./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/test-easy1.wvr.c --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/weaver/test-easy1.wvr.c -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 fc27937a34d27b10c960489127716dfcbd25a3140e1829dbc6f42b419387a4e7 --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 03:45:53,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:45:53,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:45:54,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:45:54,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:45:54,039 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:45:54,041 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:45:54,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:45:54,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:45:54,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:45:54,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:45:54,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:45:54,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:45:54,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:45:54,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:45:54,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:45:54,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:45:54,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:45:54,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:45:54,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:45:54,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:45:54,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:45:54,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:45:54,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:45:54,074 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:45:54,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:45:54,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:45:54,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:45:54,078 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:45:54,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:45:54,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:45:54,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:45:54,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:45:54,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:45:54,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:45:54,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:45:54,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:45:54,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:45:54,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:45:54,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:45:54,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:45:54,085 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 03:45:54,112 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:45:54,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:45:54,113 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:45:54,114 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:45:54,114 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:45:54,115 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:45:54,115 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:45:54,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:45:54,115 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:45:54,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:45:54,116 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:45:54,116 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:45:54,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 03:45:54,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:45:54,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:45:54,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:45:54,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:45:54,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:45:54,118 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:45:54,118 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:45:54,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:45:54,118 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:45:54,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:45:54,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:45:54,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:45:54,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:45:54,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:45:54,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:45:54,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:45:54,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:45:54,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 03:45:54,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 03:45:54,120 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:45:54,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:45:54,121 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:45:54,121 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:45:54,121 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:45:54,121 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc27937a34d27b10c960489127716dfcbd25a3140e1829dbc6f42b419387a4e7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 03:45:54,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:45:54,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:45:54,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:45:54,448 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:45:54,449 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:45:54,450 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy1.wvr.c [2023-08-29 03:45:55,554 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:45:55,726 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:45:55,726 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy1.wvr.c [2023-08-29 03:45:55,731 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57c5bd8b0/6f51393085284adda90f1132d9e9806a/FLAG70b4b6554 [2023-08-29 03:45:55,745 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57c5bd8b0/6f51393085284adda90f1132d9e9806a [2023-08-29 03:45:55,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:45:55,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:45:55,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:45:55,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:45:55,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:45:55,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:45:55" (1/1) ... [2023-08-29 03:45:55,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a26c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:45:55, skipping insertion in model container [2023-08-29 03:45:55,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:45:55" (1/1) ... [2023-08-29 03:45:55,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:45:55,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:45:55,923 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy1.wvr.c[1876,1889] [2023-08-29 03:45:55,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:45:55,930 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:45:55,974 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy1.wvr.c[1876,1889] [2023-08-29 03:45:55,976 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:45:55,993 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:45:55,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:45:55 WrapperNode [2023-08-29 03:45:55,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:45:55,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:45:55,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:45:55,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:45:56,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:45:55" (1/1) ... [2023-08-29 03:45:56,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:45:55" (1/1) ... [2023-08-29 03:45:56,048 INFO L138 Inliner]: procedures = 21, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 90 [2023-08-29 03:45:56,048 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:45:56,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:45:56,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:45:56,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:45:56,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:45:55" (1/1) ... [2023-08-29 03:45:56,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:45:55" (1/1) ... [2023-08-29 03:45:56,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:45:55" (1/1) ... [2023-08-29 03:45:56,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:45:55" (1/1) ... [2023-08-29 03:45:56,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:45:55" (1/1) ... [2023-08-29 03:45:56,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:45:55" (1/1) ... [2023-08-29 03:45:56,095 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:45:55" (1/1) ... [2023-08-29 03:45:56,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:45:55" (1/1) ... [2023-08-29 03:45:56,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:45:56,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:45:56,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:45:56,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:45:56,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:45:55" (1/1) ... [2023-08-29 03:45:56,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:45:56,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:45:56,138 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 03:45:56,165 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 03:45:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:45:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 03:45:56,188 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 03:45:56,189 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 03:45:56,189 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 03:45:56,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 03:45:56,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:45:56,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 03:45:56,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:45:56,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:45:56,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 03:45:56,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:45:56,191 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 03:45:56,332 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:45:56,334 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:45:56,556 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:45:56,564 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:45:56,565 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-29 03:45:56,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:45:56 BoogieIcfgContainer [2023-08-29 03:45:56,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:45:56,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:45:56,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:45:56,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:45:56,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:45:55" (1/3) ... [2023-08-29 03:45:56,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@653a6fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:45:56, skipping insertion in model container [2023-08-29 03:45:56,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:45:55" (2/3) ... [2023-08-29 03:45:56,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@653a6fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:45:56, skipping insertion in model container [2023-08-29 03:45:56,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:45:56" (3/3) ... [2023-08-29 03:45:56,576 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy1.wvr.c [2023-08-29 03:45:56,584 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:45:56,592 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:45:56,592 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2023-08-29 03:45:56,593 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:45:56,694 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 03:45:56,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 141 places, 141 transitions, 298 flow [2023-08-29 03:45:56,821 INFO L130 PetriNetUnfolder]: 7/139 cut-off events. [2023-08-29 03:45:56,821 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 03:45:56,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 148 conditions, 139 events. 7/139 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 133 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place. [2023-08-29 03:45:56,826 INFO L82 GeneralOperation]: Start removeDead. Operand has 141 places, 141 transitions, 298 flow [2023-08-29 03:45:56,834 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 124 transitions, 260 flow [2023-08-29 03:45:56,837 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 03:45:56,848 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 124 transitions, 260 flow [2023-08-29 03:45:56,852 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 124 transitions, 260 flow [2023-08-29 03:45:56,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 125 places, 124 transitions, 260 flow [2023-08-29 03:45:56,893 INFO L130 PetriNetUnfolder]: 6/124 cut-off events. [2023-08-29 03:45:56,894 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 03:45:56,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 124 events. 6/124 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 130 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place. [2023-08-29 03:45:56,898 INFO L119 LiptonReduction]: Number of co-enabled transitions 1976 [2023-08-29 03:46:00,346 INFO L134 LiptonReduction]: Checked pairs total: 2108 [2023-08-29 03:46:00,346 INFO L136 LiptonReduction]: Total number of compositions: 157 [2023-08-29 03:46:00,360 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 03:46:00,365 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;@151b898f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 03:46:00,366 INFO L358 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2023-08-29 03:46:00,367 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 03:46:00,367 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 03:46:00,367 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:46:00,368 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 03:46:00,368 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-08-29 03:46:00,372 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:46:00,372 INFO L85 PathProgramCache]: Analyzing trace with hash 531, now seen corresponding path program 1 times [2023-08-29 03:46:00,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:46:00,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2285847] [2023-08-29 03:46:00,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:46:00,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:46:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:46:00,460 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 03:46:00,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:46:00,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2285847] [2023-08-29 03:46:00,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2285847] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:46:00,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:46:00,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 03:46:00,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282487406] [2023-08-29 03:46:00,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:46:00,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 03:46:00,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:46:00,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 03:46:00,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 03:46:00,492 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 298 [2023-08-29 03:46:00,494 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 27 transitions, 66 flow. Second operand has 2 states, 2 states have (on average 132.5) internal successors, (265), 2 states have internal predecessors, (265), 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 03:46:00,494 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:46:00,494 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 298 [2023-08-29 03:46:00,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:46:00,519 INFO L130 PetriNetUnfolder]: 21/39 cut-off events. [2023-08-29 03:46:00,519 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-08-29 03:46:00,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 39 events. 21/39 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 9 based on Foata normal form. 1/28 useless extension candidates. Maximal degree in co-relation 60. Up to 40 conditions per place. [2023-08-29 03:46:00,520 INFO L137 encePairwiseOnDemand]: 283/298 looper letters, 0 selfloop transitions, 0 changer transitions 12/12 dead transitions. [2023-08-29 03:46:00,521 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 12 transitions, 60 flow [2023-08-29 03:46:00,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 03:46:00,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 03:46:00,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 291 transitions. [2023-08-29 03:46:00,533 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48825503355704697 [2023-08-29 03:46:00,533 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 291 transitions. [2023-08-29 03:46:00,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 291 transitions. [2023-08-29 03:46:00,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:46:00,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 291 transitions. [2023-08-29 03:46:00,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 145.5) internal successors, (291), 2 states have internal predecessors, (291), 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 03:46:00,545 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 298.0) internal successors, (894), 3 states have internal predecessors, (894), 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 03:46:00,546 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 298.0) internal successors, (894), 3 states have internal predecessors, (894), 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 03:46:00,548 INFO L175 Difference]: Start difference. First operand has 32 places, 27 transitions, 66 flow. Second operand 2 states and 291 transitions. [2023-08-29 03:46:00,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 12 transitions, 60 flow [2023-08-29 03:46:00,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 14 places, 12 transitions, 52 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:46:00,551 INFO L231 Difference]: Finished difference. Result has 14 places, 0 transitions, 0 flow [2023-08-29 03:46:00,552 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=13, 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=14, PETRI_TRANSITIONS=0} [2023-08-29 03:46:00,555 INFO L281 CegarLoopForPetriNet]: 32 programPoint places, -18 predicate places. [2023-08-29 03:46:00,555 INFO L495 AbstractCegarLoop]: Abstraction has has 14 places, 0 transitions, 0 flow [2023-08-29 03:46:00,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 132.5) internal successors, (265), 2 states have internal predecessors, (265), 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 03:46:00,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (22 of 23 remaining) [2023-08-29 03:46:00,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (21 of 23 remaining) [2023-08-29 03:46:00,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (20 of 23 remaining) [2023-08-29 03:46:00,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (19 of 23 remaining) [2023-08-29 03:46:00,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (18 of 23 remaining) [2023-08-29 03:46:00,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (17 of 23 remaining) [2023-08-29 03:46:00,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 23 remaining) [2023-08-29 03:46:00,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 23 remaining) [2023-08-29 03:46:00,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (14 of 23 remaining) [2023-08-29 03:46:00,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 23 remaining) [2023-08-29 03:46:00,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (12 of 23 remaining) [2023-08-29 03:46:00,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (11 of 23 remaining) [2023-08-29 03:46:00,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (10 of 23 remaining) [2023-08-29 03:46:00,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (9 of 23 remaining) [2023-08-29 03:46:00,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (8 of 23 remaining) [2023-08-29 03:46:00,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 23 remaining) [2023-08-29 03:46:00,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 23 remaining) [2023-08-29 03:46:00,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (5 of 23 remaining) [2023-08-29 03:46:00,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (4 of 23 remaining) [2023-08-29 03:46:00,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (3 of 23 remaining) [2023-08-29 03:46:00,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (2 of 23 remaining) [2023-08-29 03:46:00,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 23 remaining) [2023-08-29 03:46:00,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (0 of 23 remaining) [2023-08-29 03:46:00,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 03:46:00,563 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-29 03:46:00,568 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 03:46:00,568 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 03:46:00,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:46:00 BasicIcfg [2023-08-29 03:46:00,572 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 03:46:00,572 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 03:46:00,572 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 03:46:00,572 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 03:46:00,573 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:45:56" (3/4) ... [2023-08-29 03:46:00,575 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 03:46:00,579 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 03:46:00,580 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 03:46:00,583 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-08-29 03:46:00,586 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 03:46:00,586 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 03:46:00,586 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 03:46:00,633 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 03:46:00,634 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 03:46:00,634 INFO L158 Benchmark]: Toolchain (without parser) took 4885.42ms. Allocated memory was 71.3MB in the beginning and 119.5MB in the end (delta: 48.2MB). Free memory was 42.5MB in the beginning and 81.0MB in the end (delta: -38.4MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-08-29 03:46:00,634 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:46:00,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.02ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 42.3MB in the beginning and 77.7MB in the end (delta: -35.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 03:46:00,635 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.41ms. Allocated memory is still 98.6MB. Free memory was 77.7MB in the beginning and 76.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:46:00,635 INFO L158 Benchmark]: Boogie Preprocessor took 51.47ms. Allocated memory is still 98.6MB. Free memory was 75.6MB in the beginning and 74.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:46:00,636 INFO L158 Benchmark]: RCFGBuilder took 466.48ms. Allocated memory is still 98.6MB. Free memory was 74.4MB in the beginning and 59.3MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-29 03:46:00,636 INFO L158 Benchmark]: TraceAbstraction took 4001.75ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 58.4MB in the beginning and 84.1MB in the end (delta: -25.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:46:00,637 INFO L158 Benchmark]: Witness Printer took 61.57ms. Allocated memory is still 119.5MB. Free memory was 84.1MB in the beginning and 81.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:46:00,638 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.02ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 42.3MB in the beginning and 77.7MB in the end (delta: -35.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.41ms. Allocated memory is still 98.6MB. Free memory was 77.7MB in the beginning and 76.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.47ms. Allocated memory is still 98.6MB. Free memory was 75.6MB in the beginning and 74.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 466.48ms. Allocated memory is still 98.6MB. Free memory was 74.4MB in the beginning and 59.3MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4001.75ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 58.4MB in the beginning and 84.1MB in the end (delta: -25.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 61.57ms. Allocated memory is still 119.5MB. Free memory was 84.1MB in the beginning and 81.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.5s, 125 PlacesBefore, 32 PlacesAfterwards, 124 TransitionsBefore, 27 TransitionsAfterwards, 1976 CoEnabledTransitionPairs, 9 FixpointIterations, 78 TrivialSequentialCompositions, 59 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 8 ConcurrentYvCompositions, 4 ChoiceCompositions, 157 TotalNumberOfCompositions, 2108 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2108, independent: 2108, independent conditional: 0, independent unconditional: 2108, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1111, independent: 1111, independent conditional: 0, independent unconditional: 1111, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2108, independent: 997, independent conditional: 0, independent unconditional: 997, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1111, unknown conditional: 0, unknown unconditional: 1111] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: 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, 173 locations, 23 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: 3.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred 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, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 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 15 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 03:46:00,671 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE