./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 BEFORE --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 BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 20:40:20,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 20:40:20,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 20:40:20,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 20:40:20,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 20:40:20,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 20:40:20,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 20:40:20,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 20:40:20,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 20:40:20,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 20:40:20,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 20:40:20,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 20:40:20,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 20:40:20,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 20:40:20,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 20:40:20,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 20:40:20,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 20:40:20,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 20:40:20,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 20:40:20,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 20:40:20,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 20:40:21,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 20:40:21,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 20:40:21,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 20:40:21,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 20:40:21,006 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 20:40:21,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 20:40:21,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 20:40:21,008 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 20:40:21,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 20:40:21,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 20:40:21,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 20:40:21,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 20:40:21,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 20:40:21,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 20:40:21,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 20:40:21,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 20:40:21,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 20:40:21,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 20:40:21,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 20:40:21,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 20:40:21,016 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 20:40:21,042 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 20:40:21,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 20:40:21,043 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 20:40:21,043 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 20:40:21,044 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 20:40:21,044 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 20:40:21,044 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 20:40:21,044 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 20:40:21,045 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 20:40:21,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 20:40:21,045 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 20:40:21,045 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 20:40:21,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 20:40:21,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 20:40:21,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 20:40:21,046 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 20:40:21,046 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 20:40:21,046 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 20:40:21,046 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 20:40:21,047 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 20:40:21,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 20:40:21,047 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 20:40:21,047 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 20:40:21,047 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 20:40:21,047 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 20:40:21,047 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 20:40:21,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 20:40:21,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 20:40:21,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 20:40:21,048 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 20:40:21,048 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 20:40:21,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 20:40:21,049 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 20:40:21,049 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 20:40:21,049 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 20:40:21,049 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 20:40:21,049 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 20:40:21,049 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7e90d4b6ab0561c00fafe8b5db7dd972e67889e2cb8e9e72502cd51ce4f0a76 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 20:40:21,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 20:40:21,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 20:40:21,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 20:40:21,263 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 20:40:21,263 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 20:40:21,264 INFO L432 ainManager$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 [2023-08-31 20:40:22,136 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 20:40:22,326 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 20:40:22,326 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_47-refine-protected2_true.i [2023-08-31 20:40:22,334 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99d2bbec6/a49f9cbdb831400ab1f8d526ec766aa2/FLAGfdac321a6 [2023-08-31 20:40:22,342 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99d2bbec6/a49f9cbdb831400ab1f8d526ec766aa2 [2023-08-31 20:40:22,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 20:40:22,344 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 20:40:22,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 20:40:22,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 20:40:22,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 20:40:22,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 08:40:22" (1/1) ... [2023-08-31 20:40:22,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28132814 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:22, skipping insertion in model container [2023-08-31 20:40:22,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 08:40:22" (1/1) ... [2023-08-31 20:40:22,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 20:40:22,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 20:40:22,467 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] [2023-08-31 20:40:22,573 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 20:40:22,583 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 20:40:22,592 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] [2023-08-31 20:40:22,619 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 20:40:22,652 INFO L208 MainTranslator]: Completed translation [2023-08-31 20:40:22,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:22 WrapperNode [2023-08-31 20:40:22,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 20:40:22,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 20:40:22,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 20:40:22,654 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 20:40:22,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:22" (1/1) ... [2023-08-31 20:40:22,679 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:22" (1/1) ... [2023-08-31 20:40:22,694 INFO L138 Inliner]: procedures = 162, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2023-08-31 20:40:22,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 20:40:22,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 20:40:22,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 20:40:22,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 20:40:22,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:22" (1/1) ... [2023-08-31 20:40:22,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:22" (1/1) ... [2023-08-31 20:40:22,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:22" (1/1) ... [2023-08-31 20:40:22,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:22" (1/1) ... [2023-08-31 20:40:22,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:22" (1/1) ... [2023-08-31 20:40:22,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:22" (1/1) ... [2023-08-31 20:40:22,724 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:22" (1/1) ... [2023-08-31 20:40:22,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:22" (1/1) ... [2023-08-31 20:40:22,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 20:40:22,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 20:40:22,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 20:40:22,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 20:40:22,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:22" (1/1) ... [2023-08-31 20:40:22,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 20:40:22,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 20:40:22,754 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) [2023-08-31 20:40:22,758 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 [2023-08-31 20:40:22,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 20:40:22,779 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-31 20:40:22,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 20:40:22,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 20:40:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-31 20:40:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-31 20:40:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 20:40:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 20:40:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 20:40:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 20:40:22,782 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 20:40:22,923 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 20:40:22,937 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 20:40:23,081 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 20:40:23,086 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 20:40:23,087 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-31 20:40:23,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 08:40:23 BoogieIcfgContainer [2023-08-31 20:40:23,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 20:40:23,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 20:40:23,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 20:40:23,092 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 20:40:23,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 08:40:22" (1/3) ... [2023-08-31 20:40:23,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5201c23a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 08:40:23, skipping insertion in model container [2023-08-31 20:40:23,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:22" (2/3) ... [2023-08-31 20:40:23,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5201c23a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 08:40:23, skipping insertion in model container [2023-08-31 20:40:23,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 08:40:23" (3/3) ... [2023-08-31 20:40:23,094 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_47-refine-protected2_true.i [2023-08-31 20:40:23,099 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 20:40:23,105 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 20:40:23,106 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-31 20:40:23,106 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 20:40:23,154 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-31 20:40:23,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 73 places, 72 transitions, 149 flow [2023-08-31 20:40:23,241 INFO L130 PetriNetUnfolder]: 3/71 cut-off events. [2023-08-31 20:40:23,242 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 20:40:23,246 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. [2023-08-31 20:40:23,247 INFO L82 GeneralOperation]: Start removeDead. Operand has 73 places, 72 transitions, 149 flow [2023-08-31 20:40:23,250 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 72 places, 71 transitions, 145 flow [2023-08-31 20:40:23,254 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 20:40:23,263 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 71 transitions, 145 flow [2023-08-31 20:40:23,265 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 71 transitions, 145 flow [2023-08-31 20:40:23,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 72 places, 71 transitions, 145 flow [2023-08-31 20:40:23,287 INFO L130 PetriNetUnfolder]: 3/71 cut-off events. [2023-08-31 20:40:23,287 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 20:40:23,287 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. [2023-08-31 20:40:23,288 INFO L119 LiptonReduction]: Number of co-enabled transitions 888 [2023-08-31 20:40:24,631 INFO L134 LiptonReduction]: Checked pairs total: 3285 [2023-08-31 20:40:24,631 INFO L136 LiptonReduction]: Total number of compositions: 56 [2023-08-31 20:40:24,641 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 20:40:24,645 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;@71f63926, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 20:40:24,645 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-08-31 20:40:24,647 INFO L130 PetriNetUnfolder]: 0/7 cut-off events. [2023-08-31 20:40:24,647 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 20:40:24,647 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 20:40:24,647 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-31 20:40:24,647 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)] === [2023-08-31 20:40:24,650 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 20:40:24,650 INFO L85 PathProgramCache]: Analyzing trace with hash 243564951, now seen corresponding path program 1 times [2023-08-31 20:40:24,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 20:40:24,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255438695] [2023-08-31 20:40:24,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 20:40:24,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 20:40:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 20:40:24,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 20:40:24,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 20:40:24,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255438695] [2023-08-31 20:40:24,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255438695] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 20:40:24,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 20:40:24,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 20:40:24,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220804846] [2023-08-31 20:40:24,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 20:40:24,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 20:40:24,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 20:40:24,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 20:40:24,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 20:40:24,859 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 128 [2023-08-31 20:40:24,861 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) [2023-08-31 20:40:24,861 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 20:40:24,861 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 128 [2023-08-31 20:40:24,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 20:40:24,929 INFO L130 PetriNetUnfolder]: 80/206 cut-off events. [2023-08-31 20:40:24,929 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 20:40:24,931 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. [2023-08-31 20:40:24,933 INFO L137 encePairwiseOnDemand]: 117/128 looper letters, 26 selfloop transitions, 7 changer transitions 2/38 dead transitions. [2023-08-31 20:40:24,933 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 38 transitions, 149 flow [2023-08-31 20:40:24,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 20:40:24,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 20:40:24,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 211 transitions. [2023-08-31 20:40:24,944 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5494791666666666 [2023-08-31 20:40:24,945 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 211 transitions. [2023-08-31 20:40:24,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 211 transitions. [2023-08-31 20:40:24,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 20:40:24,948 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 211 transitions. [2023-08-31 20:40:24,952 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) [2023-08-31 20:40:24,957 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) [2023-08-31 20:40:24,957 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) [2023-08-31 20:40:24,958 INFO L175 Difference]: Start difference. First operand has 28 places, 26 transitions, 55 flow. Second operand 3 states and 211 transitions. [2023-08-31 20:40:24,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 38 transitions, 149 flow [2023-08-31 20:40:24,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 38 transitions, 148 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 20:40:24,962 INFO L231 Difference]: Finished difference. Result has 30 places, 30 transitions, 108 flow [2023-08-31 20:40:24,963 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} [2023-08-31 20:40:24,965 INFO L281 CegarLoopForPetriNet]: 28 programPoint places, 2 predicate places. [2023-08-31 20:40:24,966 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 30 transitions, 108 flow [2023-08-31 20:40:24,966 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) [2023-08-31 20:40:24,966 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 20:40:24,966 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-31 20:40:24,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 20:40:24,967 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)] === [2023-08-31 20:40:24,973 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 20:40:24,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1040078922, now seen corresponding path program 1 times [2023-08-31 20:40:24,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 20:40:24,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184377740] [2023-08-31 20:40:24,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 20:40:24,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 20:40:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 20:40:25,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 20:40:25,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 20:40:25,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184377740] [2023-08-31 20:40:25,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184377740] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 20:40:25,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 20:40:25,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 20:40:25,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957428272] [2023-08-31 20:40:25,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 20:40:25,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 20:40:25,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 20:40:25,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 20:40:25,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 20:40:25,028 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 128 [2023-08-31 20:40:25,029 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) [2023-08-31 20:40:25,029 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 20:40:25,029 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 128 [2023-08-31 20:40:25,029 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 20:40:25,061 INFO L130 PetriNetUnfolder]: 73/191 cut-off events. [2023-08-31 20:40:25,061 INFO L131 PetriNetUnfolder]: For 64/64 co-relation queries the response was YES. [2023-08-31 20:40:25,061 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. [2023-08-31 20:40:25,062 INFO L137 encePairwiseOnDemand]: 122/128 looper letters, 15 selfloop transitions, 8 changer transitions 9/41 dead transitions. [2023-08-31 20:40:25,062 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 41 transitions, 206 flow [2023-08-31 20:40:25,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 20:40:25,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 20:40:25,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 203 transitions. [2023-08-31 20:40:25,064 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5286458333333334 [2023-08-31 20:40:25,064 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 203 transitions. [2023-08-31 20:40:25,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 203 transitions. [2023-08-31 20:40:25,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 20:40:25,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 203 transitions. [2023-08-31 20:40:25,066 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) [2023-08-31 20:40:25,067 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) [2023-08-31 20:40:25,067 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) [2023-08-31 20:40:25,067 INFO L175 Difference]: Start difference. First operand has 30 places, 30 transitions, 108 flow. Second operand 3 states and 203 transitions. [2023-08-31 20:40:25,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 41 transitions, 206 flow [2023-08-31 20:40:25,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 41 transitions, 186 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 20:40:25,070 INFO L231 Difference]: Finished difference. Result has 31 places, 31 transitions, 130 flow [2023-08-31 20:40:25,070 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} [2023-08-31 20:40:25,070 INFO L281 CegarLoopForPetriNet]: 28 programPoint places, 3 predicate places. [2023-08-31 20:40:25,071 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 31 transitions, 130 flow [2023-08-31 20:40:25,071 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) [2023-08-31 20:40:25,071 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 20:40:25,071 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 20:40:25,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 20:40:25,071 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)] === [2023-08-31 20:40:25,071 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 20:40:25,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1224414594, now seen corresponding path program 1 times [2023-08-31 20:40:25,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 20:40:25,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230219833] [2023-08-31 20:40:25,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 20:40:25,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 20:40:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 20:40:25,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 20:40:25,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 20:40:25,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230219833] [2023-08-31 20:40:25,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230219833] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 20:40:25,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 20:40:25,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 20:40:25,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561079096] [2023-08-31 20:40:25,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 20:40:25,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 20:40:25,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 20:40:25,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 20:40:25,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 20:40:25,170 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 128 [2023-08-31 20:40:25,171 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) [2023-08-31 20:40:25,171 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 20:40:25,171 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 128 [2023-08-31 20:40:25,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 20:40:25,199 INFO L130 PetriNetUnfolder]: 2/38 cut-off events. [2023-08-31 20:40:25,200 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2023-08-31 20:40:25,201 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. [2023-08-31 20:40:25,201 INFO L137 encePairwiseOnDemand]: 123/128 looper letters, 0 selfloop transitions, 0 changer transitions 21/21 dead transitions. [2023-08-31 20:40:25,201 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 21 transitions, 101 flow [2023-08-31 20:40:25,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 20:40:25,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 20:40:25,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 200 transitions. [2023-08-31 20:40:25,204 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5208333333333334 [2023-08-31 20:40:25,205 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 200 transitions. [2023-08-31 20:40:25,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 200 transitions. [2023-08-31 20:40:25,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 20:40:25,206 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 200 transitions. [2023-08-31 20:40:25,207 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) [2023-08-31 20:40:25,208 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) [2023-08-31 20:40:25,210 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) [2023-08-31 20:40:25,210 INFO L175 Difference]: Start difference. First operand has 31 places, 31 transitions, 130 flow. Second operand 3 states and 200 transitions. [2023-08-31 20:40:25,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 21 transitions, 101 flow [2023-08-31 20:40:25,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 21 transitions, 76 flow, removed 8 selfloop flow, removed 3 redundant places. [2023-08-31 20:40:25,212 INFO L231 Difference]: Finished difference. Result has 26 places, 0 transitions, 0 flow [2023-08-31 20:40:25,212 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} [2023-08-31 20:40:25,213 INFO L281 CegarLoopForPetriNet]: 28 programPoint places, -2 predicate places. [2023-08-31 20:40:25,213 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 0 transitions, 0 flow [2023-08-31 20:40:25,213 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) [2023-08-31 20:40:25,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2023-08-31 20:40:25,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining) [2023-08-31 20:40:25,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2023-08-31 20:40:25,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2023-08-31 20:40:25,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2023-08-31 20:40:25,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2023-08-31 20:40:25,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 20:40:25,218 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-08-31 20:40:25,223 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 20:40:25,223 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 20:40:25,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 08:40:25 BasicIcfg [2023-08-31 20:40:25,227 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 20:40:25,228 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 20:40:25,228 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 20:40:25,228 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 20:40:25,228 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 08:40:23" (3/4) ... [2023-08-31 20:40:25,230 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 20:40:25,233 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-08-31 20:40:25,237 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-08-31 20:40:25,237 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 20:40:25,237 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 20:40:25,237 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 20:40:25,269 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 20:40:25,270 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 20:40:25,271 INFO L158 Benchmark]: Toolchain (without parser) took 2925.99ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 54.7MB in the beginning and 64.8MB in the end (delta: -10.0MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2023-08-31 20:40:25,271 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 60.8MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 20:40:25,272 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.79ms. Allocated memory is still 77.6MB. Free memory was 54.5MB in the beginning and 56.1MB in the end (delta: -1.6MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2023-08-31 20:40:25,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.78ms. Allocated memory is still 77.6MB. Free memory was 56.1MB in the beginning and 54.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 20:40:25,272 INFO L158 Benchmark]: Boogie Preprocessor took 38.34ms. Allocated memory is still 77.6MB. Free memory was 54.0MB in the beginning and 52.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 20:40:25,273 INFO L158 Benchmark]: RCFGBuilder took 354.89ms. Allocated memory is still 77.6MB. Free memory was 52.7MB in the beginning and 40.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-31 20:40:25,275 INFO L158 Benchmark]: TraceAbstraction took 2137.41ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 39.4MB in the beginning and 67.7MB in the end (delta: -28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-08-31 20:40:25,275 INFO L158 Benchmark]: Witness Printer took 42.10ms. Allocated memory is still 94.4MB. Free memory was 67.7MB in the beginning and 64.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 20:40:25,277 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 60.8MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.79ms. Allocated memory is still 77.6MB. Free memory was 54.5MB in the beginning and 56.1MB in the end (delta: -1.6MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.78ms. Allocated memory is still 77.6MB. Free memory was 56.1MB in the beginning and 54.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.34ms. Allocated memory is still 77.6MB. Free memory was 54.0MB in the beginning and 52.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 354.89ms. Allocated memory is still 77.6MB. Free memory was 52.7MB in the beginning and 40.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2137.41ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 39.4MB in the beginning and 67.7MB in the end (delta: -28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 42.10ms. Allocated memory is still 94.4MB. Free memory was 67.7MB in the beginning and 64.8MB in the end (delta: 2.9MB). 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: 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, 0.2s 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! [2023-08-31 20:40:25,293 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