./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ae007674 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-crafted-lit/PodelskiRybalchenko-LICS2004-Fig1.c -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 4cf25ea48272ba4463d41281066a1cec5687f4083cfa8522d5a9622c6308689c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 09:02:59,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 09:02:59,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 09:02:59,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 09:02:59,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 09:02:59,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 09:02:59,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 09:02:59,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 09:02:59,152 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 09:02:59,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 09:02:59,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 09:02:59,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 09:02:59,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 09:02:59,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 09:02:59,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 09:02:59,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 09:02:59,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 09:02:59,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 09:02:59,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 09:02:59,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 09:02:59,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 09:02:59,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 09:02:59,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 09:02:59,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 09:02:59,164 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 09:02:59,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 09:02:59,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 09:02:59,165 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 09:02:59,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 09:02:59,166 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 09:02:59,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 09:02:59,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 09:02:59,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 09:02:59,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 09:02:59,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 09:02:59,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 09:02:59,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 09:02:59,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 09:02:59,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 09:02:59,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 09:02:59,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 09:02:59,172 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-28 09:02:59,186 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 09:02:59,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 09:02:59,186 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 09:02:59,187 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 09:02:59,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 09:02:59,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 09:02:59,188 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 09:02:59,188 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-28 09:02:59,188 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-28 09:02:59,188 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-28 09:02:59,189 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-28 09:02:59,189 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-28 09:02:59,189 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-28 09:02:59,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 09:02:59,189 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-28 09:02:59,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 09:02:59,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 09:02:59,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-28 09:02:59,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-28 09:02:59,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-28 09:02:59,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 09:02:59,190 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-28 09:02:59,191 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 09:02:59,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-28 09:02:59,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 09:02:59,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 09:02:59,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 09:02:59,201 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 09:02:59,202 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-28 09:02:59,203 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4cf25ea48272ba4463d41281066a1cec5687f4083cfa8522d5a9622c6308689c [2021-12-28 09:02:59,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 09:02:59,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 09:02:59,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 09:02:59,472 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 09:02:59,472 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 09:02:59,473 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-Fig1.c [2021-12-28 09:02:59,535 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/773149c1d/f5f90af2d7e141b9bf14c6220a76cee3/FLAG6f7a7b0cf [2021-12-28 09:02:59,878 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 09:02:59,879 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-LICS2004-Fig1.c [2021-12-28 09:02:59,883 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/773149c1d/f5f90af2d7e141b9bf14c6220a76cee3/FLAG6f7a7b0cf [2021-12-28 09:02:59,894 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/773149c1d/f5f90af2d7e141b9bf14c6220a76cee3 [2021-12-28 09:02:59,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 09:02:59,898 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 09:02:59,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 09:02:59,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 09:02:59,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 09:02:59,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:02:59" (1/1) ... [2021-12-28 09:02:59,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c51c298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:02:59, skipping insertion in model container [2021-12-28 09:02:59,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:02:59" (1/1) ... [2021-12-28 09:02:59,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 09:02:59,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 09:03:00,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:03:00,025 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 09:03:00,036 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:03:00,052 INFO L208 MainTranslator]: Completed translation [2021-12-28 09:03:00,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:03:00 WrapperNode [2021-12-28 09:03:00,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 09:03:00,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 09:03:00,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 09:03:00,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 09:03:00,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:03:00" (1/1) ... [2021-12-28 09:03:00,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:03:00" (1/1) ... [2021-12-28 09:03:00,069 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-12-28 09:03:00,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 09:03:00,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 09:03:00,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 09:03:00,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 09:03:00,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:03:00" (1/1) ... [2021-12-28 09:03:00,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:03:00" (1/1) ... [2021-12-28 09:03:00,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:03:00" (1/1) ... [2021-12-28 09:03:00,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:03:00" (1/1) ... [2021-12-28 09:03:00,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:03:00" (1/1) ... [2021-12-28 09:03:00,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:03:00" (1/1) ... [2021-12-28 09:03:00,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:03:00" (1/1) ... [2021-12-28 09:03:00,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 09:03:00,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 09:03:00,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 09:03:00,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 09:03:00,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:03:00" (1/1) ... [2021-12-28 09:03:00,106 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:03:00,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:03:00,123 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) [2021-12-28 09:03:00,128 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 [2021-12-28 09:03:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 09:03:00,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 09:03:00,195 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 09:03:00,197 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 09:03:00,280 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 09:03:00,284 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 09:03:00,285 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-28 09:03:00,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:03:00 BoogieIcfgContainer [2021-12-28 09:03:00,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 09:03:00,288 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-28 09:03:00,288 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-28 09:03:00,290 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-28 09:03:00,291 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:03:00,291 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.12 09:02:59" (1/3) ... [2021-12-28 09:03:00,292 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77f48fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:03:00, skipping insertion in model container [2021-12-28 09:03:00,292 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:03:00,292 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:03:00" (2/3) ... [2021-12-28 09:03:00,292 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77f48fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:03:00, skipping insertion in model container [2021-12-28 09:03:00,292 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:03:00,292 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:03:00" (3/3) ... [2021-12-28 09:03:00,294 INFO L388 chiAutomizerObserver]: Analyzing ICFG PodelskiRybalchenko-LICS2004-Fig1.c [2021-12-28 09:03:00,330 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-28 09:03:00,331 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-28 09:03:00,331 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-28 09:03:00,331 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-28 09:03:00,331 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-28 09:03:00,331 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-28 09:03:00,332 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-28 09:03:00,332 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-28 09:03:00,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2021-12-28 09:03:00,351 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-28 09:03:00,351 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:03:00,351 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:03:00,354 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-28 09:03:00,354 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-28 09:03:00,354 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-28 09:03:00,355 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2021-12-28 09:03:00,356 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-28 09:03:00,356 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:03:00,356 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:03:00,356 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-28 09:03:00,356 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-28 09:03:00,361 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 5#L17-2true [2021-12-28 09:03:00,361 INFO L793 eck$LassoCheckResult]: Loop: 5#L17-2true assume !!(main_~x~0#1 >= 0 && main_~x~0#1 <= 1073741823);main_~y~0#1 := 1; 3#L19-2true assume !(main_~y~0#1 < main_~x~0#1); 10#L19-3true main_~x~0#1 := main_~x~0#1 - 1; 5#L17-2true [2021-12-28 09:03:00,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:03:00,366 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-28 09:03:00,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:03:00,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986496125] [2021-12-28 09:03:00,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:03:00,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:03:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:03:00,425 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:03:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:03:00,438 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:03:00,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:03:00,440 INFO L85 PathProgramCache]: Analyzing trace with hash 40944, now seen corresponding path program 1 times [2021-12-28 09:03:00,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:03:00,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257617379] [2021-12-28 09:03:00,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:03:00,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:03:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:03:00,459 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:03:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:03:00,474 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:03:00,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:03:00,476 INFO L85 PathProgramCache]: Analyzing trace with hash 28699886, now seen corresponding path program 1 times [2021-12-28 09:03:00,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:03:00,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906696161] [2021-12-28 09:03:00,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:03:00,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:03:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:03:00,491 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:03:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:03:00,498 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:03:00,565 INFO L210 LassoAnalysis]: Preferences: [2021-12-28 09:03:00,566 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-28 09:03:00,576 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-28 09:03:00,577 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-28 09:03:00,577 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-28 09:03:00,577 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:03:00,577 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-28 09:03:00,577 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-28 09:03:00,577 INFO L133 ssoRankerPreferences]: Filename of dumped script: PodelskiRybalchenko-LICS2004-Fig1.c_Iteration1_Loop [2021-12-28 09:03:00,578 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-28 09:03:00,578 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-28 09:03:00,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:03:00,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:03:00,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:03:00,671 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-28 09:03:00,671 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-28 09:03:00,672 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:03:00,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:03:00,674 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) [2021-12-28 09:03:00,698 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:03:00,698 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:03:00,715 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 [2021-12-28 09:03:00,718 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-28 09:03:00,719 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-28 09:03:00,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-28 09:03:00,739 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:03:00,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:03:00,741 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) [2021-12-28 09:03:00,742 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 [2021-12-28 09:03:00,743 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:03:00,743 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:03:00,771 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-28 09:03:00,772 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-28 09:03:00,793 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 [2021-12-28 09:03:00,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:03:00,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:03:00,795 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) [2021-12-28 09:03:00,796 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 [2021-12-28 09:03:00,797 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:03:00,797 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:03:00,847 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 [2021-12-28 09:03:00,847 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:03:00,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:03:00,849 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) [2021-12-28 09:03:00,850 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 [2021-12-28 09:03:00,855 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-28 09:03:00,855 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:03:00,887 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-28 09:03:00,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-28 09:03:00,892 INFO L210 LassoAnalysis]: Preferences: [2021-12-28 09:03:00,892 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-28 09:03:00,892 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-28 09:03:00,893 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-28 09:03:00,893 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-28 09:03:00,893 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:03:00,893 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-28 09:03:00,893 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-28 09:03:00,893 INFO L133 ssoRankerPreferences]: Filename of dumped script: PodelskiRybalchenko-LICS2004-Fig1.c_Iteration1_Loop [2021-12-28 09:03:00,893 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-28 09:03:00,893 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-28 09:03:00,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:03:00,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:03:00,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:03:00,957 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-28 09:03:00,961 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-28 09:03:00,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:03:00,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:03:00,963 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) [2021-12-28 09:03:00,964 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 [2021-12-28 09:03:00,967 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 [2021-12-28 09:03:00,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:03:00,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:03:00,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:03:00,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:03:00,985 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-28 09:03:00,985 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-28 09:03:00,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-28 09:03:01,013 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 [2021-12-28 09:03:01,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:03:01,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:03:01,014 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) [2021-12-28 09:03:01,015 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 [2021-12-28 09:03:01,016 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 [2021-12-28 09:03:01,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-28 09:03:01,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-28 09:03:01,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-28 09:03:01,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-28 09:03:01,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-28 09:03:01,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-28 09:03:01,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-28 09:03:01,045 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-28 09:03:01,051 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-28 09:03:01,051 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-28 09:03:01,053 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:03:01,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:03:01,053 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) [2021-12-28 09:03:01,054 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 [2021-12-28 09:03:01,056 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-28 09:03:01,056 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-28 09:03:01,056 INFO L513 LassoAnalysis]: Proved termination. [2021-12-28 09:03:01,056 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2021-12-28 09:03:01,073 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 [2021-12-28 09:03:01,075 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-28 09:03:01,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:03:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:03:01,100 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-28 09:03:01,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:03:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:03:01,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-28 09:03:01,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 09:03:01,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:03:01,145 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 [2021-12-28 09:03:01,146 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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) [2021-12-28 09:03:01,173 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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 24 states and 36 transitions. Complement of second has 7 states. [2021-12-28 09:03:01,174 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 [2021-12-28 09:03:01,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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) [2021-12-28 09:03:01,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2021-12-28 09:03:01,179 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 3 letters. [2021-12-28 09:03:01,179 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:03:01,179 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 5 letters. Loop has 3 letters. [2021-12-28 09:03:01,179 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:03:01,180 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 6 letters. [2021-12-28 09:03:01,180 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-28 09:03:01,180 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 36 transitions. [2021-12-28 09:03:01,182 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-28 09:03:01,184 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 8 states and 11 transitions. [2021-12-28 09:03:01,188 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-12-28 09:03:01,188 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2021-12-28 09:03:01,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2021-12-28 09:03:01,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-28 09:03:01,189 INFO L681 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2021-12-28 09:03:01,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2021-12-28 09:03:01,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2021-12-28 09:03:01,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 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) [2021-12-28 09:03:01,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2021-12-28 09:03:01,207 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-12-28 09:03:01,207 INFO L587 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-12-28 09:03:01,207 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-28 09:03:01,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2021-12-28 09:03:01,208 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-28 09:03:01,209 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:03:01,209 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:03:01,209 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-28 09:03:01,209 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-28 09:03:01,210 INFO L791 eck$LassoCheckResult]: Stem: 80#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 81#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 78#L17-2 assume !!(main_~x~0#1 >= 0 && main_~x~0#1 <= 1073741823);main_~y~0#1 := 1; 75#L19-2 [2021-12-28 09:03:01,210 INFO L793 eck$LassoCheckResult]: Loop: 75#L19-2 assume !!(main_~y~0#1 < main_~x~0#1);main_~y~0#1 := 2 * main_~y~0#1; 75#L19-2 [2021-12-28 09:03:01,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:03:01,211 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2021-12-28 09:03:01,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:03:01,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131569073] [2021-12-28 09:03:01,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:03:01,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:03:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:03:01,216 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:03:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:03:01,219 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:03:01,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:03:01,220 INFO L85 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2021-12-28 09:03:01,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:03:01,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135223933] [2021-12-28 09:03:01,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:03:01,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:03:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:03:01,225 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:03:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:03:01,230 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:03:01,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:03:01,230 INFO L85 PathProgramCache]: Analyzing trace with hash 925804, now seen corresponding path program 1 times [2021-12-28 09:03:01,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:03:01,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29316166] [2021-12-28 09:03:01,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:03:01,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:03:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:03:01,242 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:03:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:03:01,251 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:03:01,277 INFO L210 LassoAnalysis]: Preferences: [2021-12-28 09:03:01,278 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-28 09:03:01,278 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-28 09:03:01,278 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-28 09:03:01,279 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-28 09:03:01,279 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:03:01,279 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-28 09:03:01,279 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-28 09:03:01,280 INFO L133 ssoRankerPreferences]: Filename of dumped script: PodelskiRybalchenko-LICS2004-Fig1.c_Iteration2_Lasso [2021-12-28 09:03:01,280 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-28 09:03:01,283 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-28 09:03:01,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:03:01,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:03:01,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:03:01,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:03:01,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:03:01,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:03:01,360 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 [2021-12-28 09:03:01,362 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-28 09:03:01,362 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-28 09:03:01,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:03:01,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:03:01,363 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) [2021-12-28 09:03:01,365 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 [2021-12-28 09:03:01,365 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:03:01,366 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:03:01,387 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-28 09:03:01,388 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-28 09:03:01,403 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 [2021-12-28 09:03:01,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:03:01,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:03:01,405 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) [2021-12-28 09:03:01,431 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 [2021-12-28 09:03:01,432 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-28 09:03:01,432 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:03:01,475 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 [2021-12-28 09:03:01,475 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:03:01,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:03:01,476 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) [2021-12-28 09:03:01,482 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-28 09:03:01,482 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-28 09:03:01,499 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