./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_47-refine-protected2_true.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/goblint-regression/13-privatized_47-refine-protected2_true.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 f7e90d4b6ab0561c00fafe8b5db7dd972e67889e2cb8e9e72502cd51ce4f0a76 --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 02:39:34,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 02:39:34,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 02:39:34,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 02:39:34,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 02:39:34,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 02:39:34,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 02:39:34,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 02:39:34,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 02:39:34,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 02:39:34,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 02:39:34,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 02:39:34,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 02:39:34,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 02:39:34,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 02:39:34,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 02:39:34,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 02:39:34,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 02:39:34,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 02:39:34,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 02:39:34,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 02:39:34,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 02:39:34,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 02:39:34,295 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 02:39:34,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 02:39:34,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 02:39:34,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 02:39:34,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 02:39:34,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 02:39:34,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 02:39:34,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 02:39:34,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 02:39:34,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 02:39:34,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 02:39:34,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 02:39:34,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 02:39:34,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 02:39:34,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 02:39:34,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 02:39:34,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 02:39:34,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 02:39:34,312 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 02:39:34,338 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 02:39:34,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 02:39:34,339 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 02:39:34,339 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 02:39:34,341 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 02:39:34,341 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 02:39:34,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 02:39:34,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 02:39:34,342 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 02:39:34,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 02:39:34,343 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 02:39:34,343 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 02:39:34,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 02:39:34,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 02:39:34,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 02:39:34,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 02:39:34,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 02:39:34,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 02:39:34,344 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 02:39:34,344 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 02:39:34,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 02:39:34,344 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 02:39:34,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 02:39:34,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 02:39:34,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 02:39:34,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 02:39:34,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 02:39:34,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 02:39:34,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 02:39:34,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 02:39:34,346 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 02:39:34,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 02:39:34,346 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 02:39:34,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 02:39:34,346 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 02:39:34,346 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 02:39:34,346 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 02:39:34,347 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7e90d4b6ab0561c00fafe8b5db7dd972e67889e2cb8e9e72502cd51ce4f0a76 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 02:39:34,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 02:39:34,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 02:39:34,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 02:39:34,645 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 02:39:34,646 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 02:39:34,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_47-refine-protected2_true.i [2023-08-29 02:39:35,659 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 02:39:35,827 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 02:39:35,827 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_47-refine-protected2_true.i [2023-08-29 02:39:35,834 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/960e841ec/7e8558d8b4fa4d2d83f25259e015df27/FLAGa1e0e12ea [2023-08-29 02:39:35,844 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/960e841ec/7e8558d8b4fa4d2d83f25259e015df27 [2023-08-29 02:39:35,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 02:39:35,847 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 02:39:35,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 02:39:35,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 02:39:35,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 02:39:35,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:39:35" (1/1) ... [2023-08-29 02:39:35,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bde108b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:39:35, skipping insertion in model container [2023-08-29 02:39:35,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:39:35" (1/1) ... [2023-08-29 02:39:35,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 02:39:35,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 02:39:35,985 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_47-refine-protected2_true.i[1094,1107] [2023-08-29 02:39:36,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 02:39:36,098 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 02:39:36,108 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_47-refine-protected2_true.i[1094,1107] [2023-08-29 02:39:36,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 02:39:36,161 INFO L208 MainTranslator]: Completed translation [2023-08-29 02:39:36,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:39:36 WrapperNode [2023-08-29 02:39:36,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 02:39:36,162 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 02:39:36,162 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 02:39:36,162 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 02:39:36,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:39:36" (1/1) ... [2023-08-29 02:39:36,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:39:36" (1/1) ... [2023-08-29 02:39:36,203 INFO L138 Inliner]: procedures = 162, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2023-08-29 02:39:36,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 02:39:36,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 02:39:36,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 02:39:36,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 02:39:36,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:39:36" (1/1) ... [2023-08-29 02:39:36,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:39:36" (1/1) ... [2023-08-29 02:39:36,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:39:36" (1/1) ... [2023-08-29 02:39:36,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:39:36" (1/1) ... [2023-08-29 02:39:36,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:39:36" (1/1) ... [2023-08-29 02:39:36,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:39:36" (1/1) ... [2023-08-29 02:39:36,239 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:39:36" (1/1) ... [2023-08-29 02:39:36,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:39:36" (1/1) ... [2023-08-29 02:39:36,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 02:39:36,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 02:39:36,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 02:39:36,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 02:39:36,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:39:36" (1/1) ... [2023-08-29 02:39:36,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 02:39:36,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 02:39:36,271 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 02:39:36,286 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 02:39:36,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 02:39:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 02:39:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 02:39:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 02:39:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 02:39:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 02:39:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 02:39:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 02:39:36,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 02:39:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 02:39:36,301 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 02:39:36,437 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 02:39:36,438 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 02:39:36,549 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 02:39:36,554 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 02:39:36,554 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 02:39:36,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:39:36 BoogieIcfgContainer [2023-08-29 02:39:36,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 02:39:36,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 02:39:36,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 02:39:36,560 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 02:39:36,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 02:39:35" (1/3) ... [2023-08-29 02:39:36,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc65b89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:39:36, skipping insertion in model container [2023-08-29 02:39:36,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:39:36" (2/3) ... [2023-08-29 02:39:36,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc65b89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:39:36, skipping insertion in model container [2023-08-29 02:39:36,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:39:36" (3/3) ... [2023-08-29 02:39:36,562 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_47-refine-protected2_true.i [2023-08-29 02:39:36,568 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 02:39:36,575 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 02:39:36,576 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-29 02:39:36,576 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 02:39:36,606 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 02:39:36,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 73 places, 72 transitions, 149 flow [2023-08-29 02:39:36,654 INFO L130 PetriNetUnfolder]: 3/71 cut-off events. [2023-08-29 02:39:36,654 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:39:36,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 71 events. 3/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 83 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2023-08-29 02:39:36,662 INFO L82 GeneralOperation]: Start removeDead. Operand has 73 places, 72 transitions, 149 flow [2023-08-29 02:39:36,665 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 72 places, 71 transitions, 145 flow [2023-08-29 02:39:36,667 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 02:39:36,674 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 71 transitions, 145 flow [2023-08-29 02:39:36,676 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 71 transitions, 145 flow [2023-08-29 02:39:36,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 72 places, 71 transitions, 145 flow [2023-08-29 02:39:36,689 INFO L130 PetriNetUnfolder]: 3/71 cut-off events. [2023-08-29 02:39:36,692 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:39:36,693 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 71 events. 3/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 83 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2023-08-29 02:39:36,694 INFO L119 LiptonReduction]: Number of co-enabled transitions 888 [2023-08-29 02:39:38,095 INFO L134 LiptonReduction]: Checked pairs total: 3285 [2023-08-29 02:39:38,095 INFO L136 LiptonReduction]: Total number of compositions: 56 [2023-08-29 02:39:38,105 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 02:39:38,109 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;@19e603db, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 02:39:38,109 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-08-29 02:39:38,111 INFO L130 PetriNetUnfolder]: 0/7 cut-off events. [2023-08-29 02:39:38,112 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:39:38,112 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:39:38,112 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 02:39:38,112 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-08-29 02:39:38,116 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:39:38,116 INFO L85 PathProgramCache]: Analyzing trace with hash 243564951, now seen corresponding path program 1 times [2023-08-29 02:39:38,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:39:38,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655259216] [2023-08-29 02:39:38,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:39:38,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:39:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:39:38,246 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 02:39:38,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:39:38,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655259216] [2023-08-29 02:39:38,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655259216] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:39:38,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:39:38,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:39:38,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298523915] [2023-08-29 02:39:38,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:39:38,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:39:38,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:39:38,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:39:38,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:39:38,288 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 128 [2023-08-29 02:39:38,290 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 26 transitions, 55 flow. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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 02:39:38,290 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:39:38,291 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 128 [2023-08-29 02:39:38,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:39:38,363 INFO L130 PetriNetUnfolder]: 80/206 cut-off events. [2023-08-29 02:39:38,363 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:39:38,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 394 conditions, 206 events. 80/206 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 894 event pairs, 11 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 385. Up to 111 conditions per place. [2023-08-29 02:39:38,366 INFO L137 encePairwiseOnDemand]: 117/128 looper letters, 26 selfloop transitions, 7 changer transitions 2/38 dead transitions. [2023-08-29 02:39:38,366 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 38 transitions, 149 flow [2023-08-29 02:39:38,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:39:38,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:39:38,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 211 transitions. [2023-08-29 02:39:38,377 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5494791666666666 [2023-08-29 02:39:38,377 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 211 transitions. [2023-08-29 02:39:38,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 211 transitions. [2023-08-29 02:39:38,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:39:38,381 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 211 transitions. [2023-08-29 02:39:38,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 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 02:39:38,396 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 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 02:39:38,397 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 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 02:39:38,398 INFO L175 Difference]: Start difference. First operand has 28 places, 26 transitions, 55 flow. Second operand 3 states and 211 transitions. [2023-08-29 02:39:38,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 38 transitions, 149 flow [2023-08-29 02:39:38,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 38 transitions, 148 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 02:39:38,401 INFO L231 Difference]: Finished difference. Result has 30 places, 30 transitions, 108 flow [2023-08-29 02:39:38,402 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=108, PETRI_PLACES=30, PETRI_TRANSITIONS=30} [2023-08-29 02:39:38,404 INFO L281 CegarLoopForPetriNet]: 28 programPoint places, 2 predicate places. [2023-08-29 02:39:38,404 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 30 transitions, 108 flow [2023-08-29 02:39:38,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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 02:39:38,405 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:39:38,405 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 02:39:38,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 02:39:38,405 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-08-29 02:39:38,406 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:39:38,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1040078922, now seen corresponding path program 1 times [2023-08-29 02:39:38,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:39:38,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729346688] [2023-08-29 02:39:38,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:39:38,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:39:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:39:38,439 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 02:39:38,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:39:38,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729346688] [2023-08-29 02:39:38,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729346688] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:39:38,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:39:38,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:39:38,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956772167] [2023-08-29 02:39:38,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:39:38,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:39:38,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:39:38,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:39:38,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:39:38,453 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 128 [2023-08-29 02:39:38,454 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 30 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 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 02:39:38,454 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:39:38,454 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 128 [2023-08-29 02:39:38,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:39:38,486 INFO L130 PetriNetUnfolder]: 73/191 cut-off events. [2023-08-29 02:39:38,487 INFO L131 PetriNetUnfolder]: For 64/64 co-relation queries the response was YES. [2023-08-29 02:39:38,487 INFO L83 FinitePrefix]: Finished finitePrefix Result has 443 conditions, 191 events. 73/191 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 850 event pairs, 31 based on Foata normal form. 0/169 useless extension candidates. Maximal degree in co-relation 433. Up to 139 conditions per place. [2023-08-29 02:39:38,488 INFO L137 encePairwiseOnDemand]: 122/128 looper letters, 15 selfloop transitions, 8 changer transitions 9/41 dead transitions. [2023-08-29 02:39:38,488 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 41 transitions, 206 flow [2023-08-29 02:39:38,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:39:38,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:39:38,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 203 transitions. [2023-08-29 02:39:38,489 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5286458333333334 [2023-08-29 02:39:38,490 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 203 transitions. [2023-08-29 02:39:38,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 203 transitions. [2023-08-29 02:39:38,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:39:38,490 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 203 transitions. [2023-08-29 02:39:38,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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 02:39:38,491 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 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 02:39:38,492 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 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 02:39:38,492 INFO L175 Difference]: Start difference. First operand has 30 places, 30 transitions, 108 flow. Second operand 3 states and 203 transitions. [2023-08-29 02:39:38,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 41 transitions, 206 flow [2023-08-29 02:39:38,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 41 transitions, 186 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 02:39:38,494 INFO L231 Difference]: Finished difference. Result has 31 places, 31 transitions, 130 flow [2023-08-29 02:39:38,494 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=130, PETRI_PLACES=31, PETRI_TRANSITIONS=31} [2023-08-29 02:39:38,494 INFO L281 CegarLoopForPetriNet]: 28 programPoint places, 3 predicate places. [2023-08-29 02:39:38,495 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 31 transitions, 130 flow [2023-08-29 02:39:38,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 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 02:39:38,495 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:39:38,495 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:39:38,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 02:39:38,495 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-08-29 02:39:38,496 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:39:38,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1224414594, now seen corresponding path program 1 times [2023-08-29 02:39:38,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:39:38,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845390127] [2023-08-29 02:39:38,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:39:38,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:39:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:39:38,571 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 02:39:38,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:39:38,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845390127] [2023-08-29 02:39:38,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845390127] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:39:38,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:39:38,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 02:39:38,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350967578] [2023-08-29 02:39:38,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:39:38,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:39:38,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:39:38,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:39:38,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:39:38,583 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 128 [2023-08-29 02:39:38,583 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 31 transitions, 130 flow. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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 02:39:38,583 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:39:38,583 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 128 [2023-08-29 02:39:38,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:39:38,597 INFO L130 PetriNetUnfolder]: 2/38 cut-off events. [2023-08-29 02:39:38,598 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2023-08-29 02:39:38,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 38 events. 2/38 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 59 event pairs, 0 based on Foata normal form. 7/43 useless extension candidates. Maximal degree in co-relation 82. Up to 14 conditions per place. [2023-08-29 02:39:38,598 INFO L137 encePairwiseOnDemand]: 123/128 looper letters, 0 selfloop transitions, 0 changer transitions 21/21 dead transitions. [2023-08-29 02:39:38,598 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 21 transitions, 101 flow [2023-08-29 02:39:38,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:39:38,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:39:38,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 200 transitions. [2023-08-29 02:39:38,599 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5208333333333334 [2023-08-29 02:39:38,599 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 200 transitions. [2023-08-29 02:39:38,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 200 transitions. [2023-08-29 02:39:38,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:39:38,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 200 transitions. [2023-08-29 02:39:38,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 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 02:39:38,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 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 02:39:38,602 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 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 02:39:38,602 INFO L175 Difference]: Start difference. First operand has 31 places, 31 transitions, 130 flow. Second operand 3 states and 200 transitions. [2023-08-29 02:39:38,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 21 transitions, 101 flow [2023-08-29 02:39:38,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 21 transitions, 76 flow, removed 8 selfloop flow, removed 3 redundant places. [2023-08-29 02:39:38,603 INFO L231 Difference]: Finished difference. Result has 26 places, 0 transitions, 0 flow [2023-08-29 02:39:38,603 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=26, PETRI_TRANSITIONS=0} [2023-08-29 02:39:38,604 INFO L281 CegarLoopForPetriNet]: 28 programPoint places, -2 predicate places. [2023-08-29 02:39:38,604 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 0 transitions, 0 flow [2023-08-29 02:39:38,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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 02:39:38,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2023-08-29 02:39:38,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining) [2023-08-29 02:39:38,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2023-08-29 02:39:38,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2023-08-29 02:39:38,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2023-08-29 02:39:38,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2023-08-29 02:39:38,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 02:39:38,607 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-08-29 02:39:38,611 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 02:39:38,611 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 02:39:38,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 02:39:38 BasicIcfg [2023-08-29 02:39:38,613 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 02:39:38,614 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 02:39:38,614 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 02:39:38,614 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 02:39:38,614 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:39:36" (3/4) ... [2023-08-29 02:39:38,616 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 02:39:38,619 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-08-29 02:39:38,621 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-08-29 02:39:38,622 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 02:39:38,622 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 02:39:38,622 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 02:39:38,644 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 02:39:38,644 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 02:39:38,645 INFO L158 Benchmark]: Toolchain (without parser) took 2798.16ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 63.0MB in the beginning and 52.0MB in the end (delta: 11.0MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2023-08-29 02:39:38,645 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 83.9MB. Free memory is still 61.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 02:39:38,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.23ms. Allocated memory is still 83.9MB. Free memory was 63.0MB in the beginning and 44.3MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-29 02:39:38,646 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.36ms. Allocated memory is still 83.9MB. Free memory was 44.3MB in the beginning and 42.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 02:39:38,646 INFO L158 Benchmark]: Boogie Preprocessor took 42.43ms. Allocated memory is still 83.9MB. Free memory was 42.3MB in the beginning and 41.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 02:39:38,646 INFO L158 Benchmark]: RCFGBuilder took 308.80ms. Allocated memory is still 83.9MB. Free memory was 40.8MB in the beginning and 55.9MB in the end (delta: -15.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-29 02:39:38,647 INFO L158 Benchmark]: TraceAbstraction took 2055.70ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 55.1MB in the beginning and 55.1MB in the end (delta: 11.4kB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2023-08-29 02:39:38,647 INFO L158 Benchmark]: Witness Printer took 30.87ms. Allocated memory is still 113.2MB. Free memory was 55.1MB in the beginning and 52.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 02:39:38,648 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 83.9MB. Free memory is still 61.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.23ms. Allocated memory is still 83.9MB. Free memory was 63.0MB in the beginning and 44.3MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.36ms. Allocated memory is still 83.9MB. Free memory was 44.3MB in the beginning and 42.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.43ms. Allocated memory is still 83.9MB. Free memory was 42.3MB in the beginning and 41.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 308.80ms. Allocated memory is still 83.9MB. Free memory was 40.8MB in the beginning and 55.9MB in the end (delta: -15.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2055.70ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 55.1MB in the beginning and 55.1MB in the end (delta: 11.4kB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * Witness Printer took 30.87ms. Allocated memory is still 113.2MB. Free memory was 55.1MB in the beginning and 52.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.4s, 72 PlacesBefore, 28 PlacesAfterwards, 71 TransitionsBefore, 26 TransitionsAfterwards, 888 CoEnabledTransitionPairs, 6 FixpointIterations, 20 TrivialSequentialCompositions, 24 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 1 ChoiceCompositions, 56 TotalNumberOfCompositions, 3285 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1126, independent: 853, independent conditional: 0, independent unconditional: 853, dependent: 273, dependent conditional: 0, dependent unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 483, independent: 434, independent conditional: 0, independent unconditional: 434, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1126, independent: 419, independent conditional: 0, independent unconditional: 419, dependent: 224, dependent conditional: 0, dependent unconditional: 224, unknown: 483, unknown conditional: 0, unknown unconditional: 483] , Statistics on independence cache: Total cache size (in pairs): 56, Positive cache size: 35, Positive conditional cache size: 0, Positive unconditional cache size: 35, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 694]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 685]: 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 3 procedures, 84 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 93 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 122 IncrementalHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 17 mSDtfsCounter, 122 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=2, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 02:39:38,667 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