./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/36-apron_11-traces-max-simple_true.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_11-traces-max-simple_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 6ec45a8cc5eb531168b9afc45cc8af1360572640b5394bd745e0b1188f31bc79 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 03:19:16,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:19:16,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:19:16,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:19:16,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:19:16,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:19:16,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:19:16,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:19:16,688 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:19:16,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:19:16,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:19:16,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:19:16,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:19:16,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:19:16,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:19:16,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:19:16,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:19:16,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:19:16,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:19:16,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:19:16,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:19:16,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:19:16,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:19:16,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:19:16,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:19:16,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:19:16,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:19:16,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:19:16,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:19:16,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:19:16,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:19:16,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:19:16,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:19:16,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:19:16,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:19:16,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:19:16,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:19:16,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:19:16,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:19:16,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:19:16,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:19:16,749 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 03:19:16,779 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:19:16,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:19:16,780 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:19:16,781 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:19:16,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:19:16,782 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:19:16,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:19:16,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:19:16,783 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:19:16,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:19:16,784 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:19:16,784 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:19:16,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 03:19:16,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:19:16,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:19:16,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:19:16,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:19:16,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:19:16,785 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:19:16,785 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:19:16,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:19:16,786 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:19:16,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:19:16,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:19:16,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:19:16,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:19:16,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:19:16,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:19:16,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:19:16,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:19:16,788 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 03:19:16,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 03:19:16,788 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:19:16,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:19:16,789 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:19:16,789 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:19:16,789 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:19:16,789 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ec45a8cc5eb531168b9afc45cc8af1360572640b5394bd745e0b1188f31bc79 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 03:19:17,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:19:17,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:19:17,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:19:17,144 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:19:17,144 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:19:17,145 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_11-traces-max-simple_true.i [2023-08-29 03:19:18,401 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:19:18,659 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:19:18,661 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_11-traces-max-simple_true.i [2023-08-29 03:19:18,673 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/878357970/549bd778b52e4a859c460d1abfbdcce2/FLAG3c9b942a0 [2023-08-29 03:19:18,687 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/878357970/549bd778b52e4a859c460d1abfbdcce2 [2023-08-29 03:19:18,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:19:18,690 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:19:18,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:19:18,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:19:18,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:19:18,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:19:18" (1/1) ... [2023-08-29 03:19:18,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@291bae57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:19:18, skipping insertion in model container [2023-08-29 03:19:18,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:19:18" (1/1) ... [2023-08-29 03:19:18,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:19:18,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:19:18,929 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/36-apron_11-traces-max-simple_true.i[1089,1102] [2023-08-29 03:19:19,094 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:19:19,107 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:19:19,121 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/36-apron_11-traces-max-simple_true.i[1089,1102] [2023-08-29 03:19:19,154 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:19:19,210 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:19:19,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:19:19 WrapperNode [2023-08-29 03:19:19,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:19:19,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:19:19,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:19:19,212 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:19:19,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:19:19" (1/1) ... [2023-08-29 03:19:19,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:19:19" (1/1) ... [2023-08-29 03:19:19,290 INFO L138 Inliner]: procedures = 162, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2023-08-29 03:19:19,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:19:19,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:19:19,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:19:19,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:19:19,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:19:19" (1/1) ... [2023-08-29 03:19:19,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:19:19" (1/1) ... [2023-08-29 03:19:19,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:19:19" (1/1) ... [2023-08-29 03:19:19,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:19:19" (1/1) ... [2023-08-29 03:19:19,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:19:19" (1/1) ... [2023-08-29 03:19:19,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:19:19" (1/1) ... [2023-08-29 03:19:19,326 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:19:19" (1/1) ... [2023-08-29 03:19:19,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:19:19" (1/1) ... [2023-08-29 03:19:19,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:19:19,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:19:19,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:19:19,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:19:19,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:19:19" (1/1) ... [2023-08-29 03:19:19,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:19:19,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:19:19,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 03:19:19,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 03:19:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 03:19:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 03:19:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:19:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:19:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 03:19:19,411 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 03:19:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:19:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 03:19:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:19:19,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:19:19,413 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 03:19:19,594 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:19:19,596 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:19:19,772 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:19:19,778 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:19:19,779 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 03:19:19,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:19:19 BoogieIcfgContainer [2023-08-29 03:19:19,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:19:19,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:19:19,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:19:19,787 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:19:19,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:19:18" (1/3) ... [2023-08-29 03:19:19,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b8259d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:19:19, skipping insertion in model container [2023-08-29 03:19:19,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:19:19" (2/3) ... [2023-08-29 03:19:19,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b8259d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:19:19, skipping insertion in model container [2023-08-29 03:19:19,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:19:19" (3/3) ... [2023-08-29 03:19:19,790 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_11-traces-max-simple_true.i [2023-08-29 03:19:19,798 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:19:19,806 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:19:19,806 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-29 03:19:19,807 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:19:19,874 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 03:19:19,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 74 places, 72 transitions, 149 flow [2023-08-29 03:19:19,967 INFO L130 PetriNetUnfolder]: 2/71 cut-off events. [2023-08-29 03:19:19,967 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 03:19:19,972 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 71 events. 2/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2023-08-29 03:19:19,973 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 72 transitions, 149 flow [2023-08-29 03:19:19,978 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 73 places, 71 transitions, 145 flow [2023-08-29 03:19:19,985 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 03:19:19,999 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 71 transitions, 145 flow [2023-08-29 03:19:20,003 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 71 transitions, 145 flow [2023-08-29 03:19:20,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 73 places, 71 transitions, 145 flow [2023-08-29 03:19:20,042 INFO L130 PetriNetUnfolder]: 2/71 cut-off events. [2023-08-29 03:19:20,042 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 03:19:20,043 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 71 events. 2/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2023-08-29 03:19:20,045 INFO L119 LiptonReduction]: Number of co-enabled transitions 1100 [2023-08-29 03:19:21,754 INFO L134 LiptonReduction]: Checked pairs total: 3999 [2023-08-29 03:19:21,754 INFO L136 LiptonReduction]: Total number of compositions: 58 [2023-08-29 03:19:21,773 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 03:19:21,781 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;@2dc06093, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 03:19:21,782 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-08-29 03:19:21,786 INFO L130 PetriNetUnfolder]: 0/7 cut-off events. [2023-08-29 03:19:21,787 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 03:19:21,787 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:19:21,788 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 03:19:21,788 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-29 03:19:21,793 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:19:21,794 INFO L85 PathProgramCache]: Analyzing trace with hash 251140851, now seen corresponding path program 1 times [2023-08-29 03:19:21,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:19:21,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862665703] [2023-08-29 03:19:21,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:19:21,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:19:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:19:21,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:19:21,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:19:21,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862665703] [2023-08-29 03:19:21,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862665703] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:19:21,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:19:21,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:19:21,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638009551] [2023-08-29 03:19:21,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:19:21,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:19:21,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:19:22,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:19:22,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:19:22,028 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 130 [2023-08-29 03:19:22,030 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 25 transitions, 53 flow. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:19:22,030 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:19:22,030 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 130 [2023-08-29 03:19:22,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:19:22,102 INFO L130 PetriNetUnfolder]: 68/178 cut-off events. [2023-08-29 03:19:22,102 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 03:19:22,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 348 conditions, 178 events. 68/178 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 701 event pairs, 26 based on Foata normal form. 10/174 useless extension candidates. Maximal degree in co-relation 339. Up to 128 conditions per place. [2023-08-29 03:19:22,104 INFO L137 encePairwiseOnDemand]: 119/130 looper letters, 21 selfloop transitions, 6 changer transitions 4/33 dead transitions. [2023-08-29 03:19:22,105 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 33 transitions, 131 flow [2023-08-29 03:19:22,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:19:22,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:19:22,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 208 transitions. [2023-08-29 03:19:22,116 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5333333333333333 [2023-08-29 03:19:22,117 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 208 transitions. [2023-08-29 03:19:22,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 208 transitions. [2023-08-29 03:19:22,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:19:22,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 208 transitions. [2023-08-29 03:19:22,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:19:22,127 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:19:22,127 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:19:22,129 INFO L175 Difference]: Start difference. First operand has 27 places, 25 transitions, 53 flow. Second operand 3 states and 208 transitions. [2023-08-29 03:19:22,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 33 transitions, 131 flow [2023-08-29 03:19:22,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 33 transitions, 130 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:19:22,133 INFO L231 Difference]: Finished difference. Result has 28 places, 25 transitions, 88 flow [2023-08-29 03:19:22,134 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=28, PETRI_TRANSITIONS=25} [2023-08-29 03:19:22,137 INFO L281 CegarLoopForPetriNet]: 27 programPoint places, 1 predicate places. [2023-08-29 03:19:22,137 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 25 transitions, 88 flow [2023-08-29 03:19:22,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:19:22,138 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:19:22,138 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 03:19:22,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 03:19:22,139 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-29 03:19:22,139 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:19:22,139 INFO L85 PathProgramCache]: Analyzing trace with hash -805258328, now seen corresponding path program 1 times [2023-08-29 03:19:22,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:19:22,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225529613] [2023-08-29 03:19:22,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:19:22,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:19:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:19:22,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:19:22,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:19:22,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225529613] [2023-08-29 03:19:22,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225529613] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:19:22,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:19:22,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:19:22,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455381932] [2023-08-29 03:19:22,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:19:22,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:19:22,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:19:22,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:19:22,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:19:22,206 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 130 [2023-08-29 03:19:22,206 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 25 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:19:22,206 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:19:22,207 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 130 [2023-08-29 03:19:22,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:19:22,258 INFO L130 PetriNetUnfolder]: 48/149 cut-off events. [2023-08-29 03:19:22,259 INFO L131 PetriNetUnfolder]: For 54/59 co-relation queries the response was YES. [2023-08-29 03:19:22,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 360 conditions, 149 events. 48/149 cut-off events. For 54/59 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 636 event pairs, 33 based on Foata normal form. 2/133 useless extension candidates. Maximal degree in co-relation 350. Up to 117 conditions per place. [2023-08-29 03:19:22,260 INFO L137 encePairwiseOnDemand]: 125/130 looper letters, 15 selfloop transitions, 6 changer transitions 5/32 dead transitions. [2023-08-29 03:19:22,260 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 32 transitions, 162 flow [2023-08-29 03:19:22,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:19:22,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:19:22,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 200 transitions. [2023-08-29 03:19:22,263 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5128205128205128 [2023-08-29 03:19:22,263 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 200 transitions. [2023-08-29 03:19:22,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 200 transitions. [2023-08-29 03:19:22,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:19:22,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 200 transitions. [2023-08-29 03:19:22,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:19:22,266 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:19:22,266 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:19:22,266 INFO L175 Difference]: Start difference. First operand has 28 places, 25 transitions, 88 flow. Second operand 3 states and 200 transitions. [2023-08-29 03:19:22,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 32 transitions, 162 flow [2023-08-29 03:19:22,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 32 transitions, 146 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 03:19:22,268 INFO L231 Difference]: Finished difference. Result has 29 places, 26 transitions, 104 flow [2023-08-29 03:19:22,268 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=29, PETRI_TRANSITIONS=26} [2023-08-29 03:19:22,269 INFO L281 CegarLoopForPetriNet]: 27 programPoint places, 2 predicate places. [2023-08-29 03:19:22,269 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 26 transitions, 104 flow [2023-08-29 03:19:22,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:19:22,270 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:19:22,270 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:19:22,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 03:19:22,270 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-29 03:19:22,271 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:19:22,271 INFO L85 PathProgramCache]: Analyzing trace with hash -54240080, now seen corresponding path program 1 times [2023-08-29 03:19:22,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:19:22,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048316925] [2023-08-29 03:19:22,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:19:22,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:19:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:19:22,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:19:22,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:19:22,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048316925] [2023-08-29 03:19:22,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048316925] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:19:22,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:19:22,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 03:19:22,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260999204] [2023-08-29 03:19:22,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:19:22,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:19:22,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:19:22,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:19:22,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:19:22,423 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 130 [2023-08-29 03:19:22,423 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 26 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:19:22,423 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:19:22,424 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 130 [2023-08-29 03:19:22,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:19:22,445 INFO L130 PetriNetUnfolder]: 0/27 cut-off events. [2023-08-29 03:19:22,446 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2023-08-29 03:19:22,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 27 events. 0/27 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 21 event pairs, 0 based on Foata normal form. 8/33 useless extension candidates. Maximal degree in co-relation 0. Up to 15 conditions per place. [2023-08-29 03:19:22,447 INFO L137 encePairwiseOnDemand]: 126/130 looper letters, 0 selfloop transitions, 0 changer transitions 19/19 dead transitions. [2023-08-29 03:19:22,447 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 19 transitions, 93 flow [2023-08-29 03:19:22,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:19:22,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:19:22,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 200 transitions. [2023-08-29 03:19:22,449 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5128205128205128 [2023-08-29 03:19:22,451 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 200 transitions. [2023-08-29 03:19:22,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 200 transitions. [2023-08-29 03:19:22,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:19:22,451 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 200 transitions. [2023-08-29 03:19:22,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:19:22,454 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:19:22,455 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:19:22,455 INFO L175 Difference]: Start difference. First operand has 29 places, 26 transitions, 104 flow. Second operand 3 states and 200 transitions. [2023-08-29 03:19:22,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 19 transitions, 93 flow [2023-08-29 03:19:22,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 19 transitions, 74 flow, removed 5 selfloop flow, removed 3 redundant places. [2023-08-29 03:19:22,456 INFO L231 Difference]: Finished difference. Result has 25 places, 0 transitions, 0 flow [2023-08-29 03:19:22,457 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=48, 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 03:19:22,458 INFO L281 CegarLoopForPetriNet]: 27 programPoint places, -2 predicate places. [2023-08-29 03:19:22,458 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 0 transitions, 0 flow [2023-08-29 03:19:22,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:19:22,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2023-08-29 03:19:22,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2023-08-29 03:19:22,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-08-29 03:19:22,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2023-08-29 03:19:22,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2023-08-29 03:19:22,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2023-08-29 03:19:22,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2023-08-29 03:19:22,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 03:19:22,466 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-08-29 03:19:22,470 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 03:19:22,471 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 03:19:22,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:19:22 BasicIcfg [2023-08-29 03:19:22,474 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 03:19:22,476 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 03:19:22,476 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 03:19:22,476 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 03:19:22,477 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:19:19" (3/4) ... [2023-08-29 03:19:22,479 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 03:19:22,484 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-08-29 03:19:22,488 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-08-29 03:19:22,488 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 03:19:22,488 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 03:19:22,488 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 03:19:22,528 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 03:19:22,528 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 03:19:22,529 INFO L158 Benchmark]: Toolchain (without parser) took 3838.95ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 62.3MB in the beginning and 56.1MB in the end (delta: 6.2MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2023-08-29 03:19:22,529 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:19:22,530 INFO L158 Benchmark]: CACSL2BoogieTranslator took 518.08ms. Allocated memory is still 86.0MB. Free memory was 62.0MB in the beginning and 62.9MB in the end (delta: -945.2kB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2023-08-29 03:19:22,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.16ms. Allocated memory is still 86.0MB. Free memory was 62.9MB in the beginning and 61.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:19:22,532 INFO L158 Benchmark]: Boogie Preprocessor took 44.75ms. Allocated memory is still 86.0MB. Free memory was 61.3MB in the beginning and 60.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:19:22,532 INFO L158 Benchmark]: RCFGBuilder took 443.29ms. Allocated memory is still 86.0MB. Free memory was 60.0MB in the beginning and 47.3MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 03:19:22,535 INFO L158 Benchmark]: TraceAbstraction took 2690.81ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 46.9MB in the beginning and 59.4MB in the end (delta: -12.5MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2023-08-29 03:19:22,535 INFO L158 Benchmark]: Witness Printer took 52.85ms. Allocated memory is still 104.9MB. Free memory was 59.4MB in the beginning and 56.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:19:22,537 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 518.08ms. Allocated memory is still 86.0MB. Free memory was 62.0MB in the beginning and 62.9MB in the end (delta: -945.2kB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.16ms. Allocated memory is still 86.0MB. Free memory was 62.9MB in the beginning and 61.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.75ms. Allocated memory is still 86.0MB. Free memory was 61.3MB in the beginning and 60.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 443.29ms. Allocated memory is still 86.0MB. Free memory was 60.0MB in the beginning and 47.3MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2690.81ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 46.9MB in the beginning and 59.4MB in the end (delta: -12.5MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * Witness Printer took 52.85ms. Allocated memory is still 104.9MB. Free memory was 59.4MB in the beginning and 56.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.8s, 73 PlacesBefore, 27 PlacesAfterwards, 71 TransitionsBefore, 25 TransitionsAfterwards, 1100 CoEnabledTransitionPairs, 6 FixpointIterations, 22 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 0 ChoiceCompositions, 58 TotalNumberOfCompositions, 3999 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1326, independent: 1077, independent conditional: 0, independent unconditional: 1077, dependent: 249, dependent conditional: 0, dependent unconditional: 249, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 619, independent: 579, independent conditional: 0, independent unconditional: 579, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1326, independent: 498, independent conditional: 0, independent unconditional: 498, dependent: 209, dependent conditional: 0, dependent unconditional: 209, unknown: 619, unknown conditional: 0, unknown unconditional: 619] , Statistics on independence cache: Total cache size (in pairs): 71, Positive cache size: 46, Positive conditional cache size: 0, Positive unconditional cache size: 46, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 695]: 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 - PositiveResult [Line: 686]: 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, 94 locations, 7 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: 2.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 116 IncrementalHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 15 mSDtfsCounter, 116 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=104occurred 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! [2023-08-29 03:19:22,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE