./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/memsafety/test-0217.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/memsafety/test-0217.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-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(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 163bc3b45d6f21a8e478003f84571178259b289b3d9717ecadbc4595fc507bec --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 16:34:08,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 16:34:08,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 16:34:08,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 16:34:08,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 16:34:08,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 16:34:08,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 16:34:08,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 16:34:08,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 16:34:08,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 16:34:08,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 16:34:08,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 16:34:08,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 16:34:08,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 16:34:08,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 16:34:08,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 16:34:08,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 16:34:08,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 16:34:08,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 16:34:08,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 16:34:08,727 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 16:34:08,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 16:34:08,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 16:34:08,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 16:34:08,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 16:34:08,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 16:34:08,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 16:34:08,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 16:34:08,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 16:34:08,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 16:34:08,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 16:34:08,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 16:34:08,739 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 16:34:08,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 16:34:08,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 16:34:08,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 16:34:08,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 16:34:08,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 16:34:08,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 16:34:08,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 16:34:08,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 16:34:08,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 16:34:08,745 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-14 16:34:08,767 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 16:34:08,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 16:34:08,768 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 16:34:08,768 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 16:34:08,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 16:34:08,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 16:34:08,770 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 16:34:08,770 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 16:34:08,770 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 16:34:08,770 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 16:34:08,771 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 16:34:08,771 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 16:34:08,771 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 16:34:08,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 16:34:08,771 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-14 16:34:08,771 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 16:34:08,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 16:34:08,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-14 16:34:08,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 16:34:08,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 16:34:08,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 16:34:08,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 16:34:08,773 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-14 16:34:08,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 16:34:08,774 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 16:34:08,774 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 16:34:08,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 16:34:08,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 16:34:08,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 16:34:08,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 16:34:08,775 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 16:34:08,776 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 16:34:08,776 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 163bc3b45d6f21a8e478003f84571178259b289b3d9717ecadbc4595fc507bec [2022-07-14 16:34:08,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 16:34:08,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 16:34:08,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 16:34:08,976 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 16:34:08,977 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 16:34:08,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/test-0217.i [2022-07-14 16:34:09,032 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/634851521/6e1ee3395134459585b05747e2589882/FLAG7b0063d4f [2022-07-14 16:34:09,430 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 16:34:09,431 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/test-0217.i [2022-07-14 16:34:09,443 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/634851521/6e1ee3395134459585b05747e2589882/FLAG7b0063d4f [2022-07-14 16:34:09,454 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/634851521/6e1ee3395134459585b05747e2589882 [2022-07-14 16:34:09,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 16:34:09,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 16:34:09,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 16:34:09,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 16:34:09,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 16:34:09,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:34:09" (1/1) ... [2022-07-14 16:34:09,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff1b341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:34:09, skipping insertion in model container [2022-07-14 16:34:09,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:34:09" (1/1) ... [2022-07-14 16:34:09,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 16:34:09,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 16:34:09,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 16:34:09,777 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 16:34:09,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 16:34:09,841 INFO L208 MainTranslator]: Completed translation [2022-07-14 16:34:09,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:34:09 WrapperNode [2022-07-14 16:34:09,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 16:34:09,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 16:34:09,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 16:34:09,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 16:34:09,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:34:09" (1/1) ... [2022-07-14 16:34:09,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:34:09" (1/1) ... [2022-07-14 16:34:09,887 INFO L137 Inliner]: procedures = 181, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 202 [2022-07-14 16:34:09,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 16:34:09,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 16:34:09,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 16:34:09,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 16:34:09,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:34:09" (1/1) ... [2022-07-14 16:34:09,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:34:09" (1/1) ... [2022-07-14 16:34:09,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:34:09" (1/1) ... [2022-07-14 16:34:09,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:34:09" (1/1) ... [2022-07-14 16:34:09,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:34:09" (1/1) ... [2022-07-14 16:34:09,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:34:09" (1/1) ... [2022-07-14 16:34:09,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:34:09" (1/1) ... [2022-07-14 16:34:09,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 16:34:09,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 16:34:09,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 16:34:09,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 16:34:09,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:34:09" (1/1) ... [2022-07-14 16:34:09,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:34:09,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:34:09,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 16:34:09,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-14 16:34:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 16:34:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 16:34:09,993 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 16:34:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 16:34:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 16:34:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 16:34:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 16:34:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 16:34:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 16:34:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 16:34:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 16:34:09,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 16:34:10,077 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 16:34:10,078 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 16:34:10,080 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-14 16:34:10,307 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 16:34:10,311 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 16:34:10,312 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-07-14 16:34:10,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:34:10 BoogieIcfgContainer [2022-07-14 16:34:10,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 16:34:10,314 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 16:34:10,314 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 16:34:10,316 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 16:34:10,317 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 16:34:10,317 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 04:34:09" (1/3) ... [2022-07-14 16:34:10,318 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15b313f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 04:34:10, skipping insertion in model container [2022-07-14 16:34:10,318 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 16:34:10,318 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:34:09" (2/3) ... [2022-07-14 16:34:10,318 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15b313f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 04:34:10, skipping insertion in model container [2022-07-14 16:34:10,318 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 16:34:10,318 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:34:10" (3/3) ... [2022-07-14 16:34:10,319 INFO L354 chiAutomizerObserver]: Analyzing ICFG test-0217.i [2022-07-14 16:34:10,367 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 16:34:10,368 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 16:34:10,368 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 16:34:10,368 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 16:34:10,368 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 16:34:10,368 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 16:34:10,369 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 16:34:10,369 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 16:34:10,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 52 states, 49 states have (on average 1.5510204081632653) internal successors, (76), 49 states have internal predecessors, (76), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-14 16:34:10,394 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2022-07-14 16:34:10,394 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:34:10,394 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:34:10,398 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-14 16:34:10,399 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-14 16:34:10,399 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-14 16:34:10,399 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 52 states, 49 states have (on average 1.5510204081632653) internal successors, (76), 49 states have internal predecessors, (76), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-14 16:34:10,405 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2022-07-14 16:34:10,406 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:34:10,406 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:34:10,406 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-14 16:34:10,406 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-14 16:34:10,411 INFO L752 eck$LassoCheckResult]: Stem: 40#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);~#list~0.base, ~#list~0.offset := 3, 0;call #Ultimate.allocInit(8, 3);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 27#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret31#1, main_#t~nondet30#1, main_#t~ret33#1, main_#t~nondet32#1, main_#t~nondet29#1, main_#t~nondet34#1, main_#t~mem35#1.base, main_#t~mem35#1.offset, main_#t~mem36#1.base, main_#t~mem36#1.offset, main_~next~1#1.base, main_~next~1#1.offset, main_~end_point~0#1, main_~direction~0#1, main_~cursor~1#1.base, main_~cursor~1#1.offset; 29#L732-2true [2022-07-14 16:34:10,411 INFO L754 eck$LassoCheckResult]: Loop: 29#L732-2true assume !!(0 != main_#t~nondet29#1);havoc main_#t~nondet29#1; 39#L730-2true assume !true; 47#L732-1true assume !true; 29#L732-2true [2022-07-14 16:34:10,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:34:10,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2022-07-14 16:34:10,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:34:10,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645519719] [2022-07-14 16:34:10,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:34:10,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:34:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:10,479 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:34:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:10,510 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:34:10,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:34:10,514 INFO L85 PathProgramCache]: Analyzing trace with hash 52490, now seen corresponding path program 1 times [2022-07-14 16:34:10,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:34:10,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687018042] [2022-07-14 16:34:10,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:34:10,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:34:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:34:10,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:34:10,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 16:34:10,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687018042] [2022-07-14 16:34:10,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687018042] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 16:34:10,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 16:34:10,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 16:34:10,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194810246] [2022-07-14 16:34:10,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 16:34:10,567 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-14 16:34:10,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 16:34:10,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-14 16:34:10,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 16:34:10,596 INFO L87 Difference]: Start difference. First operand has 52 states, 49 states have (on average 1.5510204081632653) internal successors, (76), 49 states have internal predecessors, (76), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:34:10,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 16:34:10,607 INFO L93 Difference]: Finished difference Result 52 states and 72 transitions. [2022-07-14 16:34:10,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-14 16:34:10,611 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 72 transitions. [2022-07-14 16:34:10,617 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2022-07-14 16:34:10,624 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 48 states and 68 transitions. [2022-07-14 16:34:10,624 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 48 [2022-07-14 16:34:10,625 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 48 [2022-07-14 16:34:10,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 68 transitions. [2022-07-14 16:34:10,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:34:10,626 INFO L369 hiAutomatonCegarLoop]: Abstraction has 48 states and 68 transitions. [2022-07-14 16:34:10,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 68 transitions. [2022-07-14 16:34:10,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-07-14 16:34:10,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 46 states have (on average 1.434782608695652) internal successors, (66), 45 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-14 16:34:10,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 68 transitions. [2022-07-14 16:34:10,643 INFO L392 hiAutomatonCegarLoop]: Abstraction has 48 states and 68 transitions. [2022-07-14 16:34:10,644 INFO L374 stractBuchiCegarLoop]: Abstraction has 48 states and 68 transitions. [2022-07-14 16:34:10,644 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-14 16:34:10,644 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 68 transitions. [2022-07-14 16:34:10,645 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 39 [2022-07-14 16:34:10,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:34:10,646 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:34:10,646 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-14 16:34:10,646 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-14 16:34:10,646 INFO L752 eck$LassoCheckResult]: Stem: 149#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);~#list~0.base, ~#list~0.offset := 3, 0;call #Ultimate.allocInit(8, 3);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 116#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret31#1, main_#t~nondet30#1, main_#t~ret33#1, main_#t~nondet32#1, main_#t~nondet29#1, main_#t~nondet34#1, main_#t~mem35#1.base, main_#t~mem35#1.offset, main_#t~mem36#1.base, main_#t~mem36#1.offset, main_~next~1#1.base, main_~next~1#1.offset, main_~end_point~0#1, main_~direction~0#1, main_~cursor~1#1.base, main_~cursor~1#1.offset; 117#L732-2 [2022-07-14 16:34:10,646 INFO L754 eck$LassoCheckResult]: Loop: 117#L732-2 assume !!(0 != main_#t~nondet29#1);havoc main_#t~nondet29#1; 122#L730-2 assume !(0 != main_#t~nondet30#1);havoc main_#t~nondet30#1; 147#L732-1 assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1; 117#L732-2 [2022-07-14 16:34:10,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:34:10,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2022-07-14 16:34:10,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:34:10,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832658069] [2022-07-14 16:34:10,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:34:10,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:34:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:10,674 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:34:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:10,680 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:34:10,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:34:10,681 INFO L85 PathProgramCache]: Analyzing trace with hash 49962, now seen corresponding path program 1 times [2022-07-14 16:34:10,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:34:10,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243759501] [2022-07-14 16:34:10,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:34:10,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:34:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:10,685 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:34:10,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:10,687 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:34:10,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:34:10,688 INFO L85 PathProgramCache]: Analyzing trace with hash 37288712, now seen corresponding path program 1 times [2022-07-14 16:34:10,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:34:10,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363225644] [2022-07-14 16:34:10,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:34:10,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:34:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:10,695 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:34:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:34:10,701 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:34:10,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.07 04:34:10 BoogieIcfgContainer [2022-07-14 16:34:10,832 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-14 16:34:10,833 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 16:34:10,833 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 16:34:10,833 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 16:34:10,833 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:34:10" (3/4) ... [2022-07-14 16:34:10,835 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-14 16:34:10,854 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-14 16:34:10,854 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 16:34:10,855 INFO L158 Benchmark]: Toolchain (without parser) took 1397.67ms. Allocated memory was 102.8MB in the beginning and 146.8MB in the end (delta: 44.0MB). Free memory was 69.7MB in the beginning and 94.2MB in the end (delta: -24.5MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2022-07-14 16:34:10,855 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 102.8MB. Free memory was 59.9MB in the beginning and 59.9MB in the end (delta: 47.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 16:34:10,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.65ms. Allocated memory was 102.8MB in the beginning and 146.8MB in the end (delta: 44.0MB). Free memory was 69.5MB in the beginning and 109.0MB in the end (delta: -39.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-14 16:34:10,856 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.00ms. Allocated memory is still 146.8MB. Free memory was 109.0MB in the beginning and 106.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-14 16:34:10,856 INFO L158 Benchmark]: Boogie Preprocessor took 35.06ms. Allocated memory is still 146.8MB. Free memory was 106.0MB in the beginning and 103.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 16:34:10,857 INFO L158 Benchmark]: RCFGBuilder took 390.08ms. Allocated memory is still 146.8MB. Free memory was 103.9MB in the beginning and 83.8MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-07-14 16:34:10,857 INFO L158 Benchmark]: BuchiAutomizer took 518.57ms. Allocated memory is still 146.8MB. Free memory was 83.8MB in the beginning and 95.5MB in the end (delta: -11.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 16:34:10,857 INFO L158 Benchmark]: Witness Printer took 21.43ms. Allocated memory is still 146.8MB. Free memory was 95.5MB in the beginning and 94.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 16:34:10,859 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 102.8MB. Free memory was 59.9MB in the beginning and 59.9MB in the end (delta: 47.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.65ms. Allocated memory was 102.8MB in the beginning and 146.8MB in the end (delta: 44.0MB). Free memory was 69.5MB in the beginning and 109.0MB in the end (delta: -39.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.00ms. Allocated memory is still 146.8MB. Free memory was 109.0MB in the beginning and 106.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.06ms. Allocated memory is still 146.8MB. Free memory was 106.0MB in the beginning and 103.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 390.08ms. Allocated memory is still 146.8MB. Free memory was 103.9MB in the beginning and 83.8MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 518.57ms. Allocated memory is still 146.8MB. Free memory was 83.8MB in the beginning and 95.5MB in the end (delta: -11.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 21.43ms. Allocated memory is still 146.8MB. Free memory was 95.5MB in the beginning and 94.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 2 locations. The remainder module has 48 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 72 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 729]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {next=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@49e14a54=0, NULL=0, next=0, end_point=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@49e14a54=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@1f188b67=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@1f188b67=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ef597fb=0, NULL=0, list=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3fda37e=0, cursor=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19775436=0, list=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13709df=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d2e5169=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a7b15fd=5, cursor=0, direction=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 729]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L728] static list_t list; Loop: [L729] COND TRUE __VERIFIER_nondet_int() [L730] COND FALSE !(__VERIFIER_nondet_int()) [L732] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-14 16:34:10,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)