./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/BrockschmidtCookFuhs-2013CAV-Introduction-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 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/termination-memory-alloca/BrockschmidtCookFuhs-2013CAV-Introduction-alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash c2e315411d969cb3046ee1b0f8c72e37aab101dc44bd506c8dc4443f0f8c96dc --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 01:36:34,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 01:36:34,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 01:36:34,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 01:36:34,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 01:36:34,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 01:36:34,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 01:36:34,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 01:36:34,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 01:36:34,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 01:36:34,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 01:36:34,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 01:36:34,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 01:36:34,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 01:36:34,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 01:36:34,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 01:36:34,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 01:36:34,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 01:36:34,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 01:36:34,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 01:36:34,947 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 01:36:34,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 01:36:34,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 01:36:34,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 01:36:34,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 01:36:34,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 01:36:34,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 01:36:34,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 01:36:34,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 01:36:34,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 01:36:34,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 01:36:34,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 01:36:34,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 01:36:34,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 01:36:34,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 01:36:34,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 01:36:34,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 01:36:34,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 01:36:34,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 01:36:34,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 01:36:34,969 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 01:36:34,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 01:36:34,973 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-22 01:36:34,993 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 01:36:34,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 01:36:34,994 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 01:36:34,994 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 01:36:34,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 01:36:34,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 01:36:34,995 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 01:36:34,995 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 01:36:34,996 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 01:36:34,996 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 01:36:34,996 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 01:36:34,997 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 01:36:34,997 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 01:36:34,997 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 01:36:34,997 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 01:36:34,997 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 01:36:34,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 01:36:34,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 01:36:34,998 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 01:36:34,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 01:36:34,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 01:36:34,998 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 01:36:34,998 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 01:36:34,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 01:36:34,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 01:36:34,999 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 01:36:34,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 01:36:34,999 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 01:36:35,000 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 01:36:35,001 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2e315411d969cb3046ee1b0f8c72e37aab101dc44bd506c8dc4443f0f8c96dc [2022-07-22 01:36:35,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 01:36:35,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 01:36:35,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 01:36:35,265 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 01:36:35,266 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 01:36:35,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/BrockschmidtCookFuhs-2013CAV-Introduction-alloca.i [2022-07-22 01:36:35,313 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93bb56c09/ae6aed38e84f458388ab0257a28b7d46/FLAG6b0546cf4 [2022-07-22 01:36:35,724 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 01:36:35,724 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/BrockschmidtCookFuhs-2013CAV-Introduction-alloca.i [2022-07-22 01:36:35,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93bb56c09/ae6aed38e84f458388ab0257a28b7d46/FLAG6b0546cf4 [2022-07-22 01:36:35,751 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93bb56c09/ae6aed38e84f458388ab0257a28b7d46 [2022-07-22 01:36:35,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 01:36:35,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 01:36:35,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 01:36:35,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 01:36:35,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 01:36:35,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:36:35" (1/1) ... [2022-07-22 01:36:35,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a4cd341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:36:35, skipping insertion in model container [2022-07-22 01:36:35,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:36:35" (1/1) ... [2022-07-22 01:36:35,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 01:36:35,802 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 01:36:36,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 01:36:36,036 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 01:36:36,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 01:36:36,089 INFO L208 MainTranslator]: Completed translation [2022-07-22 01:36:36,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:36:36 WrapperNode [2022-07-22 01:36:36,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 01:36:36,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 01:36:36,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 01:36:36,091 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 01:36:36,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:36:36" (1/1) ... [2022-07-22 01:36:36,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:36:36" (1/1) ... [2022-07-22 01:36:36,126 INFO L137 Inliner]: procedures = 109, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2022-07-22 01:36:36,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 01:36:36,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 01:36:36,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 01:36:36,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 01:36:36,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:36:36" (1/1) ... [2022-07-22 01:36:36,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:36:36" (1/1) ... [2022-07-22 01:36:36,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:36:36" (1/1) ... [2022-07-22 01:36:36,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:36:36" (1/1) ... [2022-07-22 01:36:36,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:36:36" (1/1) ... [2022-07-22 01:36:36,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:36:36" (1/1) ... [2022-07-22 01:36:36,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:36:36" (1/1) ... [2022-07-22 01:36:36,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 01:36:36,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 01:36:36,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 01:36:36,160 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 01:36:36,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:36:36" (1/1) ... [2022-07-22 01:36:36,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:36:36,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:36:36,190 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) [2022-07-22 01:36:36,198 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 [2022-07-22 01:36:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 01:36:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 01:36:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 01:36:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 01:36:36,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 01:36:36,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 01:36:36,282 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 01:36:36,283 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 01:36:36,394 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 01:36:36,397 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 01:36:36,398 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-22 01:36:36,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:36:36 BoogieIcfgContainer [2022-07-22 01:36:36,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 01:36:36,400 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 01:36:36,400 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 01:36:36,402 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 01:36:36,402 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:36:36,402 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 01:36:35" (1/3) ... [2022-07-22 01:36:36,403 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@276ee1ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 01:36:36, skipping insertion in model container [2022-07-22 01:36:36,403 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:36:36,403 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:36:36" (2/3) ... [2022-07-22 01:36:36,404 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@276ee1ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 01:36:36, skipping insertion in model container [2022-07-22 01:36:36,404 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:36:36,404 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:36:36" (3/3) ... [2022-07-22 01:36:36,405 INFO L354 chiAutomizerObserver]: Analyzing ICFG BrockschmidtCookFuhs-2013CAV-Introduction-alloca.i [2022-07-22 01:36:36,473 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 01:36:36,473 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 01:36:36,473 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 01:36:36,474 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 01:36:36,474 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 01:36:36,474 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 01:36:36,474 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 01:36:36,474 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 01:36:36,480 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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) [2022-07-22 01:36:36,493 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-22 01:36:36,493 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:36:36,493 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:36:36,497 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-22 01:36:36,497 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 01:36:36,497 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 01:36:36,498 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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) [2022-07-22 01:36:36,498 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-22 01:36:36,499 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:36:36,499 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:36:36,499 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-22 01:36:36,499 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 01:36:36,504 INFO L752 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~mem4#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(1, main_~y~0#1.base, main_~y~0#1.offset, 4); 5#L550-3true [2022-07-22 01:36:36,505 INFO L754 eck$LassoCheckResult]: Loop: 5#L550-3true call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 7#L550-1true assume !!(main_#t~mem4#1 > 0);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem6#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem5#1 - main_#t~mem6#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(1 + main_#t~mem7#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem7#1; 5#L550-3true [2022-07-22 01:36:36,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:36:36,512 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-07-22 01:36:36,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:36:36,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54694011] [2022-07-22 01:36:36,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:36:36,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:36:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:36:36,614 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:36:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:36:36,650 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:36:36,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:36:36,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2022-07-22 01:36:36,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:36:36,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599244363] [2022-07-22 01:36:36,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:36:36,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:36:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:36:36,692 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:36:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:36:36,707 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:36:36,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:36:36,714 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2022-07-22 01:36:36,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:36:36,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320246462] [2022-07-22 01:36:36,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:36:36,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:36:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:36:36,750 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:36:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:36:36,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:36:37,070 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 01:36:37,071 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 01:36:37,071 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 01:36:37,071 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 01:36:37,071 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 01:36:37,071 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:36:37,071 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 01:36:37,071 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 01:36:37,071 INFO L133 ssoRankerPreferences]: Filename of dumped script: BrockschmidtCookFuhs-2013CAV-Introduction-alloca.i_Iteration1_Lasso [2022-07-22 01:36:37,072 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 01:36:37,072 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 01:36:37,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:36:37,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:36:37,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:36:37,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:36:37,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:36:37,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:36:37,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:36:37,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:36:37,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:36:37,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:36:37,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 01:36:37,565 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 01:36:37,568 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 01:36:37,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:36:37,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:36:37,574 INFO L229 MonitoredProcess]: Starting monitored process 2 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) [2022-07-22 01:36:37,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-22 01:36:37,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:36:37,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:36:37,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:36:37,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:36:37,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:36:37,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:36:37,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:36:37,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:36:37,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:36:37,620 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-07-22 01:36:37,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:36:37,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:36:37,621 INFO L229 MonitoredProcess]: Starting monitored process 3 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) [2022-07-22 01:36:37,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-22 01:36:37,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:36:37,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:36:37,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 01:36:37,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:36:37,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:36:37,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:36:37,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 01:36:37,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 01:36:37,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:36:37,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-22 01:36:37,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:36:37,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:36:37,658 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2022-07-22 01:36:37,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-22 01:36:37,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:36:37,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:36:37,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:36:37,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:36:37,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:36:37,669 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:36:37,669 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:36:37,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:36:37,700 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-07-22 01:36:37,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:36:37,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:36:37,702 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2022-07-22 01:36:37,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-22 01:36:37,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:36:37,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:36:37,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:36:37,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:36:37,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:36:37,713 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:36:37,713 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:36:37,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:36:37,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-22 01:36:37,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:36:37,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:36:37,749 INFO L229 MonitoredProcess]: Starting monitored process 6 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) [2022-07-22 01:36:37,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-22 01:36:37,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:36:37,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:36:37,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:36:37,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:36:37,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:36:37,760 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:36:37,760 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:36:37,769 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:36:37,786 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-07-22 01:36:37,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:36:37,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:36:37,788 INFO L229 MonitoredProcess]: Starting monitored process 7 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) [2022-07-22 01:36:37,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-22 01:36:37,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:36:37,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:36:37,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:36:37,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:36:37,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:36:37,819 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:36:37,819 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:36:37,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:36:37,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-22 01:36:37,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:36:37,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:36:37,848 INFO L229 MonitoredProcess]: Starting monitored process 8 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) [2022-07-22 01:36:37,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-22 01:36:37,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:36:37,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:36:37,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:36:37,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:36:37,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:36:37,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:36:37,858 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:36:37,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:36:37,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-22 01:36:37,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:36:37,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:36:37,891 INFO L229 MonitoredProcess]: Starting monitored process 9 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) [2022-07-22 01:36:37,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-22 01:36:37,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:36:37,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:36:37,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:36:37,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:36:37,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:36:37,911 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:36:37,912 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:36:37,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 01:36:37,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-22 01:36:37,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:36:37,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:36:37,942 INFO L229 MonitoredProcess]: Starting monitored process 10 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) [2022-07-22 01:36:37,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-22 01:36:37,944 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 01:36:37,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 01:36:37,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 01:36:37,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 01:36:37,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 01:36:37,953 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 01:36:37,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 01:36:37,987 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 01:36:38,001 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 01:36:38,002 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 01:36:38,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:36:38,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:36:38,004 INFO L229 MonitoredProcess]: Starting monitored process 11 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) [2022-07-22 01:36:38,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-22 01:36:38,006 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 01:36:38,029 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-22 01:36:38,030 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 01:36:38,030 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_1 - 1 >= 0] [2022-07-22 01:36:38,079 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-22 01:36:38,103 INFO L293 tatePredicateManager]: 9 out of 12 supporting invariants were superfluous and have been removed [2022-07-22 01:36:38,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:36:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:36:38,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-22 01:36:38,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:36:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 01:36:38,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-22 01:36:38,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 01:36:38,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-22 01:36:38,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 01:36:38,234 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 01:36:38,235 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-07-22 01:36:38,293 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) Result 15 states and 17 transitions. Complement of second has 8 states. [2022-07-22 01:36:38,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-22 01:36:38,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-07-22 01:36:38,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9 transitions. [2022-07-22 01:36:38,298 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 2 letters. Loop has 2 letters. [2022-07-22 01:36:38,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:36:38,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-22 01:36:38,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:36:38,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 2 letters. Loop has 4 letters. [2022-07-22 01:36:38,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 01:36:38,299 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2022-07-22 01:36:38,300 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 01:36:38,302 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2022-07-22 01:36:38,302 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-22 01:36:38,302 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-22 01:36:38,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-22 01:36:38,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 01:36:38,303 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 01:36:38,303 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 01:36:38,303 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 01:36:38,303 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 01:36:38,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-22 01:36:38,303 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 01:36:38,303 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-22 01:36:38,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 01:36:38 BoogieIcfgContainer [2022-07-22 01:36:38,307 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 01:36:38,308 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 01:36:38,308 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 01:36:38,308 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 01:36:38,308 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:36:36" (3/4) ... [2022-07-22 01:36:38,310 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-22 01:36:38,310 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 01:36:38,311 INFO L158 Benchmark]: Toolchain (without parser) took 2555.55ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 34.8MB in the beginning and 47.6MB in the end (delta: -12.8MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2022-07-22 01:36:38,311 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 38.0MB in the beginning and 37.9MB in the end (delta: 52.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 01:36:38,311 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.25ms. Allocated memory is still 56.6MB. Free memory was 34.6MB in the beginning and 34.7MB in the end (delta: -113.1kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-22 01:36:38,312 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.07ms. Allocated memory is still 56.6MB. Free memory was 34.7MB in the beginning and 32.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 01:36:38,312 INFO L158 Benchmark]: Boogie Preprocessor took 30.28ms. Allocated memory is still 56.6MB. Free memory was 32.9MB in the beginning and 31.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 01:36:38,312 INFO L158 Benchmark]: RCFGBuilder took 239.63ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 31.8MB in the beginning and 56.2MB in the end (delta: -24.4MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2022-07-22 01:36:38,313 INFO L158 Benchmark]: BuchiAutomizer took 1907.85ms. Allocated memory is still 77.6MB. Free memory was 56.2MB in the beginning and 48.1MB in the end (delta: 8.1MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2022-07-22 01:36:38,313 INFO L158 Benchmark]: Witness Printer took 2.27ms. Allocated memory is still 77.6MB. Free memory was 48.1MB in the beginning and 47.6MB in the end (delta: 506.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 01:36:38,315 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 38.0MB in the beginning and 37.9MB in the end (delta: 52.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.25ms. Allocated memory is still 56.6MB. Free memory was 34.6MB in the beginning and 34.7MB in the end (delta: -113.1kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.07ms. Allocated memory is still 56.6MB. Free memory was 34.7MB in the beginning and 32.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.28ms. Allocated memory is still 56.6MB. Free memory was 32.9MB in the beginning and 31.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 239.63ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 31.8MB in the beginning and 56.2MB in the end (delta: -24.4MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 1907.85ms. Allocated memory is still 77.6MB. Free memory was 56.2MB in the beginning and 48.1MB in the end (delta: 8.1MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Witness Printer took 2.27ms. Allocated memory is still 77.6MB. Free memory was 48.1MB in the beginning and 47.6MB in the end (delta: 506.8kB). 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 (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x][x] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 2 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital203 mio100 ax108 hnf100 lsp89 ukn60 mio100 lsp41 div100 bol100 ite100 ukn100 eq172 hnf89 smp96 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-22 01:36:38,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (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