./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/a.05-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 20ed64ec 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/a.05-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 5313d851fadec6c1d632e24c5024506d6d98176e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 14:16:28,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 14:16:28,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 14:16:29,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 14:16:29,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 14:16:29,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 14:16:29,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 14:16:29,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 14:16:29,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 14:16:29,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 14:16:29,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 14:16:29,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 14:16:29,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 14:16:29,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 14:16:29,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 14:16:29,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 14:16:29,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 14:16:29,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 14:16:29,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 14:16:29,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 14:16:29,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 14:16:29,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 14:16:29,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 14:16:29,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 14:16:29,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 14:16:29,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 14:16:29,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 14:16:29,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 14:16:29,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 14:16:29,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 14:16:29,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 14:16:29,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 14:16:29,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 14:16:29,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 14:16:29,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 14:16:29,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 14:16:29,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 14:16:29,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 14:16:29,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 14:16:29,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 14:16:29,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 14:16:29,074 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-08-27 14:16:29,110 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 14:16:29,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 14:16:29,111 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 14:16:29,111 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 14:16:29,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 14:16:29,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 14:16:29,114 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 14:16:29,114 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 14:16:29,114 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 14:16:29,114 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 14:16:29,115 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 14:16:29,115 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 14:16:29,115 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 14:16:29,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 14:16:29,116 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 14:16:29,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 14:16:29,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 14:16:29,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 14:16:29,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 14:16:29,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 14:16:29,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 14:16:29,117 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 14:16:29,117 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 14:16:29,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 14:16:29,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 14:16:29,118 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 14:16:29,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 14:16:29,118 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 14:16:29,118 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 14:16:29,119 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 14:16:29,119 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5313d851fadec6c1d632e24c5024506d6d98176e [2021-08-27 14:16:29,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 14:16:29,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 14:16:29,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 14:16:29,497 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 14:16:29,499 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 14:16:29,500 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/a.05-alloca.i [2021-08-27 14:16:29,558 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/747dadf9a/9c12baf6e3d24faea9e7f69c4f8f19bc/FLAG641481a50 [2021-08-27 14:16:29,965 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 14:16:29,966 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/a.05-alloca.i [2021-08-27 14:16:29,983 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/747dadf9a/9c12baf6e3d24faea9e7f69c4f8f19bc/FLAG641481a50 [2021-08-27 14:16:30,326 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/747dadf9a/9c12baf6e3d24faea9e7f69c4f8f19bc [2021-08-27 14:16:30,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 14:16:30,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 14:16:30,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 14:16:30,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 14:16:30,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 14:16:30,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:16:30" (1/1) ... [2021-08-27 14:16:30,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8156057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:16:30, skipping insertion in model container [2021-08-27 14:16:30,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:16:30" (1/1) ... [2021-08-27 14:16:30,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 14:16:30,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 14:16:30,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 14:16:30,654 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 14:16:30,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 14:16:30,727 INFO L208 MainTranslator]: Completed translation [2021-08-27 14:16:30,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:16:30 WrapperNode [2021-08-27 14:16:30,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 14:16:30,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 14:16:30,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 14:16:30,729 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 14:16:30,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:16:30" (1/1) ... [2021-08-27 14:16:30,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:16:30" (1/1) ... [2021-08-27 14:16:30,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 14:16:30,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 14:16:30,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 14:16:30,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 14:16:30,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:16:30" (1/1) ... [2021-08-27 14:16:30,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:16:30" (1/1) ... [2021-08-27 14:16:30,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:16:30" (1/1) ... [2021-08-27 14:16:30,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:16:30" (1/1) ... [2021-08-27 14:16:30,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:16:30" (1/1) ... [2021-08-27 14:16:30,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:16:30" (1/1) ... [2021-08-27 14:16:30,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:16:30" (1/1) ... [2021-08-27 14:16:30,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 14:16:30,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 14:16:30,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 14:16:30,798 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 14:16:30,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:16:30" (1/1) ... [2021-08-27 14:16:30,805 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:16:30,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:16:30,820 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) [2021-08-27 14:16:30,822 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 [2021-08-27 14:16:30,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-27 14:16:30,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-27 14:16:30,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 14:16:30,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 14:16:30,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 14:16:30,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 14:16:31,146 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 14:16:31,147 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-27 14:16:31,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:16:31 BoogieIcfgContainer [2021-08-27 14:16:31,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 14:16:31,149 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 14:16:31,149 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 14:16:31,151 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 14:16:31,152 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:16:31,152 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 02:16:30" (1/3) ... [2021-08-27 14:16:31,153 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2fbe69a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 02:16:31, skipping insertion in model container [2021-08-27 14:16:31,153 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:16:31,153 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:16:30" (2/3) ... [2021-08-27 14:16:31,153 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2fbe69a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 02:16:31, skipping insertion in model container [2021-08-27 14:16:31,153 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:16:31,153 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:16:31" (3/3) ... [2021-08-27 14:16:31,154 INFO L389 chiAutomizerObserver]: Analyzing ICFG a.05-alloca.i [2021-08-27 14:16:31,214 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 14:16:31,214 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 14:16:31,215 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 14:16:31,215 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 14:16:31,215 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 14:16:31,215 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 14:16:31,215 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 14:16:31,215 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 14:16:31,233 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) [2021-08-27 14:16:31,249 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-27 14:16:31,249 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:16:31,249 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:16:31,254 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-27 14:16:31,254 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 14:16:31,254 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 14:16:31,254 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) [2021-08-27 14:16:31,256 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-27 14:16:31,257 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:16:31,257 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:16:31,257 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-27 14:16:31,257 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 14:16:31,262 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~ret13;test_fun_#in~x, test_fun_#in~y := main_#t~nondet11, main_#t~nondet12;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem9, test_fun_#t~mem5, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~short8, test_fun_#t~mem10, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 10#L555-5true [2021-08-27 14:16:31,262 INFO L793 eck$LassoCheckResult]: Loop: 10#L555-5true call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 < 2147483647; 11#L555-1true assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 >= 1 + test_fun_#t~mem6; 6#L555-3true assume !!test_fun_#t~short8;havoc test_fun_#t~mem5;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;havoc test_fun_#t~short8;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem9, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem9; 10#L555-5true [2021-08-27 14:16:31,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:16:31,271 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-08-27 14:16:31,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:16:31,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667283641] [2021-08-27 14:16:31,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:16:31,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:16:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:16:31,405 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:16:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:16:31,465 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:16:31,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:16:31,467 INFO L82 PathProgramCache]: Analyzing trace with hash 36846, now seen corresponding path program 1 times [2021-08-27 14:16:31,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:16:31,468 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085821310] [2021-08-27 14:16:31,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:16:31,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:16:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:16:31,477 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:16:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:16:31,488 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:16:31,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:16:31,489 INFO L82 PathProgramCache]: Analyzing trace with hash 28695788, now seen corresponding path program 1 times [2021-08-27 14:16:31,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:16:31,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655494945] [2021-08-27 14:16:31,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:16:31,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:16:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:16:31,517 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:16:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:16:31,541 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:16:32,402 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:16:32,403 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:16:32,403 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:16:32,404 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:16:32,404 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:16:32,404 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:16:32,404 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:16:32,404 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:16:32,404 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.05-alloca.i_Iteration1_Lasso [2021-08-27 14:16:32,405 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:16:32,405 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:16:32,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:16:32,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:16:32,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:16:32,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:16:32,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:16:32,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:16:32,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:16:32,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:16:32,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:16:32,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:16:32,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:16:32,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:16:32,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:16:32,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:16:32,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:16:32,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:16:33,357 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:16:33,360 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:16:33,362 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:16:33,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:16:33,377 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) [2021-08-27 14:16:33,381 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 [2021-08-27 14:16:33,382 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 [2021-08-27 14:16:33,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:16:33,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:16:33,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:16:33,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:16:33,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:16:33,393 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:16:33,393 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:16:33,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:16:33,424 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 [2021-08-27 14:16:33,425 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:16:33,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:16:33,426 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) [2021-08-27 14:16:33,430 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 [2021-08-27 14:16:33,430 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 [2021-08-27 14:16:33,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:16:33,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:16:33,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:16:33,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:16:33,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:16:33,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:16:33,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:16:33,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:16:33,462 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 [2021-08-27 14:16:33,463 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:16:33,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:16:33,463 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) [2021-08-27 14:16:33,464 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 [2021-08-27 14:16:33,465 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 [2021-08-27 14:16:33,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:16:33,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:16:33,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:16:33,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:16:33,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:16:33,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:16:33,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:16:33,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:16:33,494 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-08-27 14:16:33,494 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:16:33,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:16:33,495 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) [2021-08-27 14:16:33,496 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 [2021-08-27 14:16:33,497 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 [2021-08-27 14:16:33,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:16:33,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:16:33,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:16:33,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:16:33,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:16:33,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:16:33,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:16:33,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:16:33,525 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 [2021-08-27 14:16:33,526 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:16:33,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:16:33,526 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) [2021-08-27 14:16:33,527 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 [2021-08-27 14:16:33,528 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 [2021-08-27 14:16:33,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:16:33,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:16:33,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:16:33,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:16:33,537 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:16:33,538 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:16:33,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:16:33,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-08-27 14:16:33,555 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:16:33,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:16:33,556 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) [2021-08-27 14:16:33,557 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 [2021-08-27 14:16:33,559 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 [2021-08-27 14:16:33,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:16:33,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:16:33,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:16:33,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:16:33,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:16:33,566 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:16:33,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:16:33,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:16:33,586 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 [2021-08-27 14:16:33,586 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:16:33,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:16:33,587 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) [2021-08-27 14:16:33,588 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 [2021-08-27 14:16:33,589 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 [2021-08-27 14:16:33,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:16:33,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:16:33,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:16:33,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:16:33,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:16:33,597 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:16:33,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:16:33,618 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 [2021-08-27 14:16:33,618 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:16:33,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:16:33,619 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) [2021-08-27 14:16:33,620 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 [2021-08-27 14:16:33,622 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 [2021-08-27 14:16:33,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:16:33,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:16:33,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:16:33,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:16:33,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:16:33,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:16:33,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:16:33,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:16:33,644 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 [2021-08-27 14:16:33,644 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:16:33,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:16:33,645 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) [2021-08-27 14:16:33,646 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 [2021-08-27 14:16:33,647 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 [2021-08-27 14:16:33,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:16:33,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:16:33,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:16:33,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:16:33,656 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:16:33,656 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:16:33,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:16:33,674 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 [2021-08-27 14:16:33,674 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:16:33,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:16:33,675 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) [2021-08-27 14:16:33,676 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 [2021-08-27 14:16:33,678 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 [2021-08-27 14:16:33,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:16:33,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:16:33,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:16:33,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:16:33,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:16:33,684 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:16:33,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:16:33,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:16:33,730 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 [2021-08-27 14:16:33,731 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:16:33,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:16:33,732 INFO L229 MonitoredProcess]: Starting monitored process 12 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) [2021-08-27 14:16:33,741 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 [2021-08-27 14:16:33,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:16:33,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:16:33,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:16:33,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:16:33,750 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:16:33,751 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:16:33,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-08-27 14:16:33,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:16:33,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-08-27 14:16:33,782 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:16:33,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:16:33,783 INFO L229 MonitoredProcess]: Starting monitored process 13 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) [2021-08-27 14:16:33,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-08-27 14:16:33,785 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 [2021-08-27 14:16:33,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:16:33,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:16:33,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:16:33,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:16:33,802 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:16:33,802 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:16:33,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:16:33,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-08-27 14:16:33,827 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:16:33,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:16:33,828 INFO L229 MonitoredProcess]: Starting monitored process 14 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) [2021-08-27 14:16:33,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-08-27 14:16:33,830 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 [2021-08-27 14:16:33,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:16:33,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:16:33,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:16:33,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:16:33,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:16:33,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:16:33,872 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 14:16:33,889 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-08-27 14:16:33,889 INFO L444 ModelExtractionUtils]: 9 out of 28 variables were initially zero. Simplification set additionally 16 variables to zero. [2021-08-27 14:16:33,891 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:16:33,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:16:33,909 INFO L229 MonitoredProcess]: Starting monitored process 15 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) [2021-08-27 14:16:33,953 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 14:16:33,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-08-27 14:16:33,982 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 14:16:33,982 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 14:16:33,983 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 + 4294967293 Supporting invariants [] [2021-08-27 14:16:34,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-08-27 14:16:34,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-08-27 14:16:34,096 INFO L297 tatePredicateManager]: 23 out of 23 supporting invariants were superfluous and have been removed [2021-08-27 14:16:34,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:16:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:16:34,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 14:16:34,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:16:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:16:34,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 14:16:34,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:16:34,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:16:34,288 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-08-27 14:16:34,289 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2021-08-27 14:16:34,346 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 35 states and 38 transitions. Complement of second has 9 states. [2021-08-27 14:16:34,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-08-27 14:16:34,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2021-08-27 14:16:34,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 22 transitions. [2021-08-27 14:16:34,350 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 2 letters. Loop has 3 letters. [2021-08-27 14:16:34,351 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:16:34,351 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 5 letters. Loop has 3 letters. [2021-08-27 14:16:34,351 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:16:34,351 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 2 letters. Loop has 6 letters. [2021-08-27 14:16:34,352 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:16:34,352 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 38 transitions. [2021-08-27 14:16:34,355 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 14:16:34,357 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2021-08-27 14:16:34,357 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 14:16:34,357 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 14:16:34,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 14:16:34,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:16:34,358 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:16:34,358 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:16:34,358 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:16:34,358 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 14:16:34,358 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 14:16:34,358 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 14:16:34,358 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 14:16:34,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 02:16:34 BoogieIcfgContainer [2021-08-27 14:16:34,362 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 14:16:34,362 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 14:16:34,362 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 14:16:34,362 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 14:16:34,362 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:16:31" (3/4) ... [2021-08-27 14:16:34,364 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 14:16:34,364 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 14:16:34,369 INFO L168 Benchmark]: Toolchain (without parser) took 4034.83 ms. Allocated memory was 54.5 MB in the beginning and 98.6 MB in the end (delta: 44.0 MB). Free memory was 30.8 MB in the beginning and 37.4 MB in the end (delta: -6.7 MB). Peak memory consumption was 36.6 MB. Max. memory is 16.1 GB. [2021-08-27 14:16:34,370 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 54.5 MB. Free memory was 37.0 MB in the beginning and 37.0 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:16:34,370 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.94 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.6 MB in the beginning and 45.6 MB in the end (delta: -15.0 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-08-27 14:16:34,371 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.47 ms. Allocated memory is still 67.1 MB. Free memory was 45.4 MB in the beginning and 43.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 14:16:34,371 INFO L168 Benchmark]: Boogie Preprocessor took 34.43 ms. Allocated memory is still 67.1 MB. Free memory was 43.9 MB in the beginning and 42.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 14:16:34,372 INFO L168 Benchmark]: RCFGBuilder took 350.29 ms. Allocated memory is still 67.1 MB. Free memory was 42.6 MB in the beginning and 42.8 MB in the end (delta: -236.9 kB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. [2021-08-27 14:16:34,372 INFO L168 Benchmark]: BuchiAutomizer took 3212.83 ms. Allocated memory was 67.1 MB in the beginning and 98.6 MB in the end (delta: 31.5 MB). Free memory was 42.8 MB in the beginning and 37.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. [2021-08-27 14:16:34,373 INFO L168 Benchmark]: Witness Printer took 2.07 ms. Allocated memory is still 98.6 MB. Free memory is still 37.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:16:34,375 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 54.5 MB. Free memory was 37.0 MB in the beginning and 37.0 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 394.94 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.6 MB in the beginning and 45.6 MB in the end (delta: -15.0 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.47 ms. Allocated memory is still 67.1 MB. Free memory was 45.4 MB in the beginning and 43.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.43 ms. Allocated memory is still 67.1 MB. Free memory was 43.9 MB in the beginning and 42.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 350.29 ms. Allocated memory is still 67.1 MB. Free memory was 42.6 MB in the beginning and 42.8 MB in the end (delta: -236.9 kB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3212.83 ms. Allocated memory was 67.1 MB in the beginning and 98.6 MB in the end (delta: 31.5 MB). Free memory was 42.8 MB in the beginning and 37.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. * Witness Printer took 2.07 ms. Allocated memory is still 98.6 MB. Free memory is still 37.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * 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 -2 * unknown-#memory_int-unknown[y_ref][y_ref] + 4294967293 and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 6 SDtfs, 11 SDslu, 10 SDs, 0 SdLazy, 15 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.0ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital259 mio100 ax106 hnf100 lsp90 ukn67 mio100 lsp33 div100 bol100 ite100 ukn100 eq178 hnf88 smp96 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-08-27 14:16:34,405 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...