52 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 15:48:03,202 INFO L231 Difference]: Finished difference. Result has 18 places, 0 transitions, 0 flow [2023-08-29 15:48:03,203 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=18, PETRI_TRANSITIONS=0} [2023-08-29 15:48:03,206 INFO L281 CegarLoopForPetriNet]: 36 programPoint places, -18 predicate places. [2023-08-29 15:48:03,207 INFO L495 AbstractCegarLoop]: Abstraction has has 18 places, 0 transitions, 0 flow [2023-08-29 15:48:03,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 61.5) internal successors, (123), 2 states have internal predecessors, (123), 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 15:48:03,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (28 of 29 remaining) [2023-08-29 15:48:03,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (27 of 29 remaining) [2023-08-29 15:48:03,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (26 of 29 remaining) [2023-08-29 15:48:03,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (25 of 29 remaining) [2023-08-29 15:48:03,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (24 of 29 remaining) [2023-08-29 15:48:03,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (23 of 29 remaining) [2023-08-29 15:48:03,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (22 of 29 remaining) [2023-08-29 15:48:03,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (21 of 29 remaining) [2023-08-29 15:48:03,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (20 of 29 remaining) [2023-08-29 15:48:03,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err5ASSERT_VIOLATIONDATA_RACE (19 of 29 remaining) [2023-08-29 15:48:03,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 29 remaining) [2023-08-29 15:48:03,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (17 of 29 remaining) [2023-08-29 15:48:03,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 29 remaining) [2023-08-29 15:48:03,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 29 remaining) [2023-08-29 15:48:03,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (14 of 29 remaining) [2023-08-29 15:48:03,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (13 of 29 remaining) [2023-08-29 15:48:03,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (12 of 29 remaining) [2023-08-29 15:48:03,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 29 remaining) [2023-08-29 15:48:03,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 29 remaining) [2023-08-29 15:48:03,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (9 of 29 remaining) [2023-08-29 15:48:03,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (8 of 29 remaining) [2023-08-29 15:48:03,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (7 of 29 remaining) [2023-08-29 15:48:03,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (6 of 29 remaining) [2023-08-29 15:48:03,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (5 of 29 remaining) [2023-08-29 15:48:03,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (4 of 29 remaining) [2023-08-29 15:48:03,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (3 of 29 remaining) [2023-08-29 15:48:03,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (2 of 29 remaining) [2023-08-29 15:48:03,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (1 of 29 remaining) [2023-08-29 15:48:03,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err5ASSERT_VIOLATIONDATA_RACE (0 of 29 remaining) [2023-08-29 15:48:03,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 15:48:03,215 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-29 15:48:03,226 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 15:48:03,226 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 15:48:03,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:48:03 BasicIcfg [2023-08-29 15:48:03,232 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 15:48:03,235 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 15:48:03,235 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 15:48:03,235 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 15:48:03,236 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:48:00" (3/4) ... [2023-08-29 15:48:03,238 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 15:48:03,242 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-08-29 15:48:03,242 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-08-29 15:48:03,249 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2023-08-29 15:48:03,249 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-08-29 15:48:03,250 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-08-29 15:48:03,250 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 15:48:03,301 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 15:48:03,301 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 15:48:03,302 INFO L158 Benchmark]: Toolchain (without parser) took 4045.97ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 34.4MB in the beginning and 31.8MB in the end (delta: 2.6MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2023-08-29 15:48:03,302 INFO L158 Benchmark]: CDTParser took 0.82ms. Allocated memory is still 54.5MB. Free memory is still 31.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 15:48:03,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.48ms. Allocated memory is still 67.1MB. Free memory was 34.3MB in the beginning and 29.6MB in the end (delta: 4.7MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2023-08-29 15:48:03,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.27ms. Allocated memory is still 67.1MB. Free memory was 29.6MB in the beginning and 45.3MB in the end (delta: -15.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 15:48:03,304 INFO L158 Benchmark]: Boogie Preprocessor took 18.88ms. Allocated memory is still 67.1MB. Free memory was 45.3MB in the beginning and 43.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 15:48:03,304 INFO L158 Benchmark]: RCFGBuilder took 520.10ms. Allocated memory is still 67.1MB. Free memory was 43.8MB in the beginning and 40.3MB in the end (delta: 3.5MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2023-08-29 15:48:03,304 INFO L158 Benchmark]: TraceAbstraction took 3001.16ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 39.4MB in the beginning and 35.0MB in the end (delta: 4.4MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2023-08-29 15:48:03,304 INFO L158 Benchmark]: Witness Printer took 66.40ms. Allocated memory is still 81.8MB. Free memory was 35.0MB in the beginning and 31.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 15:48:03,306 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82ms. Allocated memory is still 54.5MB. Free memory is still 31.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.48ms. Allocated memory is still 67.1MB. Free memory was 34.3MB in the beginning and 29.6MB in the end (delta: 4.7MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.27ms. Allocated memory is still 67.1MB. Free memory was 29.6MB in the beginning and 45.3MB in the end (delta: -15.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.88ms. Allocated memory is still 67.1MB. Free memory was 45.3MB in the beginning and 43.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 520.10ms. Allocated memory is still 67.1MB. Free memory was 43.8MB in the beginning and 40.3MB in the end (delta: 3.5MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3001.16ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 39.4MB in the beginning and 35.0MB in the end (delta: 4.4MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Witness Printer took 66.40ms. Allocated memory is still 81.8MB. Free memory was 35.0MB in the beginning and 31.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.4s, 91 PlacesBefore, 36 PlacesAfterwards, 86 TransitionsBefore, 29 TransitionsAfterwards, 1964 CoEnabledTransitionPairs, 6 FixpointIterations, 19 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 79 TotalNumberOfCompositions, 5445 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3381, independent: 3223, independent conditional: 0, independent unconditional: 3223, dependent: 158, dependent conditional: 0, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1110, independent: 1069, independent conditional: 0, independent unconditional: 1069, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3381, independent: 2154, independent conditional: 0, independent unconditional: 2154, dependent: 117, dependent conditional: 0, dependent unconditional: 117, unknown: 1110, unknown conditional: 0, unknown unconditional: 1110] , Statistics on independence cache: Total cache size (in pairs): 132, Positive cache size: 118, Positive conditional cache size: 0, Positive unconditional cache size: 118, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 765]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 765]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 767]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 771]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 771]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 771]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 773]: 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 5 procedures, 113 locations, 29 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: 2.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 17 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 15:48:03,332 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