./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.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 a96be28be4b50f026536d78db5ba85eeb0ae4413 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 14:34:29,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 14:34:29,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 14:34:29,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 14:34:29,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 14:34:29,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 14:34:29,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 14:34:29,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 14:34:29,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 14:34:29,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 14:34:29,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 14:34:29,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 14:34:29,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 14:34:29,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 14:34:29,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 14:34:29,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 14:34:29,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 14:34:29,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 14:34:29,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 14:34:29,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 14:34:29,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 14:34:29,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 14:34:29,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 14:34:29,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 14:34:29,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 14:34:29,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 14:34:29,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 14:34:29,859 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 14:34:29,860 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 14:34:29,860 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 14:34:29,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 14:34:29,861 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 14:34:29,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 14:34:29,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 14:34:29,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 14:34:29,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 14:34:29,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 14:34:29,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 14:34:29,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 14:34:29,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 14:34:29,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 14:34:29,869 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-08-27 14:34:29,897 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 14:34:29,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 14:34:29,898 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 14:34:29,898 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 14:34:29,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 14:34:29,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 14:34:29,899 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 14:34:29,900 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 14:34:29,900 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 14:34:29,900 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 14:34:29,900 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 14:34:29,901 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 14:34:29,901 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 14:34:29,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 14:34:29,901 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 14:34:29,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 14:34:29,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 14:34:29,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 14:34:29,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 14:34:29,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 14:34:29,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 14:34:29,902 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 14:34:29,902 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 14:34:29,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 14:34:29,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 14:34:29,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 14:34:29,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 14:34:29,903 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 14:34:29,903 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 14:34:29,904 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 14:34:29,904 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a96be28be4b50f026536d78db5ba85eeb0ae4413 [2021-08-27 14:34:30,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 14:34:30,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 14:34:30,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 14:34:30,158 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 14:34:30,158 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 14:34:30,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i [2021-08-27 14:34:30,205 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af4c1d59c/a7223099ad354f3bb0a60f4eca704f1f/FLAG789dfb7c0 [2021-08-27 14:34:30,539 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 14:34:30,540 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex3.i [2021-08-27 14:34:30,543 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af4c1d59c/a7223099ad354f3bb0a60f4eca704f1f/FLAG789dfb7c0 [2021-08-27 14:34:30,555 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af4c1d59c/a7223099ad354f3bb0a60f4eca704f1f [2021-08-27 14:34:30,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 14:34:30,559 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 14:34:30,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 14:34:30,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 14:34:30,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 14:34:30,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:34:30" (1/1) ... [2021-08-27 14:34:30,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74254e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:34:30, skipping insertion in model container [2021-08-27 14:34:30,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:34:30" (1/1) ... [2021-08-27 14:34:30,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 14:34:30,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 14:34:30,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 14:34:30,693 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 14:34:30,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 14:34:30,712 INFO L208 MainTranslator]: Completed translation [2021-08-27 14:34:30,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:34:30 WrapperNode [2021-08-27 14:34:30,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 14:34:30,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 14:34:30,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 14:34:30,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 14:34:30,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:34:30" (1/1) ... [2021-08-27 14:34:30,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:34:30" (1/1) ... [2021-08-27 14:34:30,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 14:34:30,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 14:34:30,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 14:34:30,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 14:34:30,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:34:30" (1/1) ... [2021-08-27 14:34:30,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:34:30" (1/1) ... [2021-08-27 14:34:30,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:34:30" (1/1) ... [2021-08-27 14:34:30,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:34:30" (1/1) ... [2021-08-27 14:34:30,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:34:30" (1/1) ... [2021-08-27 14:34:30,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:34:30" (1/1) ... [2021-08-27 14:34:30,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:34:30" (1/1) ... [2021-08-27 14:34:30,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 14:34:30,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 14:34:30,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 14:34:30,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 14:34:30,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:34:30" (1/1) ... [2021-08-27 14:34:30,806 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:30,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:30,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:30,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-27 14:34:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-27 14:34:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2021-08-27 14:34:30,858 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2021-08-27 14:34:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-27 14:34:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 14:34:30,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 14:34:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-27 14:34:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 14:34:31,041 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 14:34:31,041 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-08-27 14:34:31,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:34:31 BoogieIcfgContainer [2021-08-27 14:34:31,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 14:34:31,043 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 14:34:31,043 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 14:34:31,045 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 14:34:31,045 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:34:31,046 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 02:34:30" (1/3) ... [2021-08-27 14:34:31,046 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a68b499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 02:34:31, skipping insertion in model container [2021-08-27 14:34:31,046 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:34:31,046 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:34:30" (2/3) ... [2021-08-27 14:34:31,047 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a68b499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 02:34:31, skipping insertion in model container [2021-08-27 14:34:31,047 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:34:31,047 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:34:31" (3/3) ... [2021-08-27 14:34:31,048 INFO L389 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex3.i [2021-08-27 14:34:31,093 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 14:34:31,093 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 14:34:31,093 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 14:34:31,094 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 14:34:31,094 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 14:34:31,094 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 14:34:31,094 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 14:34:31,094 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 14:34:31,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-08-27 14:34:31,123 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-08-27 14:34:31,123 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:34:31,123 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:34:31,127 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-27 14:34:31,128 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:34:31,128 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 14:34:31,128 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-08-27 14:34:31,130 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-08-27 14:34:31,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:34:31,130 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:34:31,130 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-27 14:34:31,130 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:34:31,135 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 6#L-1true havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet8, main_#t~ret9, main_~op~0.base, main_~op~0.offset, main_~i~0;main_~i~0 := main_#t~nondet6;havoc main_#t~nondet6; 10#L20-2true [2021-08-27 14:34:31,135 INFO L793 eck$LassoCheckResult]: Loop: 10#L20-2true assume !!(main_~i~0 > 0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4);main_~op~0.base, main_~op~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset;call write~int(main_#t~nondet8, main_~op~0.base, main_~op~0.offset, 4);havoc main_#t~nondet8; 12#L23true call main_#t~ret9 := rec(main_~op~0.base, main_~op~0.offset);< 11#recENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 9#L9true assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 14#recFINALtrue assume true; 13#recEXITtrue >#30#return; 7#L23-1true main_~i~0 := main_~i~0 + main_#t~ret9;havoc main_#t~ret9; 10#L20-2true [2021-08-27 14:34:31,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:31,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2021-08-27 14:34:31,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:31,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381902352] [2021-08-27 14:34:31,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:31,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:31,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:31,205 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:34:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:31,232 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:34:31,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:31,234 INFO L82 PathProgramCache]: Analyzing trace with hash -2039113776, now seen corresponding path program 1 times [2021-08-27 14:34:31,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:31,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195913098] [2021-08-27 14:34:31,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:31,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:31,269 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:34:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:31,302 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:34:31,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:31,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1009969970, now seen corresponding path program 1 times [2021-08-27 14:34:31,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:31,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142963111] [2021-08-27 14:34:31,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:31,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:31,327 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:34:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:31,338 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:34:32,063 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:34:32,063 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:34:32,066 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:34:32,066 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:34:32,066 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:34:32,066 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:32,066 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:34:32,066 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:34:32,066 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration1_Lasso [2021-08-27 14:34:32,067 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:34:32,067 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:34:32,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:32,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:32,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:32,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:32,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:32,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:32,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:32,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:32,301 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:34:32,304 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:34:32,305 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:32,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:32,312 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:32,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-08-27 14:34:32,316 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:32,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:32,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:32,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:32,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:32,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:32,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:32,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:32,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:32,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-08-27 14:34:32,346 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:32,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:32,347 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:32,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-08-27 14:34:32,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:32,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:32,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:32,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:32,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:32,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:32,356 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:32,356 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:32,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:32,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:32,377 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:32,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:32,378 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:32,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-08-27 14:34:32,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:32,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:32,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:32,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:32,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:32,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:32,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:32,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:32,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:32,413 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-08-27 14:34:32,413 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:32,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:32,414 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:32,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-08-27 14:34:32,416 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 [2021-08-27 14:34:32,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:32,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:32,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:32,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:32,426 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:34:32,427 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:34:32,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:32,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:32,449 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:32,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:32,450 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:32,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-08-27 14:34:32,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:32,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:32,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:32,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:32,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:32,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:32,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:32,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:32,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:32,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:32,487 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:32,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:32,488 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:32,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-08-27 14:34:32,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:32,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:32,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:32,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:32,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:32,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:32,497 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:32,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:32,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:32,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:32,515 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:32,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:32,516 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:32,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-08-27 14:34:32,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:32,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:32,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:32,524 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 14:34:32,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:32,532 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-08-27 14:34:32,532 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-08-27 14:34:32,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:32,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:32,560 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:32,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:32,561 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:32,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-08-27 14:34:32,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:32,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:32,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:32,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:32,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:32,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:32,571 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:32,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:32,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:32,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:32,587 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:32,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:32,588 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:32,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-08-27 14:34:32,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:32,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:32,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:32,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:32,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:32,598 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:34:32,598 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:34:32,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:32,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:32,682 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:32,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:32,682 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:32,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-08-27 14:34:32,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:32,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:32,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:32,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:32,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:32,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:32,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:32,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:32,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:32,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:32,725 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:32,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:32,733 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:32,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:32,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:32,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:32,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:32,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:32,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:32,755 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:32,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:32,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-08-27 14:34:32,772 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 14:34:32,778 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 14:34:32,778 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-08-27 14:34:32,779 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:32,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:32,782 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:32,784 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 14:34:32,785 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 14:34:32,785 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 14:34:32,785 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-08-27 14:34:32,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-08-27 14:34:32,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:32,802 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 14:34:32,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:34:32,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 14:34:32,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:34:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:34:32,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-27 14:34:32,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:34:33,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:33,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15 treesize of output 7 [2021-08-27 14:34:33,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:34:33,082 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2021-08-27 14:34:33,083 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-27 14:34:33,170 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 63 states and 77 transitions. Complement of second has 22 states. [2021-08-27 14:34:33,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2021-08-27 14:34:33,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-27 14:34:33,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 22 transitions. [2021-08-27 14:34:33,175 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 22 transitions. Stem has 2 letters. Loop has 7 letters. [2021-08-27 14:34:33,176 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:34:33,176 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 22 transitions. Stem has 9 letters. Loop has 7 letters. [2021-08-27 14:34:33,176 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:34:33,176 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 22 transitions. Stem has 2 letters. Loop has 14 letters. [2021-08-27 14:34:33,176 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:34:33,177 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 77 transitions. [2021-08-27 14:34:33,185 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-08-27 14:34:33,190 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 35 states and 42 transitions. [2021-08-27 14:34:33,190 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-08-27 14:34:33,191 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-08-27 14:34:33,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 42 transitions. [2021-08-27 14:34:33,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 14:34:33,191 INFO L681 BuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2021-08-27 14:34:33,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 42 transitions. [2021-08-27 14:34:33,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2021-08-27 14:34:33,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2021-08-27 14:34:33,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2021-08-27 14:34:33,212 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 38 transitions. [2021-08-27 14:34:33,212 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 38 transitions. [2021-08-27 14:34:33,212 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 14:34:33,212 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 38 transitions. [2021-08-27 14:34:33,214 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-08-27 14:34:33,214 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:34:33,214 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:34:33,215 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:34:33,215 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 14:34:33,215 INFO L791 eck$LassoCheckResult]: Stem: 154#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 155#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet8, main_#t~ret9, main_~op~0.base, main_~op~0.offset, main_~i~0;main_~i~0 := main_#t~nondet6;havoc main_#t~nondet6; 179#L20-2 assume !!(main_~i~0 > 0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4);main_~op~0.base, main_~op~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset;call write~int(main_#t~nondet8, main_~op~0.base, main_~op~0.offset, 4);havoc main_#t~nondet8; 157#L23 call main_#t~ret9 := rec(main_~op~0.base, main_~op~0.offset);< 172#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 156#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 158#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 168#recENTRY [2021-08-27 14:34:33,215 INFO L793 eck$LassoCheckResult]: Loop: 168#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 170#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 169#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 168#recENTRY [2021-08-27 14:34:33,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:33,216 INFO L82 PathProgramCache]: Analyzing trace with hash 557607690, now seen corresponding path program 1 times [2021-08-27 14:34:33,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:33,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503838101] [2021-08-27 14:34:33,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:33,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:33,242 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:34:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:33,252 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:34:33,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:33,252 INFO L82 PathProgramCache]: Analyzing trace with hash 29942, now seen corresponding path program 1 times [2021-08-27 14:34:33,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:33,253 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600931384] [2021-08-27 14:34:33,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:33,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:33,256 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:34:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:33,259 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:34:33,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:33,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1242807987, now seen corresponding path program 2 times [2021-08-27 14:34:33,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:33,260 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020164404] [2021-08-27 14:34:33,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:33,260 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:33,274 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:34:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:33,284 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:34:33,970 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:34:33,970 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:34:33,970 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:34:33,970 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:34:33,970 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:34:33,970 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:33,970 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:34:33,970 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:34:33,970 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration2_Lasso [2021-08-27 14:34:33,970 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:34:33,970 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:34:33,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:33,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:33,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:33,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:33,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:33,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:33,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:33,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:33,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:33,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:33,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:33,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:34,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:34,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:34,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:34,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:34,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:34,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:34,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:34,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:34,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:34,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:34,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:34,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:34,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:34,351 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:34:34,351 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:34:34,351 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:34,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:34,352 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:34,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-08-27 14:34:34,357 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 [2021-08-27 14:34:34,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:34,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:34,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:34,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:34,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:34,365 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:34,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:34,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:34,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:34,401 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:34,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:34,409 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:34:34,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-08-27 14:34:34,411 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:34,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:34,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:34,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:34,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:34,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:34,418 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:34,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:34,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:34,442 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:34,442 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:34,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:34,443 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) [2021-08-27 14:34:34,443 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 [2021-08-27 14:34:34,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:34,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:34,452 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:34,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:34,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:34,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:34,452 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:34,452 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:34,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:34,468 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 [2021-08-27 14:34:34,468 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:34,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:34,469 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) [2021-08-27 14:34:34,469 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 [2021-08-27 14:34:34,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:34,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:34,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:34,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:34,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:34,480 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:34:34,480 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:34:34,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:34,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:34,507 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:34,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:34,509 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) [2021-08-27 14:34:34,509 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 [2021-08-27 14:34:34,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:34,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:34,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:34,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:34,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:34,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:34,543 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:34,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:34,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:34,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:34,561 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:34,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:34,561 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) [2021-08-27 14:34:34,562 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 [2021-08-27 14:34:34,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:34,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:34,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:34,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:34,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:34,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:34,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:34,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:34,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:34,586 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 [2021-08-27 14:34:34,587 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:34,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:34,588 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) [2021-08-27 14:34:34,589 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 [2021-08-27 14:34:34,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:34,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:34,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:34,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:34,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:34,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:34,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:34,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:34,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:34,614 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 [2021-08-27 14:34:34,614 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:34,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:34,615 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) [2021-08-27 14:34:34,616 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 [2021-08-27 14:34:34,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:34,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:34,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:34,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:34,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:34,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:34,623 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:34,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:34,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:34,639 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 [2021-08-27 14:34:34,639 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:34,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:34,640 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) [2021-08-27 14:34:34,641 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 [2021-08-27 14:34:34,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:34,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:34,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:34,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:34,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:34,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:34,649 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:34,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:34,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:34,664 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 [2021-08-27 14:34:34,664 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:34,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:34,665 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) [2021-08-27 14:34:34,666 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 [2021-08-27 14:34:34,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:34,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:34,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:34,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:34,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:34,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:34:34,675 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:34:34,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:34,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-08-27 14:34:34,695 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:34,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:34,695 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) [2021-08-27 14:34:34,696 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 [2021-08-27 14:34:34,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:34,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:34,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:34,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:34,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:34,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:34,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:34,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:34,705 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:34,719 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 [2021-08-27 14:34:34,719 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:34,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:34,720 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) [2021-08-27 14:34:34,721 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 [2021-08-27 14:34:34,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:34,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:34,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:34,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:34,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:34,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:34,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:34,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:34,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:34,745 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 [2021-08-27 14:34:34,745 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:34,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:34,746 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) [2021-08-27 14:34:34,746 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 [2021-08-27 14:34:34,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:34,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:34,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:34,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:34,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:34,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:34,754 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:34,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:34,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:34,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-08-27 14:34:34,770 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:34,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:34,770 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) [2021-08-27 14:34:34,771 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 [2021-08-27 14:34:34,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:34,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:34,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:34,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:34,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:34,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:34,779 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:34,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:34,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:34,794 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-08-27 14:34:34,795 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:34,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:34,795 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) [2021-08-27 14:34:34,796 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 [2021-08-27 14:34:34,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:34,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:34,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:34,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:34,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:34,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:34,804 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:34,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:34,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:34,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-08-27 14:34:34,826 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:34,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:34,827 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) [2021-08-27 14:34:34,828 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 [2021-08-27 14:34:34,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:34,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:34,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:34,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:34,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:34,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:34,835 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:34,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:34,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:34,851 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 [2021-08-27 14:34:34,851 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:34,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:34,852 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) [2021-08-27 14:34:34,859 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 [2021-08-27 14:34:34,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:34,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:34,866 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-08-27 14:34:34,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:34,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:34,869 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-08-27 14:34:34,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:34:34,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:34,888 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 [2021-08-27 14:34:34,888 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:34,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:34,890 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) [2021-08-27 14:34:34,890 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 [2021-08-27 14:34:34,892 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 [2021-08-27 14:34:34,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:34,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:34,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:34,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:34,904 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:34:34,904 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:34:34,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:34,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:34,924 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:34,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:34,924 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) [2021-08-27 14:34:34,925 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 [2021-08-27 14:34:34,926 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 [2021-08-27 14:34:34,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:34,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:34,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:34,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:34,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:34:34,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:34:34,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:34,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:34,953 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:34,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:34,953 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) [2021-08-27 14:34:34,954 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 [2021-08-27 14:34:34,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:34,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:34,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:34,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:34,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:34,965 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:34:34,965 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:34:34,983 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 14:34:34,995 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2021-08-27 14:34:34,995 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-08-27 14:34:34,995 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:34,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:34,997 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) [2021-08-27 14:34:35,005 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 14:34:35,013 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 [2021-08-27 14:34:35,025 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 14:34:35,025 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 14:34:35,025 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~p.base) 0)_1) = 2*v_rep(select (select #memory_int rec_#in~p.base) 0)_1 + 1 Supporting invariants [] [2021-08-27 14:34:35,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:35,045 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-08-27 14:34:35,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:34:35,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-27 14:34:35,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:34:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:34:35,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-27 14:34:35,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:34:35,208 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-27 14:34:35,209 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 1 case distinctions, treesize of input 36 treesize of output 32 [2021-08-27 14:34:35,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:35,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:34:35,254 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 3 loop predicates [2021-08-27 14:34:35,254 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 38 transitions. cyclomatic complexity: 10 Second operand has 7 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:34:35,360 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 38 transitions. cyclomatic complexity: 10. Second operand has 7 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 47 states and 56 transitions. Complement of second has 19 states. [2021-08-27 14:34:35,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 3 non-accepting loop states 1 accepting loop states [2021-08-27 14:34:35,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:34:35,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 17 transitions. [2021-08-27 14:34:35,365 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 7 letters. Loop has 3 letters. [2021-08-27 14:34:35,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:34:35,365 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 10 letters. Loop has 3 letters. [2021-08-27 14:34:35,366 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:34:35,366 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 7 letters. Loop has 6 letters. [2021-08-27 14:34:35,366 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:34:35,366 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 56 transitions. [2021-08-27 14:34:35,367 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-08-27 14:34:35,368 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 41 states and 50 transitions. [2021-08-27 14:34:35,368 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-08-27 14:34:35,369 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2021-08-27 14:34:35,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 50 transitions. [2021-08-27 14:34:35,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 14:34:35,369 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 50 transitions. [2021-08-27 14:34:35,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 50 transitions. [2021-08-27 14:34:35,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2021-08-27 14:34:35,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 28 states have internal predecessors, (32), 6 states have call successors, (6), 5 states have call predecessors, (6), 6 states have return successors, (8), 5 states have call predecessors, (8), 6 states have call successors, (8) [2021-08-27 14:34:35,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2021-08-27 14:34:35,372 INFO L704 BuchiCegarLoop]: Abstraction has 39 states and 46 transitions. [2021-08-27 14:34:35,373 INFO L587 BuchiCegarLoop]: Abstraction has 39 states and 46 transitions. [2021-08-27 14:34:35,373 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-27 14:34:35,373 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 46 transitions. [2021-08-27 14:34:35,373 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-08-27 14:34:35,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:34:35,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:34:35,374 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:34:35,374 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:34:35,374 INFO L791 eck$LassoCheckResult]: Stem: 322#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 323#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet8, main_#t~ret9, main_~op~0.base, main_~op~0.offset, main_~i~0;main_~i~0 := main_#t~nondet6;havoc main_#t~nondet6; 346#L20-2 assume !!(main_~i~0 > 0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4);main_~op~0.base, main_~op~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset;call write~int(main_#t~nondet8, main_~op~0.base, main_~op~0.offset, 4);havoc main_#t~nondet8; 335#L23 call main_#t~ret9 := rec(main_~op~0.base, main_~op~0.offset);< 354#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 355#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 328#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 336#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 337#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 360#recFINAL assume true; 341#recEXIT >#28#return; 342#L15-1 #res := #t~ret5;havoc #t~ret5; 356#recFINAL assume true; 350#recEXIT >#30#return; 345#L23-1 [2021-08-27 14:34:35,375 INFO L793 eck$LassoCheckResult]: Loop: 345#L23-1 main_~i~0 := main_~i~0 + main_#t~ret9;havoc main_#t~ret9; 331#L20-2 assume !!(main_~i~0 > 0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4);main_~op~0.base, main_~op~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset;call write~int(main_#t~nondet8, main_~op~0.base, main_~op~0.offset, 4);havoc main_#t~nondet8; 332#L23 call main_#t~ret9 := rec(main_~op~0.base, main_~op~0.offset);< 339#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 351#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 353#recFINAL assume true; 357#recEXIT >#30#return; 345#L23-1 [2021-08-27 14:34:35,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:35,375 INFO L82 PathProgramCache]: Analyzing trace with hash 1969157627, now seen corresponding path program 1 times [2021-08-27 14:34:35,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:35,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531772791] [2021-08-27 14:34:35,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:35,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:35,392 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:34:35,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:35,403 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:34:35,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:35,404 INFO L82 PathProgramCache]: Analyzing trace with hash -523709736, now seen corresponding path program 2 times [2021-08-27 14:34:35,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:35,404 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163397008] [2021-08-27 14:34:35,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:35,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:35,421 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:34:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:35,431 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:34:35,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:35,431 INFO L82 PathProgramCache]: Analyzing trace with hash 931270558, now seen corresponding path program 1 times [2021-08-27 14:34:35,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:35,431 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852279239] [2021-08-27 14:34:35,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:35,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:35,458 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:34:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:35,476 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:34:36,355 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:34:36,355 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:34:36,355 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:34:36,355 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:34:36,355 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:34:36,355 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:36,356 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:34:36,356 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:34:36,356 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration3_Lasso [2021-08-27 14:34:36,356 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:34:36,356 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:34:36,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:36,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:36,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:36,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:36,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:36,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:36,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:36,596 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:34:36,596 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:34:36,596 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:36,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:36,599 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) [2021-08-27 14:34:36,603 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 [2021-08-27 14:34:36,604 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:36,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:36,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:36,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:36,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:36,622 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:34:36,622 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:34:36,640 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 14:34:36,654 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-08-27 14:34:36,654 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-08-27 14:34:36,654 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:36,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:36,655 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) [2021-08-27 14:34:36,656 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 [2021-08-27 14:34:36,657 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 14:34:36,666 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-08-27 14:34:36,666 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 14:34:36,667 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~op~0.base) ULTIMATE.start_main_~op~0.offset)_2, ULTIMATE.start_main_~i~0) = 2*v_rep(select (select #memory_int ULTIMATE.start_main_~op~0.base) ULTIMATE.start_main_~op~0.offset)_2 + 3*ULTIMATE.start_main_~i~0 Supporting invariants [2*v_rep(select (select #memory_int ULTIMATE.start_main_~op~0.base) ULTIMATE.start_main_~op~0.offset)_2 - 3*ULTIMATE.start_main_#t~ret9 >= 0] [2021-08-27 14:34:36,684 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 [2021-08-27 14:34:36,687 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-08-27 14:34:36,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:36,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:34:36,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 28 conjunts are in the unsatisfiable core [2021-08-27 14:34:36,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:34:36,899 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 25 treesize of output 13 [2021-08-27 14:34:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:34:37,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 25 conjunts are in the unsatisfiable core [2021-08-27 14:34:37,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:34:37,420 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-08-27 14:34:37,421 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 1 case distinctions, treesize of input 35 treesize of output 38 [2021-08-27 14:34:37,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:34:37,603 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.10 stem predicates 6 loop predicates [2021-08-27 14:34:37,603 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 46 transitions. cyclomatic complexity: 11 Second operand has 16 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 11 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-08-27 14:34:50,124 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 46 transitions. cyclomatic complexity: 11. Second operand has 16 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 11 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Result 87 states and 101 transitions. Complement of second has 29 states. [2021-08-27 14:34:50,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 16 states 9 stem states 5 non-accepting loop states 2 accepting loop states [2021-08-27 14:34:50,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 11 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-08-27 14:34:50,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 26 transitions. [2021-08-27 14:34:50,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 26 transitions. Stem has 14 letters. Loop has 7 letters. [2021-08-27 14:34:50,125 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:34:50,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 26 transitions. Stem has 21 letters. Loop has 7 letters. [2021-08-27 14:34:50,126 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:34:50,126 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 26 transitions. Stem has 14 letters. Loop has 14 letters. [2021-08-27 14:34:50,126 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:34:50,126 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 87 states and 101 transitions. [2021-08-27 14:34:50,127 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-08-27 14:34:50,128 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 87 states to 85 states and 99 transitions. [2021-08-27 14:34:50,129 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2021-08-27 14:34:50,129 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2021-08-27 14:34:50,129 INFO L73 IsDeterministic]: Start isDeterministic. Operand 85 states and 99 transitions. [2021-08-27 14:34:50,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 14:34:50,129 INFO L681 BuchiCegarLoop]: Abstraction has 85 states and 99 transitions. [2021-08-27 14:34:50,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states and 99 transitions. [2021-08-27 14:34:50,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 74. [2021-08-27 14:34:50,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 51 states have (on average 1.1764705882352942) internal successors, (60), 53 states have internal predecessors, (60), 11 states have call successors, (11), 10 states have call predecessors, (11), 12 states have return successors, (16), 10 states have call predecessors, (16), 11 states have call successors, (16) [2021-08-27 14:34:50,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 87 transitions. [2021-08-27 14:34:50,133 INFO L704 BuchiCegarLoop]: Abstraction has 74 states and 87 transitions. [2021-08-27 14:34:50,134 INFO L587 BuchiCegarLoop]: Abstraction has 74 states and 87 transitions. [2021-08-27 14:34:50,134 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-27 14:34:50,134 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states and 87 transitions. [2021-08-27 14:34:50,135 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-08-27 14:34:50,135 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:34:50,135 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:34:50,135 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:34:50,135 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 14:34:50,136 INFO L791 eck$LassoCheckResult]: Stem: 605#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 606#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet8, main_#t~ret9, main_~op~0.base, main_~op~0.offset, main_~i~0;main_~i~0 := main_#t~nondet6;havoc main_#t~nondet6; 629#L20-2 assume !!(main_~i~0 > 0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4);main_~op~0.base, main_~op~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset;call write~int(main_#t~nondet8, main_~op~0.base, main_~op~0.offset, 4);havoc main_#t~nondet8; 640#L23 call main_#t~ret9 := rec(main_~op~0.base, main_~op~0.offset);< 641#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 647#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 637#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 645#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 648#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 646#recFINAL assume true; 644#recEXIT >#28#return; 643#L15-1 #res := #t~ret5;havoc #t~ret5; 642#recFINAL assume true; 639#recEXIT >#30#return; 638#L23-1 main_~i~0 := main_~i~0 + main_#t~ret9;havoc main_#t~ret9; 616#L20-2 assume !!(main_~i~0 > 0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4);main_~op~0.base, main_~op~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset;call write~int(main_#t~nondet8, main_~op~0.base, main_~op~0.offset, 4);havoc main_#t~nondet8; 617#L23 call main_#t~ret9 := rec(main_~op~0.base, main_~op~0.offset);< 620#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 621#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 631#L15 [2021-08-27 14:34:50,136 INFO L793 eck$LassoCheckResult]: Loop: 631#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 633#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 669#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 631#L15 [2021-08-27 14:34:50,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:50,136 INFO L82 PathProgramCache]: Analyzing trace with hash -164393880, now seen corresponding path program 2 times [2021-08-27 14:34:50,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:50,136 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348246612] [2021-08-27 14:34:50,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:50,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:50,147 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:34:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:50,157 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:34:50,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:50,158 INFO L82 PathProgramCache]: Analyzing trace with hash 55742, now seen corresponding path program 2 times [2021-08-27 14:34:50,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:50,158 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379895128] [2021-08-27 14:34:50,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:50,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:50,161 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:34:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:50,163 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:34:50,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:50,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1195335689, now seen corresponding path program 3 times [2021-08-27 14:34:50,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:50,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532013608] [2021-08-27 14:34:50,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:50,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:50,188 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:34:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:50,204 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:34:51,847 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:34:51,847 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:34:51,847 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:34:51,847 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:34:51,847 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:34:51,847 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:51,847 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:34:51,847 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:34:51,847 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration4_Lasso [2021-08-27 14:34:51,847 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:34:51,847 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:34:51,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:51,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:51,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:51,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:51,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:51,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:51,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:51,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:51,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:51,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:51,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:51,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:51,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:51,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:51,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:51,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:51,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:52,647 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:34:52,647 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:34:52,647 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:52,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:52,648 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) [2021-08-27 14:34:52,649 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 [2021-08-27 14:34:52,651 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 [2021-08-27 14:34:52,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:52,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:52,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:52,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:52,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:52,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:52,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:52,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:52,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:52,680 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:52,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:52,681 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) [2021-08-27 14:34:52,681 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 [2021-08-27 14:34:52,682 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:52,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:52,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:52,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:52,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:52,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:52,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:52,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:52,690 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:52,705 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 [2021-08-27 14:34:52,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:52,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:52,706 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) [2021-08-27 14:34:52,706 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 [2021-08-27 14:34:52,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:52,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:52,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:52,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:52,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:52,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:52,714 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:52,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:52,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:52,731 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 [2021-08-27 14:34:52,731 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:52,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:52,732 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) [2021-08-27 14:34:52,733 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 [2021-08-27 14:34:52,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:52,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:52,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:52,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:52,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:52,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:52,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:52,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:52,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:52,764 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 [2021-08-27 14:34:52,765 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:52,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:52,765 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) [2021-08-27 14:34:52,766 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 [2021-08-27 14:34:52,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:52,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:52,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:52,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:52,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:52,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:34:52,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:34:52,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:52,795 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 [2021-08-27 14:34:52,795 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:52,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:52,796 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) [2021-08-27 14:34:52,797 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 [2021-08-27 14:34:52,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:52,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:52,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:52,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:52,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:52,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:52,804 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:52,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:52,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:52,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-08-27 14:34:52,823 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:52,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:52,824 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) [2021-08-27 14:34:52,824 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 [2021-08-27 14:34:52,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:52,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:52,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:52,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:52,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:52,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:52,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:52,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:52,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:52,852 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-08-27 14:34:52,853 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:52,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:52,853 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) [2021-08-27 14:34:52,854 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 [2021-08-27 14:34:52,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:52,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:52,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:52,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:52,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:52,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:52,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:52,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:52,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:52,878 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 [2021-08-27 14:34:52,878 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:52,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:52,879 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) [2021-08-27 14:34:52,879 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 [2021-08-27 14:34:52,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:52,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:52,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:52,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:52,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:52,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:52,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:52,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:52,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:52,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-08-27 14:34:52,903 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:52,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:52,904 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) [2021-08-27 14:34:52,906 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 [2021-08-27 14:34:52,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:52,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:52,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:52,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:52,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:52,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:52,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:52,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:52,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:52,929 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-08-27 14:34:52,930 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:52,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:52,930 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) [2021-08-27 14:34:52,931 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 [2021-08-27 14:34:52,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:52,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:52,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:52,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:52,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:52,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:52,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:52,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:52,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:52,972 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-08-27 14:34:52,976 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:52,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:52,977 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) [2021-08-27 14:34:53,001 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 [2021-08-27 14:34:53,009 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 [2021-08-27 14:34:53,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:53,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:53,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:53,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:53,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:53,019 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:53,019 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:53,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:53,044 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 [2021-08-27 14:34:53,044 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:53,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:53,044 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) [2021-08-27 14:34:53,045 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 [2021-08-27 14:34:53,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:53,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:53,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:53,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:53,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:53,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:53,053 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:53,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:53,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:53,069 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 [2021-08-27 14:34:53,069 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:53,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:53,070 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) [2021-08-27 14:34:53,070 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 [2021-08-27 14:34:53,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:53,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:53,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:53,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:53,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:53,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:53,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:53,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:53,086 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:53,101 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-08-27 14:34:53,101 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:53,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:53,101 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) [2021-08-27 14:34:53,102 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 [2021-08-27 14:34:53,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:53,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:53,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:53,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:53,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:53,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:53,110 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:53,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:53,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:53,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:53,129 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:53,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:53,130 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) [2021-08-27 14:34:53,131 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 [2021-08-27 14:34:53,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:53,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:53,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:53,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:53,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:53,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:34:53,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:34:53,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:53,158 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 [2021-08-27 14:34:53,158 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:53,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:53,159 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) [2021-08-27 14:34:53,159 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 [2021-08-27 14:34:53,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:53,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:53,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:53,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:53,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:53,178 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:34:53,178 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:34:53,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:53,213 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 [2021-08-27 14:34:53,213 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:53,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:53,215 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) [2021-08-27 14:34:53,216 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 [2021-08-27 14:34:53,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:53,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:53,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:53,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:53,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:53,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:34:53,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:34:53,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:53,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:53,272 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:53,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:53,278 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) [2021-08-27 14:34:53,279 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 [2021-08-27 14:34:53,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:53,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:53,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:53,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:53,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:53,293 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:34:53,293 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:34:53,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:53,313 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 [2021-08-27 14:34:53,313 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:53,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:53,314 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) [2021-08-27 14:34:53,314 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 [2021-08-27 14:34:53,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:53,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:53,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:53,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:53,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:53,327 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:34:53,327 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:34:53,345 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 14:34:53,358 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-08-27 14:34:53,358 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2021-08-27 14:34:53,359 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:53,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:53,360 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) [2021-08-27 14:34:53,360 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 [2021-08-27 14:34:53,361 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 14:34:53,370 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 14:34:53,370 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 14:34:53,370 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_~p.base) rec_~p.offset)_1) = 2*v_rep(select (select #memory_int rec_~p.base) rec_~p.offset)_1 + 1 Supporting invariants [] [2021-08-27 14:34:53,385 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 [2021-08-27 14:34:53,390 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-08-27 14:34:53,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:53,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:34:53,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-27 14:34:53,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:34:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:34:53,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-27 14:34:53,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:34:53,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:34:53,665 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-08-27 14:34:53,665 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 19 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-08-27 14:34:53,742 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 19. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 113 states and 130 transitions. Complement of second has 15 states. [2021-08-27 14:34:53,742 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 [2021-08-27 14:34:53,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-08-27 14:34:53,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 18 transitions. [2021-08-27 14:34:53,748 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 18 transitions. Stem has 19 letters. Loop has 3 letters. [2021-08-27 14:34:53,748 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:34:53,748 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-27 14:34:53,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:34:53,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-27 14:34:53,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:34:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:34:53,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-27 14:34:53,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:34:53,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:34:53,990 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2021-08-27 14:34:53,990 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 19 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-08-27 14:34:54,053 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 19. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 113 states and 130 transitions. Complement of second has 15 states. [2021-08-27 14:34:54,054 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 [2021-08-27 14:34:54,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-08-27 14:34:54,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 18 transitions. [2021-08-27 14:34:54,055 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 18 transitions. Stem has 19 letters. Loop has 3 letters. [2021-08-27 14:34:54,055 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:34:54,055 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-27 14:34:54,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:34:54,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-27 14:34:54,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:34:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:34:54,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-27 14:34:54,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:34:54,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:34:54,325 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-08-27 14:34:54,325 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 19 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-08-27 14:34:54,409 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 87 transitions. cyclomatic complexity: 19. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 137 states and 159 transitions. Complement of second has 15 states. [2021-08-27 14:34:54,409 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 [2021-08-27 14:34:54,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-08-27 14:34:54,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 22 transitions. [2021-08-27 14:34:54,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 19 letters. Loop has 3 letters. [2021-08-27 14:34:54,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:34:54,411 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 22 letters. Loop has 3 letters. [2021-08-27 14:34:54,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:34:54,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 19 letters. Loop has 6 letters. [2021-08-27 14:34:54,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:34:54,413 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 137 states and 159 transitions. [2021-08-27 14:34:54,421 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-27 14:34:54,428 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 137 states to 103 states and 123 transitions. [2021-08-27 14:34:54,428 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 73 [2021-08-27 14:34:54,429 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 78 [2021-08-27 14:34:54,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 103 states and 123 transitions. [2021-08-27 14:34:54,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 14:34:54,430 INFO L681 BuchiCegarLoop]: Abstraction has 103 states and 123 transitions. [2021-08-27 14:34:54,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states and 123 transitions. [2021-08-27 14:34:54,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 84. [2021-08-27 14:34:54,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 59 states have (on average 1.0847457627118644) internal successors, (64), 58 states have internal predecessors, (64), 12 states have call successors, (18), 14 states have call predecessors, (18), 13 states have return successors, (17), 11 states have call predecessors, (17), 12 states have call successors, (17) [2021-08-27 14:34:54,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 99 transitions. [2021-08-27 14:34:54,443 INFO L704 BuchiCegarLoop]: Abstraction has 84 states and 99 transitions. [2021-08-27 14:34:54,443 INFO L587 BuchiCegarLoop]: Abstraction has 84 states and 99 transitions. [2021-08-27 14:34:54,443 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-27 14:34:54,443 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states and 99 transitions. [2021-08-27 14:34:54,444 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-27 14:34:54,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:34:54,445 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:34:54,446 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-08-27 14:34:54,447 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 14:34:54,447 INFO L791 eck$LassoCheckResult]: Stem: 1342#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1343#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet8, main_#t~ret9, main_~op~0.base, main_~op~0.offset, main_~i~0;main_~i~0 := main_#t~nondet6;havoc main_#t~nondet6; 1368#L20-2 assume !!(main_~i~0 > 0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4);main_~op~0.base, main_~op~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset;call write~int(main_#t~nondet8, main_~op~0.base, main_~op~0.offset, 4);havoc main_#t~nondet8; 1378#L23 call main_#t~ret9 := rec(main_~op~0.base, main_~op~0.offset);< 1379#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1394#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 1387#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 1389#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1406#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 1391#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 1405#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1409#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 1408#recFINAL assume true; 1407#recEXIT >#28#return; 1392#L15-1 #res := #t~ret5;havoc #t~ret5; 1404#recFINAL assume true; 1390#recEXIT >#28#return; 1385#L15-1 #res := #t~ret5;havoc #t~ret5; 1383#recFINAL assume true; 1380#recEXIT >#30#return; 1366#L23-1 [2021-08-27 14:34:54,447 INFO L793 eck$LassoCheckResult]: Loop: 1366#L23-1 main_~i~0 := main_~i~0 + main_#t~ret9;havoc main_#t~ret9; 1367#L20-2 assume !!(main_~i~0 > 0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(4);main_~op~0.base, main_~op~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset;call write~int(main_#t~nondet8, main_~op~0.base, main_~op~0.offset, 4);havoc main_#t~nondet8; 1372#L23 call main_#t~ret9 := rec(main_~op~0.base, main_~op~0.offset);< 1415#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1413#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~mem3 := read~int(~p.base, ~p.offset, 4);#t~post4 := #t~mem3;call write~int(#t~post4 - 1, ~p.base, ~p.offset, 4);havoc #t~mem3;havoc #t~post4; 1349#L15 call #t~ret5 := rec(~p.base, ~p.offset);< 1373#recENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;call #t~mem1 := read~int(~p.base, ~p.offset, 4); 1410#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~p.base, ~p.offset, 4);~pv~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~p.base, ~p.offset);#res := ~pv~0; 1369#recFINAL assume true; 1370#recEXIT >#28#return; 1414#L15-1 #res := #t~ret5;havoc #t~ret5; 1411#recFINAL assume true; 1412#recEXIT >#30#return; 1366#L23-1 [2021-08-27 14:34:54,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:54,447 INFO L82 PathProgramCache]: Analyzing trace with hash -2132192921, now seen corresponding path program 2 times [2021-08-27 14:34:54,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:54,448 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600189061] [2021-08-27 14:34:54,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:54,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:54,468 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:34:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:54,483 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:34:54,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:54,486 INFO L82 PathProgramCache]: Analyzing trace with hash 773083116, now seen corresponding path program 1 times [2021-08-27 14:34:54,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:54,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439553663] [2021-08-27 14:34:54,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:54,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:54,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:54,493 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:34:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:54,498 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:34:54,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:54,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1526002758, now seen corresponding path program 4 times [2021-08-27 14:34:54,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:34:54,499 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397168886] [2021-08-27 14:34:54,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:34:54,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:34:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:54,520 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:34:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:34:54,539 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:34:55,864 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:34:55,864 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:34:55,864 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:34:55,864 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:34:55,864 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:34:55,865 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:55,865 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:34:55,865 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:34:55,865 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex3.i_Iteration5_Lasso [2021-08-27 14:34:55,865 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:34:55,865 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:34:55,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:55,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:34:56,084 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:34:56,084 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:34:56,084 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,085 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) [2021-08-27 14:34:56,086 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 [2021-08-27 14:34:56,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:34:56,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:34:56,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:34:56,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,111 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 [2021-08-27 14:34:56,112 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,113 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) [2021-08-27 14:34:56,120 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 [2021-08-27 14:34:56,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,128 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:34:56,128 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:34:56,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:56,147 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,148 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) [2021-08-27 14:34:56,148 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 [2021-08-27 14:34:56,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,157 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:34:56,157 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:34:56,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:34:56,182 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 [2021-08-27 14:34:56,182 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,183 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) [2021-08-27 14:34:56,183 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 [2021-08-27 14:34:56,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:34:56,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:34:56,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:34:56,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:34:56,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:34:56,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:34:56,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:34:56,200 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 14:34:56,206 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-08-27 14:34:56,206 INFO L444 ModelExtractionUtils]: 10 out of 16 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-08-27 14:34:56,206 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:34:56,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:34:56,208 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) [2021-08-27 14:34:56,209 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 [2021-08-27 14:34:56,209 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 14:34:56,216 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 14:34:56,216 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 14:34:56,216 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_#t~ret9, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_#t~ret9 + 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-08-27 14:34:56,232 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:56,234 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-08-27 14:34:56,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:34:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:34:56,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-27 14:34:56,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:34:56,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-08-27 14:34:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:34:56,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjunts are in the unsatisfiable core [2021-08-27 14:34:56,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:34:56,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15 treesize of output 7 [2021-08-27 14:34:56,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-27 14:34:56,655 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 7 loop predicates [2021-08-27 14:34:56,655 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 84 states and 99 transitions. cyclomatic complexity: 21 Second operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2021-08-27 14:34:56,729 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 84 states and 99 transitions. cyclomatic complexity: 21. Second operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Result 143 states and 169 transitions. Complement of second has 24 states. [2021-08-27 14:34:56,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 2 stem states 6 non-accepting loop states 1 accepting loop states [2021-08-27 14:34:56,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2021-08-27 14:34:56,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 23 transitions. [2021-08-27 14:34:56,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 23 transitions. Stem has 20 letters. Loop has 13 letters. [2021-08-27 14:34:56,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:34:56,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 23 transitions. Stem has 33 letters. Loop has 13 letters. [2021-08-27 14:34:56,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:34:56,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 23 transitions. Stem has 20 letters. Loop has 26 letters. [2021-08-27 14:34:56,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:34:56,733 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 143 states and 169 transitions. [2021-08-27 14:34:56,734 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 14:34:56,734 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 143 states to 0 states and 0 transitions. [2021-08-27 14:34:56,734 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 14:34:56,734 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 14:34:56,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 14:34:56,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 14:34:56,735 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:34:56,735 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:34:56,735 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 14:34:56,735 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-08-27 14:34:56,735 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 14:34:56,735 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 14:34:56,735 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 14:34:56,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 02:34:56 BoogieIcfgContainer [2021-08-27 14:34:56,739 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 14:34:56,739 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 14:34:56,739 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 14:34:56,739 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 14:34:56,740 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:34:31" (3/4) ... [2021-08-27 14:34:56,741 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 14:34:56,741 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 14:34:56,742 INFO L168 Benchmark]: Toolchain (without parser) took 26183.39 ms. Allocated memory was 56.6 MB in the beginning and 146.8 MB in the end (delta: 90.2 MB). Free memory was 34.9 MB in the beginning and 71.3 MB in the end (delta: -36.3 MB). Peak memory consumption was 53.1 MB. Max. memory is 16.1 GB. [2021-08-27 14:34:56,742 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 56.6 MB. Free memory was 38.6 MB in the beginning and 38.6 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:34:56,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 151.44 ms. Allocated memory is still 56.6 MB. Free memory was 34.7 MB in the beginning and 25.8 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-27 14:34:56,743 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.57 ms. Allocated memory is still 56.6 MB. Free memory was 25.8 MB in the beginning and 40.4 MB in the end (delta: -14.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-08-27 14:34:56,743 INFO L168 Benchmark]: Boogie Preprocessor took 29.34 ms. Allocated memory is still 56.6 MB. Free memory was 40.4 MB in the beginning and 39.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 14:34:56,743 INFO L168 Benchmark]: RCFGBuilder took 242.43 ms. Allocated memory is still 56.6 MB. Free memory was 39.2 MB in the beginning and 27.5 MB in the end (delta: 11.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-27 14:34:56,743 INFO L168 Benchmark]: BuchiAutomizer took 25695.92 ms. Allocated memory was 56.6 MB in the beginning and 146.8 MB in the end (delta: 90.2 MB). Free memory was 27.3 MB in the beginning and 71.3 MB in the end (delta: -43.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 16.1 GB. [2021-08-27 14:34:56,743 INFO L168 Benchmark]: Witness Printer took 2.27 ms. Allocated memory is still 146.8 MB. Free memory is still 71.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:34:56,745 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 56.6 MB. Free memory was 38.6 MB in the beginning and 38.6 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 151.44 ms. Allocated memory is still 56.6 MB. Free memory was 34.7 MB in the beginning and 25.8 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.57 ms. Allocated memory is still 56.6 MB. Free memory was 25.8 MB in the beginning and 40.4 MB in the end (delta: -14.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.34 ms. Allocated memory is still 56.6 MB. Free memory was 40.4 MB in the beginning and 39.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 242.43 ms. Allocated memory is still 56.6 MB. Free memory was 39.2 MB in the beginning and 27.5 MB in the end (delta: 11.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 25695.92 ms. Allocated memory was 56.6 MB in the beginning and 146.8 MB in the end (delta: 90.2 MB). Free memory was 27.3 MB in the beginning and 71.3 MB in the end (delta: -43.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 16.1 GB. * Witness Printer took 2.27 ms. Allocated memory is still 146.8 MB. Free memory is still 71.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (0 trivial, 4 deterministic, 1 nondeterministic). One deterministic module has affine ranking function i and consists of 9 locations. One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[p][0] + 1 and consists of 8 locations. One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[op][op] + 3 * i and consists of 16 locations. One deterministic module has affine ranking function i + aux-rec(op)-aux and consists of 9 locations. One nondeterministic module has affine ranking function 2 * unknown-#memory_int-unknown[p][p] + 1 and consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 25.6s and 6 iterations. TraceHistogramMax:3. Analysis of lassos took 9.8s. Construction of modules took 12.2s. Büchi inclusion checks took 3.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 33.6ms AutomataMinimizationTime, 4 MinimizatonAttempts, 35 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 84 states and ocurred in iteration 4. Nontrivial modules had stage [4, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 4/4 HoareTripleCheckerStatistics: 84 SDtfs, 106 SDslu, 109 SDs, 0 SdLazy, 299 SolverSat, 101 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 12291.0ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital155 mio100 ax100 hnf100 lsp95 ukn61 mio100 lsp35 div100 bol100 ite100 ukn100 eq175 hnf90 smp96 dnf108 smp96 tf101 neg98 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-08-27 14:34:56,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...