./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig7b-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ff03de63 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/CookSeeZuleger-2013TACAS-Fig7b-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 36020926b2e6d9c0fb54830342005e347c0f1376e21c9ccaa0e5acb205202e3a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 22:01:57,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 22:01:57,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 22:01:57,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 22:01:57,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 22:01:57,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 22:01:57,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 22:01:57,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 22:01:57,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 22:01:57,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 22:01:57,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 22:01:57,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 22:01:57,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 22:01:57,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 22:01:57,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 22:01:57,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 22:01:57,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 22:01:57,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 22:01:57,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 22:01:57,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 22:01:57,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 22:01:57,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 22:01:57,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 22:01:57,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 22:01:57,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 22:01:57,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 22:01:57,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 22:01:57,852 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 22:01:57,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 22:01:57,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 22:01:57,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 22:01:57,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 22:01:57,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 22:01:57,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 22:01:57,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 22:01:57,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 22:01:57,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 22:01:57,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 22:01:57,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 22:01:57,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 22:01:57,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 22:01:57,865 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-21 22:01:57,901 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 22:01:57,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 22:01:57,902 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 22:01:57,902 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 22:01:57,903 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 22:01:57,903 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 22:01:57,903 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 22:01:57,903 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-21 22:01:57,903 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-21 22:01:57,903 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-21 22:01:57,903 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-21 22:01:57,903 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-21 22:01:57,903 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-21 22:01:57,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 22:01:57,904 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-21 22:01:57,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 22:01:57,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 22:01:57,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-21 22:01:57,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-21 22:01:57,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-21 22:01:57,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 22:01:57,904 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-21 22:01:57,904 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 22:01:57,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-21 22:01:57,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 22:01:57,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 22:01:57,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 22:01:57,905 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 22:01:57,905 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 22:01:57,906 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-21 22:01:57,906 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36020926b2e6d9c0fb54830342005e347c0f1376e21c9ccaa0e5acb205202e3a [2021-12-21 22:01:58,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 22:01:58,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 22:01:58,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 22:01:58,141 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 22:01:58,142 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 22:01:58,143 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig7b-alloca.i [2021-12-21 22:01:58,216 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e223c782/d680e35c584c4e43bc3e2d14c6b38b8b/FLAGafb401a60 [2021-12-21 22:01:58,661 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 22:01:58,662 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig7b-alloca.i [2021-12-21 22:01:58,673 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e223c782/d680e35c584c4e43bc3e2d14c6b38b8b/FLAGafb401a60 [2021-12-21 22:01:59,173 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e223c782/d680e35c584c4e43bc3e2d14c6b38b8b [2021-12-21 22:01:59,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 22:01:59,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 22:01:59,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 22:01:59,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 22:01:59,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 22:01:59,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:01:59" (1/1) ... [2021-12-21 22:01:59,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c78269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:59, skipping insertion in model container [2021-12-21 22:01:59,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:01:59" (1/1) ... [2021-12-21 22:01:59,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 22:01:59,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 22:01:59,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:01:59,518 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 22:01:59,562 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:01:59,585 INFO L208 MainTranslator]: Completed translation [2021-12-21 22:01:59,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:59 WrapperNode [2021-12-21 22:01:59,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 22:01:59,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 22:01:59,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 22:01:59,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 22:01:59,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:59" (1/1) ... [2021-12-21 22:01:59,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:59" (1/1) ... [2021-12-21 22:01:59,633 INFO L137 Inliner]: procedures = 110, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2021-12-21 22:01:59,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 22:01:59,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 22:01:59,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 22:01:59,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 22:01:59,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:59" (1/1) ... [2021-12-21 22:01:59,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:59" (1/1) ... [2021-12-21 22:01:59,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:59" (1/1) ... [2021-12-21 22:01:59,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:59" (1/1) ... [2021-12-21 22:01:59,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:59" (1/1) ... [2021-12-21 22:01:59,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:59" (1/1) ... [2021-12-21 22:01:59,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:59" (1/1) ... [2021-12-21 22:01:59,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 22:01:59,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 22:01:59,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 22:01:59,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 22:01:59,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:59" (1/1) ... [2021-12-21 22:01:59,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:01:59,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:01:59,727 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) [2021-12-21 22:01:59,733 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 [2021-12-21 22:01:59,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 22:01:59,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 22:01:59,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 22:01:59,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 22:01:59,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 22:01:59,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 22:01:59,824 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 22:01:59,826 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 22:01:59,995 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 22:02:00,000 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 22:02:00,000 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 22:02:00,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:02:00 BoogieIcfgContainer [2021-12-21 22:02:00,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 22:02:00,002 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-21 22:02:00,002 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-21 22:02:00,005 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-21 22:02:00,005 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:02:00,005 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.12 10:01:59" (1/3) ... [2021-12-21 22:02:00,006 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66692bbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:02:00, skipping insertion in model container [2021-12-21 22:02:00,006 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:02:00,006 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:01:59" (2/3) ... [2021-12-21 22:02:00,007 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66692bbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:02:00, skipping insertion in model container [2021-12-21 22:02:00,007 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:02:00,007 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:02:00" (3/3) ... [2021-12-21 22:02:00,008 INFO L388 chiAutomizerObserver]: Analyzing ICFG CookSeeZuleger-2013TACAS-Fig7b-alloca.i [2021-12-21 22:02:00,043 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-21 22:02:00,043 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-21 22:02:00,043 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-21 22:02:00,044 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-21 22:02:00,044 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-21 22:02:00,044 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-21 22:02:00,044 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-21 22:02:00,044 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-21 22:02:00,055 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 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) [2021-12-21 22:02:00,070 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-21 22:02:00,070 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:02:00,071 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:02:00,076 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-21 22:02:00,076 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-21 22:02:00,076 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-21 22:02:00,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 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) [2021-12-21 22:02:00,078 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-21 22:02:00,079 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:02:00,079 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:02:00,079 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-21 22:02:00,079 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-21 22:02:00,085 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~nondet16#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~short7#1, main_#t~mem8#1, main_#t~short9#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset; 11#L554-2true [2021-12-21 22:02:00,086 INFO L793 eck$LassoCheckResult]: Loop: 11#L554-2true call main_#t~mem5#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short7#1 := main_#t~mem5#1 > 0; 6#L551-1true assume main_#t~short7#1;call main_#t~mem6#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short7#1 := main_#t~mem6#1 > 0; 7#L551-3true main_#t~short9#1 := main_#t~short7#1; 13#L551-4true assume main_#t~short9#1;call main_#t~mem8#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short9#1 := main_#t~mem8#1 > 0; 10#L551-6true assume !!main_#t~short9#1;havoc main_#t~mem5#1;havoc main_#t~mem6#1;havoc main_#t~short7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1; 9#L552true assume 0 != main_#t~nondet10#1;havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem11#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1; 11#L554-2true [2021-12-21 22:02:00,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:00,105 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-21 22:02:00,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:00,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587179388] [2021-12-21 22:02:00,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:00,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:00,243 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:02:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:00,287 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:02:00,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:00,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1097577162, now seen corresponding path program 1 times [2021-12-21 22:02:00,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:00,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493586363] [2021-12-21 22:02:00,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:00,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:00,329 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:02:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:00,356 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:02:00,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:00,359 INFO L85 PathProgramCache]: Analyzing trace with hash 177626380, now seen corresponding path program 1 times [2021-12-21 22:02:00,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:00,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40540251] [2021-12-21 22:02:00,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:00,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:00,398 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:02:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:00,423 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:02:01,045 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 22:02:01,045 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 22:02:01,046 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 22:02:01,046 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 22:02:01,046 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-21 22:02:01,046 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:01,046 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 22:02:01,046 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 22:02:01,047 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7b-alloca.i_Iteration1_Lasso [2021-12-21 22:02:01,047 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 22:02:01,047 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 22:02:01,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:01,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:01,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:01,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:01,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:01,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:01,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:01,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:01,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:01,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:01,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:01,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:01,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:01,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:01,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:01,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:01,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:01,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:01,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:01,925 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 22:02:01,933 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-21 22:02:01,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:01,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:01,937 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) [2021-12-21 22:02:01,942 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 [2021-12-21 22:02:01,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:01,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:01,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:01,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:01,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:01,953 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:01,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:01,955 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 [2021-12-21 22:02:01,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:01,980 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 [2021-12-21 22:02:01,982 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:01,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:01,983 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) [2021-12-21 22:02:01,983 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 [2021-12-21 22:02:01,991 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 [2021-12-21 22:02:01,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:01,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:01,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:01,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:02,001 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:02,002 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:02,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:02,036 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 [2021-12-21 22:02:02,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:02,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:02,037 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) [2021-12-21 22:02:02,038 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 [2021-12-21 22:02:02,040 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 [2021-12-21 22:02:02,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:02,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:02,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:02,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:02,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:02,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:02,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:02,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:02,084 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 [2021-12-21 22:02:02,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:02,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:02,086 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) [2021-12-21 22:02:02,087 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 [2021-12-21 22:02:02,088 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 [2021-12-21 22:02:02,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:02,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:02,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:02,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:02,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:02,096 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:02,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:02,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:02,135 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 [2021-12-21 22:02:02,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:02,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:02,136 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) [2021-12-21 22:02:02,137 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 [2021-12-21 22:02:02,138 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 [2021-12-21 22:02:02,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:02,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:02,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:02,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:02,147 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:02,147 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:02,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:02,196 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-21 22:02:02,197 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:02,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:02,197 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) [2021-12-21 22:02:02,201 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 [2021-12-21 22:02:02,203 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 [2021-12-21 22:02:02,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:02,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:02,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:02,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:02,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:02,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:02,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:02,213 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:02,231 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 [2021-12-21 22:02:02,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:02,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:02,232 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) [2021-12-21 22:02:02,234 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 [2021-12-21 22:02:02,234 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 [2021-12-21 22:02:02,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:02,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:02,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:02,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:02,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:02,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:02,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:02,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:02,257 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 [2021-12-21 22:02:02,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:02,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:02,259 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) [2021-12-21 22:02:02,260 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 [2021-12-21 22:02:02,261 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 [2021-12-21 22:02:02,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:02,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:02,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:02,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:02,268 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:02,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:02,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:02,300 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-21 22:02:02,301 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:02,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:02,302 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) [2021-12-21 22:02:02,302 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 [2021-12-21 22:02:02,304 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 [2021-12-21 22:02:02,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:02,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:02,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:02,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:02,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:02,311 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:02,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:02,312 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:02,329 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 [2021-12-21 22:02:02,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:02,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:02,330 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) [2021-12-21 22:02:02,331 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 [2021-12-21 22:02:02,332 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 [2021-12-21 22:02:02,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:02,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:02,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:02,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:02,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:02,343 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:02,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:02,376 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 [2021-12-21 22:02:02,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:02,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:02,378 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) [2021-12-21 22:02:02,381 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 [2021-12-21 22:02:02,382 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 [2021-12-21 22:02:02,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:02,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:02,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:02,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:02,393 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:02,393 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:02,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:02,424 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 [2021-12-21 22:02:02,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:02,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:02,428 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) [2021-12-21 22:02:02,428 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 [2021-12-21 22:02:02,430 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 [2021-12-21 22:02:02,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:02,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:02,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:02,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:02,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:02,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:02,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:02,499 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 [2021-12-21 22:02:02,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:02,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:02,510 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) [2021-12-21 22:02:02,511 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 [2021-12-21 22:02:02,513 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 [2021-12-21 22:02:02,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:02,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:02,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:02,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:02,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:02,521 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:02,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:02,522 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:02,537 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 [2021-12-21 22:02:02,538 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:02,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:02,539 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) [2021-12-21 22:02:02,539 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 [2021-12-21 22:02:02,545 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 [2021-12-21 22:02:02,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:02,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:02,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:02,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:02,568 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:02,569 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:02,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:02,620 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 [2021-12-21 22:02:02,620 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:02,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:02,621 INFO L229 MonitoredProcess]: Starting monitored process 16 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) [2021-12-21 22:02:02,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-21 22:02:02,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-21 22:02:02,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:02,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:02,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:02,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:02,632 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:02,632 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:02,638 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:02,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:02,654 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:02,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:02,655 INFO L229 MonitoredProcess]: Starting monitored process 17 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) [2021-12-21 22:02:02,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-21 22:02:02,658 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 [2021-12-21 22:02:02,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:02,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:02,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:02,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:02,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:02,684 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:02,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:02,724 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-21 22:02:02,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:02,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:02,725 INFO L229 MonitoredProcess]: Starting monitored process 18 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) [2021-12-21 22:02:02,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-21 22:02:02,727 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 [2021-12-21 22:02:02,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:02,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:02,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:02,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:02,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:02,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:02,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:02,736 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-21 22:02:02,748 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-21 22:02:02,748 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-21 22:02:02,749 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:02,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:02,751 INFO L229 MonitoredProcess]: Starting monitored process 19 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) [2021-12-21 22:02:02,759 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-21 22:02:02,760 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-21 22:02:02,760 INFO L513 LassoAnalysis]: Proved termination. [2021-12-21 22:02:02,760 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1 Supporting invariants [] [2021-12-21 22:02:02,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-21 22:02:02,776 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-21 22:02:02,875 INFO L297 tatePredicateManager]: 24 out of 24 supporting invariants were superfluous and have been removed [2021-12-21 22:02:02,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:02:02,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 22:02:02,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:02:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:02:02,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 22:02:02,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:02:03,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:02:03,078 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 [2021-12-21 22:02:03,078 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 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 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-12-21 22:02:03,144 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 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 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 60 states and 79 transitions. Complement of second has 10 states. [2021-12-21 22:02:03,145 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 [2021-12-21 22:02:03,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-12-21 22:02:03,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 31 transitions. [2021-12-21 22:02:03,150 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 2 letters. Loop has 6 letters. [2021-12-21 22:02:03,151 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:02:03,151 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 8 letters. Loop has 6 letters. [2021-12-21 22:02:03,152 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:02:03,152 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 2 letters. Loop has 12 letters. [2021-12-21 22:02:03,152 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:02:03,153 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 79 transitions. [2021-12-21 22:02:03,156 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-12-21 22:02:03,159 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 34 states and 50 transitions. [2021-12-21 22:02:03,159 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2021-12-21 22:02:03,160 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-12-21 22:02:03,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 50 transitions. [2021-12-21 22:02:03,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-21 22:02:03,161 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 50 transitions. [2021-12-21 22:02:03,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 50 transitions. [2021-12-21 22:02:03,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 31. [2021-12-21 22:02:03,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.4193548387096775) internal successors, (44), 30 states have internal predecessors, (44), 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) [2021-12-21 22:02:03,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 44 transitions. [2021-12-21 22:02:03,183 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 44 transitions. [2021-12-21 22:02:03,183 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 44 transitions. [2021-12-21 22:02:03,183 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-21 22:02:03,183 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 44 transitions. [2021-12-21 22:02:03,184 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-12-21 22:02:03,184 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:02:03,185 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:02:03,185 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-21 22:02:03,185 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-21 22:02:03,185 INFO L791 eck$LassoCheckResult]: Stem: 225#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 226#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~nondet16#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~short7#1, main_#t~mem8#1, main_#t~short9#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset; 241#L554-2 call main_#t~mem5#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short7#1 := main_#t~mem5#1 > 0; 244#L551-1 [2021-12-21 22:02:03,185 INFO L793 eck$LassoCheckResult]: Loop: 244#L551-1 assume !main_#t~short7#1; 238#L551-3 main_#t~short9#1 := main_#t~short7#1; 239#L551-4 assume main_#t~short9#1;call main_#t~mem8#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short9#1 := main_#t~mem8#1 > 0; 242#L551-6 assume !!main_#t~short9#1;havoc main_#t~mem5#1;havoc main_#t~mem6#1;havoc main_#t~short7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1; 253#L552 assume 0 != main_#t~nondet10#1;havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem11#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1; 250#L554-2 call main_#t~mem5#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short7#1 := main_#t~mem5#1 > 0; 244#L551-1 [2021-12-21 22:02:03,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:03,186 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-12-21 22:02:03,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:03,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208980096] [2021-12-21 22:02:03,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:03,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:03,199 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:02:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:03,209 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:02:03,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:03,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1244514134, now seen corresponding path program 1 times [2021-12-21 22:02:03,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:03,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073337994] [2021-12-21 22:02:03,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:03,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:02:03,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:02:03,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 22:02:03,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073337994] [2021-12-21 22:02:03,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073337994] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 22:02:03,256 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 22:02:03,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 22:02:03,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398315725] [2021-12-21 22:02:03,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 22:02:03,259 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-21 22:02:03,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 22:02:03,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 22:02:03,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 22:02:03,263 INFO L87 Difference]: Start difference. First operand 31 states and 44 transitions. cyclomatic complexity: 16 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-12-21 22:02:03,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 22:02:03,287 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2021-12-21 22:02:03,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 22:02:03,288 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 37 transitions. [2021-12-21 22:02:03,297 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-21 22:02:03,298 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 21 states and 25 transitions. [2021-12-21 22:02:03,298 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-12-21 22:02:03,298 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-12-21 22:02:03,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 25 transitions. [2021-12-21 22:02:03,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-21 22:02:03,299 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-12-21 22:02:03,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 25 transitions. [2021-12-21 22:02:03,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-12-21 22:02:03,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 20 states have internal predecessors, (25), 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) [2021-12-21 22:02:03,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2021-12-21 22:02:03,303 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-12-21 22:02:03,303 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-12-21 22:02:03,303 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-21 22:02:03,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 25 transitions. [2021-12-21 22:02:03,304 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-21 22:02:03,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:02:03,304 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:02:03,305 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:02:03,305 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:02:03,305 INFO L791 eck$LassoCheckResult]: Stem: 298#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 299#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~nondet16#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~short7#1, main_#t~mem8#1, main_#t~short9#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset; 313#L554-2 call main_#t~mem5#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short7#1 := main_#t~mem5#1 > 0; 307#L551-1 assume main_#t~short7#1;call main_#t~mem6#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short7#1 := main_#t~mem6#1 > 0; 309#L551-3 main_#t~short9#1 := main_#t~short7#1; 311#L551-4 assume main_#t~short9#1;call main_#t~mem8#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short9#1 := main_#t~mem8#1 > 0; 300#L551-6 assume !!main_#t~short9#1;havoc main_#t~mem5#1;havoc main_#t~mem6#1;havoc main_#t~short7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1; 301#L552 assume !(0 != main_#t~nondet10#1);havoc main_#t~nondet10#1; 316#L554 [2021-12-21 22:02:03,305 INFO L793 eck$LassoCheckResult]: Loop: 316#L554 assume 0 != main_#t~nondet12#1;havoc main_#t~nondet12#1;call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem13#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem13#1;call write~int(main_#t~nondet14#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~nondet14#1; 304#L554-2 call main_#t~mem5#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short7#1 := main_#t~mem5#1 > 0; 305#L551-1 assume main_#t~short7#1;call main_#t~mem6#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short7#1 := main_#t~mem6#1 > 0; 318#L551-3 main_#t~short9#1 := main_#t~short7#1; 314#L551-4 assume main_#t~short9#1;call main_#t~mem8#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short9#1 := main_#t~mem8#1 > 0; 315#L551-6 assume !!main_#t~short9#1;havoc main_#t~mem5#1;havoc main_#t~mem6#1;havoc main_#t~short7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1; 317#L552 assume !(0 != main_#t~nondet10#1);havoc main_#t~nondet10#1; 316#L554 [2021-12-21 22:02:03,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:03,306 INFO L85 PathProgramCache]: Analyzing trace with hash 177626382, now seen corresponding path program 1 times [2021-12-21 22:02:03,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:03,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246907925] [2021-12-21 22:02:03,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:03,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:03,353 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:02:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:03,370 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:02:03,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:03,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1175734219, now seen corresponding path program 1 times [2021-12-21 22:02:03,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:03,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608562475] [2021-12-21 22:02:03,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:03,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:03,380 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:02:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:03,389 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:02:03,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:03,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1517982238, now seen corresponding path program 1 times [2021-12-21 22:02:03,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:03,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243575832] [2021-12-21 22:02:03,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:03,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:03,408 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:02:03,457 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:03,464 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:02:04,230 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 22:02:04,230 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 22:02:04,230 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 22:02:04,230 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 22:02:04,230 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-21 22:02:04,230 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:04,230 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 22:02:04,230 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 22:02:04,230 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7b-alloca.i_Iteration3_Lasso [2021-12-21 22:02:04,230 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 22:02:04,230 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 22:02:04,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:04,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:04,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:04,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:04,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:04,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:04,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:04,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:04,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:04,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:04,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:04,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:04,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:04,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:04,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:04,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:04,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:04,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:04,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:05,010 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 22:02:05,011 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-21 22:02:05,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:05,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:05,012 INFO L229 MonitoredProcess]: Starting monitored process 20 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) [2021-12-21 22:02:05,019 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 [2021-12-21 22:02:05,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:05,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:05,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:05,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:05,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:05,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:05,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:05,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-21 22:02:05,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:05,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:05,071 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:05,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:05,072 INFO L229 MonitoredProcess]: Starting monitored process 21 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) [2021-12-21 22:02:05,080 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 [2021-12-21 22:02:05,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:05,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:05,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:05,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:05,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:05,088 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:05,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:05,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-21 22:02:05,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:05,119 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-12-21 22:02:05,120 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:05,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:05,121 INFO L229 MonitoredProcess]: Starting monitored process 22 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) [2021-12-21 22:02:05,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-21 22:02:05,123 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 [2021-12-21 22:02:05,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:05,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:05,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:05,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:05,135 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:05,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:05,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:05,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:05,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:05,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:05,183 INFO L229 MonitoredProcess]: Starting monitored process 23 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) [2021-12-21 22:02:05,188 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 [2021-12-21 22:02:05,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:05,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:05,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:05,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:05,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:05,196 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:05,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:05,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-21 22:02:05,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:05,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-21 22:02:05,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:05,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:05,214 INFO L229 MonitoredProcess]: Starting monitored process 24 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) [2021-12-21 22:02:05,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-21 22:02:05,215 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 [2021-12-21 22:02:05,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:05,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:05,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:05,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:05,223 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:05,223 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:05,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:05,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:05,246 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:05,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:05,247 INFO L229 MonitoredProcess]: Starting monitored process 25 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) [2021-12-21 22:02:05,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-21 22:02:05,250 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 [2021-12-21 22:02:05,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:05,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:05,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:05,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:05,258 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:05,258 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:05,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:05,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:05,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:05,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:05,309 INFO L229 MonitoredProcess]: Starting monitored process 26 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) [2021-12-21 22:02:05,311 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 [2021-12-21 22:02:05,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:05,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:05,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:05,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:05,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:05,320 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:05,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-21 22:02:05,339 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-21 22:02:05,345 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-21 22:02:05,345 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-12-21 22:02:05,346 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:05,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:05,348 INFO L229 MonitoredProcess]: Starting monitored process 27 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) [2021-12-21 22:02:05,356 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-21 22:02:05,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-21 22:02:05,380 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-21 22:02:05,380 INFO L513 LassoAnalysis]: Proved termination. [2021-12-21 22:02:05,380 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_2 Supporting invariants [] [2021-12-21 22:02:05,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:05,463 INFO L297 tatePredicateManager]: 22 out of 24 supporting invariants were superfluous and have been removed [2021-12-21 22:02:05,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:02:05,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 22:02:05,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:02:05,547 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 94 [2021-12-21 22:02:05,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:02:05,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-21 22:02:05,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:02:05,691 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 22 [2021-12-21 22:02:05,697 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-12-21 22:02:05,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:02:05,852 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2021-12-21 22:02:05,852 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 25 transitions. cyclomatic complexity: 6 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 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) [2021-12-21 22:02:05,973 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 25 transitions. cyclomatic complexity: 6. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 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 48 states and 58 transitions. Complement of second has 12 states. [2021-12-21 22:02:05,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2021-12-21 22:02:05,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 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) [2021-12-21 22:02:05,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 23 transitions. [2021-12-21 22:02:05,975 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 8 letters. Loop has 7 letters. [2021-12-21 22:02:05,975 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:02:05,975 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 15 letters. Loop has 7 letters. [2021-12-21 22:02:05,975 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:02:05,975 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 8 letters. Loop has 14 letters. [2021-12-21 22:02:05,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:02:05,976 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 58 transitions. [2021-12-21 22:02:05,977 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-12-21 22:02:05,977 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 43 states and 52 transitions. [2021-12-21 22:02:05,977 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-12-21 22:02:05,978 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-12-21 22:02:05,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 52 transitions. [2021-12-21 22:02:05,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-21 22:02:05,978 INFO L681 BuchiCegarLoop]: Abstraction has 43 states and 52 transitions. [2021-12-21 22:02:05,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 52 transitions. [2021-12-21 22:02:05,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2021-12-21 22:02:05,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.1951219512195121) internal successors, (49), 40 states have internal predecessors, (49), 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) [2021-12-21 22:02:05,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2021-12-21 22:02:05,980 INFO L704 BuchiCegarLoop]: Abstraction has 41 states and 49 transitions. [2021-12-21 22:02:05,980 INFO L587 BuchiCegarLoop]: Abstraction has 41 states and 49 transitions. [2021-12-21 22:02:05,981 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-21 22:02:05,981 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 49 transitions. [2021-12-21 22:02:05,981 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-12-21 22:02:05,981 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:02:05,981 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:02:05,981 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:02:05,981 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-21 22:02:05,982 INFO L791 eck$LassoCheckResult]: Stem: 549#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 550#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~nondet16#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~short7#1, main_#t~mem8#1, main_#t~short9#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset; 563#L554-2 call main_#t~mem5#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short7#1 := main_#t~mem5#1 > 0; 577#L551-1 assume main_#t~short7#1;call main_#t~mem6#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short7#1 := main_#t~mem6#1 > 0; 582#L551-3 main_#t~short9#1 := main_#t~short7#1; 581#L551-4 assume main_#t~short9#1;call main_#t~mem8#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short9#1 := main_#t~mem8#1 > 0; 580#L551-6 assume !!main_#t~short9#1;havoc main_#t~mem5#1;havoc main_#t~mem6#1;havoc main_#t~short7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1; 579#L552 assume !(0 != main_#t~nondet10#1);havoc main_#t~nondet10#1; 578#L554 assume !(0 != main_#t~nondet12#1);havoc main_#t~nondet12#1;call main_#t~mem15#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem15#1 - 1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem15#1;call write~int(main_#t~nondet16#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet16#1; 555#L554-2 [2021-12-21 22:02:05,982 INFO L793 eck$LassoCheckResult]: Loop: 555#L554-2 call main_#t~mem5#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short7#1 := main_#t~mem5#1 > 0; 556#L551-1 assume main_#t~short7#1;call main_#t~mem6#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short7#1 := main_#t~mem6#1 > 0; 559#L551-3 main_#t~short9#1 := main_#t~short7#1; 560#L551-4 assume main_#t~short9#1;call main_#t~mem8#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short9#1 := main_#t~mem8#1 > 0; 564#L551-6 assume !!main_#t~short9#1;havoc main_#t~mem5#1;havoc main_#t~mem6#1;havoc main_#t~short7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1; 566#L552 assume 0 != main_#t~nondet10#1;havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem11#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1; 555#L554-2 [2021-12-21 22:02:05,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:05,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1211450581, now seen corresponding path program 1 times [2021-12-21 22:02:05,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:05,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524245471] [2021-12-21 22:02:05,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:05,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:06,005 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:02:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:06,032 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:02:06,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:06,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1097577162, now seen corresponding path program 2 times [2021-12-21 22:02:06,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:06,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189060463] [2021-12-21 22:02:06,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:06,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:06,042 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:02:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:06,046 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:02:06,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:06,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1001977698, now seen corresponding path program 1 times [2021-12-21 22:02:06,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:06,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364447524] [2021-12-21 22:02:06,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:06,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:06,083 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:02:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:06,109 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:02:06,803 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 22:02:06,804 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 22:02:06,804 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 22:02:06,804 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 22:02:06,804 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-21 22:02:06,804 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:06,804 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 22:02:06,804 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 22:02:06,805 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7b-alloca.i_Iteration4_Lasso [2021-12-21 22:02:06,805 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 22:02:06,805 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 22:02:06,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:06,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:06,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:06,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:06,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:06,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:06,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:06,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:06,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:06,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:06,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:06,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:07,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:07,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:07,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:07,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:07,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:07,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:07,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:07,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:07,568 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 22:02:07,568 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-21 22:02:07,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,570 INFO L229 MonitoredProcess]: Starting monitored process 28 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) [2021-12-21 22:02:07,577 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 [2021-12-21 22:02:07,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-21 22:02:07,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,585 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:07,585 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:07,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:07,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,604 INFO L229 MonitoredProcess]: Starting monitored process 29 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) [2021-12-21 22:02:07,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-21 22:02:07,606 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 [2021-12-21 22:02:07,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:07,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,613 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:07,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:07,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:07,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,633 INFO L229 MonitoredProcess]: Starting monitored process 30 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) [2021-12-21 22:02:07,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-21 22:02:07,635 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 [2021-12-21 22:02:07,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:07,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:07,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:07,660 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,661 INFO L229 MonitoredProcess]: Starting monitored process 31 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) [2021-12-21 22:02:07,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-21 22:02:07,664 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 [2021-12-21 22:02:07,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:07,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,670 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:07,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:07,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,687 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-21 22:02:07,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,688 INFO L229 MonitoredProcess]: Starting monitored process 32 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) [2021-12-21 22:02:07,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-21 22:02:07,690 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 [2021-12-21 22:02:07,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:07,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:07,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:07,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,722 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-21 22:02:07,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,724 INFO L229 MonitoredProcess]: Starting monitored process 33 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) [2021-12-21 22:02:07,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-21 22:02:07,726 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 [2021-12-21 22:02:07,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:07,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:07,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:07,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,751 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-21 22:02:07,752 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,752 INFO L229 MonitoredProcess]: Starting monitored process 34 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) [2021-12-21 22:02:07,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-21 22:02:07,756 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 [2021-12-21 22:02:07,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:07,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:07,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:07,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:07,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,780 INFO L229 MonitoredProcess]: Starting monitored process 35 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) [2021-12-21 22:02:07,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-21 22:02:07,783 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 [2021-12-21 22:02:07,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,791 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:07,791 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:07,797 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-21 22:02:07,813 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,814 INFO L229 MonitoredProcess]: Starting monitored process 36 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) [2021-12-21 22:02:07,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-21 22:02:07,816 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 [2021-12-21 22:02:07,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:07,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:07,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:07,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-21 22:02:07,839 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,840 INFO L229 MonitoredProcess]: Starting monitored process 37 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) [2021-12-21 22:02:07,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-21 22:02:07,842 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 [2021-12-21 22:02:07,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:07,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,848 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-21 22:02:07,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,849 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-21 22:02:07,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:07,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,865 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-21 22:02:07,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,867 INFO L229 MonitoredProcess]: Starting monitored process 38 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) [2021-12-21 22:02:07,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-21 22:02:07,869 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 [2021-12-21 22:02:07,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:07,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:07,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:07,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:07,894 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,895 INFO L229 MonitoredProcess]: Starting monitored process 39 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) [2021-12-21 22:02:07,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-21 22:02:07,897 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 [2021-12-21 22:02:07,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,906 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:07,906 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:07,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:07,949 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,951 INFO L229 MonitoredProcess]: Starting monitored process 40 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) [2021-12-21 22:02:07,954 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 [2021-12-21 22:02:07,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,964 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:07,964 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:07,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-21 22:02:07,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:07,989 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-21 22:02:07,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:07,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:07,990 INFO L229 MonitoredProcess]: Starting monitored process 41 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) [2021-12-21 22:02:07,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-21 22:02:07,992 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 [2021-12-21 22:02:07,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:07,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:07,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:07,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:07,999 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:07,999 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:08,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:08,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-12-21 22:02:08,022 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:08,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:08,022 INFO L229 MonitoredProcess]: Starting monitored process 42 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) [2021-12-21 22:02:08,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-21 22:02:08,029 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 [2021-12-21 22:02:08,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:08,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:08,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:08,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:08,039 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:08,039 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:08,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:08,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-21 22:02:08,061 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:08,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:08,062 INFO L229 MonitoredProcess]: Starting monitored process 43 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) [2021-12-21 22:02:08,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-21 22:02:08,064 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 [2021-12-21 22:02:08,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:08,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:08,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:08,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:08,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:08,089 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:08,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:08,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-21 22:02:08,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:08,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:08,115 INFO L229 MonitoredProcess]: Starting monitored process 44 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) [2021-12-21 22:02:08,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-21 22:02:08,117 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 [2021-12-21 22:02:08,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:08,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:08,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:08,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:08,125 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:08,125 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:08,151 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-21 22:02:08,159 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-12-21 22:02:08,159 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-12-21 22:02:08,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:08,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:08,164 INFO L229 MonitoredProcess]: Starting monitored process 45 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) [2021-12-21 22:02:08,172 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-21 22:02:08,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-21 22:02:08,196 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-21 22:02:08,196 INFO L513 LassoAnalysis]: Proved termination. [2021-12-21 22:02:08,196 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_3 Supporting invariants [] [2021-12-21 22:02:08,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:08,269 INFO L297 tatePredicateManager]: 24 out of 24 supporting invariants were superfluous and have been removed [2021-12-21 22:02:08,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:02:08,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 22:02:08,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:02:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:02:08,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 22:02:08,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:02:08,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:02:08,405 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 [2021-12-21 22:02:08,405 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 49 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2021-12-21 22:02:08,436 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 49 transitions. cyclomatic complexity: 12. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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 55 states and 66 transitions. Complement of second has 7 states. [2021-12-21 22:02:08,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-21 22:02:08,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2021-12-21 22:02:08,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-12-21 22:02:08,438 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 6 letters. [2021-12-21 22:02:08,438 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:02:08,438 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 6 letters. [2021-12-21 22:02:08,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:02:08,439 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 12 letters. [2021-12-21 22:02:08,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:02:08,439 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 66 transitions. [2021-12-21 22:02:08,440 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-12-21 22:02:08,441 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 54 states and 65 transitions. [2021-12-21 22:02:08,441 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-12-21 22:02:08,441 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-12-21 22:02:08,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 65 transitions. [2021-12-21 22:02:08,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-21 22:02:08,442 INFO L681 BuchiCegarLoop]: Abstraction has 54 states and 65 transitions. [2021-12-21 22:02:08,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 65 transitions. [2021-12-21 22:02:08,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 53. [2021-12-21 22:02:08,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 53 states have (on average 1.1886792452830188) internal successors, (63), 52 states have internal predecessors, (63), 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) [2021-12-21 22:02:08,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 63 transitions. [2021-12-21 22:02:08,454 INFO L704 BuchiCegarLoop]: Abstraction has 53 states and 63 transitions. [2021-12-21 22:02:08,455 INFO L587 BuchiCegarLoop]: Abstraction has 53 states and 63 transitions. [2021-12-21 22:02:08,455 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-21 22:02:08,455 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 53 states and 63 transitions. [2021-12-21 22:02:08,456 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-12-21 22:02:08,456 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:02:08,456 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:02:08,456 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1] [2021-12-21 22:02:08,456 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-21 22:02:08,457 INFO L791 eck$LassoCheckResult]: Stem: 811#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 812#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~nondet16#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~short7#1, main_#t~mem8#1, main_#t~short9#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset; 827#L554-2 call main_#t~mem5#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short7#1 := main_#t~mem5#1 > 0; 855#L551-1 assume main_#t~short7#1;call main_#t~mem6#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short7#1 := main_#t~mem6#1 > 0; 854#L551-3 main_#t~short9#1 := main_#t~short7#1; 848#L551-4 assume main_#t~short9#1;call main_#t~mem8#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short9#1 := main_#t~mem8#1 > 0; 846#L551-6 assume !!main_#t~short9#1;havoc main_#t~mem5#1;havoc main_#t~mem6#1;havoc main_#t~short7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1; 842#L552 assume !(0 != main_#t~nondet10#1);havoc main_#t~nondet10#1; 843#L554 assume 0 != main_#t~nondet12#1;havoc main_#t~nondet12#1;call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem13#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem13#1;call write~int(main_#t~nondet14#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~nondet14#1; 832#L554-2 call main_#t~mem5#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short7#1 := main_#t~mem5#1 > 0; 823#L551-1 assume main_#t~short7#1;call main_#t~mem6#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short7#1 := main_#t~mem6#1 > 0; 824#L551-3 main_#t~short9#1 := main_#t~short7#1; 826#L551-4 assume main_#t~short9#1;call main_#t~mem8#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short9#1 := main_#t~mem8#1 > 0; 828#L551-6 assume !!main_#t~short9#1;havoc main_#t~mem5#1;havoc main_#t~mem6#1;havoc main_#t~short7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1; 844#L552 [2021-12-21 22:02:08,457 INFO L793 eck$LassoCheckResult]: Loop: 844#L552 assume 0 != main_#t~nondet10#1;havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem11#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1; 845#L554-2 call main_#t~mem5#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short7#1 := main_#t~mem5#1 > 0; 853#L551-1 assume main_#t~short7#1;call main_#t~mem6#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short7#1 := main_#t~mem6#1 > 0; 851#L551-3 main_#t~short9#1 := main_#t~short7#1; 849#L551-4 assume main_#t~short9#1;call main_#t~mem8#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short9#1 := main_#t~mem8#1 > 0; 847#L551-6 assume !!main_#t~short9#1;havoc main_#t~mem5#1;havoc main_#t~mem6#1;havoc main_#t~short7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1; 844#L552 [2021-12-21 22:02:08,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:08,457 INFO L85 PathProgramCache]: Analyzing trace with hash 48967168, now seen corresponding path program 2 times [2021-12-21 22:02:08,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:08,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693917719] [2021-12-21 22:02:08,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:08,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:08,497 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:02:08,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:08,526 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:02:08,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:08,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1695896472, now seen corresponding path program 3 times [2021-12-21 22:02:08,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:08,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143134028] [2021-12-21 22:02:08,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:08,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:08,539 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:02:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:08,544 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:02:08,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:08,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1971308119, now seen corresponding path program 1 times [2021-12-21 22:02:08,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:08,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916196200] [2021-12-21 22:02:08,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:08,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:08,559 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:02:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:08,573 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:02:09,377 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 22:02:09,377 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 22:02:09,377 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 22:02:09,377 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 22:02:09,377 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-21 22:02:09,377 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:09,377 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 22:02:09,378 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 22:02:09,378 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7b-alloca.i_Iteration5_Lasso [2021-12-21 22:02:09,378 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 22:02:09,378 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 22:02:09,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:09,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:09,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:09,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:09,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:09,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:09,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:09,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:09,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:09,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:09,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:09,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:09,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:09,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:09,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:09,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:09,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:09,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:09,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:09,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:10,010 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 22:02:10,011 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-21 22:02:10,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:10,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:10,012 INFO L229 MonitoredProcess]: Starting monitored process 46 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) [2021-12-21 22:02:10,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-21 22:02:10,014 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 [2021-12-21 22:02:10,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:10,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:10,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:10,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:10,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:10,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:10,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:10,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:10,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:10,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:10,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:10,043 INFO L229 MonitoredProcess]: Starting monitored process 47 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) [2021-12-21 22:02:10,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-21 22:02:10,045 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 [2021-12-21 22:02:10,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:10,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:10,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:10,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:10,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:10,051 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:10,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:10,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:10,068 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:10,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:10,069 INFO L229 MonitoredProcess]: Starting monitored process 48 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) [2021-12-21 22:02:10,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-21 22:02:10,071 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 [2021-12-21 22:02:10,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:10,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:10,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:10,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:10,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:10,077 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:10,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:10,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:10,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:10,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:10,095 INFO L229 MonitoredProcess]: Starting monitored process 49 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) [2021-12-21 22:02:10,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-21 22:02:10,097 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 [2021-12-21 22:02:10,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:10,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:10,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:10,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:10,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:10,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:10,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:10,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:10,118 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-21 22:02:10,119 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:10,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:10,119 INFO L229 MonitoredProcess]: Starting monitored process 50 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) [2021-12-21 22:02:10,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-21 22:02:10,121 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 [2021-12-21 22:02:10,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:10,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:10,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:10,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:10,128 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:10,128 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:10,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:10,150 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-12-21 22:02:10,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:10,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:10,152 INFO L229 MonitoredProcess]: Starting monitored process 51 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) [2021-12-21 22:02:10,159 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 [2021-12-21 22:02:10,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-21 22:02:10,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:10,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:10,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:10,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:10,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:10,172 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:10,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:10,196 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-21 22:02:10,196 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:10,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:10,197 INFO L229 MonitoredProcess]: Starting monitored process 52 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) [2021-12-21 22:02:10,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-21 22:02:10,199 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 [2021-12-21 22:02:10,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:10,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:10,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:10,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:10,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:10,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:10,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:10,224 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-12-21 22:02:10,224 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:10,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:10,225 INFO L229 MonitoredProcess]: Starting monitored process 53 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) [2021-12-21 22:02:10,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-21 22:02:10,229 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 [2021-12-21 22:02:10,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:10,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:10,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:10,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:10,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:10,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:10,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:10,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:10,265 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:10,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:10,266 INFO L229 MonitoredProcess]: Starting monitored process 54 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) [2021-12-21 22:02:10,271 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 [2021-12-21 22:02:10,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:10,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:10,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:10,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:10,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:10,281 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:10,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-21 22:02:10,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:10,301 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-12-21 22:02:10,301 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:10,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:10,303 INFO L229 MonitoredProcess]: Starting monitored process 55 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) [2021-12-21 22:02:10,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-21 22:02:10,305 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 [2021-12-21 22:02:10,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:10,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:10,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:10,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:10,314 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:10,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:10,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:10,349 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-21 22:02:10,350 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:10,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:10,350 INFO L229 MonitoredProcess]: Starting monitored process 56 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) [2021-12-21 22:02:10,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-21 22:02:10,352 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 [2021-12-21 22:02:10,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:10,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:10,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:10,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:10,359 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:10,359 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:10,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:10,375 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-12-21 22:02:10,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:10,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:10,376 INFO L229 MonitoredProcess]: Starting monitored process 57 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) [2021-12-21 22:02:10,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-21 22:02:10,378 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 [2021-12-21 22:02:10,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:10,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:10,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:10,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:10,385 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:10,385 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:10,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:10,402 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:10,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:10,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:10,403 INFO L229 MonitoredProcess]: Starting monitored process 58 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) [2021-12-21 22:02:10,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-21 22:02:10,404 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 [2021-12-21 22:02:10,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:10,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:10,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:10,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:10,411 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:10,411 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:10,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:10,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:10,429 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:10,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:10,430 INFO L229 MonitoredProcess]: Starting monitored process 59 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) [2021-12-21 22:02:10,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-21 22:02:10,432 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 [2021-12-21 22:02:10,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:10,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:10,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:10,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:10,439 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 22:02:10,439 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 22:02:10,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 22:02:10,457 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-12-21 22:02:10,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:10,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:10,458 INFO L229 MonitoredProcess]: Starting monitored process 60 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) [2021-12-21 22:02:10,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-21 22:02:10,460 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 [2021-12-21 22:02:10,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 22:02:10,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 22:02:10,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 22:02:10,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 22:02:10,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 22:02:10,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 22:02:10,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 22:02:10,468 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-21 22:02:10,471 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-21 22:02:10,471 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-21 22:02:10,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:10,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:02:10,472 INFO L229 MonitoredProcess]: Starting monitored process 61 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) [2021-12-21 22:02:10,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-21 22:02:10,473 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-21 22:02:10,473 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-21 22:02:10,473 INFO L513 LassoAnalysis]: Proved termination. [2021-12-21 22:02:10,473 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_4) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_4 Supporting invariants [] [2021-12-21 22:02:10,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:10,547 INFO L297 tatePredicateManager]: 24 out of 24 supporting invariants were superfluous and have been removed [2021-12-21 22:02:10,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-12-21 22:02:10,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:02:10,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 22:02:10,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:02:10,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:02:10,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 22:02:10,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:02:10,618 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-12-21 22:02:10,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:02:10,680 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2021-12-21 22:02:10,680 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 53 states and 63 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-12-21 22:02:10,711 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 53 states and 63 transitions. cyclomatic complexity: 15. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 74 states and 87 transitions. Complement of second has 9 states. [2021-12-21 22:02:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-21 22:02:10,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-12-21 22:02:10,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2021-12-21 22:02:10,713 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 14 letters. Loop has 6 letters. [2021-12-21 22:02:10,713 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:02:10,713 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-21 22:02:10,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:02:10,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 22:02:10,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:02:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:02:10,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 22:02:10,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:02:10,777 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-12-21 22:02:10,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:02:10,853 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 4 loop predicates [2021-12-21 22:02:10,854 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 53 states and 63 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-12-21 22:02:10,891 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 53 states and 63 transitions. cyclomatic complexity: 15. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 72 states and 83 transitions. Complement of second has 11 states. [2021-12-21 22:02:10,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2021-12-21 22:02:10,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-12-21 22:02:10,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 14 transitions. [2021-12-21 22:02:10,892 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 14 letters. Loop has 6 letters. [2021-12-21 22:02:10,892 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:02:10,892 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-21 22:02:10,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:02:10,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 22:02:10,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:02:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:02:10,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 22:02:10,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 22:02:10,971 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-12-21 22:02:11,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:02:11,023 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2021-12-21 22:02:11,023 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 53 states and 63 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-12-21 22:02:11,049 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 53 states and 63 transitions. cyclomatic complexity: 15. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 118 states and 142 transitions. Complement of second has 10 states. [2021-12-21 22:02:11,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-21 22:02:11,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-12-21 22:02:11,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2021-12-21 22:02:11,053 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 14 letters. Loop has 6 letters. [2021-12-21 22:02:11,054 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:02:11,054 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 20 letters. Loop has 6 letters. [2021-12-21 22:02:11,054 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:02:11,054 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 14 letters. Loop has 12 letters. [2021-12-21 22:02:11,054 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 22:02:11,054 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 118 states and 142 transitions. [2021-12-21 22:02:11,056 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 16 [2021-12-21 22:02:11,057 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 118 states to 90 states and 103 transitions. [2021-12-21 22:02:11,057 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2021-12-21 22:02:11,057 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 39 [2021-12-21 22:02:11,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 103 transitions. [2021-12-21 22:02:11,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-21 22:02:11,057 INFO L681 BuchiCegarLoop]: Abstraction has 90 states and 103 transitions. [2021-12-21 22:02:11,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states and 103 transitions. [2021-12-21 22:02:11,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 67. [2021-12-21 22:02:11,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 67 states have (on average 1.1940298507462686) internal successors, (80), 66 states have internal predecessors, (80), 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) [2021-12-21 22:02:11,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 80 transitions. [2021-12-21 22:02:11,061 INFO L704 BuchiCegarLoop]: Abstraction has 67 states and 80 transitions. [2021-12-21 22:02:11,061 INFO L587 BuchiCegarLoop]: Abstraction has 67 states and 80 transitions. [2021-12-21 22:02:11,061 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-21 22:02:11,061 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 67 states and 80 transitions. [2021-12-21 22:02:11,062 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 16 [2021-12-21 22:02:11,062 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:02:11,062 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:02:11,062 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-12-21 22:02:11,063 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 1, 1, 1] [2021-12-21 22:02:11,063 INFO L791 eck$LassoCheckResult]: Stem: 1465#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1466#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~nondet16#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~short7#1, main_#t~mem8#1, main_#t~short9#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset; 1480#L554-2 call main_#t~mem5#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short7#1 := main_#t~mem5#1 > 0; 1498#L551-1 assume main_#t~short7#1;call main_#t~mem6#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short7#1 := main_#t~mem6#1 > 0; 1494#L551-3 main_#t~short9#1 := main_#t~short7#1; 1491#L551-4 assume main_#t~short9#1;call main_#t~mem8#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short9#1 := main_#t~mem8#1 > 0; 1489#L551-6 assume !!main_#t~short9#1;havoc main_#t~mem5#1;havoc main_#t~mem6#1;havoc main_#t~short7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1; 1486#L552 assume !(0 != main_#t~nondet10#1);havoc main_#t~nondet10#1; 1487#L554 assume !(0 != main_#t~nondet12#1);havoc main_#t~nondet12#1;call main_#t~mem15#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem15#1 - 1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem15#1;call write~int(main_#t~nondet16#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet16#1; 1471#L554-2 call main_#t~mem5#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short7#1 := main_#t~mem5#1 > 0; 1472#L551-1 assume main_#t~short7#1;call main_#t~mem6#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short7#1 := main_#t~mem6#1 > 0; 1476#L551-3 main_#t~short9#1 := main_#t~short7#1; 1478#L551-4 [2021-12-21 22:02:11,063 INFO L793 eck$LassoCheckResult]: Loop: 1478#L551-4 assume main_#t~short9#1;call main_#t~mem8#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short9#1 := main_#t~mem8#1 > 0; 1467#L551-6 assume !!main_#t~short9#1;havoc main_#t~mem5#1;havoc main_#t~mem6#1;havoc main_#t~short7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1; 1468#L552 assume !(0 != main_#t~nondet10#1);havoc main_#t~nondet10#1; 1481#L554 assume 0 != main_#t~nondet12#1;havoc main_#t~nondet12#1;call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem13#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem13#1;call write~int(main_#t~nondet14#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~nondet14#1; 1504#L554-2 call main_#t~mem5#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short7#1 := main_#t~mem5#1 > 0; 1526#L551-1 assume main_#t~short7#1;call main_#t~mem6#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short7#1 := main_#t~mem6#1 > 0; 1525#L551-3 main_#t~short9#1 := main_#t~short7#1; 1524#L551-4 assume main_#t~short9#1;call main_#t~mem8#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short9#1 := main_#t~mem8#1 > 0; 1523#L551-6 assume !!main_#t~short9#1;havoc main_#t~mem5#1;havoc main_#t~mem6#1;havoc main_#t~short7#1;havoc main_#t~mem8#1;havoc main_#t~short9#1; 1522#L552 assume 0 != main_#t~nondet10#1;havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem11#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1; 1474#L554-2 call main_#t~mem5#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short7#1 := main_#t~mem5#1 > 0; 1475#L551-1 assume main_#t~short7#1;call main_#t~mem6#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short7#1 := main_#t~mem6#1 > 0; 1531#L551-3 main_#t~short9#1 := main_#t~short7#1; 1478#L551-4 [2021-12-21 22:02:11,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:11,063 INFO L85 PathProgramCache]: Analyzing trace with hash -285922666, now seen corresponding path program 2 times [2021-12-21 22:02:11,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:11,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166539600] [2021-12-21 22:02:11,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:11,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:11,077 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:02:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:11,086 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:02:11,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:11,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1998556810, now seen corresponding path program 1 times [2021-12-21 22:02:11,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:11,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882828852] [2021-12-21 22:02:11,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:11,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:11,096 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:02:11,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:11,104 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:02:11,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:02:11,104 INFO L85 PathProgramCache]: Analyzing trace with hash 691396865, now seen corresponding path program 1 times [2021-12-21 22:02:11,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:02:11,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162759657] [2021-12-21 22:02:11,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:02:11,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:02:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:11,125 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:02:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:02:11,144 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:02:12,231 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 22:02:12,232 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 22:02:12,232 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 22:02:12,232 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 22:02:12,232 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-21 22:02:12,232 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:02:12,232 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 22:02:12,232 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 22:02:12,232 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7b-alloca.i_Iteration6_Lasso [2021-12-21 22:02:12,232 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 22:02:12,232 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 22:02:12,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:12,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:12,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:12,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:12,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:12,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:12,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:12,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:12,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:12,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 22:02:12,535 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.IllegalArgumentException at de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.put(ScopedHashMap.java:331) at java.base/java.util.AbstractMap.putAll(AbstractMap.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.PureSubstitution.(PureSubstitution.java:81) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.(Substitution.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.apply(Substitution.java:59) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceMapReads(MapEliminator.java:518) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:342) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:111) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:280) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:609) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:953) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:862) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-21 22:02:12,540 INFO L158 Benchmark]: Toolchain (without parser) took 13360.08ms. Allocated memory was 111.1MB in the beginning and 161.5MB in the end (delta: 50.3MB). Free memory was 78.4MB in the beginning and 119.7MB in the end (delta: -41.3MB). Peak memory consumption was 89.2MB. Max. memory is 16.1GB. [2021-12-21 22:02:12,540 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory is still 43.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 22:02:12,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.58ms. Allocated memory is still 111.1MB. Free memory was 78.2MB in the beginning and 81.6MB in the end (delta: -3.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-21 22:02:12,541 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.01ms. Allocated memory is still 111.1MB. Free memory was 81.6MB in the beginning and 79.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 22:02:12,541 INFO L158 Benchmark]: Boogie Preprocessor took 33.42ms. Allocated memory is still 111.1MB. Free memory was 79.5MB in the beginning and 78.7MB in the end (delta: 804.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 22:02:12,541 INFO L158 Benchmark]: RCFGBuilder took 333.25ms. Allocated memory is still 111.1MB. Free memory was 78.7MB in the beginning and 67.6MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-21 22:02:12,541 INFO L158 Benchmark]: BuchiAutomizer took 12536.53ms. Allocated memory was 111.1MB in the beginning and 161.5MB in the end (delta: 50.3MB). Free memory was 67.6MB in the beginning and 119.7MB in the end (delta: -52.1MB). Peak memory consumption was 81.3MB. Max. memory is 16.1GB. [2021-12-21 22:02:12,543 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory is still 43.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.58ms. Allocated memory is still 111.1MB. Free memory was 78.2MB in the beginning and 81.6MB in the end (delta: -3.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.01ms. Allocated memory is still 111.1MB. Free memory was 81.6MB in the beginning and 79.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.42ms. Allocated memory is still 111.1MB. Free memory was 79.5MB in the beginning and 78.7MB in the end (delta: 804.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 333.25ms. Allocated memory is still 111.1MB. Free memory was 78.7MB in the beginning and 67.6MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 12536.53ms. Allocated memory was 111.1MB in the beginning and 161.5MB in the end (delta: 50.3MB). Free memory was 67.6MB in the beginning and 119.7MB in the end (delta: -52.1MB). Peak memory consumption was 81.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: IllegalArgumentException: null de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: IllegalArgumentException: null: de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.put(ScopedHashMap.java:331) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-21 22:02:12,576 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: null