./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11951524cd85112f2fd2ba609f320369af87d9ba4a63c5effcd0e29d07efd1ae --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 04:01:29,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 04:01:29,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 04:01:29,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 04:01:29,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 04:01:29,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 04:01:29,675 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 04:01:29,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 04:01:29,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 04:01:29,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 04:01:29,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 04:01:29,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 04:01:29,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 04:01:29,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 04:01:29,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 04:01:29,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 04:01:29,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 04:01:29,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 04:01:29,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 04:01:29,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 04:01:29,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 04:01:29,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 04:01:29,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 04:01:29,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 04:01:29,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 04:01:29,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 04:01:29,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 04:01:29,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 04:01:29,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 04:01:29,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 04:01:29,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 04:01:29,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 04:01:29,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 04:01:29,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 04:01:29,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 04:01:29,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 04:01:29,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 04:01:29,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 04:01:29,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 04:01:29,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 04:01:29,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 04:01:29,719 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 04:01:29,751 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 04:01:29,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 04:01:29,753 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 04:01:29,753 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 04:01:29,754 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 04:01:29,754 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 04:01:29,754 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 04:01:29,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 04:01:29,754 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 04:01:29,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 04:01:29,755 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 04:01:29,755 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 04:01:29,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 04:01:29,756 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 04:01:29,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 04:01:29,756 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 04:01:29,756 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 04:01:29,756 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 04:01:29,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 04:01:29,756 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 04:01:29,757 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 04:01:29,757 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 04:01:29,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 04:01:29,757 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 04:01:29,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 04:01:29,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 04:01:29,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 04:01:29,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 04:01:29,758 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 04:01:29,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 04:01:29,758 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 04:01:29,758 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 04:01:29,758 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 04:01:29,759 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 04:01:29,759 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11951524cd85112f2fd2ba609f320369af87d9ba4a63c5effcd0e29d07efd1ae Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 04:01:30,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 04:01:30,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 04:01:30,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 04:01:30,034 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 04:01:30,034 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 04:01:30,035 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i [2023-08-30 04:01:31,118 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 04:01:31,259 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 04:01:31,259 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i [2023-08-30 04:01:31,289 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d137f1f3/3a76ce5bb5e24b678e0081855bfc68fb/FLAG901f8ef1c [2023-08-30 04:01:31,306 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d137f1f3/3a76ce5bb5e24b678e0081855bfc68fb [2023-08-30 04:01:31,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 04:01:31,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 04:01:31,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 04:01:31,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 04:01:31,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 04:01:31,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 04:01:31" (1/1) ... [2023-08-30 04:01:31,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4645e673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:01:31, skipping insertion in model container [2023-08-30 04:01:31,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 04:01:31" (1/1) ... [2023-08-30 04:01:31,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 04:01:31,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 04:01:31,513 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i[1098,1111] [2023-08-30 04:01:31,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 04:01:31,659 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 04:01:31,672 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i[1098,1111] [2023-08-30 04:01:31,699 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 04:01:31,734 INFO L208 MainTranslator]: Completed translation [2023-08-30 04:01:31,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:01:31 WrapperNode [2023-08-30 04:01:31,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 04:01:31,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 04:01:31,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 04:01:31,736 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 04:01:31,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:01:31" (1/1) ... [2023-08-30 04:01:31,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:01:31" (1/1) ... [2023-08-30 04:01:31,790 INFO L138 Inliner]: procedures = 162, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2023-08-30 04:01:31,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 04:01:31,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 04:01:31,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 04:01:31,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 04:01:31,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:01:31" (1/1) ... [2023-08-30 04:01:31,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:01:31" (1/1) ... [2023-08-30 04:01:31,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:01:31" (1/1) ... [2023-08-30 04:01:31,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:01:31" (1/1) ... [2023-08-30 04:01:31,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:01:31" (1/1) ... [2023-08-30 04:01:31,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:01:31" (1/1) ... [2023-08-30 04:01:31,821 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:01:31" (1/1) ... [2023-08-30 04:01:31,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:01:31" (1/1) ... [2023-08-30 04:01:31,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 04:01:31,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 04:01:31,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 04:01:31,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 04:01:31,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:01:31" (1/1) ... [2023-08-30 04:01:31,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 04:01:31,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 04:01:31,861 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) [2023-08-30 04:01:31,884 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 [2023-08-30 04:01:31,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 04:01:31,892 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 04:01:31,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 04:01:31,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 04:01:31,892 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 04:01:31,892 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 04:01:31,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 04:01:31,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 04:01:31,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 04:01:31,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 04:01:31,893 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 04:01:31,999 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 04:01:32,000 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 04:01:32,125 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 04:01:32,129 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 04:01:32,129 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 04:01:32,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 04:01:32 BoogieIcfgContainer [2023-08-30 04:01:32,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 04:01:32,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 04:01:32,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 04:01:32,134 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 04:01:32,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 04:01:31" (1/3) ... [2023-08-30 04:01:32,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@668a5c56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 04:01:32, skipping insertion in model container [2023-08-30 04:01:32,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:01:31" (2/3) ... [2023-08-30 04:01:32,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@668a5c56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 04:01:32, skipping insertion in model container [2023-08-30 04:01:32,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 04:01:32" (3/3) ... [2023-08-30 04:01:32,136 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_57-singlethreaded-unlock_true.i [2023-08-30 04:01:32,152 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 04:01:32,153 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-30 04:01:32,153 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 04:01:32,212 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 04:01:32,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 55 places, 52 transitions, 109 flow [2023-08-30 04:01:32,283 INFO L130 PetriNetUnfolder]: 1/51 cut-off events. [2023-08-30 04:01:32,284 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 04:01:32,310 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 51 events. 1/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 19 event pairs, 0 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2023-08-30 04:01:32,310 INFO L82 GeneralOperation]: Start removeDead. Operand has 55 places, 52 transitions, 109 flow [2023-08-30 04:01:32,312 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 47 transitions, 97 flow [2023-08-30 04:01:32,315 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 04:01:32,328 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 47 transitions, 97 flow [2023-08-30 04:01:32,331 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 47 transitions, 97 flow [2023-08-30 04:01:32,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 50 places, 47 transitions, 97 flow [2023-08-30 04:01:32,355 INFO L130 PetriNetUnfolder]: 1/47 cut-off events. [2023-08-30 04:01:32,356 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 04:01:32,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 47 events. 1/47 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 18 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 17. Up to 2 conditions per place. [2023-08-30 04:01:32,357 INFO L119 LiptonReduction]: Number of co-enabled transitions 84 [2023-08-30 04:01:34,167 INFO L134 LiptonReduction]: Checked pairs total: 60 [2023-08-30 04:01:34,167 INFO L136 LiptonReduction]: Total number of compositions: 56 [2023-08-30 04:01:34,181 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 04:01:34,188 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@77bffb33, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 04:01:34,188 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-08-30 04:01:34,189 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-30 04:01:34,189 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 04:01:34,189 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 04:01:34,190 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-30 04:01:34,191 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2023-08-30 04:01:34,195 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 04:01:34,195 INFO L85 PathProgramCache]: Analyzing trace with hash 200, now seen corresponding path program 1 times [2023-08-30 04:01:34,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 04:01:34,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844532585] [2023-08-30 04:01:34,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 04:01:34,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 04:01:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 04:01:34,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 04:01:34,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 04:01:34,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844532585] [2023-08-30 04:01:34,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844532585] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 04:01:34,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 04:01:34,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-30 04:01:34,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385272119] [2023-08-30 04:01:34,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 04:01:34,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-30 04:01:34,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 04:01:34,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-30 04:01:34,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-30 04:01:34,346 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 108 [2023-08-30 04:01:34,348 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 11 places, 7 transitions, 17 flow. Second operand has 2 states, 2 states have (on average 49.5) internal successors, (99), 2 states have internal predecessors, (99), 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) [2023-08-30 04:01:34,349 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 04:01:34,349 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 108 [2023-08-30 04:01:34,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 04:01:34,367 INFO L130 PetriNetUnfolder]: 2/9 cut-off events. [2023-08-30 04:01:34,367 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 04:01:34,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23 conditions, 9 events. 2/9 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 9 event pairs, 2 based on Foata normal form. 0/7 useless extension candidates. Maximal degree in co-relation 14. Up to 10 conditions per place. [2023-08-30 04:01:34,368 INFO L137 encePairwiseOnDemand]: 106/108 looper letters, 5 selfloop transitions, 0 changer transitions 0/5 dead transitions. [2023-08-30 04:01:34,368 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 10 places, 5 transitions, 23 flow [2023-08-30 04:01:34,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-30 04:01:34,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-30 04:01:34,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 105 transitions. [2023-08-30 04:01:34,377 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4861111111111111 [2023-08-30 04:01:34,378 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 105 transitions. [2023-08-30 04:01:34,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 105 transitions. [2023-08-30 04:01:34,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 04:01:34,381 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 105 transitions. [2023-08-30 04:01:34,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 52.5) internal successors, (105), 2 states have internal predecessors, (105), 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) [2023-08-30 04:01:34,385 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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) [2023-08-30 04:01:34,385 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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) [2023-08-30 04:01:34,386 INFO L175 Difference]: Start difference. First operand has 11 places, 7 transitions, 17 flow. Second operand 2 states and 105 transitions. [2023-08-30 04:01:34,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 10 places, 5 transitions, 23 flow [2023-08-30 04:01:34,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 9 places, 5 transitions, 22 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 04:01:34,389 INFO L231 Difference]: Finished difference. Result has 9 places, 5 transitions, 12 flow [2023-08-30 04:01:34,390 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=12, PETRI_DIFFERENCE_MINUEND_PLACES=8, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=5, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=5, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=12, PETRI_PLACES=9, PETRI_TRANSITIONS=5} [2023-08-30 04:01:34,393 INFO L281 CegarLoopForPetriNet]: 11 programPoint places, -2 predicate places. [2023-08-30 04:01:34,393 INFO L495 AbstractCegarLoop]: Abstraction has has 9 places, 5 transitions, 12 flow [2023-08-30 04:01:34,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 49.5) internal successors, (99), 2 states have internal predecessors, (99), 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) [2023-08-30 04:01:34,394 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 04:01:34,394 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-30 04:01:34,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 04:01:34,394 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2023-08-30 04:01:34,395 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 04:01:34,395 INFO L85 PathProgramCache]: Analyzing trace with hash 193936, now seen corresponding path program 1 times [2023-08-30 04:01:34,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 04:01:34,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679868092] [2023-08-30 04:01:34,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 04:01:34,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 04:01:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 04:01:34,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 04:01:34,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 04:01:34,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679868092] [2023-08-30 04:01:34,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679868092] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 04:01:34,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 04:01:34,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 04:01:34,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985213873] [2023-08-30 04:01:34,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 04:01:34,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 04:01:34,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 04:01:34,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 04:01:34,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 04:01:34,525 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 108 [2023-08-30 04:01:34,525 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 9 places, 5 transitions, 12 flow. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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) [2023-08-30 04:01:34,526 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 04:01:34,526 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 108 [2023-08-30 04:01:34,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 04:01:34,532 INFO L130 PetriNetUnfolder]: 1/6 cut-off events. [2023-08-30 04:01:34,532 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 04:01:34,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17 conditions, 6 events. 1/6 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 3 event pairs, 1 based on Foata normal form. 0/6 useless extension candidates. Maximal degree in co-relation 14. Up to 6 conditions per place. [2023-08-30 04:01:34,533 INFO L137 encePairwiseOnDemand]: 106/108 looper letters, 3 selfloop transitions, 1 changer transitions 0/4 dead transitions. [2023-08-30 04:01:34,533 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 10 places, 4 transitions, 18 flow [2023-08-30 04:01:34,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 04:01:34,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 04:01:34,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 143 transitions. [2023-08-30 04:01:34,535 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44135802469135804 [2023-08-30 04:01:34,535 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 143 transitions. [2023-08-30 04:01:34,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 143 transitions. [2023-08-30 04:01:34,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 04:01:34,535 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 143 transitions. [2023-08-30 04:01:34,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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) [2023-08-30 04:01:34,537 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 108.0) internal successors, (432), 4 states have internal predecessors, (432), 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) [2023-08-30 04:01:34,538 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 108.0) internal successors, (432), 4 states have internal predecessors, (432), 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) [2023-08-30 04:01:34,538 INFO L175 Difference]: Start difference. First operand has 9 places, 5 transitions, 12 flow. Second operand 3 states and 143 transitions. [2023-08-30 04:01:34,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 10 places, 4 transitions, 18 flow [2023-08-30 04:01:34,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 10 places, 4 transitions, 18 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-30 04:01:34,538 INFO L231 Difference]: Finished difference. Result has 10 places, 4 transitions, 12 flow [2023-08-30 04:01:34,539 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=10, PETRI_DIFFERENCE_MINUEND_PLACES=8, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=12, PETRI_PLACES=10, PETRI_TRANSITIONS=4} [2023-08-30 04:01:34,539 INFO L281 CegarLoopForPetriNet]: 11 programPoint places, -1 predicate places. [2023-08-30 04:01:34,539 INFO L495 AbstractCegarLoop]: Abstraction has has 10 places, 4 transitions, 12 flow [2023-08-30 04:01:34,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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) [2023-08-30 04:01:34,540 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 04:01:34,540 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-30 04:01:34,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 04:01:34,540 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2023-08-30 04:01:34,541 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 04:01:34,541 INFO L85 PathProgramCache]: Analyzing trace with hash 193947, now seen corresponding path program 1 times [2023-08-30 04:01:34,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 04:01:34,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447423311] [2023-08-30 04:01:34,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 04:01:34,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 04:01:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 04:01:34,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 04:01:34,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 04:01:34,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447423311] [2023-08-30 04:01:34,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447423311] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 04:01:34,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 04:01:34,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 04:01:34,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071694285] [2023-08-30 04:01:34,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 04:01:34,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 04:01:34,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 04:01:34,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 04:01:34,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 04:01:34,678 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 108 [2023-08-30 04:01:34,679 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 10 places, 4 transitions, 12 flow. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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) [2023-08-30 04:01:34,679 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 04:01:34,679 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 108 [2023-08-30 04:01:34,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 04:01:34,684 INFO L130 PetriNetUnfolder]: 0/3 cut-off events. [2023-08-30 04:01:34,684 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 04:01:34,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13 conditions, 3 events. 0/3 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 2/5 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2023-08-30 04:01:34,696 INFO L137 encePairwiseOnDemand]: 106/108 looper letters, 0 selfloop transitions, 0 changer transitions 3/3 dead transitions. [2023-08-30 04:01:34,696 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 11 places, 3 transitions, 16 flow [2023-08-30 04:01:34,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 04:01:34,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 04:01:34,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 139 transitions. [2023-08-30 04:01:34,698 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42901234567901236 [2023-08-30 04:01:34,698 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 139 transitions. [2023-08-30 04:01:34,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 139 transitions. [2023-08-30 04:01:34,698 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 04:01:34,698 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 139 transitions. [2023-08-30 04:01:34,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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) [2023-08-30 04:01:34,700 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 108.0) internal successors, (432), 4 states have internal predecessors, (432), 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) [2023-08-30 04:01:34,700 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 108.0) internal successors, (432), 4 states have internal predecessors, (432), 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) [2023-08-30 04:01:34,700 INFO L175 Difference]: Start difference. First operand has 10 places, 4 transitions, 12 flow. Second operand 3 states and 139 transitions. [2023-08-30 04:01:34,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 11 places, 3 transitions, 16 flow [2023-08-30 04:01:34,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 10 places, 3 transitions, 15 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 04:01:34,701 INFO L231 Difference]: Finished difference. Result has 10 places, 0 transitions, 0 flow [2023-08-30 04:01:34,701 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=9, PETRI_DIFFERENCE_MINUEND_PLACES=8, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=10, PETRI_TRANSITIONS=0} [2023-08-30 04:01:34,701 INFO L281 CegarLoopForPetriNet]: 11 programPoint places, -1 predicate places. [2023-08-30 04:01:34,701 INFO L495 AbstractCegarLoop]: Abstraction has has 10 places, 0 transitions, 0 flow [2023-08-30 04:01:34,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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) [2023-08-30 04:01:34,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 5 remaining) [2023-08-30 04:01:34,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 5 remaining) [2023-08-30 04:01:34,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (2 of 5 remaining) [2023-08-30 04:01:34,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK (1 of 5 remaining) [2023-08-30 04:01:34,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-08-30 04:01:34,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-30 04:01:34,705 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-08-30 04:01:34,708 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 04:01:34,720 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 04:01:34,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 04:01:34 BasicIcfg [2023-08-30 04:01:34,723 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 04:01:34,724 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 04:01:34,724 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 04:01:34,724 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 04:01:34,724 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 04:01:32" (3/4) ... [2023-08-30 04:01:34,727 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 04:01:34,731 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-08-30 04:01:34,734 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-08-30 04:01:34,735 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-30 04:01:34,735 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-08-30 04:01:34,735 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 04:01:34,770 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 04:01:34,771 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 04:01:34,771 INFO L158 Benchmark]: Toolchain (without parser) took 3462.81ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 31.7MB in the beginning and 62.8MB in the end (delta: -31.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 04:01:34,772 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory was 28.6MB in the beginning and 28.6MB in the end (delta: 54.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 04:01:34,772 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.16ms. Allocated memory is still 62.9MB. Free memory was 31.5MB in the beginning and 28.5MB in the end (delta: 3.0MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2023-08-30 04:01:34,772 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.97ms. Allocated memory is still 62.9MB. Free memory was 28.3MB in the beginning and 42.5MB in the end (delta: -14.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 04:01:34,774 INFO L158 Benchmark]: Boogie Preprocessor took 36.80ms. Allocated memory is still 62.9MB. Free memory was 42.5MB in the beginning and 41.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 04:01:34,774 INFO L158 Benchmark]: RCFGBuilder took 302.92ms. Allocated memory is still 62.9MB. Free memory was 41.2MB in the beginning and 29.6MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 04:01:34,774 INFO L158 Benchmark]: TraceAbstraction took 2591.35ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 28.9MB in the beginning and 65.6MB in the end (delta: -36.8MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2023-08-30 04:01:34,775 INFO L158 Benchmark]: Witness Printer took 47.07ms. Allocated memory is still 92.3MB. Free memory was 64.9MB in the beginning and 62.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 04:01:34,777 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory was 28.6MB in the beginning and 28.6MB in the end (delta: 54.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.16ms. Allocated memory is still 62.9MB. Free memory was 31.5MB in the beginning and 28.5MB in the end (delta: 3.0MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.97ms. Allocated memory is still 62.9MB. Free memory was 28.3MB in the beginning and 42.5MB in the end (delta: -14.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.80ms. Allocated memory is still 62.9MB. Free memory was 42.5MB in the beginning and 41.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 302.92ms. Allocated memory is still 62.9MB. Free memory was 41.2MB in the beginning and 29.6MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2591.35ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 28.9MB in the beginning and 65.6MB in the end (delta: -36.8MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. * Witness Printer took 47.07ms. Allocated memory is still 92.3MB. Free memory was 64.9MB in the beginning and 62.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.8s, 50 PlacesBefore, 11 PlacesAfterwards, 47 TransitionsBefore, 7 TransitionsAfterwards, 84 CoEnabledTransitionPairs, 6 FixpointIterations, 34 TrivialSequentialCompositions, 16 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 56 TotalNumberOfCompositions, 60 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 60, independent: 60, independent conditional: 0, independent unconditional: 60, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 44, independent: 44, independent conditional: 0, independent unconditional: 44, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 60, independent: 16, independent conditional: 0, independent unconditional: 16, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 44, unknown conditional: 0, unknown unconditional: 44] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 19]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 686]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 57 locations, 5 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: 2.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 0 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 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! [2023-08-30 04:01:34,797 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE