./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 3a877d22 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 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:01:24,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:01:24,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:01:24,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:01:24,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:01:24,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:01:24,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:01:24,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:01:24,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:01:24,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:01:24,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:01:24,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:01:24,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:01:24,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:01:24,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:01:24,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:01:24,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:01:24,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:01:24,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:01:24,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:01:24,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:01:24,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:01:24,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:01:24,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:01:24,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:01:24,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:01:24,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:01:24,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:01:24,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:01:24,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:01:24,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:01:24,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:01:24,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:01:24,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:01:24,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:01:24,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:01:24,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:01:24,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:01:24,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:01:24,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:01:24,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:01:24,827 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-15 17:01:24,853 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:01:24,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:01:24,855 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:01:24,855 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:01:24,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:01:24,856 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:01:24,857 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:01:24,857 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:01:24,857 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:01:24,857 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:01:24,858 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:01:24,858 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:01:24,858 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:01:24,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:01:24,859 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:01:24,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:01:24,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:01:24,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:01:24,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:01:24,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:01:24,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:01:24,859 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:01:24,859 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:01:24,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:01:24,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:01:24,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:01:24,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:01:24,865 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:01:24,865 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:01:24,866 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:01:24,866 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36020926b2e6d9c0fb54830342005e347c0f1376e21c9ccaa0e5acb205202e3a [2021-12-15 17:01:25,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:01:25,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:01:25,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:01:25,128 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:01:25,128 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:01:25,130 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig7b-alloca.i [2021-12-15 17:01:25,208 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49bb14343/f5d2834307924eb89639a23f4f33d5d4/FLAGfe1745db5 [2021-12-15 17:01:25,589 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:01:25,591 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig7b-alloca.i [2021-12-15 17:01:25,612 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49bb14343/f5d2834307924eb89639a23f4f33d5d4/FLAGfe1745db5 [2021-12-15 17:01:25,971 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49bb14343/f5d2834307924eb89639a23f4f33d5d4 [2021-12-15 17:01:25,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:01:25,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:01:25,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:01:25,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:01:25,979 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:01:25,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:01:25" (1/1) ... [2021-12-15 17:01:25,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de124f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:01:25, skipping insertion in model container [2021-12-15 17:01:25,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:01:25" (1/1) ... [2021-12-15 17:01:25,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:01:26,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:01:26,247 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:01:26,254 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:01:26,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:01:26,300 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:01:26,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:01:26 WrapperNode [2021-12-15 17:01:26,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:01:26,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:01:26,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:01:26,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:01:26,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:01:26" (1/1) ... [2021-12-15 17:01:26,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:01:26" (1/1) ... [2021-12-15 17:01:26,333 INFO L137 Inliner]: procedures = 110, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2021-12-15 17:01:26,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:01:26,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:01:26,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:01:26,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:01:26,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:01:26" (1/1) ... [2021-12-15 17:01:26,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:01:26" (1/1) ... [2021-12-15 17:01:26,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:01:26" (1/1) ... [2021-12-15 17:01:26,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:01:26" (1/1) ... [2021-12-15 17:01:26,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:01:26" (1/1) ... [2021-12-15 17:01:26,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:01:26" (1/1) ... [2021-12-15 17:01:26,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:01:26" (1/1) ... [2021-12-15 17:01:26,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:01:26,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:01:26,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:01:26,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:01:26,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:01:26" (1/1) ... [2021-12-15 17:01:26,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:26,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:26,393 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) [2021-12-15 17:01:26,412 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 [2021-12-15 17:01:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 17:01:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 17:01:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 17:01:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 17:01:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:01:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:01:26,510 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:01:26,511 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:01:26,654 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:01:26,659 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:01:26,660 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 17:01:26,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:01:26 BoogieIcfgContainer [2021-12-15 17:01:26,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:01:26,662 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:01:26,662 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:01:26,665 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:01:26,666 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:01:26,666 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:01:25" (1/3) ... [2021-12-15 17:01:26,680 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76cf0d8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:01:26, skipping insertion in model container [2021-12-15 17:01:26,680 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:01:26,680 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:01:26" (2/3) ... [2021-12-15 17:01:26,681 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76cf0d8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:01:26, skipping insertion in model container [2021-12-15 17:01:26,681 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:01:26,681 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:01:26" (3/3) ... [2021-12-15 17:01:26,682 INFO L388 chiAutomizerObserver]: Analyzing ICFG CookSeeZuleger-2013TACAS-Fig7b-alloca.i [2021-12-15 17:01:26,715 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:01:26,716 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:01:26,716 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:01:26,716 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:01:26,716 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:01:26,716 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:01:26,716 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:01:26,716 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:01:26,728 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) [2021-12-15 17:01:26,739 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-15 17:01:26,744 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:01:26,744 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:01:26,749 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 17:01:26,749 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-15 17:01:26,749 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:01:26,749 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) [2021-12-15 17:01:26,755 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-15 17:01:26,756 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:01:26,756 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:01:26,756 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 17:01:26,758 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-15 17:01:26,772 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 [2021-12-15 17:01:26,772 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 [2021-12-15 17:01:26,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:01:26,782 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-15 17:01:26,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:01:26,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785634510] [2021-12-15 17:01:26,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:01:26,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:01:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:26,912 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:01:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:26,946 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:01:26,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:01:26,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1097577162, now seen corresponding path program 1 times [2021-12-15 17:01:26,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:01:26,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459520722] [2021-12-15 17:01:26,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:01:26,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:01:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:26,985 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:01:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:27,005 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:01:27,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:01:27,007 INFO L85 PathProgramCache]: Analyzing trace with hash 177626380, now seen corresponding path program 1 times [2021-12-15 17:01:27,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:01:27,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822599540] [2021-12-15 17:01:27,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:01:27,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:01:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:27,074 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:01:27,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:27,122 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:01:27,877 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:01:27,878 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:01:27,878 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:01:27,878 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:01:27,879 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:01:27,879 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:27,879 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:01:27,880 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:01:27,880 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7b-alloca.i_Iteration1_Lasso [2021-12-15 17:01:27,880 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:01:27,880 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:01:27,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:27,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:27,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:27,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:27,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:27,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:27,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:27,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:27,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:27,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:28,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:28,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:28,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:28,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:28,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:28,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:28,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:28,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:28,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:28,707 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:01:28,711 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:01:28,713 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:28,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:28,719 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) [2021-12-15 17:01:28,725 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 [2021-12-15 17:01:28,727 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 [2021-12-15 17:01:28,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:28,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:28,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:28,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:28,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:28,739 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:28,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:28,758 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:28,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-15 17:01:28,786 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:28,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:28,787 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) [2021-12-15 17:01:28,794 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 [2021-12-15 17:01:28,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:28,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:28,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:28,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:28,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:28,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:28,811 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 [2021-12-15 17:01:28,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:28,830 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 [2021-12-15 17:01:28,831 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:28,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:28,832 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) [2021-12-15 17:01:28,833 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 [2021-12-15 17:01:28,835 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 [2021-12-15 17:01:28,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:28,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:28,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:28,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:28,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:28,843 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:28,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:28,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:28,859 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 [2021-12-15 17:01:28,860 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:28,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:28,861 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) [2021-12-15 17:01:28,862 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 [2021-12-15 17:01:28,863 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 [2021-12-15 17:01:28,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:28,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:28,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:28,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:28,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:28,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:28,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:28,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:28,890 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 [2021-12-15 17:01:28,891 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:28,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:28,892 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) [2021-12-15 17:01:28,892 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 [2021-12-15 17:01:28,894 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 [2021-12-15 17:01:28,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:28,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:28,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:28,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:28,903 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:28,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:28,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:28,935 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 [2021-12-15 17:01:28,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:28,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:28,937 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) [2021-12-15 17:01:28,938 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 [2021-12-15 17:01:28,940 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 [2021-12-15 17:01:28,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:28,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:28,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:28,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:28,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:28,948 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:28,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:28,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:28,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-15 17:01:28,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:28,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:28,969 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) [2021-12-15 17:01:28,970 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 [2021-12-15 17:01:28,971 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 [2021-12-15 17:01:28,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:28,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:28,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:28,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:28,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:28,978 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:28,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:28,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:28,995 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-15 17:01:28,995 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:28,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:28,996 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) [2021-12-15 17:01:28,997 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 [2021-12-15 17:01:28,998 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 [2021-12-15 17:01:29,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:29,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:29,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:29,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:29,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:29,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:29,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:29,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-15 17:01:29,028 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:29,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:29,029 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) [2021-12-15 17:01:29,030 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 [2021-12-15 17:01:29,063 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 [2021-12-15 17:01:29,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:29,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:29,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:29,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:29,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:29,071 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:29,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:29,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:29,089 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 [2021-12-15 17:01:29,090 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:29,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:29,091 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) [2021-12-15 17:01:29,095 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 [2021-12-15 17:01:29,096 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 [2021-12-15 17:01:29,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:29,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:29,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:29,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:29,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:29,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:29,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:29,169 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 [2021-12-15 17:01:29,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:29,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:29,171 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) [2021-12-15 17:01:29,178 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 [2021-12-15 17:01:29,181 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 [2021-12-15 17:01:29,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:29,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:29,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:29,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:29,192 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:29,192 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:29,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:29,219 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-15 17:01:29,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:29,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:29,224 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) [2021-12-15 17:01:29,225 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 [2021-12-15 17:01:29,226 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 [2021-12-15 17:01:29,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:29,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:29,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:29,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:29,235 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:29,235 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:29,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:29,281 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-15 17:01:29,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:29,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:29,283 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) [2021-12-15 17:01:29,284 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 [2021-12-15 17:01:29,286 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 [2021-12-15 17:01:29,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:29,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:29,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:29,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:29,298 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:29,298 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:29,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:29,336 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 [2021-12-15 17:01:29,337 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:29,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:29,338 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) [2021-12-15 17:01:29,347 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 [2021-12-15 17:01:29,350 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 [2021-12-15 17:01:29,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:29,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:29,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:29,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:29,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:29,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:29,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:29,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:29,396 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 [2021-12-15 17:01:29,396 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:29,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:29,398 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) [2021-12-15 17:01:29,399 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 [2021-12-15 17:01:29,400 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 [2021-12-15 17:01:29,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:29,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:29,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:29,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:29,409 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:29,409 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:29,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:29,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-15 17:01:29,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:29,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:29,436 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) [2021-12-15 17:01:29,437 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 [2021-12-15 17:01:29,438 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 [2021-12-15 17:01:29,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:29,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:29,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:29,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:29,449 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:29,449 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:29,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:29,511 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 [2021-12-15 17:01:29,512 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:29,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:29,513 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) [2021-12-15 17:01:29,514 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 [2021-12-15 17:01:29,515 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 [2021-12-15 17:01:29,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:29,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:29,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:29,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:29,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:29,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:29,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:29,566 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 [2021-12-15 17:01:29,566 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:29,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:29,567 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) [2021-12-15 17:01:29,568 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 [2021-12-15 17:01:29,569 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 [2021-12-15 17:01:29,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:29,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:29,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:29,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:29,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:29,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:29,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:29,591 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:01:29,608 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-12-15 17:01:29,608 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-15 17:01:29,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:29,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:29,610 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) [2021-12-15 17:01:29,616 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 [2021-12-15 17:01:29,617 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:01:29,617 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-15 17:01:29,617 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:01:29,617 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 [] [2021-12-15 17:01:29,637 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 [2021-12-15 17:01:29,710 INFO L297 tatePredicateManager]: 24 out of 24 supporting invariants were superfluous and have been removed [2021-12-15 17:01:29,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:01:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:01:29,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 17:01:29,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:01:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:01:29,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-15 17:01:29,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:01:29,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:01:29,957 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 [2021-12-15 17:01:29,958 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) [2021-12-15 17:01:30,003 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 [2021-12-15 17:01:30,047 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. [2021-12-15 17:01:30,048 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 [2021-12-15 17:01:30,057 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) [2021-12-15 17:01:30,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 31 transitions. [2021-12-15 17:01:30,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 2 letters. Loop has 6 letters. [2021-12-15 17:01:30,061 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:01:30,061 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 8 letters. Loop has 6 letters. [2021-12-15 17:01:30,061 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:01:30,061 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 2 letters. Loop has 12 letters. [2021-12-15 17:01:30,062 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:01:30,062 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 79 transitions. [2021-12-15 17:01:30,069 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-12-15 17:01:30,073 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 34 states and 50 transitions. [2021-12-15 17:01:30,075 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2021-12-15 17:01:30,076 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-12-15 17:01:30,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 50 transitions. [2021-12-15 17:01:30,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-15 17:01:30,077 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 50 transitions. [2021-12-15 17:01:30,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 50 transitions. [2021-12-15 17:01:30,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 31. [2021-12-15 17:01:30,101 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) [2021-12-15 17:01:30,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 44 transitions. [2021-12-15 17:01:30,103 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 44 transitions. [2021-12-15 17:01:30,103 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 44 transitions. [2021-12-15 17:01:30,104 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-15 17:01:30,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 44 transitions. [2021-12-15 17:01:30,105 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-12-15 17:01:30,105 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:01:30,105 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:01:30,105 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-15 17:01:30,106 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-15 17:01:30,106 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 [2021-12-15 17:01:30,106 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 [2021-12-15 17:01:30,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:01:30,107 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-12-15 17:01:30,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:01:30,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464503580] [2021-12-15 17:01:30,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:01:30,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:01:30,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:30,139 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:01:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:30,150 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:01:30,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:01:30,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1244514134, now seen corresponding path program 1 times [2021-12-15 17:01:30,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:01:30,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463457019] [2021-12-15 17:01:30,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:01:30,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:01:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:01:30,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:01:30,183 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:01:30,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463457019] [2021-12-15 17:01:30,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463457019] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:01:30,184 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:01:30,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:01:30,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003236883] [2021-12-15 17:01:30,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:01:30,187 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-15 17:01:30,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:01:30,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 17:01:30,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-15 17:01:30,190 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) [2021-12-15 17:01:30,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:01:30,211 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2021-12-15 17:01:30,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-15 17:01:30,212 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 37 transitions. [2021-12-15 17:01:30,213 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-15 17:01:30,214 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 21 states and 25 transitions. [2021-12-15 17:01:30,214 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-12-15 17:01:30,214 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-12-15 17:01:30,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 25 transitions. [2021-12-15 17:01:30,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-15 17:01:30,214 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-12-15 17:01:30,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 25 transitions. [2021-12-15 17:01:30,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-12-15 17:01:30,216 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) [2021-12-15 17:01:30,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2021-12-15 17:01:30,217 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-12-15 17:01:30,217 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-12-15 17:01:30,217 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-15 17:01:30,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 25 transitions. [2021-12-15 17:01:30,217 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-15 17:01:30,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:01:30,218 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:01:30,218 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:01:30,218 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:01:30,218 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 [2021-12-15 17:01:30,219 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 [2021-12-15 17:01:30,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:01:30,219 INFO L85 PathProgramCache]: Analyzing trace with hash 177626382, now seen corresponding path program 1 times [2021-12-15 17:01:30,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:01:30,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085520819] [2021-12-15 17:01:30,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:01:30,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:01:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:30,235 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:01:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:30,250 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:01:30,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:01:30,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1175734219, now seen corresponding path program 1 times [2021-12-15 17:01:30,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:01:30,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913400984] [2021-12-15 17:01:30,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:01:30,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:01:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:30,259 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:01:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:30,271 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:01:30,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:01:30,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1517982238, now seen corresponding path program 1 times [2021-12-15 17:01:30,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:01:30,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543368299] [2021-12-15 17:01:30,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:01:30,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:01:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:30,299 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:01:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:30,334 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:01:31,093 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:01:31,093 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:01:31,093 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:01:31,093 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:01:31,093 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:01:31,093 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:31,093 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:01:31,093 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:01:31,094 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7b-alloca.i_Iteration3_Lasso [2021-12-15 17:01:31,094 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:01:31,094 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:01:31,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:31,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:31,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:31,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:31,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:31,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:31,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:31,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:31,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:31,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:31,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:31,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:31,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:31,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:31,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:31,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:31,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:31,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:31,790 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:01:31,791 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:01:31,791 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:31,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:31,796 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) [2021-12-15 17:01:31,797 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 [2021-12-15 17:01:31,799 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 [2021-12-15 17:01:31,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:31,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:31,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:31,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:31,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:31,810 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:31,810 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:31,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:31,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-15 17:01:31,827 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:31,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:31,828 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) [2021-12-15 17:01:31,829 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 [2021-12-15 17:01:31,830 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:01:31,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:31,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:31,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:31,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:31,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:31,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:31,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:31,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:31,852 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-15 17:01:31,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:31,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:31,856 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) [2021-12-15 17:01:31,856 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 [2021-12-15 17:01:31,858 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 [2021-12-15 17:01:31,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:31,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:31,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:31,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:31,865 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:31,865 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:31,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:31,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-15 17:01:31,882 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:31,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:31,882 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) [2021-12-15 17:01:31,883 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 [2021-12-15 17:01:31,884 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 [2021-12-15 17:01:31,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:31,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:31,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:31,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:31,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:31,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:31,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:31,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:31,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-15 17:01:31,908 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:31,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:31,909 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) [2021-12-15 17:01:31,909 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 [2021-12-15 17:01:31,911 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 [2021-12-15 17:01:31,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:31,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:31,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:31,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:31,917 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:31,917 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:31,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:31,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-15 17:01:31,958 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:31,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:31,959 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) [2021-12-15 17:01:31,968 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 [2021-12-15 17:01:31,968 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 [2021-12-15 17:01:31,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:31,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:31,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:31,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:31,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:31,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:31,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:31,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:32,014 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 [2021-12-15 17:01:32,015 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:32,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:32,016 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) [2021-12-15 17:01:32,020 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 [2021-12-15 17:01:32,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:32,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:32,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:32,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:32,028 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:32,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:32,032 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 [2021-12-15 17:01:32,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:32,064 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 [2021-12-15 17:01:32,065 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:32,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:32,066 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) [2021-12-15 17:01:32,067 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 [2021-12-15 17:01:32,068 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 [2021-12-15 17:01:32,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:32,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:32,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:32,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:32,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:32,077 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:32,092 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:01:32,097 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-15 17:01:32,097 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-12-15 17:01:32,098 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:32,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:32,100 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) [2021-12-15 17:01:32,104 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:01:32,112 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 [2021-12-15 17:01:32,122 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-15 17:01:32,122 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:01:32,122 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 [] [2021-12-15 17:01:32,145 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 [2021-12-15 17:01:32,200 INFO L297 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2021-12-15 17:01:32,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:01:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:01:32,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-15 17:01:32,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:01:32,278 INFO L388 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 14 treesize of output 12 [2021-12-15 17:01:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:01:32,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-15 17:01:32,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:01:32,361 INFO L388 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 22 [2021-12-15 17:01:32,369 INFO L388 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 [2021-12-15 17:01:32,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:01:32,520 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 [2021-12-15 17:01:32,520 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) [2021-12-15 17:01:32,643 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. [2021-12-15 17:01:32,644 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 [2021-12-15 17:01:32,645 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) [2021-12-15 17:01:32,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 23 transitions. [2021-12-15 17:01:32,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 8 letters. Loop has 7 letters. [2021-12-15 17:01:32,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:01:32,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 15 letters. Loop has 7 letters. [2021-12-15 17:01:32,647 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:01:32,647 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 8 letters. Loop has 14 letters. [2021-12-15 17:01:32,648 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:01:32,649 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 58 transitions. [2021-12-15 17:01:32,653 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-12-15 17:01:32,654 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 43 states and 52 transitions. [2021-12-15 17:01:32,654 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-12-15 17:01:32,655 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-12-15 17:01:32,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 52 transitions. [2021-12-15 17:01:32,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-15 17:01:32,655 INFO L681 BuchiCegarLoop]: Abstraction has 43 states and 52 transitions. [2021-12-15 17:01:32,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 52 transitions. [2021-12-15 17:01:32,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2021-12-15 17:01:32,659 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) [2021-12-15 17:01:32,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2021-12-15 17:01:32,660 INFO L704 BuchiCegarLoop]: Abstraction has 41 states and 49 transitions. [2021-12-15 17:01:32,660 INFO L587 BuchiCegarLoop]: Abstraction has 41 states and 49 transitions. [2021-12-15 17:01:32,660 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-15 17:01:32,660 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 49 transitions. [2021-12-15 17:01:32,661 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-12-15 17:01:32,661 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:01:32,661 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:01:32,661 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:01:32,662 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-15 17:01:32,662 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 [2021-12-15 17:01:32,663 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 [2021-12-15 17:01:32,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:01:32,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1211450581, now seen corresponding path program 1 times [2021-12-15 17:01:32,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:01:32,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74068122] [2021-12-15 17:01:32,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:01:32,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:01:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:32,682 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:01:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:32,700 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:01:32,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:01:32,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1097577162, now seen corresponding path program 2 times [2021-12-15 17:01:32,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:01:32,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114881431] [2021-12-15 17:01:32,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:01:32,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:01:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:32,732 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:01:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:32,742 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:01:32,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:01:32,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1001977698, now seen corresponding path program 1 times [2021-12-15 17:01:32,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:01:32,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579748308] [2021-12-15 17:01:32,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:01:32,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:01:32,763 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-15 17:01:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:32,782 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:01:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:32,813 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:01:33,631 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:01:33,631 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:01:33,631 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:01:33,631 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:01:33,631 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:01:33,631 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:33,631 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:01:33,631 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:01:33,631 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7b-alloca.i_Iteration4_Lasso [2021-12-15 17:01:33,631 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:01:33,631 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:01:33,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:33,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:33,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:33,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:33,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:33,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:33,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:33,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:33,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:33,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:33,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:33,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:33,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:33,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:33,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:33,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:33,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:33,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:33,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:34,350 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:01:34,351 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:01:34,351 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:34,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:34,352 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) [2021-12-15 17:01:34,359 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 [2021-12-15 17:01:34,360 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 [2021-12-15 17:01:34,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:34,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:34,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:34,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:34,368 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:34,368 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:34,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:34,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-15 17:01:34,386 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:34,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:34,387 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) [2021-12-15 17:01:34,387 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 [2021-12-15 17:01:34,389 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 [2021-12-15 17:01:34,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:34,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:34,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:34,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:34,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:34,396 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:34,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:34,397 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:34,412 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 [2021-12-15 17:01:34,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:34,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:34,413 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) [2021-12-15 17:01:34,414 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 [2021-12-15 17:01:34,416 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 [2021-12-15 17:01:34,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:34,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:34,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:34,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:34,423 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:34,423 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:34,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:34,439 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 [2021-12-15 17:01:34,440 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:34,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:34,441 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) [2021-12-15 17:01:34,442 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 [2021-12-15 17:01:34,443 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 [2021-12-15 17:01:34,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:34,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:34,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:34,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:34,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:34,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:34,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:34,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:34,465 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 [2021-12-15 17:01:34,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:34,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:34,466 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) [2021-12-15 17:01:34,467 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 [2021-12-15 17:01:34,469 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 [2021-12-15 17:01:34,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:34,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:34,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:34,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:34,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:34,476 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:34,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:34,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:34,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-15 17:01:34,492 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:34,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:34,493 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) [2021-12-15 17:01:34,494 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 [2021-12-15 17:01:34,495 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 [2021-12-15 17:01:34,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:34,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:34,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:34,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:34,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:34,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:34,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:34,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:34,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-12-15 17:01:34,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:34,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:34,520 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) [2021-12-15 17:01:34,522 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 [2021-12-15 17:01:34,595 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 [2021-12-15 17:01:34,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:34,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:34,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:34,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:34,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:34,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:34,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:34,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:34,618 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 [2021-12-15 17:01:34,619 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:34,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:34,620 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) [2021-12-15 17:01:34,621 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 [2021-12-15 17:01:34,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:01:34,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:34,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:34,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:34,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:34,630 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:34,630 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:34,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:34,647 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 [2021-12-15 17:01:34,648 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:34,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:34,648 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) [2021-12-15 17:01:34,649 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 [2021-12-15 17:01:34,651 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 [2021-12-15 17:01:34,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:34,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:34,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:34,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:34,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:34,658 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:34,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:34,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:34,675 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-12-15 17:01:34,675 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:34,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:34,676 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) [2021-12-15 17:01:34,677 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 [2021-12-15 17:01:34,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:01:34,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:34,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:34,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:34,685 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-15 17:01:34,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:34,685 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-15 17:01:34,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:34,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:34,710 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 [2021-12-15 17:01:34,711 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:34,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:34,711 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) [2021-12-15 17:01:34,713 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 [2021-12-15 17:01:34,714 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 [2021-12-15 17:01:34,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:34,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:34,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:34,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:34,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:34,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:34,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:34,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:34,738 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 [2021-12-15 17:01:34,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:34,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:34,739 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) [2021-12-15 17:01:34,740 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 [2021-12-15 17:01:34,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:01:34,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:34,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:34,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:34,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:34,748 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:34,748 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:34,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:34,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-12-15 17:01:34,771 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:34,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:34,772 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) [2021-12-15 17:01:34,772 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 [2021-12-15 17:01:34,778 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 [2021-12-15 17:01:34,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:34,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:34,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:34,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:34,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:34,787 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:34,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:34,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-12-15 17:01:34,812 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:34,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:34,813 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) [2021-12-15 17:01:34,814 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 [2021-12-15 17:01:34,816 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 [2021-12-15 17:01:34,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:34,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:34,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:34,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:34,823 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:34,824 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:34,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:34,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-12-15 17:01:34,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:34,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:34,856 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) [2021-12-15 17:01:34,860 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 [2021-12-15 17:01:34,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:34,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:34,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:34,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:34,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:34,868 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:34,870 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 [2021-12-15 17:01:34,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:34,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-15 17:01:34,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:34,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:34,890 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) [2021-12-15 17:01:34,891 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 [2021-12-15 17:01:34,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:01:34,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:34,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:34,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:34,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:34,905 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:34,905 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:34,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:34,943 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 [2021-12-15 17:01:34,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:34,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:34,945 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) [2021-12-15 17:01:34,945 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 [2021-12-15 17:01:34,947 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 [2021-12-15 17:01:34,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:34,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:34,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:34,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:34,954 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:34,954 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:34,957 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:01:34,962 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-12-15 17:01:34,962 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-12-15 17:01:34,962 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:34,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:34,963 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) [2021-12-15 17:01:34,964 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 [2021-12-15 17:01:34,965 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:01:34,972 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-15 17:01:34,972 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:01:34,972 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 [] [2021-12-15 17:01:34,988 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 [2021-12-15 17:01:35,029 INFO L297 tatePredicateManager]: 24 out of 24 supporting invariants were superfluous and have been removed [2021-12-15 17:01:35,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:01:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:01:35,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 17:01:35,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:01:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:01:35,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-15 17:01:35,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:01:35,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:01:35,176 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 [2021-12-15 17:01:35,176 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) [2021-12-15 17:01:35,202 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. [2021-12-15 17:01:35,203 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 [2021-12-15 17:01:35,204 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) [2021-12-15 17:01:35,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-12-15 17:01:35,204 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 6 letters. [2021-12-15 17:01:35,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:01:35,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 6 letters. [2021-12-15 17:01:35,206 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:01:35,206 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 12 letters. [2021-12-15 17:01:35,206 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:01:35,206 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 66 transitions. [2021-12-15 17:01:35,212 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-12-15 17:01:35,214 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 54 states and 65 transitions. [2021-12-15 17:01:35,214 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-12-15 17:01:35,214 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-12-15 17:01:35,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 65 transitions. [2021-12-15 17:01:35,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-15 17:01:35,214 INFO L681 BuchiCegarLoop]: Abstraction has 54 states and 65 transitions. [2021-12-15 17:01:35,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 65 transitions. [2021-12-15 17:01:35,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 53. [2021-12-15 17:01:35,221 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) [2021-12-15 17:01:35,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 63 transitions. [2021-12-15 17:01:35,222 INFO L704 BuchiCegarLoop]: Abstraction has 53 states and 63 transitions. [2021-12-15 17:01:35,222 INFO L587 BuchiCegarLoop]: Abstraction has 53 states and 63 transitions. [2021-12-15 17:01:35,223 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-15 17:01:35,223 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 53 states and 63 transitions. [2021-12-15 17:01:35,223 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-12-15 17:01:35,223 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:01:35,223 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:01:35,224 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1] [2021-12-15 17:01:35,224 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-15 17:01:35,224 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 [2021-12-15 17:01:35,224 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 [2021-12-15 17:01:35,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:01:35,225 INFO L85 PathProgramCache]: Analyzing trace with hash 48967168, now seen corresponding path program 2 times [2021-12-15 17:01:35,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:01:35,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959109941] [2021-12-15 17:01:35,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:01:35,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:01:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:35,243 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:01:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:35,255 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:01:35,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:01:35,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1695896472, now seen corresponding path program 3 times [2021-12-15 17:01:35,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:01:35,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238242220] [2021-12-15 17:01:35,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:01:35,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:01:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:35,261 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:01:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:35,264 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:01:35,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:01:35,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1971308119, now seen corresponding path program 1 times [2021-12-15 17:01:35,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:01:35,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514833667] [2021-12-15 17:01:35,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:01:35,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:01:35,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:35,283 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:01:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:35,296 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:01:35,609 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 [2021-12-15 17:01:36,154 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:01:36,155 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:01:36,155 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:01:36,155 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:01:36,155 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:01:36,155 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:36,155 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:01:36,155 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:01:36,155 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7b-alloca.i_Iteration5_Lasso [2021-12-15 17:01:36,155 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:01:36,155 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:01:36,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:36,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:36,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:36,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:36,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:36,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:36,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:36,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:36,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:36,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:36,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:36,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:36,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:36,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:36,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:36,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:36,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:36,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:36,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:36,811 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:01:36,812 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:01:36,812 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:36,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:36,816 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) [2021-12-15 17:01:36,824 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 [2021-12-15 17:01:36,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:36,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:36,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:36,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:36,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:36,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:36,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:36,834 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 [2021-12-15 17:01:36,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:36,856 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-12-15 17:01:36,856 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:36,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:36,857 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) [2021-12-15 17:01:36,857 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 [2021-12-15 17:01:36,897 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 [2021-12-15 17:01:36,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:36,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:36,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:36,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:36,905 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:36,905 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:36,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:36,923 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 [2021-12-15 17:01:36,923 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:36,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:36,924 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) [2021-12-15 17:01:36,925 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 [2021-12-15 17:01:36,926 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 [2021-12-15 17:01:36,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:36,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:36,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:36,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:36,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:36,934 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:36,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:36,935 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:36,950 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-12-15 17:01:36,950 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:36,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:36,951 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) [2021-12-15 17:01:36,952 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 [2021-12-15 17:01:37,009 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 [2021-12-15 17:01:37,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:37,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:37,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:37,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:37,017 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:37,017 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:37,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:37,035 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 [2021-12-15 17:01:37,035 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:37,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:37,036 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) [2021-12-15 17:01:37,037 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 [2021-12-15 17:01:37,039 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 [2021-12-15 17:01:37,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:37,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:37,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:37,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:37,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:37,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:37,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:37,064 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 [2021-12-15 17:01:37,065 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:37,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:37,066 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) [2021-12-15 17:01:37,069 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 [2021-12-15 17:01:37,072 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 [2021-12-15 17:01:37,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:37,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:37,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:37,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:37,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:37,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:37,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:37,078 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:37,094 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 [2021-12-15 17:01:37,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:37,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:37,095 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) [2021-12-15 17:01:37,099 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 [2021-12-15 17:01:37,103 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 [2021-12-15 17:01:37,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:37,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:37,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:37,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:37,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:37,107 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:37,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:37,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:37,123 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 [2021-12-15 17:01:37,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:37,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:37,124 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) [2021-12-15 17:01:37,125 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 [2021-12-15 17:01:37,126 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 [2021-12-15 17:01:37,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:37,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:37,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:37,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:37,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:37,133 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:37,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:37,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:37,150 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 [2021-12-15 17:01:37,150 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:37,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:37,151 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) [2021-12-15 17:01:37,152 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 [2021-12-15 17:01:37,153 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 [2021-12-15 17:01:37,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:37,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:37,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:37,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:37,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:37,160 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:37,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:37,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:37,176 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 [2021-12-15 17:01:37,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:37,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:37,177 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) [2021-12-15 17:01:37,178 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 [2021-12-15 17:01:37,179 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 [2021-12-15 17:01:37,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:37,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:37,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:37,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:37,186 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:37,186 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:37,188 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:37,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-12-15 17:01:37,204 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:37,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:37,205 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) [2021-12-15 17:01:37,205 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 [2021-12-15 17:01:37,206 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 [2021-12-15 17:01:37,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:37,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:37,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:37,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:37,226 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:37,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:37,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:37,251 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-12-15 17:01:37,251 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:37,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:37,252 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) [2021-12-15 17:01:37,253 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 [2021-12-15 17:01:37,254 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 [2021-12-15 17:01:37,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:37,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:37,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:37,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:37,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:37,263 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:37,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:37,281 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 [2021-12-15 17:01:37,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:37,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:37,282 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) [2021-12-15 17:01:37,283 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 [2021-12-15 17:01:37,284 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 [2021-12-15 17:01:37,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:37,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:37,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:37,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:37,294 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:37,294 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:37,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:37,315 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-12-15 17:01:37,315 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:37,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:37,316 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) [2021-12-15 17:01:37,317 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 [2021-12-15 17:01:37,319 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 [2021-12-15 17:01:37,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:37,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:37,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:37,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:37,327 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:37,327 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:37,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:37,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-12-15 17:01:37,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:37,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:37,362 INFO L229 MonitoredProcess]: Starting monitored process 62 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) [2021-12-15 17:01:37,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-15 17:01:37,364 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 [2021-12-15 17:01:37,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:37,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:37,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:37,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:37,375 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:37,375 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:37,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:37,414 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-12-15 17:01:37,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:37,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:37,416 INFO L229 MonitoredProcess]: Starting monitored process 63 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) [2021-12-15 17:01:37,419 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 [2021-12-15 17:01:37,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-12-15 17:01:37,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:37,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:37,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:37,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:37,428 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:37,428 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:37,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:37,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-12-15 17:01:37,461 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:37,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:37,463 INFO L229 MonitoredProcess]: Starting monitored process 64 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) [2021-12-15 17:01:37,467 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 [2021-12-15 17:01:37,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:37,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:37,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:37,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:37,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:37,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:37,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-12-15 17:01:37,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:37,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-12-15 17:01:37,516 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:37,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:37,517 INFO L229 MonitoredProcess]: Starting monitored process 65 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) [2021-12-15 17:01:37,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-12-15 17:01:37,519 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 [2021-12-15 17:01:37,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:37,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:37,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:37,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:37,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:37,527 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:37,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:37,545 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-12-15 17:01:37,545 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:37,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:37,546 INFO L229 MonitoredProcess]: Starting monitored process 66 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) [2021-12-15 17:01:37,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-12-15 17:01:37,548 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 [2021-12-15 17:01:37,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:37,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:37,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:37,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:37,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:37,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:37,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:37,556 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:01:37,558 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-15 17:01:37,558 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-15 17:01:37,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:37,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:37,559 INFO L229 MonitoredProcess]: Starting monitored process 67 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) [2021-12-15 17:01:37,566 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:01:37,566 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-15 17:01:37,566 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:01:37,566 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 [] [2021-12-15 17:01:37,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-12-15 17:01:37,582 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-12-15 17:01:37,622 INFO L297 tatePredicateManager]: 24 out of 24 supporting invariants were superfluous and have been removed [2021-12-15 17:01:37,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:01:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:01:37,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 17:01:37,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:01:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:01:37,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-15 17:01:37,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:01:37,703 INFO L388 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 [2021-12-15 17:01:37,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:01:37,765 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 [2021-12-15 17:01:37,765 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) [2021-12-15 17:01:37,795 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. [2021-12-15 17:01:37,797 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 [2021-12-15 17:01:37,798 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) [2021-12-15 17:01:37,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2021-12-15 17:01:37,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 14 letters. Loop has 6 letters. [2021-12-15 17:01:37,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:01:37,800 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-15 17:01:37,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:01:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:01:37,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 17:01:37,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:01:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:01:37,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-15 17:01:37,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:01:37,868 INFO L388 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 [2021-12-15 17:01:37,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:01:37,945 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 [2021-12-15 17:01:37,945 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) [2021-12-15 17:01:37,978 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. [2021-12-15 17:01:37,979 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 [2021-12-15 17:01:37,980 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) [2021-12-15 17:01:37,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 14 transitions. [2021-12-15 17:01:37,980 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 14 letters. Loop has 6 letters. [2021-12-15 17:01:37,980 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:01:37,980 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-15 17:01:37,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:01:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:01:38,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 17:01:38,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:01:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:01:38,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-15 17:01:38,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:01:38,064 INFO L388 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 [2021-12-15 17:01:38,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:01:38,125 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 [2021-12-15 17:01:38,125 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) [2021-12-15 17:01:38,165 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. [2021-12-15 17:01:38,165 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 [2021-12-15 17:01:38,167 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) [2021-12-15 17:01:38,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2021-12-15 17:01:38,169 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 14 letters. Loop has 6 letters. [2021-12-15 17:01:38,170 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:01:38,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 20 letters. Loop has 6 letters. [2021-12-15 17:01:38,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:01:38,172 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 14 letters. Loop has 12 letters. [2021-12-15 17:01:38,172 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:01:38,173 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 118 states and 142 transitions. [2021-12-15 17:01:38,176 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 16 [2021-12-15 17:01:38,179 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 118 states to 90 states and 103 transitions. [2021-12-15 17:01:38,179 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2021-12-15 17:01:38,180 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 39 [2021-12-15 17:01:38,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 103 transitions. [2021-12-15 17:01:38,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-15 17:01:38,180 INFO L681 BuchiCegarLoop]: Abstraction has 90 states and 103 transitions. [2021-12-15 17:01:38,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states and 103 transitions. [2021-12-15 17:01:38,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 67. [2021-12-15 17:01:38,189 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) [2021-12-15 17:01:38,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 80 transitions. [2021-12-15 17:01:38,189 INFO L704 BuchiCegarLoop]: Abstraction has 67 states and 80 transitions. [2021-12-15 17:01:38,189 INFO L587 BuchiCegarLoop]: Abstraction has 67 states and 80 transitions. [2021-12-15 17:01:38,189 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-15 17:01:38,190 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 67 states and 80 transitions. [2021-12-15 17:01:38,190 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 16 [2021-12-15 17:01:38,190 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:01:38,190 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:01:38,191 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-12-15 17:01:38,191 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 1, 1, 1] [2021-12-15 17:01:38,191 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 [2021-12-15 17:01:38,191 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 [2021-12-15 17:01:38,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:01:38,192 INFO L85 PathProgramCache]: Analyzing trace with hash -285922666, now seen corresponding path program 2 times [2021-12-15 17:01:38,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:01:38,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785523497] [2021-12-15 17:01:38,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:01:38,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:01:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:38,206 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:01:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:38,215 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:01:38,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:01:38,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1998556810, now seen corresponding path program 1 times [2021-12-15 17:01:38,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:01:38,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732293106] [2021-12-15 17:01:38,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:01:38,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:01:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:38,234 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:01:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:38,241 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:01:38,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:01:38,242 INFO L85 PathProgramCache]: Analyzing trace with hash 691396865, now seen corresponding path program 1 times [2021-12-15 17:01:38,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:01:38,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873773285] [2021-12-15 17:01:38,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:01:38,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:01:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:38,256 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:01:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:01:38,275 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:01:38,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-12-15 17:01:39,255 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:01:39,256 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:01:39,256 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:01:39,256 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:01:39,256 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:01:39,256 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:39,256 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:01:39,256 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:01:39,256 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7b-alloca.i_Iteration6_Lasso [2021-12-15 17:01:39,256 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:01:39,256 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:01:39,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:39,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:39,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:39,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:39,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:39,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:39,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:39,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:39,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:39,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:39,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:39,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:39,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:39,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:39,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:39,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:01:39,879 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:01:39,880 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:01:39,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:39,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:39,881 INFO L229 MonitoredProcess]: Starting monitored process 68 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) [2021-12-15 17:01:39,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-12-15 17:01:39,884 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 [2021-12-15 17:01:39,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:39,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:39,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:39,891 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-15 17:01:39,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:39,891 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-15 17:01:39,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:39,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:39,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-12-15 17:01:39,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:39,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:39,908 INFO L229 MonitoredProcess]: Starting monitored process 69 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) [2021-12-15 17:01:39,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-12-15 17:01:39,911 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 [2021-12-15 17:01:39,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:39,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:39,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:39,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:39,918 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:39,918 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:39,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:39,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-12-15 17:01:39,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:39,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:39,937 INFO L229 MonitoredProcess]: Starting monitored process 70 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) [2021-12-15 17:01:39,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-12-15 17:01:39,939 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 [2021-12-15 17:01:39,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:39,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:39,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:39,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:39,946 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:39,946 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:39,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:39,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-12-15 17:01:39,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:39,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:39,969 INFO L229 MonitoredProcess]: Starting monitored process 71 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) [2021-12-15 17:01:39,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-12-15 17:01:39,971 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 [2021-12-15 17:01:39,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:39,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:39,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:39,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:39,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:39,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:39,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:39,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:39,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-12-15 17:01:39,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:39,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:39,999 INFO L229 MonitoredProcess]: Starting monitored process 72 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) [2021-12-15 17:01:40,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-12-15 17:01:40,013 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 [2021-12-15 17:01:40,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:40,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:40,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:40,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:40,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:40,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:40,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:40,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:40,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-12-15 17:01:40,037 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:40,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:40,039 INFO L229 MonitoredProcess]: Starting monitored process 73 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) [2021-12-15 17:01:40,048 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 [2021-12-15 17:01:40,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:40,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:40,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:40,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:40,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:40,057 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:40,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:40,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-12-15 17:01:40,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:40,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-12-15 17:01:40,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:40,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:40,100 INFO L229 MonitoredProcess]: Starting monitored process 74 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) [2021-12-15 17:01:40,104 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 [2021-12-15 17:01:40,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:40,111 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:40,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:40,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:40,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:40,112 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:40,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:40,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-12-15 17:01:40,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:40,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-12-15 17:01:40,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:40,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:40,132 INFO L229 MonitoredProcess]: Starting monitored process 75 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) [2021-12-15 17:01:40,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-12-15 17:01:40,133 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 [2021-12-15 17:01:40,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:40,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:40,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:40,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:40,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:40,140 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:40,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:40,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:40,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-12-15 17:01:40,157 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:40,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:40,157 INFO L229 MonitoredProcess]: Starting monitored process 76 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) [2021-12-15 17:01:40,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-12-15 17:01:40,159 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 [2021-12-15 17:01:40,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:40,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:40,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:40,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:40,166 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:40,166 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:40,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:40,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-12-15 17:01:40,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:40,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:40,185 INFO L229 MonitoredProcess]: Starting monitored process 77 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) [2021-12-15 17:01:40,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-12-15 17:01:40,243 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 [2021-12-15 17:01:40,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:40,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:01:40,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:40,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:40,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:40,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:01:40,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:01:40,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:40,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-12-15 17:01:40,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:40,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:40,267 INFO L229 MonitoredProcess]: Starting monitored process 78 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) [2021-12-15 17:01:40,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-12-15 17:01:40,269 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 [2021-12-15 17:01:40,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:40,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:40,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:40,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:40,277 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:40,277 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:40,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:40,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-12-15 17:01:40,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:40,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:40,296 INFO L229 MonitoredProcess]: Starting monitored process 79 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) [2021-12-15 17:01:40,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-12-15 17:01:40,297 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 [2021-12-15 17:01:40,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:40,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:40,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:40,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:40,305 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:40,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:40,309 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:40,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-12-15 17:01:40,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:40,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:40,325 INFO L229 MonitoredProcess]: Starting monitored process 80 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) [2021-12-15 17:01:40,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-12-15 17:01:40,327 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 [2021-12-15 17:01:40,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:40,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:40,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:40,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:40,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:40,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:40,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:40,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-12-15 17:01:40,354 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:40,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:40,355 INFO L229 MonitoredProcess]: Starting monitored process 81 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) [2021-12-15 17:01:40,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-12-15 17:01:40,357 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 [2021-12-15 17:01:40,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:40,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:40,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:40,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:40,365 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:40,365 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:40,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:40,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-12-15 17:01:40,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:40,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:40,385 INFO L229 MonitoredProcess]: Starting monitored process 82 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) [2021-12-15 17:01:40,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-12-15 17:01:40,387 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 [2021-12-15 17:01:40,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:40,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:40,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:40,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:40,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:40,395 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:40,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:01:40,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-12-15 17:01:40,413 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:40,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:40,414 INFO L229 MonitoredProcess]: Starting monitored process 83 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) [2021-12-15 17:01:40,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-12-15 17:01:40,416 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 [2021-12-15 17:01:40,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:01:40,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:01:40,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:01:40,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:01:40,425 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:01:40,425 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:01:40,429 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:01:40,453 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-12-15 17:01:40,454 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-12-15 17:01:40,454 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:01:40,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:01:40,456 INFO L229 MonitoredProcess]: Starting monitored process 84 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) [2021-12-15 17:01:40,464 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:01:40,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-12-15 17:01:40,488 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2021-12-15 17:01:40,488 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:01:40,489 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_#t~mem5#1) = 1*ULTIMATE.start_main_#t~mem5#1 Supporting invariants [-1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_5 + 1*ULTIMATE.start_main_#t~mem5#1 >= 0, 2*ULTIMATE.start_main_#t~mem5#1 - 1 >= 0] [2021-12-15 17:01:40,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-12-15 17:01:40,584 INFO L297 tatePredicateManager]: 23 out of 26 supporting invariants were superfluous and have been removed [2021-12-15 17:01:40,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:01:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:01:40,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 19 conjunts are in the unsatisfiable core [2021-12-15 17:01:40,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:01:40,666 INFO L354 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2021-12-15 17:01:40,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 26 treesize of output 27 [2021-12-15 17:01:40,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-15 17:01:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:01:40,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-15 17:01:40,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:01:40,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-12-15 17:01:40,925 INFO L354 Elim1Store]: treesize reduction 18, result has 60.9 percent of original size [2021-12-15 17:01:40,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 46 [2021-12-15 17:01:40,949 INFO L354 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2021-12-15 17:01:40,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 49 [2021-12-15 17:01:41,027 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-15 17:01:41,705 INFO L354 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2021-12-15 17:01:41,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 69 treesize of output 72 [2021-12-15 17:01:42,652 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:01:42,653 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 9 loop predicates [2021-12-15 17:01:42,653 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 67 states and 80 transitions. cyclomatic complexity: 18 Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 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) [2021-12-15 17:01:42,827 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 67 states and 80 transitions. cyclomatic complexity: 18. Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 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) Result 122 states and 143 transitions. Complement of second has 13 states. [2021-12-15 17:01:42,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 3 stem states 4 non-accepting loop states 1 accepting loop states [2021-12-15 17:01:42,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 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) [2021-12-15 17:01:42,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 18 transitions. [2021-12-15 17:01:42,828 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 12 letters. Loop has 13 letters. [2021-12-15 17:01:42,828 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:01:42,828 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-15 17:01:42,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:01:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:01:42,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 19 conjunts are in the unsatisfiable core [2021-12-15 17:01:42,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:01:42,892 INFO L354 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2021-12-15 17:01:42,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 26 treesize of output 27 [2021-12-15 17:01:42,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-15 17:01:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:01:43,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 24 conjunts are in the unsatisfiable core [2021-12-15 17:01:43,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:01:43,138 INFO L354 Elim1Store]: treesize reduction 18, result has 60.9 percent of original size [2021-12-15 17:01:43,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 46 [2021-12-15 17:01:43,152 INFO L354 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2021-12-15 17:01:43,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 49 [2021-12-15 17:01:43,199 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-15 17:01:43,871 INFO L354 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2021-12-15 17:01:43,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 69 [2021-12-15 17:01:46,394 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:01:46,394 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 9 loop predicates [2021-12-15 17:01:46,395 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 67 states and 80 transitions. cyclomatic complexity: 18 Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 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) [2021-12-15 17:01:46,491 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 67 states and 80 transitions. cyclomatic complexity: 18. Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 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) Result 122 states and 143 transitions. Complement of second has 11 states. [2021-12-15 17:01:46,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-15 17:01:46,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 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) [2021-12-15 17:01:46,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 18 transitions. [2021-12-15 17:01:46,492 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 18 transitions. Stem has 12 letters. Loop has 13 letters. [2021-12-15 17:01:46,492 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:01:46,492 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-15 17:01:46,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:01:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:01:46,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-15 17:01:46,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:01:46,559 INFO L354 Elim1Store]: treesize reduction 52, result has 17.5 percent of original size [2021-12-15 17:01:46,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 35 treesize of output 34 [2021-12-15 17:01:46,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-12-15 17:01:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:01:46,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-15 17:01:46,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:01:46,801 INFO L354 Elim1Store]: treesize reduction 18, result has 60.9 percent of original size [2021-12-15 17:01:46,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 46 [2021-12-15 17:01:46,814 INFO L354 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2021-12-15 17:01:46,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 49 [2021-12-15 17:01:46,868 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-15 17:01:47,436 INFO L354 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2021-12-15 17:01:47,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 69 treesize of output 72 [2021-12-15 17:01:49,513 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:01:49,514 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 9 loop predicates [2021-12-15 17:01:49,514 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 67 states and 80 transitions. cyclomatic complexity: 18 Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 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) [2021-12-15 17:01:49,515 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 67 states and 80 transitions. cyclomatic complexity: 18. Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 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) Result 67 states and 80 transitions. Complement of second has 2 states. [2021-12-15 17:01:49,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 1 states 1 stem states 0 non-accepting loop states 0 accepting loop states [2021-12-15 17:01:49,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 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) [2021-12-15 17:01:49,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1 states to 1 states and 0 transitions. [2021-12-15 17:01:49,515 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 1 states and 0 transitions. Stem has 12 letters. Loop has 13 letters. [2021-12-15 17:01:49,515 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:01:49,516 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-15 17:01:49,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:01:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:01:49,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-15 17:01:49,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:01:49,601 INFO L354 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2021-12-15 17:01:49,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 26 treesize of output 27 [2021-12-15 17:01:49,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-15 17:01:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:01:49,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 24 conjunts are in the unsatisfiable core [2021-12-15 17:01:49,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:01:49,813 INFO L354 Elim1Store]: treesize reduction 18, result has 60.9 percent of original size [2021-12-15 17:01:49,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 46 [2021-12-15 17:01:49,830 INFO L354 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2021-12-15 17:01:49,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 49 [2021-12-15 17:01:49,888 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-15 17:01:50,575 INFO L354 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2021-12-15 17:01:50,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 69 treesize of output 72 [2021-12-15 17:01:51,176 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:01:51,177 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.4 stem predicates 9 loop predicates [2021-12-15 17:01:51,177 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 67 states and 80 transitions. cyclomatic complexity: 18 Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 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) [2021-12-15 17:01:51,293 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 67 states and 80 transitions. cyclomatic complexity: 18. Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 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) Result 197 states and 230 transitions. Complement of second has 20 states. [2021-12-15 17:01:51,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-15 17:01:51,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 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) [2021-12-15 17:01:51,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 25 transitions. [2021-12-15 17:01:51,294 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 25 transitions. Stem has 12 letters. Loop has 13 letters. [2021-12-15 17:01:51,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:01:51,294 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-15 17:01:51,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:01:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:01:51,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-15 17:01:51,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:01:51,359 INFO L354 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2021-12-15 17:01:51,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 26 treesize of output 27 [2021-12-15 17:01:51,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-15 17:01:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:01:51,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-15 17:01:51,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:01:51,561 INFO L354 Elim1Store]: treesize reduction 18, result has 60.9 percent of original size [2021-12-15 17:01:51,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 46 [2021-12-15 17:01:51,573 INFO L354 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2021-12-15 17:01:51,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 49 [2021-12-15 17:01:51,635 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-15 17:01:52,246 INFO L354 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2021-12-15 17:01:52,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 69 treesize of output 72 [2021-12-15 17:01:52,836 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:01:52,836 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.4 stem predicates 9 loop predicates [2021-12-15 17:01:52,837 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 67 states and 80 transitions. cyclomatic complexity: 18 Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 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) [2021-12-15 17:01:53,001 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 67 states and 80 transitions. cyclomatic complexity: 18 Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 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) Result 301 states and 401 transitions. Complement of second has 16 states 6 powerset states10 rank states. The highest rank that occured is 3 [2021-12-15 17:01:53,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 1 non-accepting loop states 2 accepting loop states [2021-12-15 17:01:53,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 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) [2021-12-15 17:01:53,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 27 transitions. [2021-12-15 17:01:53,003 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 27 transitions. Stem has 12 letters. Loop has 13 letters. [2021-12-15 17:01:53,004 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:01:53,004 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-15 17:01:53,004 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: no settings was sufficient at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:785) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:549) 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) [2021-12-15 17:01:53,010 INFO L158 Benchmark]: Toolchain (without parser) took 27035.14ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 69.8MB in the beginning and 47.3MB in the end (delta: 22.5MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. [2021-12-15 17:01:53,010 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 81.8MB. Free memory is still 38.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:01:53,010 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.58ms. Allocated memory is still 100.7MB. Free memory was 69.3MB in the beginning and 71.6MB in the end (delta: -2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 17:01:53,010 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.69ms. Allocated memory is still 100.7MB. Free memory was 71.6MB in the beginning and 70.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:01:53,010 INFO L158 Benchmark]: Boogie Preprocessor took 17.91ms. Allocated memory is still 100.7MB. Free memory was 70.1MB in the beginning and 68.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:01:53,010 INFO L158 Benchmark]: RCFGBuilder took 308.30ms. Allocated memory is still 100.7MB. Free memory was 68.9MB in the beginning and 57.8MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 17:01:53,011 INFO L158 Benchmark]: BuchiAutomizer took 26347.23ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 57.8MB in the beginning and 47.3MB in the end (delta: 10.5MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2021-12-15 17:01:53,012 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 81.8MB. Free memory is still 38.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.58ms. Allocated memory is still 100.7MB. Free memory was 69.3MB in the beginning and 71.6MB in the end (delta: -2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.69ms. Allocated memory is still 100.7MB. Free memory was 71.6MB in the beginning and 70.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.91ms. Allocated memory is still 100.7MB. Free memory was 70.1MB in the beginning and 68.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 308.30ms. Allocated memory is still 100.7MB. Free memory was 68.9MB in the beginning and 57.8MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 26347.23ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 57.8MB in the beginning and 47.3MB in the end (delta: 10.5MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: no settings was sufficient de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: no settings was sufficient: de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:785) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 17:01:53,048 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: AssertionError: no settings was sufficient