./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_66-mine-W-init_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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 ../sv-benchmarks/c/goblint-regression/13-privatized_66-mine-W-init_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d31eb36a2b8c22db9669e8700b4f14c6e1ae960f387b904c728720511cccc977 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 21:55:34,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 21:55:34,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 21:55:34,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 21:55:34,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 21:55:34,730 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 21:55:34,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 21:55:34,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 21:55:34,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 21:55:34,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 21:55:34,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 21:55:34,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 21:55:34,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 21:55:34,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 21:55:34,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 21:55:34,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 21:55:34,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 21:55:34,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 21:55:34,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 21:55:34,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 21:55:34,754 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 21:55:34,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 21:55:34,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 21:55:34,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 21:55:34,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 21:55:34,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 21:55:34,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 21:55:34,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 21:55:34,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 21:55:34,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 21:55:34,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 21:55:34,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 21:55:34,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 21:55:34,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 21:55:34,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 21:55:34,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 21:55:34,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 21:55:34,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 21:55:34,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 21:55:34,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 21:55:34,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 21:55:34,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 21:55:34,769 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 21:55:34,798 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 21:55:34,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 21:55:34,799 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 21:55:34,799 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 21:55:34,799 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 21:55:34,799 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 21:55:34,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 21:55:34,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 21:55:34,800 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 21:55:34,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 21:55:34,801 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 21:55:34,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 21:55:34,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 21:55:34,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 21:55:34,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 21:55:34,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 21:55:34,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 21:55:34,802 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 21:55:34,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 21:55:34,802 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 21:55:34,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 21:55:34,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 21:55:34,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 21:55:34,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 21:55:34,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 21:55:34,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 21:55:34,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 21:55:34,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 21:55:34,804 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 21:55:34,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 21:55:34,804 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 21:55:34,804 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 21:55:34,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 21:55:34,805 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d31eb36a2b8c22db9669e8700b4f14c6e1ae960f387b904c728720511cccc977 [2022-07-13 21:55:34,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 21:55:35,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 21:55:35,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 21:55:35,009 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 21:55:35,009 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 21:55:35,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_66-mine-W-init_true.i [2022-07-13 21:55:35,057 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/455b4960d/b80cc45e30de411b93a38c1ec585d278/FLAG9ece46d61 [2022-07-13 21:55:35,482 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 21:55:35,485 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_66-mine-W-init_true.i [2022-07-13 21:55:35,496 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/455b4960d/b80cc45e30de411b93a38c1ec585d278/FLAG9ece46d61 [2022-07-13 21:55:35,510 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/455b4960d/b80cc45e30de411b93a38c1ec585d278 [2022-07-13 21:55:35,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 21:55:35,513 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 21:55:35,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 21:55:35,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 21:55:35,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 21:55:35,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 09:55:35" (1/1) ... [2022-07-13 21:55:35,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@586c0182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 09:55:35, skipping insertion in model container [2022-07-13 21:55:35,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 09:55:35" (1/1) ... [2022-07-13 21:55:35,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 21:55:35,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 21:55:35,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_66-mine-W-init_true.i[1088,1101] [2022-07-13 21:55:35,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 21:55:35,757 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 21:55:35,765 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_66-mine-W-init_true.i[1088,1101] [2022-07-13 21:55:35,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 21:55:35,799 INFO L208 MainTranslator]: Completed translation [2022-07-13 21:55:35,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 09:55:35 WrapperNode [2022-07-13 21:55:35,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 21:55:35,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 21:55:35,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 21:55:35,800 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 21:55:35,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 09:55:35" (1/1) ... [2022-07-13 21:55:35,821 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 09:55:35" (1/1) ... [2022-07-13 21:55:35,839 INFO L137 Inliner]: procedures = 161, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2022-07-13 21:55:35,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 21:55:35,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 21:55:35,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 21:55:35,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 21:55:35,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 09:55:35" (1/1) ... [2022-07-13 21:55:35,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 09:55:35" (1/1) ... [2022-07-13 21:55:35,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 09:55:35" (1/1) ... [2022-07-13 21:55:35,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 09:55:35" (1/1) ... [2022-07-13 21:55:35,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 09:55:35" (1/1) ... [2022-07-13 21:55:35,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 09:55:35" (1/1) ... [2022-07-13 21:55:35,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 09:55:35" (1/1) ... [2022-07-13 21:55:35,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 21:55:35,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 21:55:35,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 21:55:35,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 21:55:35,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 09:55:35" (1/1) ... [2022-07-13 21:55:35,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 21:55:35,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 21:55:35,906 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) [2022-07-13 21:55:35,907 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 [2022-07-13 21:55:35,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 21:55:35,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 21:55:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 21:55:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-07-13 21:55:35,938 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-07-13 21:55:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 21:55:35,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 21:55:35,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 21:55:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 21:55:35,942 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-13 21:55:36,055 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 21:55:36,056 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 21:55:36,144 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 21:55:36,148 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 21:55:36,148 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-13 21:55:36,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 09:55:36 BoogieIcfgContainer [2022-07-13 21:55:36,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 21:55:36,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 21:55:36,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 21:55:36,153 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 21:55:36,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 09:55:35" (1/3) ... [2022-07-13 21:55:36,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@778fcf14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 09:55:36, skipping insertion in model container [2022-07-13 21:55:36,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 09:55:35" (2/3) ... [2022-07-13 21:55:36,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@778fcf14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 09:55:36, skipping insertion in model container [2022-07-13 21:55:36,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 09:55:36" (3/3) ... [2022-07-13 21:55:36,155 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_66-mine-W-init_true.i [2022-07-13 21:55:36,158 WARN L143 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-07-13 21:55:36,165 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 21:55:36,165 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 21:55:36,165 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-07-13 21:55:36,194 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-07-13 21:55:36,214 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 41 transitions, 87 flow [2022-07-13 21:55:36,229 INFO L129 PetriNetUnfolder]: 1/40 cut-off events. [2022-07-13 21:55:36,229 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-07-13 21:55:36,231 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 40 events. 1/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 12 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 22. Up to 2 conditions per place. [2022-07-13 21:55:36,231 INFO L82 GeneralOperation]: Start removeDead. Operand has 44 places, 41 transitions, 87 flow [2022-07-13 21:55:36,233 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 34 places, 30 transitions, 63 flow [2022-07-13 21:55:36,240 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 21:55:36,244 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@35a29f81, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@16963061 [2022-07-13 21:55:36,244 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-13 21:55:36,250 INFO L129 PetriNetUnfolder]: 0/29 cut-off events. [2022-07-13 21:55:36,250 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-07-13 21:55:36,250 INFO L192 CegarLoopForPetriNet]: Found error trace [2022-07-13 21:55:36,250 INFO L200 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 21:55:36,251 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-07-13 21:55:36,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 21:55:36,254 INFO L85 PathProgramCache]: Analyzing trace with hash 363095425, now seen corresponding path program 1 times [2022-07-13 21:55:36,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 21:55:36,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769639451] [2022-07-13 21:55:36,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 21:55:36,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 21:55:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 21:55:36,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 21:55:36,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 21:55:36,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769639451] [2022-07-13 21:55:36,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769639451] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 21:55:36,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 21:55:36,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 21:55:36,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770078184] [2022-07-13 21:55:36,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 21:55:36,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 21:55:36,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 21:55:36,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 21:55:36,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 21:55:36,440 INFO L443 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 41 [2022-07-13 21:55:36,443 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 30 transitions, 63 flow. Second operand has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 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) [2022-07-13 21:55:36,444 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-07-13 21:55:36,444 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 41 [2022-07-13 21:55:36,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-07-13 21:55:36,484 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2022-07-13 21:55:36,484 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-07-13 21:55:36,484 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 28 events. 0/28 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 1/29 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-07-13 21:55:36,485 INFO L132 encePairwiseOnDemand]: 37/41 looper letters, 0 selfloop transitions, 0 changer transitions 28/28 dead transitions. [2022-07-13 21:55:36,485 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 28 transitions, 71 flow [2022-07-13 21:55:36,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 21:55:36,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-07-13 21:55:36,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 162 transitions. [2022-07-13 21:55:36,497 INFO L488 CegarLoopForPetriNet]: DFA transition density 0.7902439024390244 [2022-07-13 21:55:36,498 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 162 transitions. [2022-07-13 21:55:36,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 162 transitions. [2022-07-13 21:55:36,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 21:55:36,502 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 162 transitions. [2022-07-13 21:55:36,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 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) [2022-07-13 21:55:36,506 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 41.0) internal successors, (246), 6 states have internal predecessors, (246), 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) [2022-07-13 21:55:36,506 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 41.0) internal successors, (246), 6 states have internal predecessors, (246), 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) [2022-07-13 21:55:36,507 INFO L186 Difference]: Start difference. First operand has 34 places, 30 transitions, 63 flow. Second operand 5 states and 162 transitions. [2022-07-13 21:55:36,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 28 transitions, 71 flow [2022-07-13 21:55:36,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 28 transitions, 70 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-07-13 21:55:36,510 INFO L242 Difference]: Finished difference. Result has 35 places, 0 transitions, 0 flow [2022-07-13 21:55:36,511 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=35, PETRI_TRANSITIONS=0} [2022-07-13 21:55:36,515 INFO L279 CegarLoopForPetriNet]: 34 programPoint places, 1 predicate places. [2022-07-13 21:55:36,516 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 0 transitions, 0 flow [2022-07-13 21:55:36,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 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) [2022-07-13 21:55:36,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-07-13 21:55:36,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-07-13 21:55:36,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 21:55:36,519 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-13 21:55:36,525 INFO L226 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-07-13 21:55:36,525 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 21:55:36,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 09:55:36 BasicIcfg [2022-07-13 21:55:36,532 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 21:55:36,534 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 21:55:36,535 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 21:55:36,535 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 21:55:36,535 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 09:55:36" (3/4) ... [2022-07-13 21:55:36,537 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 21:55:36,541 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-07-13 21:55:36,543 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-07-13 21:55:36,543 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-07-13 21:55:36,543 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 21:55:36,543 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 21:55:36,561 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 21:55:36,562 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 21:55:36,562 INFO L158 Benchmark]: Toolchain (without parser) took 1048.98ms. Allocated memory is still 96.5MB. Free memory was 62.7MB in the beginning and 58.3MB in the end (delta: 4.4MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2022-07-13 21:55:36,562 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory was 50.3MB in the beginning and 50.2MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 21:55:36,563 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.92ms. Allocated memory is still 96.5MB. Free memory was 62.5MB in the beginning and 64.5MB in the end (delta: -2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 21:55:36,563 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.92ms. Allocated memory is still 96.5MB. Free memory was 64.5MB in the beginning and 62.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 21:55:36,563 INFO L158 Benchmark]: Boogie Preprocessor took 34.35ms. Allocated memory is still 96.5MB. Free memory was 62.4MB in the beginning and 61.4MB in the end (delta: 948.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 21:55:36,564 INFO L158 Benchmark]: RCFGBuilder took 274.73ms. Allocated memory is still 96.5MB. Free memory was 61.4MB in the beginning and 51.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 21:55:36,564 INFO L158 Benchmark]: TraceAbstraction took 381.20ms. Allocated memory is still 96.5MB. Free memory was 51.0MB in the beginning and 61.1MB in the end (delta: -10.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 21:55:36,564 INFO L158 Benchmark]: Witness Printer took 27.20ms. Allocated memory is still 96.5MB. Free memory was 60.5MB in the beginning and 58.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 21:55:36,566 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory was 50.3MB in the beginning and 50.2MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.92ms. Allocated memory is still 96.5MB. Free memory was 62.5MB in the beginning and 64.5MB in the end (delta: -2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.92ms. Allocated memory is still 96.5MB. Free memory was 64.5MB in the beginning and 62.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.35ms. Allocated memory is still 96.5MB. Free memory was 62.4MB in the beginning and 61.4MB in the end (delta: 948.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 274.73ms. Allocated memory is still 96.5MB. Free memory was 61.4MB in the beginning and 51.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 381.20ms. Allocated memory is still 96.5MB. Free memory was 51.0MB in the beginning and 61.1MB in the end (delta: -10.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 27.20ms. Allocated memory is still 96.5MB. Free memory was 60.5MB in the beginning and 58.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 46 locations, 2 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 3 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-07-13 21:55:36,595 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