./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe032_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/safe032_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 ffff09405c16ea86880fae0b9b6268edfa5ef4b2d03cee31a9e4f2e1ac044811 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 00:48:18,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 00:48:18,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 00:48:18,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 00:48:18,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 00:48:18,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 00:48:18,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 00:48:18,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 00:48:18,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 00:48:18,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 00:48:18,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 00:48:18,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 00:48:18,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 00:48:18,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 00:48:18,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 00:48:18,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 00:48:18,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 00:48:18,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 00:48:18,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 00:48:18,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 00:48:18,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 00:48:18,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 00:48:18,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 00:48:18,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 00:48:18,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 00:48:18,955 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 00:48:18,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 00:48:18,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 00:48:18,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 00:48:18,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 00:48:18,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 00:48:18,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 00:48:18,962 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 00:48:18,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 00:48:18,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 00:48:18,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 00:48:18,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 00:48:18,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 00:48:18,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 00:48:18,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 00:48:18,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 00:48:18,967 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 00:48:19,002 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 00:48:19,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 00:48:19,003 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 00:48:19,004 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 00:48:19,004 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 00:48:19,004 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 00:48:19,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 00:48:19,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 00:48:19,005 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 00:48:19,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 00:48:19,006 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 00:48:19,006 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 00:48:19,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 00:48:19,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 00:48:19,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 00:48:19,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 00:48:19,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 00:48:19,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 00:48:19,007 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 00:48:19,007 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 00:48:19,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 00:48:19,007 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 00:48:19,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 00:48:19,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 00:48:19,008 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 00:48:19,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 00:48:19,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 00:48:19,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 00:48:19,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 00:48:19,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 00:48:19,009 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 00:48:19,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 00:48:19,009 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 00:48:19,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 00:48:19,010 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 00:48:19,010 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 00:48:19,010 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 00:48:19,010 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffff09405c16ea86880fae0b9b6268edfa5ef4b2d03cee31a9e4f2e1ac044811 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 00:48:19,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 00:48:19,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 00:48:19,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 00:48:19,264 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 00:48:19,264 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 00:48:19,265 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe032_tso.i [2023-08-29 00:48:20,201 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 00:48:20,369 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 00:48:20,369 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_tso.i [2023-08-29 00:48:20,380 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c034ecf38/3207683250604b86a6781d79c063a6f3/FLAG2a7b05b66 [2023-08-29 00:48:20,392 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c034ecf38/3207683250604b86a6781d79c063a6f3 [2023-08-29 00:48:20,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 00:48:20,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 00:48:20,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 00:48:20,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 00:48:20,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 00:48:20,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 12:48:20" (1/1) ... [2023-08-29 00:48:20,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b9f1fe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 12:48:20, skipping insertion in model container [2023-08-29 00:48:20,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 12:48:20" (1/1) ... [2023-08-29 00:48:20,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 00:48:20,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 00:48:20,537 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_tso.i[945,958] [2023-08-29 00:48:20,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 00:48:20,684 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 00:48:20,697 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/safe032_tso.i[945,958] [2023-08-29 00:48:20,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 00:48:20,758 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 00:48:20,759 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 00:48:20,763 INFO L208 MainTranslator]: Completed translation [2023-08-29 00:48:20,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 12:48:20 WrapperNode [2023-08-29 00:48:20,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 00:48:20,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 00:48:20,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 00:48:20,765 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 00:48:20,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 12:48:20" (1/1) ... [2023-08-29 00:48:20,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 12:48:20" (1/1) ... [2023-08-29 00:48:20,798 INFO L138 Inliner]: procedures = 176, calls = 57, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 104 [2023-08-29 00:48:20,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 00:48:20,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 00:48:20,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 00:48:20,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 00:48:20,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 12:48:20" (1/1) ... [2023-08-29 00:48:20,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 12:48:20" (1/1) ... [2023-08-29 00:48:20,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 12:48:20" (1/1) ... [2023-08-29 00:48:20,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 12:48:20" (1/1) ... [2023-08-29 00:48:20,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 12:48:20" (1/1) ... [2023-08-29 00:48:20,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 12:48:20" (1/1) ... [2023-08-29 00:48:20,820 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 12:48:20" (1/1) ... [2023-08-29 00:48:20,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 12:48:20" (1/1) ... [2023-08-29 00:48:20,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 00:48:20,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 00:48:20,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 00:48:20,823 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 00:48:20,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 12:48:20" (1/1) ... [2023-08-29 00:48:20,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 00:48:20,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 00:48:20,869 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 00:48:20,878 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 00:48:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 00:48:20,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 00:48:20,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 00:48:20,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 00:48:20,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 00:48:20,898 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-29 00:48:20,898 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-29 00:48:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-29 00:48:20,899 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-29 00:48:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-29 00:48:20,899 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-29 00:48:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 00:48:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 00:48:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 00:48:20,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 00:48:20,900 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 00:48:21,010 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 00:48:21,034 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 00:48:21,268 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 00:48:21,386 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 00:48:21,386 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 00:48:21,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 12:48:21 BoogieIcfgContainer [2023-08-29 00:48:21,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 00:48:21,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 00:48:21,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 00:48:21,392 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 00:48:21,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 12:48:20" (1/3) ... [2023-08-29 00:48:21,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db520e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 12:48:21, skipping insertion in model container [2023-08-29 00:48:21,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 12:48:20" (2/3) ... [2023-08-29 00:48:21,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db520e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 12:48:21, skipping insertion in model container [2023-08-29 00:48:21,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 12:48:21" (3/3) ... [2023-08-29 00:48:21,395 INFO L112 eAbstractionObserver]: Analyzing ICFG safe032_tso.i [2023-08-29 00:48:21,400 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 00:48:21,406 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 00:48:21,407 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2023-08-29 00:48:21,407 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 00:48:21,446 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 00:48:21,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 118 places, 110 transitions, 235 flow [2023-08-29 00:48:21,520 INFO L130 PetriNetUnfolder]: 2/107 cut-off events. [2023-08-29 00:48:21,520 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 00:48:21,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 107 events. 2/107 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 117 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2023-08-29 00:48:21,524 INFO L82 GeneralOperation]: Start removeDead. Operand has 118 places, 110 transitions, 235 flow [2023-08-29 00:48:21,527 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 115 places, 107 transitions, 223 flow [2023-08-29 00:48:21,530 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 00:48:21,538 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 115 places, 107 transitions, 223 flow [2023-08-29 00:48:21,541 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 115 places, 107 transitions, 223 flow [2023-08-29 00:48:21,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 115 places, 107 transitions, 223 flow [2023-08-29 00:48:21,567 INFO L130 PetriNetUnfolder]: 2/107 cut-off events. [2023-08-29 00:48:21,567 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 00:48:21,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 107 events. 2/107 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 117 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2023-08-29 00:48:21,570 INFO L119 LiptonReduction]: Number of co-enabled transitions 3704 [2023-08-29 00:48:25,431 INFO L134 LiptonReduction]: Checked pairs total: 14218 [2023-08-29 00:48:25,432 INFO L136 LiptonReduction]: Total number of compositions: 89 [2023-08-29 00:48:25,441 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 00:48:25,445 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;@19c4307, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 00:48:25,445 INFO L358 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2023-08-29 00:48:25,447 INFO L130 PetriNetUnfolder]: 0/3 cut-off events. [2023-08-29 00:48:25,447 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 00:48:25,447 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 00:48:25,447 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-29 00:48:25,448 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-08-29 00:48:25,450 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 00:48:25,451 INFO L85 PathProgramCache]: Analyzing trace with hash 567225, now seen corresponding path program 1 times [2023-08-29 00:48:25,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 00:48:25,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538121308] [2023-08-29 00:48:25,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 00:48:25,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 00:48:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 00:48:25,563 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 00:48:25,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 00:48:25,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538121308] [2023-08-29 00:48:25,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538121308] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 00:48:25,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 00:48:25,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 00:48:25,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767227001] [2023-08-29 00:48:25,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 00:48:25,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 00:48:25,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 00:48:25,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 00:48:25,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 00:48:25,599 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 199 [2023-08-29 00:48:25,602 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 40 transitions, 89 flow. Second operand has 2 states, 2 states have (on average 73.5) internal successors, (147), 2 states have internal predecessors, (147), 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 00:48:25,602 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 00:48:25,602 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 199 [2023-08-29 00:48:25,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 00:48:25,728 INFO L130 PetriNetUnfolder]: 423/656 cut-off events. [2023-08-29 00:48:25,728 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2023-08-29 00:48:25,729 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1359 conditions, 656 events. 423/656 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2270 event pairs, 423 based on Foata normal form. 0/656 useless extension candidates. Maximal degree in co-relation 1348. Up to 657 conditions per place. [2023-08-29 00:48:25,730 INFO L137 encePairwiseOnDemand]: 176/199 looper letters, 0 selfloop transitions, 0 changer transitions 17/17 dead transitions. [2023-08-29 00:48:25,730 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 17 transitions, 77 flow [2023-08-29 00:48:25,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 00:48:25,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 00:48:25,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 184 transitions. [2023-08-29 00:48:25,738 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4623115577889447 [2023-08-29 00:48:25,739 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 184 transitions. [2023-08-29 00:48:25,739 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 184 transitions. [2023-08-29 00:48:25,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 00:48:25,741 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 184 transitions. [2023-08-29 00:48:25,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 92.0) internal successors, (184), 2 states have internal predecessors, (184), 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 00:48:25,745 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 199.0) internal successors, (597), 3 states have internal predecessors, (597), 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 00:48:25,745 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 199.0) internal successors, (597), 3 states have internal predecessors, (597), 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 00:48:25,746 INFO L175 Difference]: Start difference. First operand has 50 places, 40 transitions, 89 flow. Second operand 2 states and 184 transitions. [2023-08-29 00:48:25,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 17 transitions, 77 flow [2023-08-29 00:48:25,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 17 transitions, 74 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 00:48:25,749 INFO L231 Difference]: Finished difference. Result has 25 places, 0 transitions, 0 flow [2023-08-29 00:48:25,750 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=25, PETRI_TRANSITIONS=0} [2023-08-29 00:48:25,752 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -25 predicate places. [2023-08-29 00:48:25,752 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 0 transitions, 0 flow [2023-08-29 00:48:25,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 73.5) internal successors, (147), 2 states have internal predecessors, (147), 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 00:48:25,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (39 of 40 remaining) [2023-08-29 00:48:25,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (38 of 40 remaining) [2023-08-29 00:48:25,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (37 of 40 remaining) [2023-08-29 00:48:25,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (36 of 40 remaining) [2023-08-29 00:48:25,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (35 of 40 remaining) [2023-08-29 00:48:25,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (34 of 40 remaining) [2023-08-29 00:48:25,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (33 of 40 remaining) [2023-08-29 00:48:25,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (32 of 40 remaining) [2023-08-29 00:48:25,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (31 of 40 remaining) [2023-08-29 00:48:25,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (30 of 40 remaining) [2023-08-29 00:48:25,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (29 of 40 remaining) [2023-08-29 00:48:25,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (28 of 40 remaining) [2023-08-29 00:48:25,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (27 of 40 remaining) [2023-08-29 00:48:25,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (26 of 40 remaining) [2023-08-29 00:48:25,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (25 of 40 remaining) [2023-08-29 00:48:25,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (24 of 40 remaining) [2023-08-29 00:48:25,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (23 of 40 remaining) [2023-08-29 00:48:25,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 40 remaining) [2023-08-29 00:48:25,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (21 of 40 remaining) [2023-08-29 00:48:25,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 40 remaining) [2023-08-29 00:48:25,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (19 of 40 remaining) [2023-08-29 00:48:25,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (18 of 40 remaining) [2023-08-29 00:48:25,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (17 of 40 remaining) [2023-08-29 00:48:25,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 40 remaining) [2023-08-29 00:48:25,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 40 remaining) [2023-08-29 00:48:25,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 40 remaining) [2023-08-29 00:48:25,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (13 of 40 remaining) [2023-08-29 00:48:25,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (12 of 40 remaining) [2023-08-29 00:48:25,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (11 of 40 remaining) [2023-08-29 00:48:25,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (10 of 40 remaining) [2023-08-29 00:48:25,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (9 of 40 remaining) [2023-08-29 00:48:25,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (8 of 40 remaining) [2023-08-29 00:48:25,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (7 of 40 remaining) [2023-08-29 00:48:25,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (6 of 40 remaining) [2023-08-29 00:48:25,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (5 of 40 remaining) [2023-08-29 00:48:25,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (4 of 40 remaining) [2023-08-29 00:48:25,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (3 of 40 remaining) [2023-08-29 00:48:25,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (2 of 40 remaining) [2023-08-29 00:48:25,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (1 of 40 remaining) [2023-08-29 00:48:25,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (0 of 40 remaining) [2023-08-29 00:48:25,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 00:48:25,761 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-29 00:48:25,770 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 00:48:25,771 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 00:48:25,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 12:48:25 BasicIcfg [2023-08-29 00:48:25,777 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 00:48:25,779 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 00:48:25,779 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 00:48:25,779 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 00:48:25,780 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 12:48:21" (3/4) ... [2023-08-29 00:48:25,781 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 00:48:25,784 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-08-29 00:48:25,785 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-08-29 00:48:25,785 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-08-29 00:48:25,793 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 88 nodes and edges [2023-08-29 00:48:25,794 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2023-08-29 00:48:25,794 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 00:48:25,794 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 00:48:25,834 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 00:48:25,835 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 00:48:25,835 INFO L158 Benchmark]: Toolchain (without parser) took 5440.89ms. Allocated memory was 65.0MB in the beginning and 104.9MB in the end (delta: 39.8MB). Free memory was 35.1MB in the beginning and 26.1MB in the end (delta: 9.0MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2023-08-29 00:48:25,835 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 65.0MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 00:48:25,836 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.74ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 34.9MB in the beginning and 56.6MB in the end (delta: -21.7MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2023-08-29 00:48:25,836 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.77ms. Allocated memory is still 86.0MB. Free memory was 56.6MB in the beginning and 54.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 00:48:25,836 INFO L158 Benchmark]: Boogie Preprocessor took 22.76ms. Allocated memory is still 86.0MB. Free memory was 54.5MB in the beginning and 52.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 00:48:25,836 INFO L158 Benchmark]: RCFGBuilder took 564.90ms. Allocated memory is still 86.0MB. Free memory was 52.7MB in the beginning and 53.8MB in the end (delta: -1.1MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2023-08-29 00:48:25,837 INFO L158 Benchmark]: TraceAbstraction took 4387.89ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 53.3MB in the beginning and 30.3MB in the end (delta: 23.0MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2023-08-29 00:48:25,837 INFO L158 Benchmark]: Witness Printer took 55.57ms. Allocated memory is still 104.9MB. Free memory was 30.3MB in the beginning and 26.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 00:48:25,839 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 65.0MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.74ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 34.9MB in the beginning and 56.6MB in the end (delta: -21.7MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.77ms. Allocated memory is still 86.0MB. Free memory was 56.6MB in the beginning and 54.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.76ms. Allocated memory is still 86.0MB. Free memory was 54.5MB in the beginning and 52.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 564.90ms. Allocated memory is still 86.0MB. Free memory was 52.7MB in the beginning and 53.8MB in the end (delta: -1.1MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4387.89ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 53.3MB in the beginning and 30.3MB in the end (delta: 23.0MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. * Witness Printer took 55.57ms. Allocated memory is still 104.9MB. Free memory was 30.3MB in the beginning and 26.1MB in the end (delta: 4.2MB). 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: 3.9s, 115 PlacesBefore, 50 PlacesAfterwards, 107 TransitionsBefore, 40 TransitionsAfterwards, 3704 CoEnabledTransitionPairs, 7 FixpointIterations, 19 TrivialSequentialCompositions, 60 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 89 TotalNumberOfCompositions, 14218 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4939, independent: 4606, independent conditional: 0, independent unconditional: 4606, dependent: 333, dependent conditional: 0, dependent unconditional: 333, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1895, independent: 1799, independent conditional: 0, independent unconditional: 1799, dependent: 96, dependent conditional: 0, dependent unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4939, independent: 2807, independent conditional: 0, independent unconditional: 2807, dependent: 237, dependent conditional: 0, dependent unconditional: 237, unknown: 1895, unknown conditional: 0, unknown unconditional: 1895] , Statistics on independence cache: Total cache size (in pairs): 319, Positive cache size: 283, Positive conditional cache size: 0, Positive unconditional cache size: 283, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: 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: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 757]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 760]: 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: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 795]: 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 7 procedures, 147 locations, 40 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.0s, 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, 17 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 17 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=89occurred 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, 0.0s 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 23 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 00:48:25,862 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