./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --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-ext/28_buggy_simple_loop1_vf.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 f7757e6e73d857d492b029f13f86cb5d550622238e5a2b483c58ab6fc3ffdeb1 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 04:00:24,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 04:00:24,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 04:00:24,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 04:00:24,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 04:00:24,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 04:00:24,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 04:00:24,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 04:00:24,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 04:00:24,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 04:00:24,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 04:00:24,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 04:00:24,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 04:00:24,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 04:00:24,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 04:00:24,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 04:00:24,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 04:00:24,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 04:00:24,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 04:00:24,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 04:00:24,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 04:00:24,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 04:00:24,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 04:00:24,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 04:00:24,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 04:00:24,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 04:00:24,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 04:00:24,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 04:00:24,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 04:00:24,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 04:00:24,136 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 04:00:24,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 04:00:24,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 04:00:24,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 04:00:24,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 04:00:24,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 04:00:24,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 04:00:24,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 04:00:24,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 04:00:24,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 04:00:24,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 04:00:24,145 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 04:00:24,184 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 04:00:24,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 04:00:24,186 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 04:00:24,186 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 04:00:24,187 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 04:00:24,187 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 04:00:24,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 04:00:24,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 04:00:24,188 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 04:00:24,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 04:00:24,189 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 04:00:24,189 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 04:00:24,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 04:00:24,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 04:00:24,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 04:00:24,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 04:00:24,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 04:00:24,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 04:00:24,190 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 04:00:24,191 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 04:00:24,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 04:00:24,191 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 04:00:24,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 04:00:24,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 04:00:24,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 04:00:24,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 04:00:24,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 04:00:24,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 04:00:24,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 04:00:24,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 04:00:24,193 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 04:00:24,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 04:00:24,193 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 04:00:24,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 04:00:24,194 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 04:00:24,194 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 04:00:24,194 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 04:00:24,194 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7757e6e73d857d492b029f13f86cb5d550622238e5a2b483c58ab6fc3ffdeb1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 04:00:24,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 04:00:24,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 04:00:24,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 04:00:24,527 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 04:00:24,527 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 04:00:24,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i [2023-08-29 04:00:25,880 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 04:00:26,140 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 04:00:26,141 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i [2023-08-29 04:00:26,157 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ba0e342a/7dcedc39e4e24b78b22120f377dbf7c5/FLAG5f0d43e14 [2023-08-29 04:00:26,176 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ba0e342a/7dcedc39e4e24b78b22120f377dbf7c5 [2023-08-29 04:00:26,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 04:00:26,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 04:00:26,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 04:00:26,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 04:00:26,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 04:00:26,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:00:26" (1/1) ... [2023-08-29 04:00:26,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59822534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:00:26, skipping insertion in model container [2023-08-29 04:00:26,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:00:26" (1/1) ... [2023-08-29 04:00:26,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 04:00:26,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 04:00:26,586 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-ext/28_buggy_simple_loop1_vf.i[30287,30300] [2023-08-29 04:00:26,592 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 04:00:26,601 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 04:00:26,642 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-ext/28_buggy_simple_loop1_vf.i[30287,30300] [2023-08-29 04:00:26,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 04:00:26,684 INFO L208 MainTranslator]: Completed translation [2023-08-29 04:00:26,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:00:26 WrapperNode [2023-08-29 04:00:26,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 04:00:26,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 04:00:26,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 04:00:26,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 04:00:26,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:00:26" (1/1) ... [2023-08-29 04:00:26,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:00:26" (1/1) ... [2023-08-29 04:00:26,737 INFO L138 Inliner]: procedures = 167, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2023-08-29 04:00:26,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 04:00:26,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 04:00:26,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 04:00:26,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 04:00:26,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:00:26" (1/1) ... [2023-08-29 04:00:26,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:00:26" (1/1) ... [2023-08-29 04:00:26,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:00:26" (1/1) ... [2023-08-29 04:00:26,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:00:26" (1/1) ... [2023-08-29 04:00:26,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:00:26" (1/1) ... [2023-08-29 04:00:26,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:00:26" (1/1) ... [2023-08-29 04:00:26,782 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:00:26" (1/1) ... [2023-08-29 04:00:26,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:00:26" (1/1) ... [2023-08-29 04:00:26,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 04:00:26,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 04:00:26,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 04:00:26,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 04:00:26,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:00:26" (1/1) ... [2023-08-29 04:00:26,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 04:00:26,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 04:00:26,830 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 04:00:26,855 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 04:00:26,872 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-29 04:00:26,873 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-29 04:00:26,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 04:00:26,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 04:00:26,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 04:00:26,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 04:00:26,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 04:00:26,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 04:00:26,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 04:00:26,875 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 04:00:27,011 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 04:00:27,012 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 04:00:27,159 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 04:00:27,165 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 04:00:27,165 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-29 04:00:27,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:00:27 BoogieIcfgContainer [2023-08-29 04:00:27,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 04:00:27,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 04:00:27,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 04:00:27,172 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 04:00:27,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:00:26" (1/3) ... [2023-08-29 04:00:27,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66f31079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:00:27, skipping insertion in model container [2023-08-29 04:00:27,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:00:26" (2/3) ... [2023-08-29 04:00:27,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66f31079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:00:27, skipping insertion in model container [2023-08-29 04:00:27,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:00:27" (3/3) ... [2023-08-29 04:00:27,175 INFO L112 eAbstractionObserver]: Analyzing ICFG 28_buggy_simple_loop1_vf.i [2023-08-29 04:00:27,183 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 04:00:27,191 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 04:00:27,192 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-08-29 04:00:27,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66f31079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 04:00:27, skipping insertion in model container [2023-08-29 04:00:27,193 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 04:00:27,194 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 04:00:27,194 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 04:00:27,194 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 04:00:27,194 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:00:27" (3/3) ... [2023-08-29 04:00:27,197 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 04:00:27,203 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2023-08-29 04:00:27,206 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-08-29 04:00:27,206 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 04:00:27,206 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-08-29 04:00:27,206 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 04:00:27,234 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 04:00:27,234 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 04:00:27,238 INFO L158 Benchmark]: Toolchain (without parser) took 1055.85ms. Allocated memory is still 73.4MB. Free memory was 44.0MB in the beginning and 43.0MB in the end (delta: 1.0MB). Peak memory consumption was 735.9kB. Max. memory is 16.1GB. [2023-08-29 04:00:27,239 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 56.6MB. Free memory was 34.5MB in the beginning and 34.5MB in the end (delta: 54.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 04:00:27,243 INFO L158 Benchmark]: CACSL2BoogieTranslator took 503.34ms. Allocated memory is still 73.4MB. Free memory was 43.9MB in the beginning and 42.6MB in the end (delta: 1.3MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-08-29 04:00:27,244 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.16ms. Allocated memory is still 73.4MB. Free memory was 42.6MB in the beginning and 40.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 04:00:27,244 INFO L158 Benchmark]: Boogie Preprocessor took 50.85ms. Allocated memory is still 73.4MB. Free memory was 40.6MB in the beginning and 39.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 04:00:27,245 INFO L158 Benchmark]: RCFGBuilder took 374.98ms. Allocated memory is still 73.4MB. Free memory was 39.4MB in the beginning and 48.0MB in the end (delta: -8.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-29 04:00:27,245 INFO L158 Benchmark]: TraceAbstraction took 24.24ms. Allocated memory is still 73.4MB. Free memory was 47.3MB in the beginning and 45.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 04:00:27,246 INFO L158 Benchmark]: Witness Printer took 40.72ms. Allocated memory is still 73.4MB. Free memory was 45.4MB in the beginning and 43.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 04:00:27,254 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 56.6MB. Free memory was 34.5MB in the beginning and 34.5MB in the end (delta: 54.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 503.34ms. Allocated memory is still 73.4MB. Free memory was 43.9MB in the beginning and 42.6MB in the end (delta: 1.3MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.16ms. Allocated memory is still 73.4MB. Free memory was 42.6MB in the beginning and 40.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.85ms. Allocated memory is still 73.4MB. Free memory was 40.6MB in the beginning and 39.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 374.98ms. Allocated memory is still 73.4MB. Free memory was 39.4MB in the beginning and 48.0MB in the end (delta: -8.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 24.24ms. Allocated memory is still 73.4MB. Free memory was 47.3MB in the beginning and 45.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 40.72ms. Allocated memory is still 73.4MB. Free memory was 45.4MB in the beginning and 43.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-08-29 04:00:27,270 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