./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/04-mutex_15-funarg_nr.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/04-mutex_15-funarg_nr.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 df8b3c6576309918ab02364f32df18a2107bf04dd579248cd48dca03e33a8ed2 --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 01:58:17,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 01:58:17,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 01:58:17,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 01:58:17,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 01:58:17,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 01:58:17,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 01:58:17,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 01:58:17,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 01:58:17,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 01:58:17,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 01:58:17,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 01:58:17,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 01:58:17,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 01:58:17,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 01:58:17,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 01:58:17,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 01:58:17,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 01:58:17,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 01:58:17,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 01:58:17,272 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 01:58:17,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 01:58:17,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 01:58:17,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 01:58:17,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 01:58:17,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 01:58:17,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 01:58:17,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 01:58:17,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 01:58:17,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 01:58:17,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 01:58:17,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 01:58:17,290 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 01:58:17,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 01:58:17,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 01:58:17,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 01:58:17,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 01:58:17,293 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 01:58:17,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 01:58:17,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 01:58:17,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 01:58:17,296 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 01:58:17,329 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 01:58:17,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 01:58:17,331 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 01:58:17,331 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 01:58:17,332 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 01:58:17,332 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 01:58:17,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 01:58:17,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 01:58:17,333 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 01:58:17,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 01:58:17,334 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 01:58:17,335 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 01:58:17,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 01:58:17,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 01:58:17,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 01:58:17,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 01:58:17,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 01:58:17,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 01:58:17,336 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 01:58:17,336 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 01:58:17,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 01:58:17,337 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 01:58:17,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 01:58:17,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 01:58:17,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 01:58:17,338 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 01:58:17,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:58:17,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 01:58:17,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 01:58:17,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 01:58:17,339 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 01:58:17,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 01:58:17,339 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 01:58:17,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 01:58:17,340 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 01:58:17,340 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 01:58:17,340 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 01:58:17,341 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df8b3c6576309918ab02364f32df18a2107bf04dd579248cd48dca03e33a8ed2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 01:58:17,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 01:58:17,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 01:58:17,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 01:58:17,668 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 01:58:17,668 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 01:58:17,669 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_15-funarg_nr.i [2023-08-29 01:58:18,874 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 01:58:19,133 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 01:58:19,135 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_15-funarg_nr.i [2023-08-29 01:58:19,162 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b834aa5d/c256973951524ae09663ad34a89e6921/FLAGbcf74e604 [2023-08-29 01:58:19,174 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b834aa5d/c256973951524ae09663ad34a89e6921 [2023-08-29 01:58:19,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 01:58:19,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 01:58:19,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 01:58:19,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 01:58:19,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 01:58:19,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:58:19" (1/1) ... [2023-08-29 01:58:19,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@264a9d01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:58:19, skipping insertion in model container [2023-08-29 01:58:19,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:58:19" (1/1) ... [2023-08-29 01:58:19,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 01:58:19,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 01:58:19,578 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:58:19,599 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 01:58:19,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:58:19,717 INFO L208 MainTranslator]: Completed translation [2023-08-29 01:58:19,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:58:19 WrapperNode [2023-08-29 01:58:19,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 01:58:19,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 01:58:19,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 01:58:19,719 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 01:58:19,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:58:19" (1/1) ... [2023-08-29 01:58:19,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:58:19" (1/1) ... [2023-08-29 01:58:19,777 INFO L138 Inliner]: procedures = 263, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2023-08-29 01:58:19,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 01:58:19,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 01:58:19,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 01:58:19,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 01:58:19,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:58:19" (1/1) ... [2023-08-29 01:58:19,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:58:19" (1/1) ... [2023-08-29 01:58:19,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:58:19" (1/1) ... [2023-08-29 01:58:19,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:58:19" (1/1) ... [2023-08-29 01:58:19,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:58:19" (1/1) ... [2023-08-29 01:58:19,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:58:19" (1/1) ... [2023-08-29 01:58:19,820 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:58:19" (1/1) ... [2023-08-29 01:58:19,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:58:19" (1/1) ... [2023-08-29 01:58:19,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 01:58:19,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 01:58:19,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 01:58:19,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 01:58:19,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:58:19" (1/1) ... [2023-08-29 01:58:19,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:58:19,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:58:19,862 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 01:58:19,897 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 01:58:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 01:58:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 01:58:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 01:58:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 01:58:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 01:58:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 01:58:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 01:58:19,912 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 01:58:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 01:58:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 01:58:19,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 01:58:19,915 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 01:58:20,085 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 01:58:20,087 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 01:58:20,224 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 01:58:20,230 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 01:58:20,231 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 01:58:20,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:58:20 BoogieIcfgContainer [2023-08-29 01:58:20,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 01:58:20,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 01:58:20,234 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 01:58:20,237 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 01:58:20,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 01:58:19" (1/3) ... [2023-08-29 01:58:20,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cec2c59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:58:20, skipping insertion in model container [2023-08-29 01:58:20,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:58:19" (2/3) ... [2023-08-29 01:58:20,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cec2c59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:58:20, skipping insertion in model container [2023-08-29 01:58:20,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:58:20" (3/3) ... [2023-08-29 01:58:20,239 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_15-funarg_nr.i [2023-08-29 01:58:20,247 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 01:58:20,255 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 01:58:20,256 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-08-29 01:58:20,256 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 01:58:20,307 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-29 01:58:20,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 92 places, 88 transitions, 184 flow [2023-08-29 01:58:20,407 INFO L130 PetriNetUnfolder]: 0/87 cut-off events. [2023-08-29 01:58:20,408 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 01:58:20,411 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 87 events. 0/87 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 39 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-08-29 01:58:20,411 INFO L82 GeneralOperation]: Start removeDead. Operand has 92 places, 88 transitions, 184 flow [2023-08-29 01:58:20,418 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 84 places, 80 transitions, 163 flow [2023-08-29 01:58:20,421 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 01:58:20,440 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 80 transitions, 163 flow [2023-08-29 01:58:20,450 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 80 transitions, 163 flow [2023-08-29 01:58:20,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 84 places, 80 transitions, 163 flow [2023-08-29 01:58:20,481 INFO L130 PetriNetUnfolder]: 0/80 cut-off events. [2023-08-29 01:58:20,481 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:58:20,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 80 events. 0/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 39 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-29 01:58:20,484 INFO L119 LiptonReduction]: Number of co-enabled transitions 900 [2023-08-29 01:58:22,880 INFO L134 LiptonReduction]: Checked pairs total: 3378 [2023-08-29 01:58:22,880 INFO L136 LiptonReduction]: Total number of compositions: 58 [2023-08-29 01:58:22,892 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 01:58:22,897 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;@1d741814, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 01:58:22,898 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-08-29 01:58:22,901 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2023-08-29 01:58:22,901 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:58:22,902 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:58:22,902 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 01:58:22,903 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-29 01:58:22,906 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:58:22,907 INFO L85 PathProgramCache]: Analyzing trace with hash 267314793, now seen corresponding path program 1 times [2023-08-29 01:58:22,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:58:22,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701559217] [2023-08-29 01:58:22,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:58:22,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:58:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:58:23,133 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 01:58:23,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:58:23,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701559217] [2023-08-29 01:58:23,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701559217] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:58:23,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:58:23,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:58:23,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686018168] [2023-08-29 01:58:23,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:58:23,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:58:23,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:58:23,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:58:23,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:58:23,195 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 146 [2023-08-29 01:58:23,200 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 23 transitions, 49 flow. Second operand has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 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 01:58:23,200 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:58:23,200 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 146 [2023-08-29 01:58:23,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:58:23,279 INFO L130 PetriNetUnfolder]: 48/149 cut-off events. [2023-08-29 01:58:23,279 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:58:23,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 275 conditions, 149 events. 48/149 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 572 event pairs, 17 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 266. Up to 87 conditions per place. [2023-08-29 01:58:23,284 INFO L137 encePairwiseOnDemand]: 136/146 looper letters, 20 selfloop transitions, 6 changer transitions 1/31 dead transitions. [2023-08-29 01:58:23,284 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 31 transitions, 119 flow [2023-08-29 01:58:23,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:58:23,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:58:23,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 260 transitions. [2023-08-29 01:58:23,299 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.593607305936073 [2023-08-29 01:58:23,299 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 260 transitions. [2023-08-29 01:58:23,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 260 transitions. [2023-08-29 01:58:23,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:58:23,303 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 260 transitions. [2023-08-29 01:58:23,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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 01:58:23,309 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 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 01:58:23,310 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 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 01:58:23,311 INFO L175 Difference]: Start difference. First operand has 27 places, 23 transitions, 49 flow. Second operand 3 states and 260 transitions. [2023-08-29 01:58:23,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 31 transitions, 119 flow [2023-08-29 01:58:23,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 31 transitions, 118 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:58:23,315 INFO L231 Difference]: Finished difference. Result has 28 places, 26 transitions, 92 flow [2023-08-29 01:58:23,317 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=146, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=28, PETRI_TRANSITIONS=26} [2023-08-29 01:58:23,320 INFO L281 CegarLoopForPetriNet]: 27 programPoint places, 1 predicate places. [2023-08-29 01:58:23,320 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 26 transitions, 92 flow [2023-08-29 01:58:23,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 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 01:58:23,321 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:58:23,321 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:58:23,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 01:58:23,321 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-29 01:58:23,322 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:58:23,322 INFO L85 PathProgramCache]: Analyzing trace with hash 705875728, now seen corresponding path program 1 times [2023-08-29 01:58:23,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:58:23,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275109354] [2023-08-29 01:58:23,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:58:23,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:58:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:58:23,372 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 01:58:23,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:58:23,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275109354] [2023-08-29 01:58:23,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275109354] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:58:23,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:58:23,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:58:23,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108315668] [2023-08-29 01:58:23,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:58:23,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:58:23,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:58:23,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:58:23,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:58:23,392 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 146 [2023-08-29 01:58:23,392 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 26 transitions, 92 flow. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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 01:58:23,393 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:58:23,393 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 146 [2023-08-29 01:58:23,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:58:23,493 INFO L130 PetriNetUnfolder]: 50/157 cut-off events. [2023-08-29 01:58:23,494 INFO L131 PetriNetUnfolder]: For 54/56 co-relation queries the response was YES. [2023-08-29 01:58:23,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 360 conditions, 157 events. 50/157 cut-off events. For 54/56 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 636 event pairs, 18 based on Foata normal form. 2/152 useless extension candidates. Maximal degree in co-relation 350. Up to 89 conditions per place. [2023-08-29 01:58:23,495 INFO L137 encePairwiseOnDemand]: 140/146 looper letters, 15 selfloop transitions, 5 changer transitions 6/34 dead transitions. [2023-08-29 01:58:23,495 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 34 transitions, 168 flow [2023-08-29 01:58:23,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:58:23,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:58:23,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 256 transitions. [2023-08-29 01:58:23,498 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5844748858447488 [2023-08-29 01:58:23,498 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 256 transitions. [2023-08-29 01:58:23,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 256 transitions. [2023-08-29 01:58:23,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:58:23,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 256 transitions. [2023-08-29 01:58:23,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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 01:58:23,501 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 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 01:58:23,501 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 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 01:58:23,515 INFO L175 Difference]: Start difference. First operand has 28 places, 26 transitions, 92 flow. Second operand 3 states and 256 transitions. [2023-08-29 01:58:23,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 34 transitions, 168 flow [2023-08-29 01:58:23,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 34 transitions, 152 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 01:58:23,517 INFO L231 Difference]: Finished difference. Result has 30 places, 27 transitions, 112 flow [2023-08-29 01:58:23,517 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=146, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=30, PETRI_TRANSITIONS=27} [2023-08-29 01:58:23,518 INFO L281 CegarLoopForPetriNet]: 27 programPoint places, 3 predicate places. [2023-08-29 01:58:23,518 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 27 transitions, 112 flow [2023-08-29 01:58:23,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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 01:58:23,519 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:58:23,519 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:58:23,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 01:58:23,519 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-08-29 01:58:23,520 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:58:23,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1111446238, now seen corresponding path program 1 times [2023-08-29 01:58:23,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:58:23,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647974586] [2023-08-29 01:58:23,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:58:23,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:58:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:58:23,622 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 01:58:23,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:58:23,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647974586] [2023-08-29 01:58:23,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647974586] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:58:23,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:58:23,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 01:58:23,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840551939] [2023-08-29 01:58:23,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:58:23,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:58:23,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:58:23,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:58:23,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:58:23,644 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 146 [2023-08-29 01:58:23,645 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 27 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 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 01:58:23,645 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:58:23,645 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 146 [2023-08-29 01:58:23,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:58:23,667 INFO L130 PetriNetUnfolder]: 0/42 cut-off events. [2023-08-29 01:58:23,668 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2023-08-29 01:58:23,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 42 events. 0/42 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 62 event pairs, 0 based on Foata normal form. 11/53 useless extension candidates. Maximal degree in co-relation 0. Up to 20 conditions per place. [2023-08-29 01:58:23,668 INFO L137 encePairwiseOnDemand]: 140/146 looper letters, 0 selfloop transitions, 0 changer transitions 19/19 dead transitions. [2023-08-29 01:58:23,669 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 19 transitions, 96 flow [2023-08-29 01:58:23,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:58:23,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:58:23,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions. [2023-08-29 01:58:23,671 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5776255707762558 [2023-08-29 01:58:23,671 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 253 transitions. [2023-08-29 01:58:23,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 253 transitions. [2023-08-29 01:58:23,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:58:23,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 253 transitions. [2023-08-29 01:58:23,672 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 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 01:58:23,673 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 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 01:58:23,674 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 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 01:58:23,674 INFO L175 Difference]: Start difference. First operand has 30 places, 27 transitions, 112 flow. Second operand 3 states and 253 transitions. [2023-08-29 01:58:23,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 19 transitions, 96 flow [2023-08-29 01:58:23,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 19 transitions, 78 flow, removed 5 selfloop flow, removed 4 redundant places. [2023-08-29 01:58:23,676 INFO L231 Difference]: Finished difference. Result has 25 places, 0 transitions, 0 flow [2023-08-29 01:58:23,676 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=146, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=25, PETRI_TRANSITIONS=0} [2023-08-29 01:58:23,676 INFO L281 CegarLoopForPetriNet]: 27 programPoint places, -2 predicate places. [2023-08-29 01:58:23,681 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 0 transitions, 0 flow [2023-08-29 01:58:23,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 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 01:58:23,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2023-08-29 01:58:23,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2023-08-29 01:58:23,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2023-08-29 01:58:23,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2023-08-29 01:58:23,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2023-08-29 01:58:23,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2023-08-29 01:58:23,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2023-08-29 01:58:23,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2023-08-29 01:58:23,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 01:58:23,685 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-08-29 01:58:23,690 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 01:58:23,690 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 01:58:23,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 01:58:23 BasicIcfg [2023-08-29 01:58:23,694 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 01:58:23,694 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 01:58:23,694 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 01:58:23,695 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 01:58:23,695 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:58:20" (3/4) ... [2023-08-29 01:58:23,697 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 01:58:23,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-08-29 01:58:23,706 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-08-29 01:58:23,707 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 01:58:23,707 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 01:58:23,740 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 01:58:23,740 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 01:58:23,741 INFO L158 Benchmark]: Toolchain (without parser) took 4564.02ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 33.4MB in the beginning and 29.8MB in the end (delta: 3.6MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-08-29 01:58:23,741 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 54.5MB. Free memory was 32.5MB in the beginning and 32.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 01:58:23,741 INFO L158 Benchmark]: CACSL2BoogieTranslator took 540.01ms. Allocated memory is still 67.1MB. Free memory was 33.2MB in the beginning and 23.2MB in the end (delta: 10.0MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2023-08-29 01:58:23,742 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.74ms. Allocated memory is still 67.1MB. Free memory was 23.2MB in the beginning and 44.7MB in the end (delta: -21.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 01:58:23,742 INFO L158 Benchmark]: Boogie Preprocessor took 51.80ms. Allocated memory is still 67.1MB. Free memory was 44.7MB in the beginning and 43.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 01:58:23,742 INFO L158 Benchmark]: RCFGBuilder took 401.79ms. Allocated memory is still 67.1MB. Free memory was 43.0MB in the beginning and 28.9MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-29 01:58:23,743 INFO L158 Benchmark]: TraceAbstraction took 3459.72ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 28.3MB in the beginning and 33.2MB in the end (delta: -5.0MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-08-29 01:58:23,743 INFO L158 Benchmark]: Witness Printer took 45.96ms. Allocated memory is still 81.8MB. Free memory was 33.2MB in the beginning and 29.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 01:58:23,745 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 54.5MB. Free memory was 32.5MB in the beginning and 32.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 540.01ms. Allocated memory is still 67.1MB. Free memory was 33.2MB in the beginning and 23.2MB in the end (delta: 10.0MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.74ms. Allocated memory is still 67.1MB. Free memory was 23.2MB in the beginning and 44.7MB in the end (delta: -21.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.80ms. Allocated memory is still 67.1MB. Free memory was 44.7MB in the beginning and 43.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 401.79ms. Allocated memory is still 67.1MB. Free memory was 43.0MB in the beginning and 28.9MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3459.72ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 28.3MB in the beginning and 33.2MB in the end (delta: -5.0MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Witness Printer took 45.96ms. Allocated memory is still 81.8MB. Free memory was 33.2MB in the beginning and 29.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.4s, 84 PlacesBefore, 27 PlacesAfterwards, 80 TransitionsBefore, 23 TransitionsAfterwards, 900 CoEnabledTransitionPairs, 6 FixpointIterations, 33 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 58 TotalNumberOfCompositions, 3378 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1420, independent: 1181, independent conditional: 0, independent unconditional: 1181, dependent: 239, dependent conditional: 0, dependent unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 461, independent: 423, independent conditional: 0, independent unconditional: 423, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1420, independent: 758, independent conditional: 0, independent unconditional: 758, dependent: 201, dependent conditional: 0, dependent unconditional: 201, unknown: 461, unknown conditional: 0, unknown unconditional: 461] , Statistics on independence cache: Total cache size (in pairs): 75, Positive cache size: 54, Positive conditional cache size: 0, Positive unconditional cache size: 54, 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: 934]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 937]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 939]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: 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, 106 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 91 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 119 IncrementalHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 20 mSDtfsCounter, 119 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=112occurred 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, 0.2s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 01:58:23,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE