./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/NonTerminationSimple7.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a31fd051 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 ../sv-benchmarks/c/termination-crafted/NonTerminationSimple7.c -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 95f92d67113368ce9163571f81d85414539d558535b51b4568b3b416ae740375 --- Real Ultimate output --- This is Ultimate 0.2.2-?-a31fd05 [2023-02-15 12:47:36,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 12:47:36,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 12:47:36,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 12:47:36,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 12:47:36,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 12:47:36,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 12:47:36,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 12:47:36,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 12:47:36,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 12:47:36,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 12:47:36,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 12:47:36,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 12:47:36,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 12:47:36,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 12:47:36,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 12:47:36,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 12:47:36,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 12:47:36,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 12:47:36,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 12:47:36,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 12:47:36,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 12:47:36,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 12:47:36,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 12:47:36,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 12:47:36,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 12:47:36,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 12:47:36,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 12:47:36,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 12:47:36,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 12:47:36,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 12:47:36,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 12:47:36,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 12:47:36,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 12:47:36,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 12:47:36,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 12:47:36,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 12:47:36,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 12:47:36,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 12:47:36,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 12:47:36,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 12:47:36,802 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-02-15 12:47:36,818 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 12:47:36,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 12:47:36,819 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 12:47:36,819 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 12:47:36,819 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 12:47:36,820 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 12:47:36,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 12:47:36,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 12:47:36,821 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 12:47:36,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 12:47:36,821 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 12:47:36,821 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 12:47:36,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 12:47:36,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 12:47:36,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 12:47:36,822 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-15 12:47:36,822 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-15 12:47:36,822 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-15 12:47:36,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 12:47:36,822 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-15 12:47:36,823 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 12:47:36,823 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 12:47:36,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 12:47:36,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 12:47:36,823 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 12:47:36,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 12:47:36,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 12:47:36,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 12:47:36,824 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 12:47:36,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 12:47:36,824 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 12:47:36,825 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 12:47:36,825 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 12:47:36,825 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 12:47:36,825 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95f92d67113368ce9163571f81d85414539d558535b51b4568b3b416ae740375 [2023-02-15 12:47:37,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 12:47:37,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 12:47:37,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 12:47:37,093 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 12:47:37,097 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 12:47:37,098 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/NonTerminationSimple7.c [2023-02-15 12:47:38,214 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 12:47:38,364 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 12:47:38,364 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/NonTerminationSimple7.c [2023-02-15 12:47:38,369 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a452b3680/70e957c9750048748d8befebb1a711c7/FLAG468038ae1 [2023-02-15 12:47:38,382 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a452b3680/70e957c9750048748d8befebb1a711c7 [2023-02-15 12:47:38,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 12:47:38,385 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 12:47:38,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 12:47:38,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 12:47:38,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 12:47:38,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 12:47:38" (1/1) ... [2023-02-15 12:47:38,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@695d48cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:47:38, skipping insertion in model container [2023-02-15 12:47:38,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 12:47:38" (1/1) ... [2023-02-15 12:47:38,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 12:47:38,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 12:47:38,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 12:47:38,569 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 12:47:38,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 12:47:38,608 INFO L208 MainTranslator]: Completed translation [2023-02-15 12:47:38,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:47:38 WrapperNode [2023-02-15 12:47:38,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 12:47:38,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 12:47:38,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 12:47:38,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 12:47:38,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:47:38" (1/1) ... [2023-02-15 12:47:38,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:47:38" (1/1) ... [2023-02-15 12:47:38,630 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2023-02-15 12:47:38,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 12:47:38,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 12:47:38,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 12:47:38,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 12:47:38,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:47:38" (1/1) ... [2023-02-15 12:47:38,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:47:38" (1/1) ... [2023-02-15 12:47:38,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:47:38" (1/1) ... [2023-02-15 12:47:38,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:47:38" (1/1) ... [2023-02-15 12:47:38,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:47:38" (1/1) ... [2023-02-15 12:47:38,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:47:38" (1/1) ... [2023-02-15 12:47:38,644 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:47:38" (1/1) ... [2023-02-15 12:47:38,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:47:38" (1/1) ... [2023-02-15 12:47:38,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 12:47:38,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 12:47:38,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 12:47:38,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 12:47:38,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:47:38" (1/1) ... [2023-02-15 12:47:38,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 12:47:38,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 12:47:38,671 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) [2023-02-15 12:47:38,672 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 [2023-02-15 12:47:38,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 12:47:38,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 12:47:38,759 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 12:47:38,761 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 12:47:38,844 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 12:47:38,851 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 12:47:38,851 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-15 12:47:38,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:47:38 BoogieIcfgContainer [2023-02-15 12:47:38,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 12:47:38,856 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 12:47:38,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 12:47:38,859 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 12:47:38,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 12:47:38" (1/3) ... [2023-02-15 12:47:38,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38c22458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 12:47:38, skipping insertion in model container [2023-02-15 12:47:38,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:47:38" (2/3) ... [2023-02-15 12:47:38,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38c22458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 12:47:38, skipping insertion in model container [2023-02-15 12:47:38,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:47:38" (3/3) ... [2023-02-15 12:47:38,863 INFO L112 eAbstractionObserver]: Analyzing ICFG NonTerminationSimple7.c [2023-02-15 12:47:38,878 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 12:47:38,878 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-02-15 12:47:38,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38c22458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 12:47:38, skipping insertion in model container [2023-02-15 12:47:38,879 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-15 12:47:38,881 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 12:47:38,881 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 12:47:38,881 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 12:47:38,881 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:47:38" (3/3) ... [2023-02-15 12:47:38,885 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-15 12:47:38,901 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-15 12:47:38,901 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-02-15 12:47:38,901 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-15 12:47:38,938 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-15 12:47:38,939 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 12:47:38,940 INFO L158 Benchmark]: Toolchain (without parser) took 554.47ms. Allocated memory is still 148.9MB. Free memory was 113.6MB in the beginning and 104.9MB in the end (delta: 8.7MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2023-02-15 12:47:38,940 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 119.5MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 12:47:38,941 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.78ms. Allocated memory is still 148.9MB. Free memory was 113.6MB in the beginning and 120.3MB in the end (delta: -6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-15 12:47:38,941 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.51ms. Allocated memory is still 148.9MB. Free memory was 120.3MB in the beginning and 119.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 12:47:38,943 INFO L158 Benchmark]: Boogie Preprocessor took 13.83ms. Allocated memory is still 148.9MB. Free memory was 119.0MB in the beginning and 118.2MB in the end (delta: 816.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 12:47:38,944 INFO L158 Benchmark]: RCFGBuilder took 207.33ms. Allocated memory is still 148.9MB. Free memory was 118.2MB in the beginning and 109.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-15 12:47:38,946 INFO L158 Benchmark]: TraceAbstraction took 23.28ms. Allocated memory is still 148.9MB. Free memory was 109.1MB in the beginning and 107.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 12:47:38,947 INFO L158 Benchmark]: Witness Printer took 58.16ms. Allocated memory is still 148.9MB. Free memory was 107.5MB in the beginning and 104.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 12:47:38,949 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 119.5MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 222.78ms. Allocated memory is still 148.9MB. Free memory was 113.6MB in the beginning and 120.3MB in the end (delta: -6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.51ms. Allocated memory is still 148.9MB. Free memory was 120.3MB in the beginning and 119.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.83ms. Allocated memory is still 148.9MB. Free memory was 119.0MB in the beginning and 118.2MB in the end (delta: 816.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 207.33ms. Allocated memory is still 148.9MB. Free memory was 118.2MB in the beginning and 109.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 23.28ms. Allocated memory is still 148.9MB. Free memory was 109.1MB in the beginning and 107.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 58.16ms. Allocated memory is still 148.9MB. Free memory was 107.5MB in the beginning and 104.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-02-15 12:47:38,969 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