./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe010_tso.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe010_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 0cdc4de0b080284406e5a223cc9cce4b369430ad26c4d0f5d169e90b4fc0e513 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-28 23:16:52,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-28 23:16:52,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-28 23:16:52,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-28 23:16:52,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-28 23:16:52,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-28 23:16:52,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-28 23:16:52,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-28 23:16:52,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-28 23:16:52,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-28 23:16:52,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-28 23:16:52,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-28 23:16:52,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-28 23:16:52,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-28 23:16:52,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-28 23:16:52,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-28 23:16:52,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-28 23:16:52,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-28 23:16:52,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-28 23:16:52,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-28 23:16:52,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-28 23:16:52,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-28 23:16:52,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-28 23:16:52,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-28 23:16:52,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-28 23:16:52,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-28 23:16:52,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-28 23:16:52,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-28 23:16:52,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-28 23:16:52,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-28 23:16:52,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-28 23:16:52,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-28 23:16:52,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-28 23:16:52,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-28 23:16:52,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-28 23:16:52,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-28 23:16:52,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-28 23:16:52,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-28 23:16:52,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-28 23:16:52,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-28 23:16:52,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-28 23:16:52,734 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-28 23:16:52,752 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-28 23:16:52,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-28 23:16:52,754 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-28 23:16:52,754 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-28 23:16:52,754 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-28 23:16:52,754 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-28 23:16:52,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-28 23:16:52,755 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-28 23:16:52,755 INFO L138 SettingsManager]: * Use SBE=true [2023-08-28 23:16:52,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-28 23:16:52,756 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-28 23:16:52,756 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-28 23:16:52,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-28 23:16:52,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-28 23:16:52,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-28 23:16:52,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-28 23:16:52,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-28 23:16:52,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-28 23:16:52,758 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-28 23:16:52,758 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-28 23:16:52,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-28 23:16:52,758 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-28 23:16:52,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-28 23:16:52,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-28 23:16:52,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-28 23:16:52,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-28 23:16:52,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-28 23:16:52,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-28 23:16:52,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-28 23:16:52,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-28 23:16:52,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-28 23:16:52,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-28 23:16:52,760 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-28 23:16:52,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-28 23:16:52,760 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-28 23:16:52,760 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-28 23:16:52,760 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-28 23:16:52,761 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cdc4de0b080284406e5a223cc9cce4b369430ad26c4d0f5d169e90b4fc0e513 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-28 23:16:52,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-28 23:16:52,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-28 23:16:52,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-28 23:16:52,981 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-28 23:16:52,981 INFO L275 PluginConnector]: CDTParser initialized [2023-08-28 23:16:52,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe010_tso.i [2023-08-28 23:16:53,918 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-28 23:16:54,149 INFO L351 CDTParser]: Found 1 translation units. [2023-08-28 23:16:54,150 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.i [2023-08-28 23:16:54,161 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a601d87a/e1bbe38bc229418d9d69788bad40e27b/FLAGc79b4f1f9 [2023-08-28 23:16:54,175 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a601d87a/e1bbe38bc229418d9d69788bad40e27b [2023-08-28 23:16:54,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-28 23:16:54,178 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-28 23:16:54,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-28 23:16:54,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-28 23:16:54,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-28 23:16:54,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 11:16:54" (1/1) ... [2023-08-28 23:16:54,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@638da2a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 11:16:54, skipping insertion in model container [2023-08-28 23:16:54,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 11:16:54" (1/1) ... [2023-08-28 23:16:54,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-28 23:16:54,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-28 23:16:54,356 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/safe010_tso.i[945,958] [2023-08-28 23:16:54,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-28 23:16:54,494 INFO L203 MainTranslator]: Completed pre-run [2023-08-28 23:16:54,502 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/safe010_tso.i[945,958] [2023-08-28 23:16:54,527 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-28 23:16:54,559 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-28 23:16:54,560 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-28 23:16:54,564 INFO L208 MainTranslator]: Completed translation [2023-08-28 23:16:54,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 11:16:54 WrapperNode [2023-08-28 23:16:54,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-28 23:16:54,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-28 23:16:54,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-28 23:16:54,566 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-28 23:16:54,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 11:16:54" (1/1) ... [2023-08-28 23:16:54,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 11:16:54" (1/1) ... [2023-08-28 23:16:54,602 INFO L138 Inliner]: procedures = 175, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2023-08-28 23:16:54,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-28 23:16:54,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-28 23:16:54,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-28 23:16:54,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-28 23:16:54,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 11:16:54" (1/1) ... [2023-08-28 23:16:54,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 11:16:54" (1/1) ... [2023-08-28 23:16:54,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 11:16:54" (1/1) ... [2023-08-28 23:16:54,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 11:16:54" (1/1) ... [2023-08-28 23:16:54,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 11:16:54" (1/1) ... [2023-08-28 23:16:54,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 11:16:54" (1/1) ... [2023-08-28 23:16:54,637 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 11:16:54" (1/1) ... [2023-08-28 23:16:54,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 11:16:54" (1/1) ... [2023-08-28 23:16:54,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-28 23:16:54,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-28 23:16:54,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-28 23:16:54,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-28 23:16:54,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 11:16:54" (1/1) ... [2023-08-28 23:16:54,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-28 23:16:54,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-28 23:16:54,667 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) [2023-08-28 23:16:54,674 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 [2023-08-28 23:16:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-28 23:16:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-28 23:16:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-28 23:16:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-28 23:16:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-28 23:16:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-28 23:16:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-28 23:16:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-28 23:16:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-28 23:16:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-28 23:16:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-28 23:16:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-28 23:16:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-28 23:16:54,694 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-28 23:16:54,797 INFO L236 CfgBuilder]: Building ICFG [2023-08-28 23:16:54,799 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-28 23:16:54,976 INFO L277 CfgBuilder]: Performing block encoding [2023-08-28 23:16:55,080 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-28 23:16:55,082 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-28 23:16:55,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 11:16:55 BoogieIcfgContainer [2023-08-28 23:16:55,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-28 23:16:55,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-28 23:16:55,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-28 23:16:55,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-28 23:16:55,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.08 11:16:54" (1/3) ... [2023-08-28 23:16:55,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1287e52d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 11:16:55, skipping insertion in model container [2023-08-28 23:16:55,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 11:16:54" (2/3) ... [2023-08-28 23:16:55,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1287e52d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 11:16:55, skipping insertion in model container [2023-08-28 23:16:55,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 11:16:55" (3/3) ... [2023-08-28 23:16:55,090 INFO L112 eAbstractionObserver]: Analyzing ICFG safe010_tso.i [2023-08-28 23:16:55,095 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-28 23:16:55,101 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-28 23:16:55,102 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-08-28 23:16:55,102 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-28 23:16:55,136 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-28 23:16:55,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 91 places, 86 transitions, 182 flow [2023-08-28 23:16:55,206 INFO L130 PetriNetUnfolder]: 2/84 cut-off events. [2023-08-28 23:16:55,206 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-28 23:16:55,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 84 events. 2/84 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 81 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 66. Up to 2 conditions per place. [2023-08-28 23:16:55,210 INFO L82 GeneralOperation]: Start removeDead. Operand has 91 places, 86 transitions, 182 flow [2023-08-28 23:16:55,213 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 84 transitions, 174 flow [2023-08-28 23:16:55,216 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-28 23:16:55,225 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 84 transitions, 174 flow [2023-08-28 23:16:55,228 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 84 transitions, 174 flow [2023-08-28 23:16:55,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 89 places, 84 transitions, 174 flow [2023-08-28 23:16:55,251 INFO L130 PetriNetUnfolder]: 2/84 cut-off events. [2023-08-28 23:16:55,251 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-28 23:16:55,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 84 events. 2/84 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 81 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 66. Up to 2 conditions per place. [2023-08-28 23:16:55,253 INFO L119 LiptonReduction]: Number of co-enabled transitions 1872 [2023-08-28 23:16:57,459 INFO L134 LiptonReduction]: Checked pairs total: 5300 [2023-08-28 23:16:57,459 INFO L136 LiptonReduction]: Total number of compositions: 76 [2023-08-28 23:16:57,468 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-28 23:16:57,472 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;@4dc6fe31, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-28 23:16:57,472 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2023-08-28 23:16:57,474 INFO L130 PetriNetUnfolder]: 0/2 cut-off events. [2023-08-28 23:16:57,474 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-28 23:16:57,474 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-28 23:16:57,475 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-28 23:16:57,475 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2023-08-28 23:16:57,478 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-28 23:16:57,478 INFO L85 PathProgramCache]: Analyzing trace with hash 423531, now seen corresponding path program 1 times [2023-08-28 23:16:57,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-28 23:16:57,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359923816] [2023-08-28 23:16:57,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-28 23:16:57,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-28 23:16:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-28 23:16:57,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-28 23:16:57,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-28 23:16:57,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359923816] [2023-08-28 23:16:57,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359923816] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-28 23:16:57,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-28 23:16:57,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-28 23:16:57,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311197700] [2023-08-28 23:16:57,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-28 23:16:57,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-28 23:16:57,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-28 23:16:57,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-28 23:16:57,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-28 23:16:57,642 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 162 [2023-08-28 23:16:57,644 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 28 transitions, 62 flow. Second operand has 2 states, 2 states have (on average 60.5) internal successors, (121), 2 states have internal predecessors, (121), 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) [2023-08-28 23:16:57,644 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-28 23:16:57,644 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 162 [2023-08-28 23:16:57,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-28 23:16:57,690 INFO L130 PetriNetUnfolder]: 63/120 cut-off events. [2023-08-28 23:16:57,690 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-28 23:16:57,690 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 327 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. [2023-08-28 23:16:57,692 INFO L137 encePairwiseOnDemand]: 146/162 looper letters, 0 selfloop transitions, 0 changer transitions 12/12 dead transitions. [2023-08-28 23:16:57,692 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 12 transitions, 54 flow [2023-08-28 23:16:57,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-28 23:16:57,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-28 23:16:57,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 146 transitions. [2023-08-28 23:16:57,702 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4506172839506173 [2023-08-28 23:16:57,703 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 146 transitions. [2023-08-28 23:16:57,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 146 transitions. [2023-08-28 23:16:57,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-28 23:16:57,706 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 146 transitions. [2023-08-28 23:16:57,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 73.0) internal successors, (146), 2 states have internal predecessors, (146), 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) [2023-08-28 23:16:57,712 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 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) [2023-08-28 23:16:57,712 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 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) [2023-08-28 23:16:57,713 INFO L175 Difference]: Start difference. First operand has 35 places, 28 transitions, 62 flow. Second operand 2 states and 146 transitions. [2023-08-28 23:16:57,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 12 transitions, 54 flow [2023-08-28 23:16:57,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 12 transitions, 52 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-28 23:16:57,716 INFO L231 Difference]: Finished difference. Result has 18 places, 0 transitions, 0 flow [2023-08-28 23:16:57,717 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, 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} [2023-08-28 23:16:57,719 INFO L281 CegarLoopForPetriNet]: 35 programPoint places, -17 predicate places. [2023-08-28 23:16:57,720 INFO L495 AbstractCegarLoop]: Abstraction has has 18 places, 0 transitions, 0 flow [2023-08-28 23:16:57,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 60.5) internal successors, (121), 2 states have internal predecessors, (121), 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) [2023-08-28 23:16:57,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2023-08-28 23:16:57,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2023-08-28 23:16:57,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2023-08-28 23:16:57,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2023-08-28 23:16:57,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2023-08-28 23:16:57,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2023-08-28 23:16:57,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2023-08-28 23:16:57,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2023-08-28 23:16:57,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2023-08-28 23:16:57,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2023-08-28 23:16:57,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2023-08-28 23:16:57,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2023-08-28 23:16:57,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2023-08-28 23:16:57,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2023-08-28 23:16:57,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2023-08-28 23:16:57,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2023-08-28 23:16:57,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 27 remaining) [2023-08-28 23:16:57,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 27 remaining) [2023-08-28 23:16:57,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2023-08-28 23:16:57,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2023-08-28 23:16:57,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2023-08-28 23:16:57,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2023-08-28 23:16:57,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2023-08-28 23:16:57,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2023-08-28 23:16:57,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2023-08-28 23:16:57,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2023-08-28 23:16:57,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2023-08-28 23:16:57,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-28 23:16:57,743 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-28 23:16:57,750 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-28 23:16:57,750 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-28 23:16:57,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.08 11:16:57 BasicIcfg [2023-08-28 23:16:57,753 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-28 23:16:57,753 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-28 23:16:57,753 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-28 23:16:57,753 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-28 23:16:57,754 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 11:16:55" (3/4) ... [2023-08-28 23:16:57,755 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-28 23:16:57,763 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-08-28 23:16:57,763 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-08-28 23:16:57,766 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2023-08-28 23:16:57,767 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-08-28 23:16:57,768 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-28 23:16:57,768 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-28 23:16:57,806 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-28 23:16:57,807 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-28 23:16:57,807 INFO L158 Benchmark]: Toolchain (without parser) took 3629.00ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 53.6MB in the beginning and 56.0MB in the end (delta: -2.5MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2023-08-28 23:16:57,807 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 56.6MB. Free memory was 34.3MB in the beginning and 34.2MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-28 23:16:57,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.65ms. Allocated memory is still 77.6MB. Free memory was 53.2MB in the beginning and 53.3MB in the end (delta: -88.6kB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2023-08-28 23:16:57,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.63ms. Allocated memory is still 77.6MB. Free memory was 53.3MB in the beginning and 51.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-28 23:16:57,808 INFO L158 Benchmark]: Boogie Preprocessor took 36.40ms. Allocated memory is still 77.6MB. Free memory was 51.2MB in the beginning and 49.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-28 23:16:57,808 INFO L158 Benchmark]: RCFGBuilder took 445.03ms. Allocated memory is still 77.6MB. Free memory was 49.8MB in the beginning and 51.6MB in the end (delta: -1.8MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2023-08-28 23:16:57,809 INFO L158 Benchmark]: TraceAbstraction took 2666.95ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 51.2MB in the beginning and 59.4MB in the end (delta: -8.2MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2023-08-28 23:16:57,809 INFO L158 Benchmark]: Witness Printer took 53.67ms. Allocated memory is still 100.7MB. Free memory was 59.4MB in the beginning and 56.0MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-28 23:16:57,811 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 56.6MB. Free memory was 34.3MB in the beginning and 34.2MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.65ms. Allocated memory is still 77.6MB. Free memory was 53.2MB in the beginning and 53.3MB in the end (delta: -88.6kB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.63ms. Allocated memory is still 77.6MB. Free memory was 53.3MB in the beginning and 51.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.40ms. Allocated memory is still 77.6MB. Free memory was 51.2MB in the beginning and 49.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 445.03ms. Allocated memory is still 77.6MB. Free memory was 49.8MB in the beginning and 51.6MB in the end (delta: -1.8MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2666.95ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 51.2MB in the beginning and 59.4MB in the end (delta: -8.2MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Witness Printer took 53.67ms. Allocated memory is still 100.7MB. Free memory was 59.4MB in the beginning and 56.0MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.2s, 89 PlacesBefore, 35 PlacesAfterwards, 84 TransitionsBefore, 28 TransitionsAfterwards, 1872 CoEnabledTransitionPairs, 6 FixpointIterations, 18 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 76 TotalNumberOfCompositions, 5300 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2922, independent: 2761, independent conditional: 0, independent unconditional: 2761, dependent: 161, dependent conditional: 0, dependent unconditional: 161, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1080, independent: 1032, independent conditional: 0, independent unconditional: 1032, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2922, independent: 1729, independent conditional: 0, independent unconditional: 1729, dependent: 113, dependent conditional: 0, dependent unconditional: 113, unknown: 1080, unknown conditional: 0, unknown unconditional: 1080] , Statistics on independence cache: Total cache size (in pairs): 122, Positive cache size: 103, Positive conditional cache size: 0, Positive unconditional cache size: 103, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 735]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 735]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 738]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: 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: 769]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 769]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 769]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 110 locations, 27 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: 2.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, 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, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 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=62occurred 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 16 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-28 23:16:57,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE