./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/string-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/loops/string-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash b312eb4f8caa7cb61d3a06c0594e4f86d10948be 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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 15:18:16,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 15:18:16,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 15:18:16,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 15:18:16,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 15:18:16,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 15:18:16,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 15:18:16,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 15:18:16,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 15:18:17,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 15:18:17,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 15:18:17,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 15:18:17,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 15:18:17,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 15:18:17,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 15:18:17,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 15:18:17,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 15:18:17,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 15:18:17,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 15:18:17,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 15:18:17,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 15:18:17,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 15:18:17,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 15:18:17,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 15:18:17,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 15:18:17,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 15:18:17,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 15:18:17,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 15:18:17,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 15:18:17,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 15:18:17,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 15:18:17,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 15:18:17,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 15:18:17,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 15:18:17,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 15:18:17,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 15:18:17,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 15:18:17,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 15:18:17,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 15:18:17,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 15:18:17,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 15:18:17,035 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 15:18:17,063 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 15:18:17,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 15:18:17,064 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 15:18:17,064 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 15:18:17,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 15:18:17,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 15:18:17,066 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 15:18:17,067 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 15:18:17,067 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 15:18:17,067 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 15:18:17,067 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 15:18:17,068 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 15:18:17,068 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 15:18:17,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 15:18:17,068 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 15:18:17,068 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 15:18:17,068 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 15:18:17,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 15:18:17,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 15:18:17,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 15:18:17,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 15:18:17,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 15:18:17,069 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 15:18:17,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 15:18:17,069 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 15:18:17,070 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 15:18:17,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 15:18:17,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 15:18:17,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 15:18:17,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 15:18:17,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 15:18:17,071 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 15:18:17,071 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 15:18:17,071 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b312eb4f8caa7cb61d3a06c0594e4f86d10948be [2021-08-27 15:18:17,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 15:18:17,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 15:18:17,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 15:18:17,349 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 15:18:17,350 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 15:18:17,350 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/string-1.i [2021-08-27 15:18:17,417 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84adea89a/e818c0c2e2ba44d9b15a7637d8524783/FLAG0de3edcce [2021-08-27 15:18:17,745 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 15:18:17,746 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/string-1.i [2021-08-27 15:18:17,749 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84adea89a/e818c0c2e2ba44d9b15a7637d8524783/FLAG0de3edcce [2021-08-27 15:18:17,758 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84adea89a/e818c0c2e2ba44d9b15a7637d8524783 [2021-08-27 15:18:17,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 15:18:17,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 15:18:17,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 15:18:17,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 15:18:17,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 15:18:17,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:18:17" (1/1) ... [2021-08-27 15:18:17,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e897b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:18:17, skipping insertion in model container [2021-08-27 15:18:17,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:18:17" (1/1) ... [2021-08-27 15:18:17,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 15:18:17,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 15:18:17,883 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/string-1.i[896,909] [2021-08-27 15:18:17,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:18:17,923 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 15:18:17,945 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/string-1.i[896,909] [2021-08-27 15:18:17,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:18:17,974 INFO L208 MainTranslator]: Completed translation [2021-08-27 15:18:17,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:18:17 WrapperNode [2021-08-27 15:18:17,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 15:18:17,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 15:18:17,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 15:18:17,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 15:18:17,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:18:17" (1/1) ... [2021-08-27 15:18:17,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:18:17" (1/1) ... [2021-08-27 15:18:18,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 15:18:18,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 15:18:18,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 15:18:18,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 15:18:18,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:18:17" (1/1) ... [2021-08-27 15:18:18,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:18:17" (1/1) ... [2021-08-27 15:18:18,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:18:17" (1/1) ... [2021-08-27 15:18:18,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:18:17" (1/1) ... [2021-08-27 15:18:18,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:18:17" (1/1) ... [2021-08-27 15:18:18,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:18:17" (1/1) ... [2021-08-27 15:18:18,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:18:17" (1/1) ... [2021-08-27 15:18:18,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 15:18:18,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 15:18:18,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 15:18:18,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 15:18:18,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:18:17" (1/1) ... [2021-08-27 15:18:18,052 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:18,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:18,072 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 15:18:18,091 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 15:18:18,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 15:18:18,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 15:18:18,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-27 15:18:18,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 15:18:18,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 15:18:18,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-27 15:18:18,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 15:18:18,373 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 15:18:18,373 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-08-27 15:18:18,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:18:18 BoogieIcfgContainer [2021-08-27 15:18:18,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 15:18:18,375 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 15:18:18,375 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 15:18:18,377 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 15:18:18,378 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:18:18,378 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 03:18:17" (1/3) ... [2021-08-27 15:18:18,378 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66a9ff14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:18:18, skipping insertion in model container [2021-08-27 15:18:18,379 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:18:18,379 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:18:17" (2/3) ... [2021-08-27 15:18:18,379 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66a9ff14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:18:18, skipping insertion in model container [2021-08-27 15:18:18,379 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:18:18,379 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:18:18" (3/3) ... [2021-08-27 15:18:18,380 INFO L389 chiAutomizerObserver]: Analyzing ICFG string-1.i [2021-08-27 15:18:18,406 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 15:18:18,407 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 15:18:18,407 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 15:18:18,407 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 15:18:18,407 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 15:18:18,407 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 15:18:18,407 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 15:18:18,407 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 15:18:18,415 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.625) internal successors, (39), 24 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:18,429 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2021-08-27 15:18:18,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:18:18,430 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:18:18,433 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-27 15:18:18,433 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:18:18,433 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 15:18:18,434 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.625) internal successors, (39), 24 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:18,435 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2021-08-27 15:18:18,435 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:18:18,436 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:18:18,436 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-27 15:18:18,436 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:18:18,440 INFO L791 eck$LassoCheckResult]: Stem: 16#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 9#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 24#L33-3true [2021-08-27 15:18:18,440 INFO L793 eck$LassoCheckResult]: Loop: 24#L33-3true assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 18#L33-2true main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 24#L33-3true [2021-08-27 15:18:18,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:18,443 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-08-27 15:18:18,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:18,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165783389] [2021-08-27 15:18:18,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:18,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:18,518 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:18,554 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:18,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:18,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-08-27 15:18:18,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:18,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270515814] [2021-08-27 15:18:18,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:18,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:18,571 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:18,576 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:18,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:18,580 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-08-27 15:18:18,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:18,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900277194] [2021-08-27 15:18:18,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:18,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:18,612 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:18,639 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:19,221 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:18:19,221 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:18:19,222 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:18:19,222 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:18:19,222 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:18:19,222 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:19,222 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:18:19,222 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:18:19,222 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration1_Lasso [2021-08-27 15:18:19,222 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:18:19,222 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:18:19,233 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 15:18:19,238 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 15:18:19,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:18:19,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:18:19,248 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 15:18:19,251 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 15:18:19,259 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 15:18:19,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:18:19,267 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 15:18:19,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:18:19,275 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 15:18:19,278 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 15:18:19,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:18:19,285 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 15:18:19,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:18:19,292 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 15:18:19,471 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 15:18:19,474 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 15:18:19,477 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 15:18:19,480 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 15:18:19,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:18:19,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:18:19,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:18:19,749 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:18:19,752 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:18:19,753 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:19,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:19,754 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 15:18:19,758 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 15:18:19,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:19,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:19,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:19,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:19,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:19,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:19,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:19,769 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 15:18:19,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:19,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:19,799 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:19,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:19,800 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 15:18:19,801 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 15:18:19,803 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 15:18:19,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:19,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:19,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:19,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:19,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:19,810 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:19,810 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:19,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:19,842 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 15:18:19,843 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:19,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:19,844 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 15:18:19,845 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 15:18:19,846 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 15:18:19,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:19,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:19,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:19,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:19,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:19,853 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:19,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:19,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:19,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:19,886 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:19,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:19,887 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 15:18:19,888 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 15:18:19,889 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 15:18:19,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:19,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:19,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:19,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:19,898 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:19,898 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:19,905 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:19,921 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 15:18:19,922 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:19,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:19,922 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 15:18:19,924 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 15:18:19,925 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 15:18:19,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:19,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:19,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:19,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:19,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:19,932 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:19,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:19,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:19,963 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 15:18:19,963 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:19,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:19,964 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 15:18:19,965 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 15:18:19,966 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 15:18:19,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:19,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:19,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:19,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:19,974 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:19,974 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:19,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:19,997 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 15:18:19,997 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:19,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:19,998 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 15:18:19,998 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 15:18:19,999 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 15:18:20,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:20,007 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:20,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:20,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:20,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:20,008 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:20,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:20,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:20,035 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 15:18:20,035 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:20,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:20,037 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 15:18:20,038 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 15:18:20,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:18:20,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:20,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:20,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:20,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:20,048 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:20,048 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:20,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:20,082 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 15:18:20,082 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:20,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:20,083 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 15:18:20,084 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 15:18:20,085 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 15:18:20,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:20,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:20,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:20,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:20,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:20,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:20,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:20,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:20,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-08-27 15:18:20,115 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:20,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:20,116 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 15:18:20,117 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 15:18:20,118 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 15:18:20,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:20,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:20,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:20,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:20,127 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:20,127 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:20,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:20,174 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-08-27 15:18:20,175 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:20,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:20,176 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 15:18:20,176 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 15:18:20,178 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 15:18:20,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:20,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:20,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:20,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:20,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:20,187 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:20,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:20,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:20,205 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 15:18:20,205 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:20,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:20,206 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 15:18:20,206 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 15:18:20,208 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 15:18:20,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:20,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:20,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:20,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:20,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:20,214 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:20,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:20,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:20,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-08-27 15:18:20,231 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:20,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:20,232 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 15:18:20,233 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 15:18:20,235 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 15:18:20,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:20,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:20,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:20,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:20,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:20,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:20,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:20,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:20,296 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 15:18:20,296 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:20,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:20,297 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 15:18:20,299 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 15:18:20,300 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 15:18:20,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:20,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:20,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:20,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:20,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:20,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:20,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:20,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:20,342 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 15:18:20,344 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:20,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:20,345 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 15:18:20,347 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 15:18:20,348 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 15:18:20,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:20,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:20,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:20,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:20,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:20,356 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:20,357 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:20,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:20,389 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 15:18:20,389 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:20,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:20,391 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 15:18:20,392 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 15:18:20,394 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 15:18:20,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:20,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:20,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:20,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:20,404 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:20,404 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:20,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:20,431 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 15:18:20,431 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:20,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:20,432 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 15:18:20,433 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 15:18:20,434 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 15:18:20,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:20,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:20,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:20,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:20,453 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:20,453 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:20,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:20,492 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 15:18:20,492 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:20,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:20,494 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 15:18:20,495 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 15:18:20,496 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 15:18:20,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:20,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:20,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:20,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:20,505 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:20,505 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:20,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:20,539 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-08-27 15:18:20,540 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:20,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:20,541 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 15:18:20,546 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 15:18:20,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:20,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:20,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:20,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:20,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:20,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:20,558 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 15:18:20,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:20,583 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 15:18:20,583 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:20,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:20,584 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 15:18:20,590 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 15:18:20,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:20,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:20,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:20,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:20,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:20,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:20,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:20,600 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 15:18:20,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:20,626 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 15:18:20,626 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:20,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:20,627 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 15:18:20,628 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 15:18:20,629 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 15:18:20,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:20,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:20,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:20,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:20,638 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:20,638 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:20,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:20,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:20,671 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:20,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:20,671 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 15:18:20,672 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 15:18:20,673 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 15:18:20,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:20,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:20,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:20,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:20,684 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:20,684 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:20,692 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:18:20,738 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-08-27 15:18:20,738 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-08-27 15:18:20,739 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:20,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:20,740 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 15:18:20,741 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 15:18:20,742 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:18:20,764 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 15:18:20,764 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:18:20,764 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, v_rep(select #length ULTIMATE.start_main_~#string_A~0.base)_1) = -2*ULTIMATE.start_main_~i~0 + 9*v_rep(select #length ULTIMATE.start_main_~#string_A~0.base)_1 Supporting invariants [] [2021-08-27 15:18:20,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:20,835 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-08-27 15:18:20,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:18:20,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:18:20,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:18:20,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:18:20,914 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 15:18:20,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:18:20,948 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 15:18:20,957 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-08-27 15:18:20,958 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.625) internal successors, (39), 24 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:20,988 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.625) internal successors, (39), 24 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 80 transitions. Complement of second has 8 states. [2021-08-27 15:18:20,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-27 15:18:20,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:20,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 40 transitions. [2021-08-27 15:18:20,992 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 2 letters. Loop has 2 letters. [2021-08-27 15:18:20,992 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:18:20,992 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 4 letters. Loop has 2 letters. [2021-08-27 15:18:20,992 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:18:20,992 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 2 letters. Loop has 4 letters. [2021-08-27 15:18:20,992 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:18:20,993 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 80 transitions. [2021-08-27 15:18:20,995 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-08-27 15:18:20,997 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 19 states and 28 transitions. [2021-08-27 15:18:20,998 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-08-27 15:18:20,998 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-08-27 15:18:20,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 28 transitions. [2021-08-27 15:18:20,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:18:20,999 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 28 transitions. [2021-08-27 15:18:21,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 28 transitions. [2021-08-27 15:18:21,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-08-27 15:18:21,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 18 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:21,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 28 transitions. [2021-08-27 15:18:21,014 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 28 transitions. [2021-08-27 15:18:21,014 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 28 transitions. [2021-08-27 15:18:21,014 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 15:18:21,014 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 28 transitions. [2021-08-27 15:18:21,015 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-08-27 15:18:21,015 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:18:21,015 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:18:21,015 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-08-27 15:18:21,015 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:18:21,015 INFO L791 eck$LassoCheckResult]: Stem: 164#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 165#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 174#L33-3 assume !(main_~i~0 < 5); 169#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 170#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 163#L37-3 [2021-08-27 15:18:21,016 INFO L793 eck$LassoCheckResult]: Loop: 163#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 162#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 163#L37-3 [2021-08-27 15:18:21,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:21,016 INFO L82 PathProgramCache]: Analyzing trace with hash 28696938, now seen corresponding path program 1 times [2021-08-27 15:18:21,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:21,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226250335] [2021-08-27 15:18:21,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:21,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:18:21,045 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 15:18:21,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:18:21,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226250335] [2021-08-27 15:18:21,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226250335] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:18:21,046 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:18:21,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 15:18:21,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184153772] [2021-08-27 15:18:21,048 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:18:21,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:21,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 1 times [2021-08-27 15:18:21,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:21,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161799877] [2021-08-27 15:18:21,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:21,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:21,052 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:21,056 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:21,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:18:21,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 15:18:21,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 15:18:21,090 INFO L87 Difference]: Start difference. First operand 19 states and 28 transitions. cyclomatic complexity: 14 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:21,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:18:21,109 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2021-08-27 15:18:21,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 15:18:21,109 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2021-08-27 15:18:21,110 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-08-27 15:18:21,111 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 24 states and 30 transitions. [2021-08-27 15:18:21,111 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2021-08-27 15:18:21,112 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2021-08-27 15:18:21,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 30 transitions. [2021-08-27 15:18:21,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:18:21,112 INFO L681 BuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2021-08-27 15:18:21,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 30 transitions. [2021-08-27 15:18:21,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 20. [2021-08-27 15:18:21,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:21,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2021-08-27 15:18:21,114 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-08-27 15:18:21,114 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-08-27 15:18:21,114 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-27 15:18:21,114 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2021-08-27 15:18:21,114 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-08-27 15:18:21,114 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:18:21,115 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:18:21,115 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:18:21,115 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:18:21,115 INFO L791 eck$LassoCheckResult]: Stem: 213#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 214#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 223#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 221#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 222#L33-3 assume !(main_~i~0 < 5); 218#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 219#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 227#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 211#L37-2 [2021-08-27 15:18:21,115 INFO L793 eck$LassoCheckResult]: Loop: 211#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 212#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 211#L37-2 [2021-08-27 15:18:21,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:21,116 INFO L82 PathProgramCache]: Analyzing trace with hash 265181045, now seen corresponding path program 1 times [2021-08-27 15:18:21,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:21,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828295186] [2021-08-27 15:18:21,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:21,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:18:21,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:18:21,147 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:18:21,147 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828295186] [2021-08-27 15:18:21,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828295186] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:18:21,148 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837826879] [2021-08-27 15:18:21,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:21,148 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 15:18:21,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:21,149 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 15:18:21,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-08-27 15:18:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:18:21,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-27 15:18:21,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:18:21,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:18:21,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [837826879] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:18:21,213 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 15:18:21,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-08-27 15:18:21,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104200124] [2021-08-27 15:18:21,214 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:18:21,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:21,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1951, now seen corresponding path program 2 times [2021-08-27 15:18:21,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:21,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61127983] [2021-08-27 15:18:21,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:21,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:21,218 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:21,221 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:21,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:18:21,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 15:18:21,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-27 15:18:21,255 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:21,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:18:21,286 INFO L93 Difference]: Finished difference Result 30 states and 37 transitions. [2021-08-27 15:18:21,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-27 15:18:21,287 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 37 transitions. [2021-08-27 15:18:21,288 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-08-27 15:18:21,288 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 37 transitions. [2021-08-27 15:18:21,288 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2021-08-27 15:18:21,288 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-08-27 15:18:21,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 37 transitions. [2021-08-27 15:18:21,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:18:21,289 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2021-08-27 15:18:21,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 37 transitions. [2021-08-27 15:18:21,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2021-08-27 15:18:21,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 23 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:21,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2021-08-27 15:18:21,290 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 29 transitions. [2021-08-27 15:18:21,290 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 29 transitions. [2021-08-27 15:18:21,291 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-27 15:18:21,291 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 29 transitions. [2021-08-27 15:18:21,291 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-08-27 15:18:21,291 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:18:21,291 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:18:21,291 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-08-27 15:18:21,292 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:18:21,292 INFO L791 eck$LassoCheckResult]: Stem: 292#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 293#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 302#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 300#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 301#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 307#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 309#L33-3 assume !(main_~i~0 < 5); 297#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 298#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 308#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 290#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 291#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 306#L37-2 [2021-08-27 15:18:21,292 INFO L793 eck$LassoCheckResult]: Loop: 306#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 310#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 306#L37-2 [2021-08-27 15:18:21,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:21,292 INFO L82 PathProgramCache]: Analyzing trace with hash 780717205, now seen corresponding path program 1 times [2021-08-27 15:18:21,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:21,292 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849320128] [2021-08-27 15:18:21,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:21,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:18:21,322 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-27 15:18:21,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:18:21,323 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849320128] [2021-08-27 15:18:21,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849320128] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:18:21,323 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010503984] [2021-08-27 15:18:21,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:21,323 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 15:18:21,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:21,324 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 15:18:21,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-08-27 15:18:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:18:21,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:18:21,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:18:21,410 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-27 15:18:21,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010503984] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:18:21,411 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 15:18:21,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-08-27 15:18:21,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047175488] [2021-08-27 15:18:21,411 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:18:21,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:21,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1951, now seen corresponding path program 3 times [2021-08-27 15:18:21,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:21,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422935738] [2021-08-27 15:18:21,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:21,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:21,416 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:21,419 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:21,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:18:21,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-27 15:18:21,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-08-27 15:18:21,453 INFO L87 Difference]: Start difference. First operand 24 states and 29 transitions. cyclomatic complexity: 10 Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:21,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:18:21,493 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2021-08-27 15:18:21,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 15:18:21,493 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 44 transitions. [2021-08-27 15:18:21,496 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-08-27 15:18:21,498 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 36 states and 44 transitions. [2021-08-27 15:18:21,498 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-08-27 15:18:21,498 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2021-08-27 15:18:21,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 44 transitions. [2021-08-27 15:18:21,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:18:21,498 INFO L681 BuchiCegarLoop]: Abstraction has 36 states and 44 transitions. [2021-08-27 15:18:21,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 44 transitions. [2021-08-27 15:18:21,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 28. [2021-08-27 15:18:21,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 27 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:21,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2021-08-27 15:18:21,503 INFO L704 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2021-08-27 15:18:21,503 INFO L587 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2021-08-27 15:18:21,503 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-27 15:18:21,503 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 33 transitions. [2021-08-27 15:18:21,505 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-08-27 15:18:21,505 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:18:21,505 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:18:21,506 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 1, 1, 1, 1, 1] [2021-08-27 15:18:21,506 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:18:21,506 INFO L791 eck$LassoCheckResult]: Stem: 394#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 395#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 404#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 409#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 415#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 402#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 403#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 410#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 412#L33-3 assume !(main_~i~0 < 5); 399#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 400#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 411#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 416#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 414#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 392#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 393#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 408#L37-2 [2021-08-27 15:18:21,506 INFO L793 eck$LassoCheckResult]: Loop: 408#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 413#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 408#L37-2 [2021-08-27 15:18:21,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:21,507 INFO L82 PathProgramCache]: Analyzing trace with hash 2111137973, now seen corresponding path program 2 times [2021-08-27 15:18:21,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:21,507 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719856645] [2021-08-27 15:18:21,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:21,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:18:21,577 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-27 15:18:21,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:18:21,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719856645] [2021-08-27 15:18:21,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719856645] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:18:21,578 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261454857] [2021-08-27 15:18:21,578 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-27 15:18:21,578 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 15:18:21,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:21,580 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 15:18:21,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-08-27 15:18:21,633 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-27 15:18:21,633 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-27 15:18:21,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 15:18:21,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:18:21,693 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-27 15:18:21,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261454857] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:18:21,695 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 15:18:21,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-08-27 15:18:21,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420931768] [2021-08-27 15:18:21,696 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:18:21,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:21,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1951, now seen corresponding path program 4 times [2021-08-27 15:18:21,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:21,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895440182] [2021-08-27 15:18:21,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:21,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:21,702 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:21,707 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:21,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:18:21,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-27 15:18:21,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-08-27 15:18:21,738 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. cyclomatic complexity: 10 Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:21,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:18:21,785 INFO L93 Difference]: Finished difference Result 42 states and 51 transitions. [2021-08-27 15:18:21,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-27 15:18:21,786 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 51 transitions. [2021-08-27 15:18:21,787 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-08-27 15:18:21,789 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 42 states and 51 transitions. [2021-08-27 15:18:21,789 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2021-08-27 15:18:21,789 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2021-08-27 15:18:21,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 51 transitions. [2021-08-27 15:18:21,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:18:21,790 INFO L681 BuchiCegarLoop]: Abstraction has 42 states and 51 transitions. [2021-08-27 15:18:21,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 51 transitions. [2021-08-27 15:18:21,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 32. [2021-08-27 15:18:21,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.15625) internal successors, (37), 31 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:21,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2021-08-27 15:18:21,793 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 37 transitions. [2021-08-27 15:18:21,793 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 37 transitions. [2021-08-27 15:18:21,793 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-08-27 15:18:21,793 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 37 transitions. [2021-08-27 15:18:21,794 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-08-27 15:18:21,794 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:18:21,794 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:18:21,795 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 1, 1, 1, 1, 1] [2021-08-27 15:18:21,795 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:18:21,795 INFO L791 eck$LassoCheckResult]: Stem: 519#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 520#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 529#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 527#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 528#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 534#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 542#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 541#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 540#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 537#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 536#L33-3 assume !(main_~i~0 < 5); 524#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 525#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 535#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 517#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 518#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 533#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 545#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 544#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 543#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 539#L37-2 [2021-08-27 15:18:21,795 INFO L793 eck$LassoCheckResult]: Loop: 539#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 538#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 539#L37-2 [2021-08-27 15:18:21,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:21,795 INFO L82 PathProgramCache]: Analyzing trace with hash 213314517, now seen corresponding path program 3 times [2021-08-27 15:18:21,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:21,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851538597] [2021-08-27 15:18:21,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:21,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:18:21,860 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-08-27 15:18:21,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:18:21,860 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851538597] [2021-08-27 15:18:21,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851538597] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:18:21,860 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960750402] [2021-08-27 15:18:21,860 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-27 15:18:21,861 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 15:18:21,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:21,896 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 15:18:21,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-08-27 15:18:21,999 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-08-27 15:18:22,000 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-27 15:18:22,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 15:18:22,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:18:22,048 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-08-27 15:18:22,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960750402] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:18:22,049 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 15:18:22,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-08-27 15:18:22,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243784089] [2021-08-27 15:18:22,049 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:18:22,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:22,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1951, now seen corresponding path program 5 times [2021-08-27 15:18:22,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:22,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017786126] [2021-08-27 15:18:22,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:22,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:22,053 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:22,055 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:22,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:18:22,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-27 15:18:22,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-08-27 15:18:22,084 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. cyclomatic complexity: 10 Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:22,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:18:22,130 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2021-08-27 15:18:22,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-27 15:18:22,131 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 56 transitions. [2021-08-27 15:18:22,131 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-08-27 15:18:22,132 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 46 states and 56 transitions. [2021-08-27 15:18:22,132 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2021-08-27 15:18:22,132 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2021-08-27 15:18:22,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 56 transitions. [2021-08-27 15:18:22,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:18:22,132 INFO L681 BuchiCegarLoop]: Abstraction has 46 states and 56 transitions. [2021-08-27 15:18:22,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 56 transitions. [2021-08-27 15:18:22,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 36. [2021-08-27 15:18:22,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 35 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:22,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2021-08-27 15:18:22,135 INFO L704 BuchiCegarLoop]: Abstraction has 36 states and 41 transitions. [2021-08-27 15:18:22,135 INFO L587 BuchiCegarLoop]: Abstraction has 36 states and 41 transitions. [2021-08-27 15:18:22,135 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-08-27 15:18:22,135 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 41 transitions. [2021-08-27 15:18:22,135 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-08-27 15:18:22,135 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:18:22,135 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:18:22,136 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 4, 1, 1, 1, 1, 1] [2021-08-27 15:18:22,136 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:18:22,136 INFO L791 eck$LassoCheckResult]: Stem: 665#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 666#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 675#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 680#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 681#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 673#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 674#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 691#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 689#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 687#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 686#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 683#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 682#L33-3 assume !(main_~i~0 < 5); 670#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 671#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 679#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 663#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 664#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 695#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 694#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 693#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 692#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 690#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 688#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 685#L37-2 [2021-08-27 15:18:22,136 INFO L793 eck$LassoCheckResult]: Loop: 685#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 684#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 685#L37-2 [2021-08-27 15:18:22,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:22,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1212159477, now seen corresponding path program 4 times [2021-08-27 15:18:22,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:22,137 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441254424] [2021-08-27 15:18:22,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:22,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:22,148 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:22,161 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:22,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:22,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1951, now seen corresponding path program 6 times [2021-08-27 15:18:22,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:22,162 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379895482] [2021-08-27 15:18:22,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:22,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:22,164 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:22,166 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:22,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:22,166 INFO L82 PathProgramCache]: Analyzing trace with hash 949121171, now seen corresponding path program 5 times [2021-08-27 15:18:22,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:22,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884845921] [2021-08-27 15:18:22,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:22,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:18:22,223 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-08-27 15:18:22,223 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:18:22,224 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884845921] [2021-08-27 15:18:22,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884845921] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:18:22,224 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962168698] [2021-08-27 15:18:22,224 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-27 15:18:22,224 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 15:18:22,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:22,245 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 15:18:22,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-08-27 15:18:22,356 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-08-27 15:18:22,356 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-27 15:18:22,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-27 15:18:22,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:18:22,420 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-08-27 15:18:22,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962168698] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:18:22,420 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-27 15:18:22,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2021-08-27 15:18:22,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912517632] [2021-08-27 15:18:22,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:18:22,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-27 15:18:22,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-08-27 15:18:22,449 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. cyclomatic complexity: 10 Second operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:22,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:18:22,546 INFO L93 Difference]: Finished difference Result 48 states and 57 transitions. [2021-08-27 15:18:22,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-27 15:18:22,546 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 57 transitions. [2021-08-27 15:18:22,547 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-08-27 15:18:22,547 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 48 states and 57 transitions. [2021-08-27 15:18:22,547 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2021-08-27 15:18:22,548 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 48 [2021-08-27 15:18:22,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 57 transitions. [2021-08-27 15:18:22,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:18:22,548 INFO L681 BuchiCegarLoop]: Abstraction has 48 states and 57 transitions. [2021-08-27 15:18:22,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 57 transitions. [2021-08-27 15:18:22,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 36. [2021-08-27 15:18:22,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 35 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:22,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2021-08-27 15:18:22,550 INFO L704 BuchiCegarLoop]: Abstraction has 36 states and 39 transitions. [2021-08-27 15:18:22,550 INFO L587 BuchiCegarLoop]: Abstraction has 36 states and 39 transitions. [2021-08-27 15:18:22,550 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-08-27 15:18:22,550 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 39 transitions. [2021-08-27 15:18:22,550 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-08-27 15:18:22,551 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:18:22,551 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:18:22,551 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:18:22,551 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:18:22,551 INFO L791 eck$LassoCheckResult]: Stem: 838#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 839#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 848#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 846#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 847#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 867#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 865#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 863#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 861#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 859#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 857#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 855#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 853#L33-3 assume !(main_~i~0 < 5); 843#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 844#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 852#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 836#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 837#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 868#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 866#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 864#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 862#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 860#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 858#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 856#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 854#L37-3 assume !(main_~i~0 < 5); 850#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 851#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 835#L42-3 [2021-08-27 15:18:22,552 INFO L793 eck$LassoCheckResult]: Loop: 835#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 833#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 835#L42-3 [2021-08-27 15:18:22,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:22,552 INFO L82 PathProgramCache]: Analyzing trace with hash 1572377782, now seen corresponding path program 1 times [2021-08-27 15:18:22,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:22,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104833986] [2021-08-27 15:18:22,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:22,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:22,562 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:22,576 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:22,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:22,576 INFO L82 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 1 times [2021-08-27 15:18:22,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:22,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534452157] [2021-08-27 15:18:22,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:22,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:22,579 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:22,581 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:22,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:22,581 INFO L82 PathProgramCache]: Analyzing trace with hash -773438245, now seen corresponding path program 1 times [2021-08-27 15:18:22,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:22,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501522713] [2021-08-27 15:18:22,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:22,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:22,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:22,590 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:22,603 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:25,469 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:18:25,469 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:18:25,469 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:18:25,469 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:18:25,469 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:18:25,469 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:25,469 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:18:25,469 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:18:25,469 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration8_Lasso [2021-08-27 15:18:25,469 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:18:25,469 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:18:25,472 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 15:18:25,482 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 15:18:25,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:18:25,485 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 15:18:25,487 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 15:18:25,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:18:25,490 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 15:18:25,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:18:25,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:18:25,495 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 15:18:25,497 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 15:18:25,498 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 15:18:25,500 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 15:18:25,501 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 15:18:25,503 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 15:18:25,505 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 15:18:25,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:18:25,518 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 15:18:25,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:18:25,521 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 15:18:25,776 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 15:18:25,778 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 15:18:25,996 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:18:25,996 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:18:25,996 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:25,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:26,001 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 15:18:26,002 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 15:18:26,037 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 15:18:26,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:26,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:26,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:26,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:26,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:26,044 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:26,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:26,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:26,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:26,063 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:26,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:26,063 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 15:18:26,064 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 15:18:26,065 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 15:18:26,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:26,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:26,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:26,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:26,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:26,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:26,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:26,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:26,108 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 15:18:26,108 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:26,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:26,109 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 15:18:26,110 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 15:18:26,111 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 15:18:26,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:26,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:26,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:26,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:26,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:26,118 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:26,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:26,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:26,133 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 15:18:26,134 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:26,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:26,134 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 15:18:26,135 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 15:18:26,137 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 15:18:26,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:26,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:26,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:26,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:26,144 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:26,144 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:26,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:26,180 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 15:18:26,180 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:26,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:26,181 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 15:18:26,182 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 15:18:26,183 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 15:18:26,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:26,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:26,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:26,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:26,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:26,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:26,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:26,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:26,208 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 15:18:26,208 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:26,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:26,209 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 15:18:26,210 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 15:18:26,211 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 15:18:26,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:26,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:26,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:26,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:26,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:26,218 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:26,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:26,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:26,233 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 15:18:26,234 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:26,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:26,234 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 15:18:26,235 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 15:18:26,236 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 15:18:26,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:26,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:26,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:26,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:26,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:26,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:26,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:26,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:26,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-08-27 15:18:26,259 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:26,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:26,260 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 15:18:26,261 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 15:18:26,263 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 15:18:26,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:26,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:26,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:26,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:26,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:26,269 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:26,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:26,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:26,285 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 15:18:26,285 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:26,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:26,286 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 15:18:26,286 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 15:18:26,288 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 15:18:26,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:26,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:26,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:26,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:26,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:26,294 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:26,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:26,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:26,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:26,312 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:26,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:26,313 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 15:18:26,313 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 15:18:26,315 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 15:18:26,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:26,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:26,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:26,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:26,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:26,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:26,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:26,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:26,338 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 15:18:26,338 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:26,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:26,339 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 15:18:26,340 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 15:18:26,341 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 15:18:26,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:26,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:26,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:26,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:26,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:26,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:26,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:26,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:26,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:26,380 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:26,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:26,381 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 15:18:26,382 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 15:18:26,383 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 15:18:26,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:26,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:26,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:26,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:26,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:26,389 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:26,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:26,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:26,421 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 15:18:26,422 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:26,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:26,422 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 15:18:26,423 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 15:18:26,425 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 15:18:26,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:26,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:26,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:26,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:26,432 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:26,432 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:26,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:26,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:26,462 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:26,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:26,463 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 15:18:26,463 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 15:18:26,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:18:26,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:26,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:26,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:26,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:26,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:26,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:26,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:26,473 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:26,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:26,488 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:26,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:26,488 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 15:18:26,493 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 15:18:26,494 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 15:18:26,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:26,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:26,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:26,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:26,504 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:26,504 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:26,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:26,530 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 15:18:26,530 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:26,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:26,531 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 15:18:26,533 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 15:18:26,534 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 15:18:26,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:26,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:26,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:26,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:26,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:26,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:26,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:26,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:26,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:26,586 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:26,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:26,587 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 15:18:26,588 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 15:18:26,590 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 15:18:26,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:26,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:26,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:26,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:26,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:26,612 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:26,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:26,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:26,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:26,644 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:26,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:26,647 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 15:18:26,648 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 15:18:26,649 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 15:18:26,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:26,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:26,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:26,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:26,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:26,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:26,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:26,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:26,685 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:26,686 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:26,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:26,686 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 15:18:26,687 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 15:18:26,688 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 15:18:26,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:26,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:26,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:26,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:26,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:26,695 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:26,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:26,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:26,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:26,726 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:26,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:26,727 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 15:18:26,727 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 15:18:26,729 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 15:18:26,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:26,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:26,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:26,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:26,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:26,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:26,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:26,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:26,766 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:26,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:26,767 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 15:18:26,768 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 15:18:26,769 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 15:18:26,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:26,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:26,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:26,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:26,776 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:26,776 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:26,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:26,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:26,808 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:26,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:26,808 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 15:18:26,809 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 15:18:26,810 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 15:18:26,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:26,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:26,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:26,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:26,818 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:26,818 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:26,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:26,848 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 15:18:26,848 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:26,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:26,849 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 15:18:26,850 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 15:18:26,851 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 15:18:26,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:26,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:26,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:26,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:26,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:26,858 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:26,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:26,902 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:26,902 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:26,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:26,903 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 15:18:26,904 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 15:18:26,905 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 15:18:26,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:26,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:26,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:26,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:26,915 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:26,915 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:26,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:26,945 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 15:18:26,945 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:26,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:26,946 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 15:18:26,947 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 15:18:26,948 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 15:18:26,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:26,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:26,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:26,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:26,955 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:26,955 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:26,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:26,985 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 15:18:26,985 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:26,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:26,986 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 15:18:26,987 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 15:18:26,988 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 15:18:26,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:26,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:26,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:26,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:26,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:26,995 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:26,995 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:26,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:27,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:27,011 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:27,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:27,012 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 15:18:27,012 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 15:18:27,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:18:27,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:27,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:27,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:27,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:27,021 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:27,021 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:27,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:27,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:27,061 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:27,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:27,062 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 15:18:27,063 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 15:18:27,108 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 15:18:27,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:27,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:27,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:27,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:27,130 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:27,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:27,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:27,169 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 15:18:27,170 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:27,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:27,170 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 15:18:27,171 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 15:18:27,172 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 15:18:27,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:27,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:27,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:27,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:27,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:27,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:27,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:27,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:27,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:27,209 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:27,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:27,210 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 15:18:27,211 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 15:18:27,212 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 15:18:27,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:27,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:27,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:27,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:27,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:27,218 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:27,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:27,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:27,248 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 15:18:27,248 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:27,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:27,249 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 15:18:27,250 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 15:18:27,251 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 15:18:27,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:27,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:27,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:27,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:27,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:27,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:27,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:27,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:27,293 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:27,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:27,294 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 15:18:27,295 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 15:18:27,296 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 15:18:27,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:27,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:27,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:27,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:27,304 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:27,304 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:27,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:27,335 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 15:18:27,335 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:27,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:27,336 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 15:18:27,337 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 15:18:27,338 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 15:18:27,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:27,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:27,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:27,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:27,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:27,345 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:27,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:27,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:27,378 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 15:18:27,378 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:27,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:27,379 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:18:27,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-08-27 15:18:27,381 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 15:18:27,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:27,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:27,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:27,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:27,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:27,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:27,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:27,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:27,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:27,418 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:27,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:27,419 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:18:27,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-08-27 15:18:27,421 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 15:18:27,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:27,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:27,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:27,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:27,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:27,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:27,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:27,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:27,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:27,444 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:27,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:27,445 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:18:27,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-08-27 15:18:27,448 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 15:18:27,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:27,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:27,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:27,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:27,479 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:27,479 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:27,484 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:18:27,515 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-08-27 15:18:27,515 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-08-27 15:18:27,515 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:27,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:27,529 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:18:27,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-08-27 15:18:27,531 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:18:27,561 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 15:18:27,562 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:18:27,562 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#string_A~0.base)_2, ULTIMATE.start_main_~#string_A~0.offset, ULTIMATE.start_main_~nc_A~0) = 1*v_rep(select #length ULTIMATE.start_main_~#string_A~0.base)_2 - 1*ULTIMATE.start_main_~#string_A~0.offset - 1*ULTIMATE.start_main_~nc_A~0 Supporting invariants [] [2021-08-27 15:18:27,596 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-08-27 15:18:27,635 INFO L297 tatePredicateManager]: 23 out of 23 supporting invariants were superfluous and have been removed [2021-08-27 15:18:27,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:18:27,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:18:27,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:18:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:18:27,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:18:27,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:18:27,755 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 15:18:27,756 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-08-27 15:18:27,756 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 39 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:27,766 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 39 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 51 transitions. Complement of second has 4 states. [2021-08-27 15:18:27,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-27 15:18:27,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:27,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 23 transitions. [2021-08-27 15:18:27,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 28 letters. Loop has 2 letters. [2021-08-27 15:18:27,767 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:18:27,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 30 letters. Loop has 2 letters. [2021-08-27 15:18:27,768 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:18:27,768 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 28 letters. Loop has 4 letters. [2021-08-27 15:18:27,768 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:18:27,768 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 51 transitions. [2021-08-27 15:18:27,768 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-08-27 15:18:27,769 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 38 states and 42 transitions. [2021-08-27 15:18:27,769 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2021-08-27 15:18:27,769 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2021-08-27 15:18:27,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 42 transitions. [2021-08-27 15:18:27,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:18:27,769 INFO L681 BuchiCegarLoop]: Abstraction has 38 states and 42 transitions. [2021-08-27 15:18:27,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 42 transitions. [2021-08-27 15:18:27,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-08-27 15:18:27,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.105263157894737) internal successors, (42), 37 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:27,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2021-08-27 15:18:27,771 INFO L704 BuchiCegarLoop]: Abstraction has 38 states and 42 transitions. [2021-08-27 15:18:27,771 INFO L587 BuchiCegarLoop]: Abstraction has 38 states and 42 transitions. [2021-08-27 15:18:27,771 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-08-27 15:18:27,771 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 42 transitions. [2021-08-27 15:18:27,771 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-08-27 15:18:27,771 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:18:27,771 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:18:27,772 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:18:27,772 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:18:27,772 INFO L791 eck$LassoCheckResult]: Stem: 1121#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 1122#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 1132#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1129#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1130#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1152#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1151#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1150#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1149#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1148#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1146#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1144#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1142#L33-3 assume !(main_~i~0 < 5); 1126#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 1127#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 1137#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1119#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1120#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1136#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1147#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1145#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1143#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1141#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1140#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1139#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1138#L37-3 assume !(main_~i~0 < 5); 1134#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 1135#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 1131#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 1115#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 1116#L42-4 main_~nc_B~0 := 0; 1124#L46-3 [2021-08-27 15:18:27,772 INFO L793 eck$LassoCheckResult]: Loop: 1124#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 1123#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 1124#L46-3 [2021-08-27 15:18:27,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:27,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1793218173, now seen corresponding path program 1 times [2021-08-27 15:18:27,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:27,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635760391] [2021-08-27 15:18:27,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:27,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:27,783 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:27,794 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:27,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:27,795 INFO L82 PathProgramCache]: Analyzing trace with hash 2854, now seen corresponding path program 1 times [2021-08-27 15:18:27,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:27,795 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677809825] [2021-08-27 15:18:27,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:27,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:27,797 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:27,798 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:27,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:27,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1000780450, now seen corresponding path program 1 times [2021-08-27 15:18:27,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:27,799 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083774821] [2021-08-27 15:18:27,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:27,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:27,807 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:27,818 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:28,353 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-08-27 15:18:32,083 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:18:32,083 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:18:32,083 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:18:32,083 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:18:32,083 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:18:32,083 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:32,083 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:18:32,083 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:18:32,083 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration9_Lasso [2021-08-27 15:18:32,083 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:18:32,083 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:18:32,092 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 15:18:32,103 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 15:18:32,105 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 15:18:32,380 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 15:18:32,382 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 15:18:32,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:18:32,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:18:32,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:18:32,389 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 15:18:32,390 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 15:18:32,392 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 15:18:32,403 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 15:18:32,405 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 15:18:32,406 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 15:18:32,408 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 15:18:32,409 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 15:18:32,411 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 15:18:32,412 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 15:18:32,414 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 15:18:32,418 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 15:18:32,445 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 15:18:32,699 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:18:32,700 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:18:32,700 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:32,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:32,708 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:18:32,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-08-27 15:18:32,710 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 15:18:32,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:32,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:32,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:32,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:32,718 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:32,718 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:32,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:32,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:32,757 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:32,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:32,759 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:18:32,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-08-27 15:18:32,762 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 15:18:32,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:32,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:32,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:32,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:32,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:32,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:32,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:32,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:32,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:32,787 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:32,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:32,817 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:18:32,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-08-27 15:18:32,836 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 15:18:32,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:32,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:32,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:32,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:32,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:32,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:32,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:32,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-08-27 15:18:32,862 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:32,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:32,862 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:18:32,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-08-27 15:18:32,864 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 15:18:32,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:32,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:32,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:32,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:32,875 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:32,875 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:32,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:32,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:32,909 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:32,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:32,910 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:18:32,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-08-27 15:18:32,912 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 15:18:32,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:32,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:32,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:32,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:32,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:32,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:32,948 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:18:32,964 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-08-27 15:18:32,964 INFO L444 ModelExtractionUtils]: 12 out of 28 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-08-27 15:18:32,965 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:32,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:32,965 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:18:32,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-08-27 15:18:32,967 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:18:32,974 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 15:18:32,974 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:18:32,974 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~#string_B~0.offset, v_rep(select #length ULTIMATE.start_main_~#string_B~0.base)_3, ULTIMATE.start_main_~nc_B~0) = -1*ULTIMATE.start_main_~#string_B~0.offset + 1*v_rep(select #length ULTIMATE.start_main_~#string_B~0.base)_3 - 1*ULTIMATE.start_main_~nc_B~0 Supporting invariants [] [2021-08-27 15:18:32,990 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-08-27 15:18:33,021 INFO L297 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2021-08-27 15:18:33,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:18:33,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:18:33,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:18:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:18:33,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:18:33,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:18:33,147 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 15:18:33,148 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-08-27 15:18:33,149 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 42 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:33,166 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 42 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 50 transitions. Complement of second has 4 states. [2021-08-27 15:18:33,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-27 15:18:33,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:33,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 23 transitions. [2021-08-27 15:18:33,167 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 31 letters. Loop has 2 letters. [2021-08-27 15:18:33,167 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:18:33,167 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 33 letters. Loop has 2 letters. [2021-08-27 15:18:33,168 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:18:33,168 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 31 letters. Loop has 4 letters. [2021-08-27 15:18:33,169 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:18:33,169 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 50 transitions. [2021-08-27 15:18:33,173 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 15:18:33,184 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 40 states and 45 transitions. [2021-08-27 15:18:33,184 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2021-08-27 15:18:33,185 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2021-08-27 15:18:33,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 45 transitions. [2021-08-27 15:18:33,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:18:33,188 INFO L681 BuchiCegarLoop]: Abstraction has 40 states and 45 transitions. [2021-08-27 15:18:33,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 45 transitions. [2021-08-27 15:18:33,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-08-27 15:18:33,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.125) internal successors, (45), 39 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:33,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2021-08-27 15:18:33,198 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 45 transitions. [2021-08-27 15:18:33,198 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 45 transitions. [2021-08-27 15:18:33,198 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-08-27 15:18:33,199 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 45 transitions. [2021-08-27 15:18:33,199 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 15:18:33,209 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:18:33,210 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:18:33,210 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:18:33,211 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:18:33,211 INFO L791 eck$LassoCheckResult]: Stem: 1385#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 1386#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 1397#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1394#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1395#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1418#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1417#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1416#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1415#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1414#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1413#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1411#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1409#L33-3 assume !(main_~i~0 < 5); 1391#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 1392#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 1402#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1383#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1384#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1412#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1410#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1408#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1407#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1406#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1405#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1404#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1403#L37-3 assume !(main_~i~0 < 5); 1399#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 1400#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 1396#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 1379#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 1380#L42-4 main_~nc_B~0 := 0; 1401#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 1387#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 1388#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 1393#L55-2 [2021-08-27 15:18:33,211 INFO L793 eck$LassoCheckResult]: Loop: 1393#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 1398#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 1393#L55-2 [2021-08-27 15:18:33,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:33,212 INFO L82 PathProgramCache]: Analyzing trace with hash 959422888, now seen corresponding path program 1 times [2021-08-27 15:18:33,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:33,212 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047768531] [2021-08-27 15:18:33,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:33,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:33,221 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:33,257 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:33,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:33,258 INFO L82 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 1 times [2021-08-27 15:18:33,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:33,258 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129133093] [2021-08-27 15:18:33,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:33,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:33,264 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:33,285 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:33,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:33,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1412570677, now seen corresponding path program 1 times [2021-08-27 15:18:33,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:33,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486732791] [2021-08-27 15:18:33,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:33,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:18:33,339 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-08-27 15:18:33,340 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:18:33,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486732791] [2021-08-27 15:18:33,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486732791] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:18:33,340 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:18:33,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-27 15:18:33,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453829290] [2021-08-27 15:18:33,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:18:33,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-27 15:18:33,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-27 15:18:33,398 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:33,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:18:33,408 INFO L93 Difference]: Finished difference Result 49 states and 55 transitions. [2021-08-27 15:18:33,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-27 15:18:33,409 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 55 transitions. [2021-08-27 15:18:33,409 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 15:18:33,409 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 41 states and 45 transitions. [2021-08-27 15:18:33,409 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2021-08-27 15:18:33,409 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2021-08-27 15:18:33,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 45 transitions. [2021-08-27 15:18:33,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:18:33,410 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 45 transitions. [2021-08-27 15:18:33,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 45 transitions. [2021-08-27 15:18:33,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2021-08-27 15:18:33,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.1) internal successors, (44), 39 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:33,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2021-08-27 15:18:33,411 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 44 transitions. [2021-08-27 15:18:33,411 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 44 transitions. [2021-08-27 15:18:33,411 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-08-27 15:18:33,411 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 44 transitions. [2021-08-27 15:18:33,411 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 15:18:33,411 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:18:33,412 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:18:33,412 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:18:33,412 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:18:33,412 INFO L791 eck$LassoCheckResult]: Stem: 1483#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 1484#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 1494#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1492#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1493#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1516#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1515#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1514#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1513#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1512#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1511#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1509#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1507#L33-3 assume !(main_~i~0 < 5); 1489#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 1490#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 1500#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1481#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1482#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1510#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1508#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1506#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1505#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1504#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1503#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1502#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1501#L37-3 assume !(main_~i~0 < 5); 1497#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 1498#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 1495#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 1479#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 1480#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 1477#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 1478#L42-4 main_~nc_B~0 := 0; 1499#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 1485#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 1486#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 1491#L55-2 [2021-08-27 15:18:33,412 INFO L793 eck$LassoCheckResult]: Loop: 1491#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 1496#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 1491#L55-2 [2021-08-27 15:18:33,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:33,413 INFO L82 PathProgramCache]: Analyzing trace with hash 94364173, now seen corresponding path program 1 times [2021-08-27 15:18:33,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:33,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990301075] [2021-08-27 15:18:33,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:33,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:33,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:18:33,476 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-08-27 15:18:33,476 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:18:33,476 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990301075] [2021-08-27 15:18:33,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990301075] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:18:33,476 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270248042] [2021-08-27 15:18:33,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:33,477 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 15:18:33,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:33,492 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 15:18:33,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Waiting until timeout for monitored process [2021-08-27 15:18:33,568 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:18:33,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:18:33,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:18:33,738 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-08-27 15:18:33,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270248042] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:18:33,739 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-27 15:18:33,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2021-08-27 15:18:33,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508714999] [2021-08-27 15:18:33,739 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:18:33,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:33,739 INFO L82 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 2 times [2021-08-27 15:18:33,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:33,740 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767534649] [2021-08-27 15:18:33,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:33,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:33,742 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:33,744 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:33,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:18:33,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 15:18:33,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-08-27 15:18:33,805 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. cyclomatic complexity: 7 Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:33,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:18:33,820 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2021-08-27 15:18:33,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 15:18:33,820 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 47 transitions. [2021-08-27 15:18:33,820 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 15:18:33,821 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 42 states and 45 transitions. [2021-08-27 15:18:33,821 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2021-08-27 15:18:33,821 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2021-08-27 15:18:33,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 45 transitions. [2021-08-27 15:18:33,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:18:33,821 INFO L681 BuchiCegarLoop]: Abstraction has 42 states and 45 transitions. [2021-08-27 15:18:33,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 45 transitions. [2021-08-27 15:18:33,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2021-08-27 15:18:33,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.075) internal successors, (43), 39 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:33,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2021-08-27 15:18:33,822 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 43 transitions. [2021-08-27 15:18:33,823 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 43 transitions. [2021-08-27 15:18:33,823 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-08-27 15:18:33,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 43 transitions. [2021-08-27 15:18:33,823 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 15:18:33,823 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:18:33,823 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:18:33,824 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:18:33,824 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:18:33,824 INFO L791 eck$LassoCheckResult]: Stem: 1682#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 1683#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 1693#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1691#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1692#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1713#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1711#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1709#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1707#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1705#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1703#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1701#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1700#L33-3 assume !(main_~i~0 < 5); 1688#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 1689#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 1699#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1680#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1681#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1715#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1714#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1712#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1710#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1708#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1706#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1704#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1702#L37-3 assume !(main_~i~0 < 5); 1696#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 1697#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 1694#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 1678#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 1679#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 1676#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 1677#L42-4 main_~nc_B~0 := 0; 1698#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 1686#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 1687#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 1684#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 1685#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 1690#L55-2 [2021-08-27 15:18:33,824 INFO L793 eck$LassoCheckResult]: Loop: 1690#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 1695#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 1690#L55-2 [2021-08-27 15:18:33,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:33,824 INFO L82 PathProgramCache]: Analyzing trace with hash 489706120, now seen corresponding path program 1 times [2021-08-27 15:18:33,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:33,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552650224] [2021-08-27 15:18:33,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:33,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:33,836 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:33,848 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:33,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:33,849 INFO L82 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 3 times [2021-08-27 15:18:33,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:33,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305963772] [2021-08-27 15:18:33,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:33,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:33,851 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:33,853 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:33,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:33,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1838818645, now seen corresponding path program 1 times [2021-08-27 15:18:33,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:33,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794932966] [2021-08-27 15:18:33,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:33,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:33,865 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:33,878 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:39,110 WARN L207 SmtUtils]: Spent 5.16 s on a formula simplification. DAG size of input: 296 DAG size of output: 223 [2021-08-27 15:18:39,826 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:18:39,826 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:18:39,826 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:18:39,826 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:18:39,826 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:18:39,826 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:39,826 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:18:39,826 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:18:39,826 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration12_Lasso [2021-08-27 15:18:39,826 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:18:39,826 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:18:39,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:18:39,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:18:39,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:18:39,835 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 15:18:39,837 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 15:18:39,839 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 15:18:39,841 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 15:18:39,843 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 15:18:39,844 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 15:18:39,846 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 15:18:39,848 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 15:18:39,850 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 15:18:39,851 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 15:18:39,853 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 15:18:40,506 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 15:18:40,508 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 15:18:40,510 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 15:18:40,512 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 15:18:40,513 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 15:18:40,515 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 15:18:40,839 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:18:40,839 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:18:40,840 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:40,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:40,840 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:18:40,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-08-27 15:18:40,843 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 15:18:40,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:40,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:40,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:40,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:40,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:40,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:40,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:40,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:40,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:40,872 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:40,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:40,872 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:18:40,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-08-27 15:18:40,874 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 15:18:40,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:40,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:40,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:40,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:40,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:40,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:40,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:40,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:40,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:40,911 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:40,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:40,911 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:18:40,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-08-27 15:18:40,913 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 15:18:40,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:40,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:40,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:40,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:40,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:40,921 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:40,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:40,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:40,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:40,939 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:40,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:40,939 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:18:40,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-08-27 15:18:40,941 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 15:18:40,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:40,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:40,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:40,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:40,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:40,948 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:40,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:40,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:40,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:40,964 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:40,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:40,965 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:18:40,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-08-27 15:18:40,966 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 15:18:40,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:40,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:40,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:40,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:40,974 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:40,974 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:40,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:40,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:40,991 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:40,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:40,991 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:18:40,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-08-27 15:18:40,994 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 15:18:41,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:41,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:41,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:41,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:41,002 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:41,002 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:41,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:41,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:41,021 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:41,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:41,021 INFO L229 MonitoredProcess]: Starting monitored process 80 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:18:41,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-08-27 15:18:41,023 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 15:18:41,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:41,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:41,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:41,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:41,031 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:41,031 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:41,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:41,056 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-08-27 15:18:41,057 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:41,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:41,057 INFO L229 MonitoredProcess]: Starting monitored process 81 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:18:41,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-08-27 15:18:41,061 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 15:18:41,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:41,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:41,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:41,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:41,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:41,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:41,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:41,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:41,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:41,122 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:41,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:41,123 INFO L229 MonitoredProcess]: Starting monitored process 82 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:18:41,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-08-27 15:18:41,125 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 15:18:41,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:41,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:41,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:41,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:41,133 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:41,133 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:41,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:41,162 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-08-27 15:18:41,163 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:41,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:41,163 INFO L229 MonitoredProcess]: Starting monitored process 83 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:18:41,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-08-27 15:18:41,166 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 15:18:41,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:41,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:41,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:41,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:41,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:41,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:41,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:41,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:41,200 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-08-27 15:18:41,201 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:41,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:41,204 INFO L229 MonitoredProcess]: Starting monitored process 84 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:18:41,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-08-27 15:18:41,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:18:41,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:41,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:41,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:41,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:41,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:41,213 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:41,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:41,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:41,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-08-27 15:18:41,229 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:41,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:41,229 INFO L229 MonitoredProcess]: Starting monitored process 85 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 15:18:41,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-08-27 15:18:41,231 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 15:18:41,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:41,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:41,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:41,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:41,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:41,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:41,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:41,253 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:41,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:41,268 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:41,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:41,269 INFO L229 MonitoredProcess]: Starting monitored process 86 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 15:18:41,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-08-27 15:18:41,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:18:41,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:41,305 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:41,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:41,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:41,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:41,305 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:41,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:41,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:41,330 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:41,331 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:41,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:41,331 INFO L229 MonitoredProcess]: Starting monitored process 87 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 15:18:41,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-08-27 15:18:41,333 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 15:18:41,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:41,341 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-08-27 15:18:41,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:41,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:41,346 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-08-27 15:18:41,346 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:41,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:41,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:41,368 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:41,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:41,369 INFO L229 MonitoredProcess]: Starting monitored process 88 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 15:18:41,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-08-27 15:18:41,370 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 15:18:41,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:41,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:41,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:41,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:41,385 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:41,385 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:41,400 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:18:41,428 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-08-27 15:18:41,428 INFO L444 ModelExtractionUtils]: 4 out of 31 variables were initially zero. Simplification set additionally 24 variables to zero. [2021-08-27 15:18:41,428 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:41,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:41,429 INFO L229 MonitoredProcess]: Starting monitored process 89 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 15:18:41,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-08-27 15:18:41,431 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:18:41,439 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 15:18:41,439 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:18:41,439 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~nc_A~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~nc_A~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-08-27 15:18:41,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-08-27 15:18:41,525 INFO L297 tatePredicateManager]: 32 out of 32 supporting invariants were superfluous and have been removed [2021-08-27 15:18:41,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:18:41,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:18:41,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:18:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:18:41,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:18:41,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:18:41,678 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 15:18:41,679 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-08-27 15:18:41,679 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 43 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:41,700 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 43 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 49 transitions. Complement of second has 5 states. [2021-08-27 15:18:41,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-27 15:18:41,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:41,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2021-08-27 15:18:41,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 38 letters. Loop has 2 letters. [2021-08-27 15:18:41,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:18:41,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 40 letters. Loop has 2 letters. [2021-08-27 15:18:41,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:18:41,702 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 38 letters. Loop has 4 letters. [2021-08-27 15:18:41,702 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:18:41,702 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 49 transitions. [2021-08-27 15:18:41,702 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 15:18:41,702 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 44 states and 49 transitions. [2021-08-27 15:18:41,702 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2021-08-27 15:18:41,703 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2021-08-27 15:18:41,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 49 transitions. [2021-08-27 15:18:41,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:18:41,703 INFO L681 BuchiCegarLoop]: Abstraction has 44 states and 49 transitions. [2021-08-27 15:18:41,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states and 49 transitions. [2021-08-27 15:18:41,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2021-08-27 15:18:41,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.1136363636363635) internal successors, (49), 43 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:41,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2021-08-27 15:18:41,704 INFO L704 BuchiCegarLoop]: Abstraction has 44 states and 49 transitions. [2021-08-27 15:18:41,704 INFO L587 BuchiCegarLoop]: Abstraction has 44 states and 49 transitions. [2021-08-27 15:18:41,704 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-08-27 15:18:41,704 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 49 transitions. [2021-08-27 15:18:41,705 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 15:18:41,705 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:18:41,705 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:18:41,705 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:18:41,705 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:18:41,706 INFO L791 eck$LassoCheckResult]: Stem: 2035#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 2036#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 2047#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2044#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2045#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2057#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2072#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2071#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2070#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2069#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2068#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2067#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2066#L33-3 assume !(main_~i~0 < 5); 2041#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 2042#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 2056#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2033#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2034#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2065#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2064#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2063#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2062#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2061#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2060#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2059#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2058#L37-3 assume !(main_~i~0 < 5); 2052#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 2053#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 2046#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 2031#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 2032#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 2029#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 2030#L42-4 main_~nc_B~0 := 0; 2054#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 2039#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 2040#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 2037#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 2038#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 2043#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 2048#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 2049#L55-2 [2021-08-27 15:18:41,706 INFO L793 eck$LassoCheckResult]: Loop: 2049#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 2055#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 2049#L55-2 [2021-08-27 15:18:41,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:41,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1838818643, now seen corresponding path program 1 times [2021-08-27 15:18:41,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:41,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300944292] [2021-08-27 15:18:41,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:41,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:41,718 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:41,732 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:41,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:41,732 INFO L82 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 4 times [2021-08-27 15:18:41,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:41,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090835079] [2021-08-27 15:18:41,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:41,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:41,735 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:41,737 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:41,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:41,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1873154672, now seen corresponding path program 1 times [2021-08-27 15:18:41,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:41,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803458005] [2021-08-27 15:18:41,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:41,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:18:41,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:41,796 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-08-27 15:18:41,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:18:41,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803458005] [2021-08-27 15:18:41,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803458005] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:18:41,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081090125] [2021-08-27 15:18:41,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:41,797 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 15:18:41,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:41,821 INFO L229 MonitoredProcess]: Starting monitored process 90 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 15:18:41,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (90)] Waiting until timeout for monitored process [2021-08-27 15:18:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:18:41,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 15:18:41,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:18:42,129 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-08-27 15:18:42,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081090125] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:18:42,129 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 15:18:42,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12 [2021-08-27 15:18:42,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947072458] [2021-08-27 15:18:42,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:18:42,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-27 15:18:42,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-08-27 15:18:42,192 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. cyclomatic complexity: 9 Second operand has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:42,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:18:42,317 INFO L93 Difference]: Finished difference Result 69 states and 75 transitions. [2021-08-27 15:18:42,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-27 15:18:42,317 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 75 transitions. [2021-08-27 15:18:42,318 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 15:18:42,318 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 47 states and 52 transitions. [2021-08-27 15:18:42,318 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2021-08-27 15:18:42,318 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2021-08-27 15:18:42,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 52 transitions. [2021-08-27 15:18:42,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:18:42,319 INFO L681 BuchiCegarLoop]: Abstraction has 47 states and 52 transitions. [2021-08-27 15:18:42,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 52 transitions. [2021-08-27 15:18:42,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2021-08-27 15:18:42,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.108695652173913) internal successors, (51), 45 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:42,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2021-08-27 15:18:42,320 INFO L704 BuchiCegarLoop]: Abstraction has 46 states and 51 transitions. [2021-08-27 15:18:42,320 INFO L587 BuchiCegarLoop]: Abstraction has 46 states and 51 transitions. [2021-08-27 15:18:42,320 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-08-27 15:18:42,320 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 51 transitions. [2021-08-27 15:18:42,321 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 15:18:42,321 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:18:42,321 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:18:42,321 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:18:42,321 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:18:42,322 INFO L791 eck$LassoCheckResult]: Stem: 2298#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 2299#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 2311#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2307#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2308#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2337#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2336#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2335#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2334#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2333#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2332#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2331#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2330#L33-3 assume !(main_~i~0 < 5); 2304#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 2305#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 2320#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2296#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2297#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2329#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2328#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2327#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2326#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2325#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2324#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2323#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2322#L37-3 assume !(main_~i~0 < 5); 2316#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 2317#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 2309#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 2294#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 2295#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 2310#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 2321#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 2292#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 2293#L42-4 main_~nc_B~0 := 0; 2318#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 2302#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 2303#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 2300#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 2301#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 2306#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 2312#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 2313#L55-2 [2021-08-27 15:18:42,322 INFO L793 eck$LassoCheckResult]: Loop: 2313#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 2319#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 2313#L55-2 [2021-08-27 15:18:42,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:42,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1199867054, now seen corresponding path program 2 times [2021-08-27 15:18:42,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:42,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081687477] [2021-08-27 15:18:42,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:42,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:18:42,364 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-08-27 15:18:42,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:18:42,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081687477] [2021-08-27 15:18:42,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081687477] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:18:42,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401827141] [2021-08-27 15:18:42,365 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-27 15:18:42,365 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 15:18:42,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:42,369 INFO L229 MonitoredProcess]: Starting monitored process 91 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 15:18:42,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Waiting until timeout for monitored process [2021-08-27 15:18:42,525 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-27 15:18:42,525 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-27 15:18:42,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 15:18:42,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:18:42,661 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-08-27 15:18:42,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401827141] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:18:42,662 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 15:18:42,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-08-27 15:18:42,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595653560] [2021-08-27 15:18:42,662 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:18:42,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:42,663 INFO L82 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 5 times [2021-08-27 15:18:42,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:42,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204577762] [2021-08-27 15:18:42,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:42,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:42,666 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:42,667 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:42,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:18:42,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-27 15:18:42,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-08-27 15:18:42,730 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. cyclomatic complexity: 9 Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:42,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:18:42,764 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2021-08-27 15:18:42,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-27 15:18:42,765 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 57 transitions. [2021-08-27 15:18:42,765 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 15:18:42,766 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 50 states and 55 transitions. [2021-08-27 15:18:42,766 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2021-08-27 15:18:42,766 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2021-08-27 15:18:42,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 55 transitions. [2021-08-27 15:18:42,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:18:42,766 INFO L681 BuchiCegarLoop]: Abstraction has 50 states and 55 transitions. [2021-08-27 15:18:42,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 55 transitions. [2021-08-27 15:18:42,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2021-08-27 15:18:42,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 47 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:42,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2021-08-27 15:18:42,768 INFO L704 BuchiCegarLoop]: Abstraction has 48 states and 53 transitions. [2021-08-27 15:18:42,768 INFO L587 BuchiCegarLoop]: Abstraction has 48 states and 53 transitions. [2021-08-27 15:18:42,768 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-08-27 15:18:42,768 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 53 transitions. [2021-08-27 15:18:42,768 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 15:18:42,768 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:18:42,768 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:18:42,769 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:18:42,769 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:18:42,769 INFO L791 eck$LassoCheckResult]: Stem: 2532#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 2533#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 2543#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2541#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2542#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2573#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2572#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2570#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2568#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2566#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2564#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2562#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2560#L33-3 assume !(main_~i~0 < 5); 2538#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 2539#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 2556#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2530#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2531#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2571#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2569#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2567#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2565#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2563#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2561#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2559#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2558#L37-3 assume !(main_~i~0 < 5); 2550#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 2551#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 2544#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 2528#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 2529#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 2545#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 2557#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 2526#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 2527#L42-4 main_~nc_B~0 := 0; 2552#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 2553#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 2554#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 2536#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 2537#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 2534#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 2535#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 2540#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 2546#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 2547#L55-2 [2021-08-27 15:18:42,769 INFO L793 eck$LassoCheckResult]: Loop: 2547#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 2555#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 2547#L55-2 [2021-08-27 15:18:42,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:42,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1976327923, now seen corresponding path program 3 times [2021-08-27 15:18:42,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:42,770 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845896753] [2021-08-27 15:18:42,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:42,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:42,783 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:42,806 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:42,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:42,807 INFO L82 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 6 times [2021-08-27 15:18:42,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:42,807 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431320509] [2021-08-27 15:18:42,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:42,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:42,810 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:42,811 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:42,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:42,812 INFO L82 PathProgramCache]: Analyzing trace with hash -875586576, now seen corresponding path program 2 times [2021-08-27 15:18:42,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:42,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209591308] [2021-08-27 15:18:42,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:42,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:42,825 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:42,842 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:49,081 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:18:49,081 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:18:49,081 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:18:49,081 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:18:49,081 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:18:49,081 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:49,082 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:18:49,082 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:18:49,082 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration15_Lasso [2021-08-27 15:18:49,082 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:18:49,082 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:18:49,100 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 15:18:49,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:18:49,112 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 15:18:49,114 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 15:18:49,116 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 15:18:49,118 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 15:18:49,120 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 15:18:49,122 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 15:18:50,358 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 15:18:50,361 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 15:18:50,363 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 15:18:50,365 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 15:18:50,367 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 15:18:50,369 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 15:18:50,371 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 15:18:50,373 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 15:18:50,375 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 15:18:50,377 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 15:18:50,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:18:50,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:18:51,141 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:18:51,141 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:18:51,141 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:51,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:51,142 INFO L229 MonitoredProcess]: Starting monitored process 92 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 15:18:51,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-08-27 15:18:51,144 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 15:18:51,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:51,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:51,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:51,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:51,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:51,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:51,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:51,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:51,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:51,180 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:51,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:51,181 INFO L229 MonitoredProcess]: Starting monitored process 93 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 15:18:51,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-08-27 15:18:51,183 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 15:18:51,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:51,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:51,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:51,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:51,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:51,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:51,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:51,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:51,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:51,220 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:51,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:51,221 INFO L229 MonitoredProcess]: Starting monitored process 94 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 15:18:51,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-08-27 15:18:51,223 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 15:18:51,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:51,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:51,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:51,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:51,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:51,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:51,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:51,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:51,257 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-08-27 15:18:51,257 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:51,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:51,258 INFO L229 MonitoredProcess]: Starting monitored process 95 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 15:18:51,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-08-27 15:18:51,260 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 15:18:51,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:51,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:51,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:51,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:51,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:51,267 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:51,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:51,281 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:51,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-08-27 15:18:51,297 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:51,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:51,298 INFO L229 MonitoredProcess]: Starting monitored process 96 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 15:18:51,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-08-27 15:18:51,300 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 15:18:51,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:51,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:51,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:51,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:51,307 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:51,308 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:51,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:51,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:51,337 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:51,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:51,338 INFO L229 MonitoredProcess]: Starting monitored process 97 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 15:18:51,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-08-27 15:18:51,340 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 15:18:51,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:51,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:51,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:51,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:51,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:51,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:51,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:51,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:51,377 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:51,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:51,378 INFO L229 MonitoredProcess]: Starting monitored process 98 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 15:18:51,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-08-27 15:18:51,380 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 15:18:51,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:51,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:51,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:51,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:51,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:51,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:51,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:51,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:51,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:51,416 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:51,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:51,417 INFO L229 MonitoredProcess]: Starting monitored process 99 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 15:18:51,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-08-27 15:18:51,462 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 15:18:51,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:51,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:51,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:51,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:51,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:51,469 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:51,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:51,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:51,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:51,495 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:51,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:51,496 INFO L229 MonitoredProcess]: Starting monitored process 100 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 15:18:51,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-08-27 15:18:51,498 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 15:18:51,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:51,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:51,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:51,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:51,506 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:51,506 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:51,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:51,523 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-08-27 15:18:51,524 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:51,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:51,524 INFO L229 MonitoredProcess]: Starting monitored process 101 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 15:18:51,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-08-27 15:18:51,526 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 15:18:51,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:51,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:51,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:51,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:51,534 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:51,534 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:51,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:51,551 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-08-27 15:18:51,552 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:51,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:51,552 INFO L229 MonitoredProcess]: Starting monitored process 102 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 15:18:51,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-08-27 15:18:51,554 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 15:18:51,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:51,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:51,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:51,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:51,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:51,561 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:51,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:51,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:51,591 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-08-27 15:18:51,593 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:51,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:51,593 INFO L229 MonitoredProcess]: Starting monitored process 103 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 15:18:51,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-08-27 15:18:51,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:18:51,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:51,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:51,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:51,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:51,603 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:51,603 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:51,605 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:51,620 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-08-27 15:18:51,620 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:51,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:51,621 INFO L229 MonitoredProcess]: Starting monitored process 104 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 15:18:51,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-08-27 15:18:51,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:18:51,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:51,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:51,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:51,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:51,635 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:51,635 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:51,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:51,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:51,653 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:51,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:51,654 INFO L229 MonitoredProcess]: Starting monitored process 105 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 15:18:51,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-08-27 15:18:51,657 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 15:18:51,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:51,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:18:51,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:51,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:51,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:51,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:18:51,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:18:51,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:51,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-08-27 15:18:51,682 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:51,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:51,682 INFO L229 MonitoredProcess]: Starting monitored process 106 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 15:18:51,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-08-27 15:18:51,684 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 15:18:51,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:51,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:51,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:51,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:51,693 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:51,693 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:51,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:51,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:51,717 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:51,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:51,717 INFO L229 MonitoredProcess]: Starting monitored process 107 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 15:18:51,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-08-27 15:18:51,719 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 15:18:51,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:51,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:51,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:51,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:51,728 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:51,728 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:51,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:51,764 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-08-27 15:18:51,764 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:51,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:51,765 INFO L229 MonitoredProcess]: Starting monitored process 108 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 15:18:51,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-08-27 15:18:51,768 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 15:18:51,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:51,775 INFO L203 nArgumentSynthesizer]: 12 stem disjuncts [2021-08-27 15:18:51,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:51,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:51,792 INFO L401 nArgumentSynthesizer]: We have 28 Motzkin's Theorem applications. [2021-08-27 15:18:51,792 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:51,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:51,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-08-27 15:18:51,826 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:51,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:51,827 INFO L229 MonitoredProcess]: Starting monitored process 109 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 15:18:51,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-08-27 15:18:51,829 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 15:18:51,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:51,835 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-08-27 15:18:51,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:51,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:51,837 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-08-27 15:18:51,837 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:51,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:51,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-08-27 15:18:51,855 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:51,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:51,856 INFO L229 MonitoredProcess]: Starting monitored process 110 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 15:18:51,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-08-27 15:18:51,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:18:51,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:51,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:51,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:51,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:51,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:51,868 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:51,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:51,890 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-08-27 15:18:51,890 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:51,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:51,891 INFO L229 MonitoredProcess]: Starting monitored process 111 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 15:18:51,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-08-27 15:18:51,893 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 15:18:51,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:51,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:51,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:51,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:51,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:51,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:51,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:51,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:51,932 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:51,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:51,933 INFO L229 MonitoredProcess]: Starting monitored process 112 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 15:18:51,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-08-27 15:18:51,935 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 15:18:51,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:51,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:51,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:51,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:51,943 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:51,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:51,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:18:51,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:51,974 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:51,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:51,974 INFO L229 MonitoredProcess]: Starting monitored process 113 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 15:18:51,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-08-27 15:18:51,976 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 15:18:51,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:18:51,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:18:51,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:18:51,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:18:51,990 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:18:51,991 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:18:52,006 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:18:52,054 INFO L443 ModelExtractionUtils]: Simplification made 24 calls to the SMT solver. [2021-08-27 15:18:52,054 INFO L444 ModelExtractionUtils]: 1 out of 31 variables were initially zero. Simplification set additionally 27 variables to zero. [2021-08-27 15:18:52,054 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:52,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:52,055 INFO L229 MonitoredProcess]: Starting monitored process 114 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 15:18:52,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-08-27 15:18:52,057 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:18:52,064 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 15:18:52,065 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:18:52,065 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, v_rep(select #length ULTIMATE.start_main_~#string_B~0.base)_5) = -2*ULTIMATE.start_main_~i~0 + 3*v_rep(select #length ULTIMATE.start_main_~#string_B~0.base)_5 Supporting invariants [] [2021-08-27 15:18:52,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:52,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2021-08-27 15:18:52,318 INFO L297 tatePredicateManager]: 60 out of 62 supporting invariants were superfluous and have been removed [2021-08-27 15:18:52,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:18:52,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-27 15:18:52,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:18:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:18:52,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-27 15:18:52,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:18:52,965 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 15:18:52,965 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2021-08-27 15:18:52,966 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 48 states and 53 transitions. cyclomatic complexity: 9 Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:53,035 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 48 states and 53 transitions. cyclomatic complexity: 9. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 70 states and 82 transitions. Complement of second has 11 states. [2021-08-27 15:18:53,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 6 stem states 1 non-accepting loop states 2 accepting loop states [2021-08-27 15:18:53,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:53,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 40 transitions. [2021-08-27 15:18:53,036 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 40 transitions. Stem has 44 letters. Loop has 2 letters. [2021-08-27 15:18:53,036 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:18:53,037 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 40 transitions. Stem has 46 letters. Loop has 2 letters. [2021-08-27 15:18:53,037 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:18:53,044 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 40 transitions. Stem has 44 letters. Loop has 4 letters. [2021-08-27 15:18:53,044 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:18:53,044 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 82 transitions. [2021-08-27 15:18:53,045 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 15:18:53,045 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 70 states and 82 transitions. [2021-08-27 15:18:53,045 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 47 [2021-08-27 15:18:53,045 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 49 [2021-08-27 15:18:53,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 70 states and 82 transitions. [2021-08-27 15:18:53,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:18:53,046 INFO L681 BuchiCegarLoop]: Abstraction has 70 states and 82 transitions. [2021-08-27 15:18:53,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states and 82 transitions. [2021-08-27 15:18:53,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 63. [2021-08-27 15:18:53,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 63 states have (on average 1.1428571428571428) internal successors, (72), 62 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:53,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 72 transitions. [2021-08-27 15:18:53,047 INFO L704 BuchiCegarLoop]: Abstraction has 63 states and 72 transitions. [2021-08-27 15:18:53,048 INFO L587 BuchiCegarLoop]: Abstraction has 63 states and 72 transitions. [2021-08-27 15:18:53,048 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-08-27 15:18:53,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 72 transitions. [2021-08-27 15:18:53,048 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 15:18:53,048 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:18:53,048 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:18:53,049 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:18:53,049 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:18:53,049 INFO L791 eck$LassoCheckResult]: Stem: 3082#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 3083#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 3093#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 3091#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 3092#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 3106#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 3118#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 3116#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 3114#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 3112#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 3110#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 3108#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 3107#L33-3 assume !(main_~i~0 < 5); 3088#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 3089#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 3105#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 3080#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 3081#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 3121#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 3120#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 3119#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 3117#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 3115#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 3113#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 3111#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 3109#L37-3 assume !(main_~i~0 < 5); 3100#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 3101#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 3094#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 3078#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 3079#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 3095#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 3138#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 3137#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 3136#L42-4 main_~nc_B~0 := 0; 3135#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 3134#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 3133#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 3132#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 3131#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 3130#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 3129#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 3128#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 3125#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 3090#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 3096#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 3097#L55-2 [2021-08-27 15:18:53,049 INFO L793 eck$LassoCheckResult]: Loop: 3097#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 3102#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 3097#L55-2 [2021-08-27 15:18:53,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:53,049 INFO L82 PathProgramCache]: Analyzing trace with hash -875586574, now seen corresponding path program 4 times [2021-08-27 15:18:53,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:53,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333454408] [2021-08-27 15:18:53,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:53,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:53,096 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:53,132 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:53,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:53,132 INFO L82 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 7 times [2021-08-27 15:18:53,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:53,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772004259] [2021-08-27 15:18:53,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:53,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:53,137 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:53,139 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:53,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:53,139 INFO L82 PathProgramCache]: Analyzing trace with hash 374894997, now seen corresponding path program 3 times [2021-08-27 15:18:53,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:53,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195704965] [2021-08-27 15:18:53,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:53,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:18:53,228 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-08-27 15:18:53,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:18:53,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195704965] [2021-08-27 15:18:53,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195704965] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:18:53,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319946389] [2021-08-27 15:18:53,229 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-27 15:18:53,229 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 15:18:53,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:18:53,249 INFO L229 MonitoredProcess]: Starting monitored process 115 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 15:18:53,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (115)] Waiting until timeout for monitored process [2021-08-27 15:18:53,515 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-27 15:18:53,515 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-27 15:18:53,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-27 15:18:53,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:18:53,693 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-08-27 15:18:53,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [319946389] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:18:53,694 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 15:18:53,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-08-27 15:18:53,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254630739] [2021-08-27 15:18:53,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:18:53,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-27 15:18:53,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-08-27 15:18:53,776 INFO L87 Difference]: Start difference. First operand 63 states and 72 transitions. cyclomatic complexity: 15 Second operand has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 14 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:54,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:18:54,038 INFO L93 Difference]: Finished difference Result 95 states and 108 transitions. [2021-08-27 15:18:54,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-27 15:18:54,039 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 95 states and 108 transitions. [2021-08-27 15:18:54,039 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 15:18:54,040 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 95 states to 54 states and 59 transitions. [2021-08-27 15:18:54,040 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2021-08-27 15:18:54,040 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2021-08-27 15:18:54,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 59 transitions. [2021-08-27 15:18:54,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:18:54,040 INFO L681 BuchiCegarLoop]: Abstraction has 54 states and 59 transitions. [2021-08-27 15:18:54,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 59 transitions. [2021-08-27 15:18:54,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 52. [2021-08-27 15:18:54,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.0961538461538463) internal successors, (57), 51 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:18:54,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2021-08-27 15:18:54,042 INFO L704 BuchiCegarLoop]: Abstraction has 52 states and 57 transitions. [2021-08-27 15:18:54,042 INFO L587 BuchiCegarLoop]: Abstraction has 52 states and 57 transitions. [2021-08-27 15:18:54,042 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-08-27 15:18:54,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 57 transitions. [2021-08-27 15:18:54,043 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 15:18:54,043 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:18:54,043 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:18:54,043 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:18:54,043 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:18:54,044 INFO L791 eck$LassoCheckResult]: Stem: 3420#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 3421#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 3434#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 3429#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 3430#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 3461#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 3459#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 3457#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 3455#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 3453#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 3451#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 3450#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 3449#L33-3 assume !(main_~i~0 < 5); 3426#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 3427#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 3445#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 3418#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 3419#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 3464#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 3463#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 3462#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 3460#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 3458#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 3456#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 3454#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 3452#L37-3 assume !(main_~i~0 < 5); 3439#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 3440#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 3431#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 3432#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 3433#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 3416#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 3417#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 3447#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 3446#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 3414#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 3415#L42-4 main_~nc_B~0 := 0; 3441#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 3424#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 3425#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 3465#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 3442#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 3443#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 3448#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 3422#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 3423#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 3428#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 3435#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 3436#L55-2 [2021-08-27 15:18:54,044 INFO L793 eck$LassoCheckResult]: Loop: 3436#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 3444#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 3436#L55-2 [2021-08-27 15:18:54,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:54,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1312494829, now seen corresponding path program 5 times [2021-08-27 15:18:54,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:54,044 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777728468] [2021-08-27 15:18:54,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:54,044 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:54,061 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:54,074 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:54,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:54,075 INFO L82 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 8 times [2021-08-27 15:18:54,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:54,075 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008359844] [2021-08-27 15:18:54,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:54,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:54,078 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:54,079 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:54,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:18:54,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1412851760, now seen corresponding path program 4 times [2021-08-27 15:18:54,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:18:54,080 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245241562] [2021-08-27 15:18:54,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:18:54,080 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:18:54,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:54,099 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:18:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:18:54,117 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:18:58,790 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:18:58,790 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:18:58,790 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:18:58,790 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:18:58,790 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:18:58,790 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:18:58,790 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:18:58,790 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:18:58,790 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration17_Lasso [2021-08-27 15:18:58,790 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:18:58,790 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:18:58,792 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 15:18:58,794 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 15:18:58,796 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 15:18:58,798 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 15:18:58,800 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 15:18:58,801 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 15:18:58,803 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 15:18:58,805 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 15:18:58,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:18:59,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:18:59,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:18:59,666 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 15:18:59,668 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 15:18:59,670 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 15:18:59,671 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 15:18:59,673 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 15:18:59,675 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 15:18:59,677 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 15:18:59,678 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 15:18:59,680 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 15:19:00,378 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:19:00,378 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:19:00,378 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:00,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:00,379 INFO L229 MonitoredProcess]: Starting monitored process 116 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 15:19:00,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-08-27 15:19:00,421 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 15:19:00,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:00,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:00,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:00,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:00,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:00,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:00,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:00,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:00,458 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:00,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:00,459 INFO L229 MonitoredProcess]: Starting monitored process 117 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 15:19:00,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-08-27 15:19:00,461 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 15:19:00,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:00,468 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:00,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:00,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:00,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:00,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:00,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:00,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:00,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:00,498 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:00,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:00,498 INFO L229 MonitoredProcess]: Starting monitored process 118 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 15:19:00,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-08-27 15:19:00,500 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 15:19:00,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:00,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:00,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:00,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:00,508 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:00,508 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:00,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:00,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:00,539 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:00,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:00,539 INFO L229 MonitoredProcess]: Starting monitored process 119 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 15:19:00,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-08-27 15:19:00,541 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 15:19:00,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:00,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:00,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:00,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:00,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:00,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:00,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:00,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:00,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:00,578 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:00,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:00,579 INFO L229 MonitoredProcess]: Starting monitored process 120 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 15:19:00,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-08-27 15:19:00,581 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 15:19:00,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:00,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:00,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:00,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:00,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:00,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:00,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:00,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:00,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:00,615 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:00,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:00,616 INFO L229 MonitoredProcess]: Starting monitored process 121 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 15:19:00,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-08-27 15:19:00,618 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 15:19:00,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:00,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:00,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:00,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:00,626 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:00,626 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:00,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:00,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:00,651 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:00,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:00,652 INFO L229 MonitoredProcess]: Starting monitored process 122 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 15:19:00,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-08-27 15:19:00,654 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 15:19:00,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:00,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:00,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:00,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:00,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:00,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:00,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:00,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:00,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:00,680 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:00,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:00,681 INFO L229 MonitoredProcess]: Starting monitored process 123 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 15:19:00,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-08-27 15:19:00,683 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 15:19:00,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:00,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:00,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:00,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:00,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:00,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:00,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:00,705 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:00,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:00,721 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:00,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:00,722 INFO L229 MonitoredProcess]: Starting monitored process 124 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 15:19:00,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-08-27 15:19:00,724 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 15:19:00,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:00,731 INFO L203 nArgumentSynthesizer]: 12 stem disjuncts [2021-08-27 15:19:00,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:00,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:00,746 INFO L401 nArgumentSynthesizer]: We have 28 Motzkin's Theorem applications. [2021-08-27 15:19:00,746 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:00,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:00,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:00,781 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:00,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:00,782 INFO L229 MonitoredProcess]: Starting monitored process 125 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 15:19:00,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-08-27 15:19:00,784 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 15:19:00,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:00,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:00,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:00,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:00,792 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:00,792 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:00,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:00,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:00,822 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:00,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:00,823 INFO L229 MonitoredProcess]: Starting monitored process 126 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 15:19:00,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-08-27 15:19:00,825 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 15:19:00,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:00,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:00,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:00,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:00,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:00,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:00,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:00,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:00,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:00,850 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:00,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:00,851 INFO L229 MonitoredProcess]: Starting monitored process 127 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 15:19:00,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-08-27 15:19:00,896 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 15:19:00,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:00,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:00,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:00,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:00,904 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:00,904 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:00,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:00,930 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2021-08-27 15:19:00,931 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:00,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:00,932 INFO L229 MonitoredProcess]: Starting monitored process 128 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 15:19:00,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-08-27 15:19:00,935 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 15:19:00,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:00,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:00,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:00,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:00,943 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:00,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:00,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:00,978 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Ended with exit code 0 [2021-08-27 15:19:00,978 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:00,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:00,979 INFO L229 MonitoredProcess]: Starting monitored process 129 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 15:19:00,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-08-27 15:19:00,981 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 15:19:00,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:00,987 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-08-27 15:19:00,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:00,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:00,988 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-08-27 15:19:00,988 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:00,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:01,006 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Ended with exit code 0 [2021-08-27 15:19:01,007 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:01,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:01,007 INFO L229 MonitoredProcess]: Starting monitored process 130 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 15:19:01,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-08-27 15:19:01,010 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 15:19:01,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:01,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:01,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:01,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:01,017 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:01,018 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:01,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:01,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:01,037 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:01,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:01,038 INFO L229 MonitoredProcess]: Starting monitored process 131 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 15:19:01,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-08-27 15:19:01,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:01,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:01,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:01,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:01,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:01,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:01,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:01,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:01,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:01,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Ended with exit code 0 [2021-08-27 15:19:01,064 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:01,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:01,065 INFO L229 MonitoredProcess]: Starting monitored process 132 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 15:19:01,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-08-27 15:19:01,067 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 15:19:01,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:01,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:01,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:01,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:01,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:01,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:01,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:01,088 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:01,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:01,103 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:01,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:01,104 INFO L229 MonitoredProcess]: Starting monitored process 133 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 15:19:01,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-08-27 15:19:01,106 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 15:19:01,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:01,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:01,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:01,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:01,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:01,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:01,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:01,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:01,149 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:01,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:01,150 INFO L229 MonitoredProcess]: Starting monitored process 134 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 15:19:01,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2021-08-27 15:19:01,152 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 15:19:01,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:01,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:01,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:01,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:01,160 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:01,160 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:01,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:01,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:01,190 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:01,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:01,191 INFO L229 MonitoredProcess]: Starting monitored process 135 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 15:19:01,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-08-27 15:19:01,193 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 15:19:01,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:01,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:01,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:01,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:01,219 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:01,219 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:01,242 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:19:01,281 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2021-08-27 15:19:01,282 INFO L444 ModelExtractionUtils]: 2 out of 31 variables were initially zero. Simplification set additionally 25 variables to zero. [2021-08-27 15:19:01,282 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:01,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:01,292 INFO L229 MonitoredProcess]: Starting monitored process 136 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 15:19:01,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-08-27 15:19:01,331 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:19:01,365 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 15:19:01,365 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:19:01,365 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~#string_B~0.offset, v_rep(select #length ULTIMATE.start_main_~#string_B~0.base)_6) = -1*ULTIMATE.start_main_~j~0 - 1*ULTIMATE.start_main_~#string_B~0.offset + 1*v_rep(select #length ULTIMATE.start_main_~#string_B~0.base)_6 Supporting invariants [] [2021-08-27 15:19:01,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:01,674 INFO L297 tatePredicateManager]: 76 out of 76 supporting invariants were superfluous and have been removed [2021-08-27 15:19:01,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:01,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:19:01,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:01,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:19:01,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:01,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:01,852 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-08-27 15:19:01,852 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 57 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:01,863 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 57 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 56 states and 63 transitions. Complement of second has 5 states. [2021-08-27 15:19:01,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-27 15:19:01,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:01,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 25 transitions. [2021-08-27 15:19:01,864 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 48 letters. Loop has 2 letters. [2021-08-27 15:19:01,864 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:01,865 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 50 letters. Loop has 2 letters. [2021-08-27 15:19:01,865 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:01,865 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 48 letters. Loop has 4 letters. [2021-08-27 15:19:01,865 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:01,866 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 63 transitions. [2021-08-27 15:19:01,866 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 15:19:01,867 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 56 states and 63 transitions. [2021-08-27 15:19:01,867 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2021-08-27 15:19:01,867 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40 [2021-08-27 15:19:01,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 63 transitions. [2021-08-27 15:19:01,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:19:01,867 INFO L681 BuchiCegarLoop]: Abstraction has 56 states and 63 transitions. [2021-08-27 15:19:01,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 63 transitions. [2021-08-27 15:19:01,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2021-08-27 15:19:01,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 56 states have (on average 1.125) internal successors, (63), 55 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:01,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 63 transitions. [2021-08-27 15:19:01,875 INFO L704 BuchiCegarLoop]: Abstraction has 56 states and 63 transitions. [2021-08-27 15:19:01,875 INFO L587 BuchiCegarLoop]: Abstraction has 56 states and 63 transitions. [2021-08-27 15:19:01,875 INFO L425 BuchiCegarLoop]: ======== Iteration 18============ [2021-08-27 15:19:01,875 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states and 63 transitions. [2021-08-27 15:19:01,875 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 15:19:01,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:01,876 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:01,881 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:19:01,881 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:19:01,881 INFO L791 eck$LassoCheckResult]: Stem: 4003#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 4004#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 4014#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 4012#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 4013#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 4041#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 4040#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 4038#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 4037#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 4036#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 4035#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 4034#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 4032#L33-3 assume !(main_~i~0 < 5); 4009#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 4010#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 4027#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 4001#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 4002#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 4049#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 4048#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 4047#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 4046#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 4045#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 4044#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 4043#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 4042#L37-3 assume !(main_~i~0 < 5); 4021#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 4022#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 4015#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 3999#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 4000#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 4016#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 4039#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 4029#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 4028#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 3997#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 3998#L42-4 main_~nc_B~0 := 0; 4023#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 4007#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 4008#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 4024#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 4033#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 4031#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 4030#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 4005#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 4006#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 4011#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 4017#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 4018#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 4050#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 4025#L55-2 [2021-08-27 15:19:01,881 INFO L793 eck$LassoCheckResult]: Loop: 4025#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 4026#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 4025#L55-2 [2021-08-27 15:19:01,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:01,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1412851758, now seen corresponding path program 6 times [2021-08-27 15:19:01,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:01,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750370393] [2021-08-27 15:19:01,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:01,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:01,909 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:01,926 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:01,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:01,927 INFO L82 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 9 times [2021-08-27 15:19:01,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:01,927 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104332870] [2021-08-27 15:19:01,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:01,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:01,930 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:01,931 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:01,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:01,932 INFO L82 PathProgramCache]: Analyzing trace with hash -540871307, now seen corresponding path program 5 times [2021-08-27 15:19:01,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:01,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547473782] [2021-08-27 15:19:01,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:01,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:01,952 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:01,984 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:02,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:07,763 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:19:07,763 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:19:07,763 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:19:07,763 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:19:07,764 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:19:07,764 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:07,764 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:19:07,764 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:19:07,764 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration18_Lasso [2021-08-27 15:19:07,764 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:19:07,764 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:19:07,766 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 15:19:07,768 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 15:19:07,770 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 15:19:07,771 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 15:19:07,773 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 15:19:07,775 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 15:19:07,777 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 15:19:07,778 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 15:19:07,781 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 15:19:08,737 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 15:19:08,739 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 15:19:08,740 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 15:19:08,742 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 15:19:08,743 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 15:19:08,745 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 15:19:08,746 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 15:19:08,748 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 15:19:08,750 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 15:19:08,752 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 15:19:08,753 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 15:19:08,971 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-08-27 15:19:10,466 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:19:10,467 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:19:10,467 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:10,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:10,467 INFO L229 MonitoredProcess]: Starting monitored process 137 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 15:19:10,489 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 15:19:10,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:10,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:10,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:10,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:10,497 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:10,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:10,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-08-27 15:19:10,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:10,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:10,523 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:10,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:10,524 INFO L229 MonitoredProcess]: Starting monitored process 138 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 15:19:10,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-08-27 15:19:10,526 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 15:19:10,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:10,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:10,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:10,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:10,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:10,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:10,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:10,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:10,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:10,550 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:10,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:10,551 INFO L229 MonitoredProcess]: Starting monitored process 139 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 15:19:10,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-08-27 15:19:10,553 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 15:19:10,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:10,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:10,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:10,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:10,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:10,559 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:10,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:10,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:10,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:10,589 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:10,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:10,590 INFO L229 MonitoredProcess]: Starting monitored process 140 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 15:19:10,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-08-27 15:19:10,592 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 15:19:10,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:10,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:10,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:10,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:10,600 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:10,600 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:10,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:10,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:10,629 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:10,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:10,630 INFO L229 MonitoredProcess]: Starting monitored process 141 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 15:19:10,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-08-27 15:19:10,632 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 15:19:10,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:10,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:10,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:10,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:10,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:10,639 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:10,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:10,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:10,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:10,668 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:10,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:10,669 INFO L229 MonitoredProcess]: Starting monitored process 142 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 15:19:10,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2021-08-27 15:19:10,671 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 15:19:10,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:10,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:10,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:10,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:10,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:10,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:10,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:10,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:10,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:10,707 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:10,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:10,708 INFO L229 MonitoredProcess]: Starting monitored process 143 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 15:19:10,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2021-08-27 15:19:10,710 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 15:19:10,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:10,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:10,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:10,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:10,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:10,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:10,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:10,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:10,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:10,733 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:10,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:10,734 INFO L229 MonitoredProcess]: Starting monitored process 144 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 15:19:10,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2021-08-27 15:19:10,736 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 15:19:10,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:10,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:10,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:10,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:10,744 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:10,744 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:10,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:10,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:10,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:10,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:10,763 INFO L229 MonitoredProcess]: Starting monitored process 145 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 15:19:10,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-08-27 15:19:10,765 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 15:19:10,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:10,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:10,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:10,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:10,774 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:10,774 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:10,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:10,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:10,792 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:10,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:10,793 INFO L229 MonitoredProcess]: Starting monitored process 146 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 15:19:10,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2021-08-27 15:19:10,795 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 15:19:10,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:10,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:10,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:10,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:10,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:10,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:10,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:10,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:10,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:10,819 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:10,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:10,820 INFO L229 MonitoredProcess]: Starting monitored process 147 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 15:19:10,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2021-08-27 15:19:10,821 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 15:19:10,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:10,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:10,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:10,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:10,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:10,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:10,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:10,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:10,860 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Ended with exit code 0 [2021-08-27 15:19:10,861 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:10,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:10,861 INFO L229 MonitoredProcess]: Starting monitored process 148 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 15:19:10,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2021-08-27 15:19:10,864 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 15:19:10,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:10,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:10,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:10,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:10,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:10,871 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:10,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:10,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:10,889 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:10,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:10,890 INFO L229 MonitoredProcess]: Starting monitored process 149 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 15:19:10,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2021-08-27 15:19:10,893 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 15:19:10,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:10,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:10,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:10,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:10,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:10,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:10,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:10,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:10,932 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:10,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:10,933 INFO L229 MonitoredProcess]: Starting monitored process 150 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 15:19:10,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2021-08-27 15:19:10,935 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 15:19:10,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:10,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:10,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:10,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:10,943 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:10,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:10,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:10,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:10,974 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:10,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:10,975 INFO L229 MonitoredProcess]: Starting monitored process 151 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 15:19:10,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2021-08-27 15:19:10,979 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 15:19:10,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:10,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:10,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:10,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:10,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:10,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:10,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:11,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:11,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:11,016 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:11,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:11,017 INFO L229 MonitoredProcess]: Starting monitored process 152 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 15:19:11,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2021-08-27 15:19:11,020 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:11,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:11,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:11,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:11,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:11,027 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:11,027 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:11,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:11,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:11,058 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:11,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:11,060 INFO L229 MonitoredProcess]: Starting monitored process 153 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 15:19:11,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2021-08-27 15:19:11,062 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 15:19:11,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:11,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:11,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:11,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:11,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:11,077 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:11,092 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:19:11,123 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2021-08-27 15:19:11,123 INFO L444 ModelExtractionUtils]: 3 out of 31 variables were initially zero. Simplification set additionally 23 variables to zero. [2021-08-27 15:19:11,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:11,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:11,130 INFO L229 MonitoredProcess]: Starting monitored process 154 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 15:19:11,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2021-08-27 15:19:11,132 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:19:11,140 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-08-27 15:19:11,140 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:19:11,140 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, v_rep(select #length ULTIMATE.start_main_~#string_B~0.base)_7) = -5*ULTIMATE.start_main_~i~0 + 3*v_rep(select #length ULTIMATE.start_main_~#string_B~0.base)_7 Supporting invariants [3*v_rep(select #length ULTIMATE.start_main_~#string_B~0.base)_7 - 5*ULTIMATE.start_main_~nc_A~0 >= 0] [2021-08-27 15:19:11,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:11,367 INFO L297 tatePredicateManager]: 61 out of 62 supporting invariants were superfluous and have been removed [2021-08-27 15:19:11,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:11,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-27 15:19:11,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:11,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:11,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 15:19:11,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:11,960 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 15:19:11,961 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.12 stem predicates 2 loop predicates [2021-08-27 15:19:11,961 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56 states and 63 transitions. cyclomatic complexity: 12 Second operand has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:12,583 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56 states and 63 transitions. cyclomatic complexity: 12. Second operand has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 108 states and 132 transitions. Complement of second has 20 states. [2021-08-27 15:19:12,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 18 states 14 stem states 1 non-accepting loop states 2 accepting loop states [2021-08-27 15:19:12,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:12,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 80 transitions. [2021-08-27 15:19:12,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 80 transitions. Stem has 50 letters. Loop has 2 letters. [2021-08-27 15:19:12,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:12,584 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-27 15:19:12,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:12,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-27 15:19:12,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:13,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 15:19:13,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:13,112 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 15:19:13,113 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.12 stem predicates 2 loop predicates [2021-08-27 15:19:13,113 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56 states and 63 transitions. cyclomatic complexity: 12 Second operand has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:13,731 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56 states and 63 transitions. cyclomatic complexity: 12. Second operand has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 108 states and 132 transitions. Complement of second has 20 states. [2021-08-27 15:19:13,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 18 states 14 stem states 1 non-accepting loop states 2 accepting loop states [2021-08-27 15:19:13,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:13,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 80 transitions. [2021-08-27 15:19:13,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 80 transitions. Stem has 50 letters. Loop has 2 letters. [2021-08-27 15:19:13,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:13,732 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-27 15:19:13,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:13,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-27 15:19:13,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:14,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 15:19:14,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:14,275 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 15:19:14,275 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.12 stem predicates 2 loop predicates [2021-08-27 15:19:14,275 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56 states and 63 transitions. cyclomatic complexity: 12 Second operand has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:14,943 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56 states and 63 transitions. cyclomatic complexity: 12. Second operand has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 114 states and 141 transitions. Complement of second has 20 states. [2021-08-27 15:19:14,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 20 states 16 stem states 1 non-accepting loop states 2 accepting loop states [2021-08-27 15:19:14,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:14,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 96 transitions. [2021-08-27 15:19:14,944 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 96 transitions. Stem has 50 letters. Loop has 2 letters. [2021-08-27 15:19:14,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:14,944 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 96 transitions. Stem has 52 letters. Loop has 2 letters. [2021-08-27 15:19:14,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:14,945 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 96 transitions. Stem has 50 letters. Loop has 4 letters. [2021-08-27 15:19:14,945 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:14,945 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 141 transitions. [2021-08-27 15:19:14,946 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-08-27 15:19:14,946 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 101 states and 120 transitions. [2021-08-27 15:19:14,946 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 56 [2021-08-27 15:19:14,946 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 64 [2021-08-27 15:19:14,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 101 states and 120 transitions. [2021-08-27 15:19:14,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:19:14,947 INFO L681 BuchiCegarLoop]: Abstraction has 101 states and 120 transitions. [2021-08-27 15:19:14,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states and 120 transitions. [2021-08-27 15:19:14,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 78. [2021-08-27 15:19:14,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 78 states have (on average 1.1666666666666667) internal successors, (91), 77 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:14,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 91 transitions. [2021-08-27 15:19:14,948 INFO L704 BuchiCegarLoop]: Abstraction has 78 states and 91 transitions. [2021-08-27 15:19:14,948 INFO L587 BuchiCegarLoop]: Abstraction has 78 states and 91 transitions. [2021-08-27 15:19:14,948 INFO L425 BuchiCegarLoop]: ======== Iteration 19============ [2021-08-27 15:19:14,949 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states and 91 transitions. [2021-08-27 15:19:14,949 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-08-27 15:19:14,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:14,949 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:14,951 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:19:14,951 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:19:14,951 INFO L791 eck$LassoCheckResult]: Stem: 5319#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 5320#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 5331#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 5329#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 5330#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 5350#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 5364#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 5362#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 5360#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 5358#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 5356#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 5354#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 5353#L33-3 assume !(main_~i~0 < 5); 5325#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 5326#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 5349#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 5317#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 5318#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 5367#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 5366#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 5365#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 5363#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 5361#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 5359#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 5357#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 5355#L37-3 assume !(main_~i~0 < 5); 5339#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 5340#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 5332#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 5333#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 5380#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 5315#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 5316#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 5334#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 5379#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 5313#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 5314#L42-4 main_~nc_B~0 := 0; 5341#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 5342#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 5343#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 5344#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 5373#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 5370#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 5368#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 5369#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 5327#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 5328#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 5346#L55 [2021-08-27 15:19:14,951 INFO L793 eck$LassoCheckResult]: Loop: 5346#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 5381#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 5346#L55 [2021-08-27 15:19:14,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:14,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1012169865, now seen corresponding path program 1 times [2021-08-27 15:19:14,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:14,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744697089] [2021-08-27 15:19:14,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:14,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:14,962 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:14,973 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:14,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:14,974 INFO L82 PathProgramCache]: Analyzing trace with hash 3708, now seen corresponding path program 1 times [2021-08-27 15:19:14,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:14,974 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488516092] [2021-08-27 15:19:14,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:14,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:14,977 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:14,978 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:14,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:14,978 INFO L82 PathProgramCache]: Analyzing trace with hash 2032634116, now seen corresponding path program 7 times [2021-08-27 15:19:14,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:14,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252621230] [2021-08-27 15:19:14,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:14,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:14,991 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:15,004 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:23,431 WARN L207 SmtUtils]: Spent 8.32 s on a formula simplification. DAG size of input: 360 DAG size of output: 269 [2021-08-27 15:19:24,771 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:19:24,772 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:19:24,772 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:19:24,772 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:19:24,772 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:19:24,772 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:24,772 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:19:24,772 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:19:24,772 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration19_Lasso [2021-08-27 15:19:24,772 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:19:24,772 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:19:24,774 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 15:19:24,776 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 15:19:24,777 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 15:19:24,778 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 15:19:24,779 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 15:19:24,781 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 15:19:24,782 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 15:19:24,783 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 15:19:24,784 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 15:19:24,785 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 15:19:24,786 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 15:19:24,788 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 15:19:24,789 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 15:19:24,790 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 15:19:24,791 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 15:19:24,793 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 15:19:25,897 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 15:19:25,899 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 15:19:26,429 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:19:26,429 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:19:26,429 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:26,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:26,449 INFO L229 MonitoredProcess]: Starting monitored process 155 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 15:19:26,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2021-08-27 15:19:26,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:26,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:26,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:26,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:26,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:26,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:26,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:26,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:26,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:26,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:26,502 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:26,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:26,503 INFO L229 MonitoredProcess]: Starting monitored process 156 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 15:19:26,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2021-08-27 15:19:26,505 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 15:19:26,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:26,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:26,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:26,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:26,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:26,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:26,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:26,512 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:26,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:26,528 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:26,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:26,529 INFO L229 MonitoredProcess]: Starting monitored process 157 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 15:19:26,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2021-08-27 15:19:26,531 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 15:19:26,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:26,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:26,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:26,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:26,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:26,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:26,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:26,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:26,556 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:26,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:26,557 INFO L229 MonitoredProcess]: Starting monitored process 158 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 15:19:26,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2021-08-27 15:19:26,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:26,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:26,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:26,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:26,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:26,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:26,566 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:26,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:26,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:26,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:26,595 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:26,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:26,596 INFO L229 MonitoredProcess]: Starting monitored process 159 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 15:19:26,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2021-08-27 15:19:26,598 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 15:19:26,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:26,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:26,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:26,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:26,605 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:26,605 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:26,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:26,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:26,623 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:26,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:26,624 INFO L229 MonitoredProcess]: Starting monitored process 160 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 15:19:26,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2021-08-27 15:19:26,625 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 15:19:26,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:26,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:26,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:26,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:26,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:26,632 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:26,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:26,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:26,648 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Ended with exit code 0 [2021-08-27 15:19:26,649 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:26,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:26,649 INFO L229 MonitoredProcess]: Starting monitored process 161 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 15:19:26,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2021-08-27 15:19:26,651 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 15:19:26,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:26,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:26,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:26,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:26,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:26,658 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:26,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:26,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:26,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:26,684 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:26,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:26,684 INFO L229 MonitoredProcess]: Starting monitored process 162 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 15:19:26,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2021-08-27 15:19:26,686 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 15:19:26,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:26,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:26,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:26,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:26,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:26,693 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:26,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:26,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:26,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:26,723 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:26,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:26,724 INFO L229 MonitoredProcess]: Starting monitored process 163 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 15:19:26,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2021-08-27 15:19:26,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:26,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:26,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:26,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:26,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:26,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:26,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:26,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:26,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:26,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:26,748 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:26,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:26,749 INFO L229 MonitoredProcess]: Starting monitored process 164 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 15:19:26,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2021-08-27 15:19:26,751 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 15:19:26,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:26,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:26,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:26,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:26,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:26,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:26,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:26,758 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:26,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:26,774 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:26,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:26,774 INFO L229 MonitoredProcess]: Starting monitored process 165 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 15:19:26,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2021-08-27 15:19:26,776 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 15:19:26,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:26,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:26,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:26,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:26,784 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:26,784 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:26,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:26,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:26,805 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:26,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:26,806 INFO L229 MonitoredProcess]: Starting monitored process 166 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 15:19:26,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2021-08-27 15:19:26,807 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 15:19:26,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:26,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:26,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:26,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:26,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:26,814 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:26,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:26,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:26,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:26,830 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:26,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:26,831 INFO L229 MonitoredProcess]: Starting monitored process 167 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 15:19:26,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2021-08-27 15:19:26,833 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 15:19:26,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:26,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:26,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:26,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:26,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:26,840 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:26,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:26,841 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:26,855 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Ended with exit code 0 [2021-08-27 15:19:26,855 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:26,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:26,856 INFO L229 MonitoredProcess]: Starting monitored process 168 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 15:19:26,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2021-08-27 15:19:26,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:26,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:26,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:26,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:26,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:26,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:26,865 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:26,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:26,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:26,890 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Ended with exit code 0 [2021-08-27 15:19:26,890 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:26,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:26,891 INFO L229 MonitoredProcess]: Starting monitored process 169 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 15:19:26,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Waiting until timeout for monitored process [2021-08-27 15:19:26,893 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 15:19:26,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:26,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:26,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:26,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:26,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:26,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:26,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:26,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:26,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:26,926 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:26,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:26,927 INFO L229 MonitoredProcess]: Starting monitored process 170 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 15:19:26,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2021-08-27 15:19:26,935 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 15:19:26,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:26,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:26,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:26,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:26,943 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:26,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:26,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:26,960 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Ended with exit code 0 [2021-08-27 15:19:26,961 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:26,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:26,961 INFO L229 MonitoredProcess]: Starting monitored process 171 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 15:19:26,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2021-08-27 15:19:26,963 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 15:19:26,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:26,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:26,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:26,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:26,971 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:26,971 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:26,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:27,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:27,001 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:27,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:27,002 INFO L229 MonitoredProcess]: Starting monitored process 172 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 15:19:27,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2021-08-27 15:19:27,004 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 15:19:27,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:27,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:27,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:27,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:27,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:27,010 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:27,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:27,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:27,036 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:27,036 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:27,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:27,037 INFO L229 MonitoredProcess]: Starting monitored process 173 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 15:19:27,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2021-08-27 15:19:27,038 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 15:19:27,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:27,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:27,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:27,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:27,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:27,045 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:27,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:27,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:27,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Ended with exit code 0 [2021-08-27 15:19:27,062 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:27,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:27,062 INFO L229 MonitoredProcess]: Starting monitored process 174 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 15:19:27,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Waiting until timeout for monitored process [2021-08-27 15:19:27,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:27,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:27,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:27,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:27,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:27,072 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:27,072 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:27,078 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:27,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:27,094 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:27,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:27,094 INFO L229 MonitoredProcess]: Starting monitored process 175 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 15:19:27,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Waiting until timeout for monitored process [2021-08-27 15:19:27,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:27,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:27,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:27,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:27,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:27,104 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:27,104 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:27,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:27,121 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Ended with exit code 0 [2021-08-27 15:19:27,121 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:27,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:27,122 INFO L229 MonitoredProcess]: Starting monitored process 176 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 15:19:27,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Waiting until timeout for monitored process [2021-08-27 15:19:27,124 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 15:19:27,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:27,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:27,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:27,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:27,132 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:27,132 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:27,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:27,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:27,163 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:27,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:27,164 INFO L229 MonitoredProcess]: Starting monitored process 177 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 15:19:27,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Waiting until timeout for monitored process [2021-08-27 15:19:27,166 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 15:19:27,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:27,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:27,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:27,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:27,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:27,173 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:27,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:27,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:27,189 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Ended with exit code 0 [2021-08-27 15:19:27,189 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:27,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:27,190 INFO L229 MonitoredProcess]: Starting monitored process 178 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 15:19:27,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Waiting until timeout for monitored process [2021-08-27 15:19:27,191 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 15:19:27,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:27,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:27,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:27,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:27,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:27,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:27,217 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:19:27,309 INFO L443 ModelExtractionUtils]: Simplification made 46 calls to the SMT solver. [2021-08-27 15:19:27,310 INFO L444 ModelExtractionUtils]: 1 out of 31 variables were initially zero. Simplification set additionally 25 variables to zero. [2021-08-27 15:19:27,310 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:27,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:27,310 INFO L229 MonitoredProcess]: Starting monitored process 179 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 15:19:27,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Waiting until timeout for monitored process [2021-08-27 15:19:27,312 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:19:27,333 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-08-27 15:19:27,333 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:19:27,334 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, v_rep(select #length ULTIMATE.start_main_~#string_B~0.base)_8) = -5*ULTIMATE.start_main_~i~0 + 3*v_rep(select #length ULTIMATE.start_main_~#string_B~0.base)_8 Supporting invariants [3*v_rep(select #length ULTIMATE.start_main_~#string_B~0.base)_8 - 5*ULTIMATE.start_main_~nc_A~0 >= 0] [2021-08-27 15:19:27,350 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:27,536 INFO L297 tatePredicateManager]: 52 out of 54 supporting invariants were superfluous and have been removed [2021-08-27 15:19:27,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:27,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 15 conjunts are in the unsatisfiable core [2021-08-27 15:19:27,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:28,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:28,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-27 15:19:28,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:28,199 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 15:19:28,199 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.13 stem predicates 2 loop predicates [2021-08-27 15:19:28,200 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 78 states and 91 transitions. cyclomatic complexity: 20 Second operand has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:28,710 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 78 states and 91 transitions. cyclomatic complexity: 20. Second operand has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 88 states and 105 transitions. Complement of second has 16 states. [2021-08-27 15:19:28,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 11 stem states 1 non-accepting loop states 2 accepting loop states [2021-08-27 15:19:28,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:28,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 54 transitions. [2021-08-27 15:19:28,711 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 54 transitions. Stem has 47 letters. Loop has 2 letters. [2021-08-27 15:19:28,711 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:28,711 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 54 transitions. Stem has 49 letters. Loop has 2 letters. [2021-08-27 15:19:28,711 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:28,711 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 54 transitions. Stem has 47 letters. Loop has 4 letters. [2021-08-27 15:19:28,711 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:28,711 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 88 states and 105 transitions. [2021-08-27 15:19:28,712 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-08-27 15:19:28,712 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 88 states to 87 states and 103 transitions. [2021-08-27 15:19:28,712 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 53 [2021-08-27 15:19:28,713 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 54 [2021-08-27 15:19:28,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 103 transitions. [2021-08-27 15:19:28,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:19:28,713 INFO L681 BuchiCegarLoop]: Abstraction has 87 states and 103 transitions. [2021-08-27 15:19:28,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states and 103 transitions. [2021-08-27 15:19:28,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 82. [2021-08-27 15:19:28,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 82 states have (on average 1.170731707317073) internal successors, (96), 81 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:28,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 96 transitions. [2021-08-27 15:19:28,714 INFO L704 BuchiCegarLoop]: Abstraction has 82 states and 96 transitions. [2021-08-27 15:19:28,714 INFO L587 BuchiCegarLoop]: Abstraction has 82 states and 96 transitions. [2021-08-27 15:19:28,715 INFO L425 BuchiCegarLoop]: ======== Iteration 20============ [2021-08-27 15:19:28,715 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states and 96 transitions. [2021-08-27 15:19:28,715 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-08-27 15:19:28,715 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:28,715 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:28,715 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:19:28,716 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:19:28,716 INFO L791 eck$LassoCheckResult]: Stem: 5921#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 5922#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 5932#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 5930#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 5931#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 5949#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 5961#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 5959#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 5957#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 5955#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 5953#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 5951#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 5950#L33-3 assume !(main_~i~0 < 5); 5927#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 5928#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 5948#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 5919#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 5920#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 5964#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 5963#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 5962#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 5960#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 5958#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 5956#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 5954#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 5952#L37-3 assume !(main_~i~0 < 5); 5940#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 5941#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 5933#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 5934#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 5970#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 5917#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 5918#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 5935#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 5968#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 5915#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 5916#L42-4 main_~nc_B~0 := 0; 5946#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 5925#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 5926#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 5947#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 5967#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 5966#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 5965#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 5923#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 5924#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 5929#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 5977#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 5996#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 5936#L55 [2021-08-27 15:19:28,716 INFO L793 eck$LassoCheckResult]: Loop: 5936#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 5937#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 5936#L55 [2021-08-27 15:19:28,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:28,716 INFO L82 PathProgramCache]: Analyzing trace with hash 2032634054, now seen corresponding path program 2 times [2021-08-27 15:19:28,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:28,716 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963852716] [2021-08-27 15:19:28,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:28,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:28,731 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:28,745 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:28,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:28,746 INFO L82 PathProgramCache]: Analyzing trace with hash 3708, now seen corresponding path program 2 times [2021-08-27 15:19:28,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:28,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829594641] [2021-08-27 15:19:28,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:28,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:28,749 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:28,750 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:28,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:28,750 INFO L82 PathProgramCache]: Analyzing trace with hash -848791039, now seen corresponding path program 6 times [2021-08-27 15:19:28,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:28,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147365129] [2021-08-27 15:19:28,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:28,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:28,765 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:28,780 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:35,639 WARN L207 SmtUtils]: Spent 6.79 s on a formula simplification. DAG size of input: 383 DAG size of output: 280 [2021-08-27 15:19:36,345 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:19:36,345 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:19:36,345 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:19:36,345 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:19:36,345 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:19:36,345 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:36,345 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:19:36,345 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:19:36,345 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration20_Lasso [2021-08-27 15:19:36,346 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:19:36,346 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:19:36,362 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 15:19:36,378 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 15:19:36,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:36,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:36,382 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 15:19:36,384 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 15:19:36,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:36,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:36,389 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 15:19:36,390 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 15:19:36,392 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 15:19:36,393 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 15:19:36,395 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 15:19:36,396 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 15:19:36,398 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 15:19:36,399 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 15:19:37,155 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 15:19:37,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:37,683 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:19:37,683 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:19:37,684 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:37,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:37,684 INFO L229 MonitoredProcess]: Starting monitored process 180 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 15:19:37,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Waiting until timeout for monitored process [2021-08-27 15:19:37,686 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 15:19:37,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:37,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:37,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:37,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:37,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:37,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:37,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:37,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:37,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:37,723 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:37,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:37,723 INFO L229 MonitoredProcess]: Starting monitored process 181 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 15:19:37,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Waiting until timeout for monitored process [2021-08-27 15:19:37,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:37,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:37,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:37,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:37,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:37,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:37,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:37,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:37,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:37,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:37,786 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:37,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:37,787 INFO L229 MonitoredProcess]: Starting monitored process 182 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 15:19:37,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Waiting until timeout for monitored process [2021-08-27 15:19:37,789 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 15:19:37,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:37,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:37,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:37,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:37,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:37,796 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:37,796 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:37,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:37,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:37,827 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:37,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:37,827 INFO L229 MonitoredProcess]: Starting monitored process 183 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 15:19:37,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Waiting until timeout for monitored process [2021-08-27 15:19:37,829 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 15:19:37,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:37,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:37,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:37,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:37,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:37,837 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:37,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:37,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:37,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:37,854 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:37,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:37,855 INFO L229 MonitoredProcess]: Starting monitored process 184 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 15:19:37,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Waiting until timeout for monitored process [2021-08-27 15:19:37,857 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 15:19:37,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:37,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:37,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:37,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:37,865 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:37,865 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:37,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:37,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Ended with exit code 0 [2021-08-27 15:19:37,896 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:37,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:37,898 INFO L229 MonitoredProcess]: Starting monitored process 185 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 15:19:37,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Waiting until timeout for monitored process [2021-08-27 15:19:37,900 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 15:19:37,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:37,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:37,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:37,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:37,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:37,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:37,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:37,926 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Ended with exit code 0 [2021-08-27 15:19:37,926 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:37,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:37,927 INFO L229 MonitoredProcess]: Starting monitored process 186 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 15:19:37,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Waiting until timeout for monitored process [2021-08-27 15:19:37,929 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 15:19:37,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:37,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:37,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:37,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:37,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:37,937 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:37,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:37,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:37,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:37,966 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:37,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:37,967 INFO L229 MonitoredProcess]: Starting monitored process 187 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 15:19:37,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Waiting until timeout for monitored process [2021-08-27 15:19:37,969 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 15:19:37,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:37,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:37,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:37,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:37,976 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:37,977 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:38,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:38,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:38,081 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:38,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:38,089 INFO L229 MonitoredProcess]: Starting monitored process 188 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 15:19:38,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Waiting until timeout for monitored process [2021-08-27 15:19:38,105 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 15:19:38,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:38,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:38,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:38,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:38,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:38,112 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:38,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:38,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:38,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:38,169 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:38,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:38,185 INFO L229 MonitoredProcess]: Starting monitored process 189 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 15:19:38,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Waiting until timeout for monitored process [2021-08-27 15:19:38,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:38,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:38,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:38,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:38,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:38,268 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:38,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:38,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:38,300 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Ended with exit code 0 [2021-08-27 15:19:38,300 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:38,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:38,303 INFO L229 MonitoredProcess]: Starting monitored process 190 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 15:19:38,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Waiting until timeout for monitored process [2021-08-27 15:19:38,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:38,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:38,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:38,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:38,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:38,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:38,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:38,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:38,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:38,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Ended with exit code 0 [2021-08-27 15:19:38,329 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:38,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:38,330 INFO L229 MonitoredProcess]: Starting monitored process 191 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 15:19:38,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Waiting until timeout for monitored process [2021-08-27 15:19:38,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:38,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:38,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:38,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:38,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:38,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:38,338 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:38,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:38,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:38,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:38,368 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:38,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:38,369 INFO L229 MonitoredProcess]: Starting monitored process 192 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 15:19:38,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Waiting until timeout for monitored process [2021-08-27 15:19:38,371 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 15:19:38,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:38,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:38,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:38,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:38,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:38,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:38,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:38,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:38,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:38,410 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:38,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:38,411 INFO L229 MonitoredProcess]: Starting monitored process 193 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 15:19:38,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Waiting until timeout for monitored process [2021-08-27 15:19:38,413 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 15:19:38,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:38,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:38,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:38,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:38,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:38,421 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:38,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:38,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:38,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:38,450 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:38,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:38,450 INFO L229 MonitoredProcess]: Starting monitored process 194 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 15:19:38,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Waiting until timeout for monitored process [2021-08-27 15:19:38,452 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 15:19:38,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:38,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:38,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:38,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:38,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:38,459 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:38,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:38,473 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:38,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:38,489 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:38,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:38,489 INFO L229 MonitoredProcess]: Starting monitored process 195 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 15:19:38,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Waiting until timeout for monitored process [2021-08-27 15:19:38,491 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 15:19:38,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:38,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:38,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:38,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:38,499 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:38,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:38,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:38,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:38,529 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:38,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:38,530 INFO L229 MonitoredProcess]: Starting monitored process 196 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 15:19:38,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Waiting until timeout for monitored process [2021-08-27 15:19:38,532 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 15:19:38,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:38,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:38,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:38,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:38,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:38,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:38,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:38,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Ended with exit code 0 [2021-08-27 15:19:38,569 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:38,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:38,570 INFO L229 MonitoredProcess]: Starting monitored process 197 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 15:19:38,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Waiting until timeout for monitored process [2021-08-27 15:19:38,572 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 15:19:38,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:38,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:38,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:38,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:38,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:38,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:38,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:38,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:38,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:38,608 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:38,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:38,608 INFO L229 MonitoredProcess]: Starting monitored process 198 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 15:19:38,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Waiting until timeout for monitored process [2021-08-27 15:19:38,610 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 15:19:38,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:38,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:38,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:38,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:38,618 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:38,618 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:38,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:38,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:38,647 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:38,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:38,648 INFO L229 MonitoredProcess]: Starting monitored process 199 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 15:19:38,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Waiting until timeout for monitored process [2021-08-27 15:19:38,650 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 15:19:38,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:38,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:38,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:38,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:38,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:38,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:38,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:38,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:38,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:38,687 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:38,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:38,688 INFO L229 MonitoredProcess]: Starting monitored process 200 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 15:19:38,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Waiting until timeout for monitored process [2021-08-27 15:19:38,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:38,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:38,696 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-08-27 15:19:38,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:38,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:38,697 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-08-27 15:19:38,697 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:38,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:38,716 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Ended with exit code 0 [2021-08-27 15:19:38,716 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:38,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:38,717 INFO L229 MonitoredProcess]: Starting monitored process 201 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 15:19:38,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Waiting until timeout for monitored process [2021-08-27 15:19:38,719 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 15:19:38,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:38,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:38,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:38,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:38,727 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:38,727 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:38,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:38,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Ended with exit code 0 [2021-08-27 15:19:38,745 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:38,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:38,746 INFO L229 MonitoredProcess]: Starting monitored process 202 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 15:19:38,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Waiting until timeout for monitored process [2021-08-27 15:19:38,747 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 15:19:38,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:38,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:38,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:38,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:38,762 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:38,762 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:38,773 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:19:38,808 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2021-08-27 15:19:38,808 INFO L444 ModelExtractionUtils]: 0 out of 31 variables were initially zero. Simplification set additionally 27 variables to zero. [2021-08-27 15:19:38,809 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:38,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:38,809 INFO L229 MonitoredProcess]: Starting monitored process 203 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 15:19:38,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Waiting until timeout for monitored process [2021-08-27 15:19:38,811 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:19:38,832 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 15:19:38,832 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:19:38,832 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~nc_A~0, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~nc_A~0 + 2*ULTIMATE.start_main_~j~0 - 2*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-08-27 15:19:38,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:39,060 INFO L297 tatePredicateManager]: 75 out of 78 supporting invariants were superfluous and have been removed [2021-08-27 15:19:39,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:39,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 24 conjunts are in the unsatisfiable core [2021-08-27 15:19:39,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:39,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-27 15:19:39,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:39,963 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 15:19:39,964 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.11 stem predicates 2 loop predicates [2021-08-27 15:19:39,964 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 82 states and 96 transitions. cyclomatic complexity: 22 Second operand has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:39,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Ended with exit code 0 [2021-08-27 15:19:40,091 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 82 states and 96 transitions. cyclomatic complexity: 22. Second operand has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 115 states and 142 transitions. Complement of second has 18 states. [2021-08-27 15:19:40,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 15 states 11 stem states 2 non-accepting loop states 2 accepting loop states [2021-08-27 15:19:40,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:40,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 53 transitions. [2021-08-27 15:19:40,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 53 transitions. Stem has 49 letters. Loop has 2 letters. [2021-08-27 15:19:40,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:40,093 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 53 transitions. Stem has 51 letters. Loop has 2 letters. [2021-08-27 15:19:40,093 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:40,093 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 53 transitions. Stem has 49 letters. Loop has 4 letters. [2021-08-27 15:19:40,093 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:40,093 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 115 states and 142 transitions. [2021-08-27 15:19:40,101 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-08-27 15:19:40,104 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 115 states to 89 states and 105 transitions. [2021-08-27 15:19:40,104 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 53 [2021-08-27 15:19:40,104 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 54 [2021-08-27 15:19:40,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 105 transitions. [2021-08-27 15:19:40,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:19:40,105 INFO L681 BuchiCegarLoop]: Abstraction has 89 states and 105 transitions. [2021-08-27 15:19:40,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 105 transitions. [2021-08-27 15:19:40,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 84. [2021-08-27 15:19:40,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 84 states have (on average 1.1666666666666667) internal successors, (98), 83 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:40,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 98 transitions. [2021-08-27 15:19:40,109 INFO L704 BuchiCegarLoop]: Abstraction has 84 states and 98 transitions. [2021-08-27 15:19:40,109 INFO L587 BuchiCegarLoop]: Abstraction has 84 states and 98 transitions. [2021-08-27 15:19:40,109 INFO L425 BuchiCegarLoop]: ======== Iteration 21============ [2021-08-27 15:19:40,110 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states and 98 transitions. [2021-08-27 15:19:40,117 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-08-27 15:19:40,117 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:40,117 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:40,118 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:19:40,118 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:19:40,118 INFO L791 eck$LassoCheckResult]: Stem: 6647#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 6648#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 6662#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 6657#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 6658#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 6675#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 6688#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 6686#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 6684#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 6682#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 6680#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 6679#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 6678#L33-3 assume !(main_~i~0 < 5); 6653#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 6654#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 6674#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 6645#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 6646#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 6692#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 6691#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 6690#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 6689#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 6687#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 6685#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 6683#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 6681#L37-3 assume !(main_~i~0 < 5); 6666#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 6667#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 6659#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 6643#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 6644#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 6701#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 6660#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 6661#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 6695#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 6697#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 6676#L42-4 main_~nc_B~0 := 0; 6677#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 6704#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 6669#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 6670#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 6712#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 6711#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 6699#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 6700#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 6710#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 6709#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 6655#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 6656#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 6672#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 6723#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 6714#L55 [2021-08-27 15:19:40,118 INFO L793 eck$LassoCheckResult]: Loop: 6714#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 6717#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 6714#L55 [2021-08-27 15:19:40,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:40,118 INFO L82 PathProgramCache]: Analyzing trace with hash 536132907, now seen corresponding path program 3 times [2021-08-27 15:19:40,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:40,119 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325427872] [2021-08-27 15:19:40,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:40,119 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:40,150 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:40,179 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:40,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:40,193 INFO L82 PathProgramCache]: Analyzing trace with hash 3708, now seen corresponding path program 3 times [2021-08-27 15:19:40,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:40,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657393800] [2021-08-27 15:19:40,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:40,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:40,197 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:40,198 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:40,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:40,198 INFO L82 PathProgramCache]: Analyzing trace with hash -172349146, now seen corresponding path program 7 times [2021-08-27 15:19:40,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:40,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668631458] [2021-08-27 15:19:40,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:40,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:40,234 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:40,270 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:47,166 WARN L207 SmtUtils]: Spent 6.83 s on a formula simplification. DAG size of input: 395 DAG size of output: 288 [2021-08-27 15:19:48,130 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:19:48,130 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:19:48,130 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:19:48,130 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:19:48,130 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:19:48,130 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,130 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:19:48,130 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:19:48,130 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration21_Lasso [2021-08-27 15:19:48,130 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:19:48,130 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:19:48,132 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 15:19:48,133 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 15:19:48,135 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 15:19:48,137 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 15:19:48,139 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 15:19:48,140 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 15:19:48,142 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 15:19:48,143 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 15:19:48,145 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 15:19:48,147 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 15:19:48,150 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 15:19:48,152 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 15:19:48,156 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 15:19:48,158 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 15:19:48,159 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 15:19:48,161 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 15:19:49,327 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 15:19:49,328 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 15:19:49,802 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:19:49,802 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:19:49,802 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,803 INFO L229 MonitoredProcess]: Starting monitored process 204 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 15:19:49,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Waiting until timeout for monitored process [2021-08-27 15:19:49,805 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 15:19:49,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:49,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:49,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:49,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,842 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Ended with exit code 0 [2021-08-27 15:19:49,842 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,843 INFO L229 MonitoredProcess]: Starting monitored process 205 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 15:19:49,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Waiting until timeout for monitored process [2021-08-27 15:19:49,852 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 15:19:49,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,860 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:49,860 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:49,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:49,878 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,879 INFO L229 MonitoredProcess]: Starting monitored process 206 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 15:19:49,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Waiting until timeout for monitored process [2021-08-27 15:19:49,881 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 15:19:49,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,889 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:49,889 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:49,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:49,919 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,920 INFO L229 MonitoredProcess]: Starting monitored process 207 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 15:19:49,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Waiting until timeout for monitored process [2021-08-27 15:19:49,922 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 15:19:49,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:49,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:49,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:49,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Ended with exit code 0 [2021-08-27 15:19:49,945 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,946 INFO L229 MonitoredProcess]: Starting monitored process 208 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 15:19:49,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Waiting until timeout for monitored process [2021-08-27 15:19:49,948 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 15:19:49,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:49,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:49,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:49,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:49,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:49,985 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:49,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,987 INFO L229 MonitoredProcess]: Starting monitored process 209 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 15:19:49,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Waiting until timeout for monitored process [2021-08-27 15:19:49,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:49,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:49,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:49,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:49,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:49,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:49,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:49,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:50,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:50,030 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Ended with exit code 0 [2021-08-27 15:19:50,031 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:50,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:50,032 INFO L229 MonitoredProcess]: Starting monitored process 210 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 15:19:50,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Waiting until timeout for monitored process [2021-08-27 15:19:50,034 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 15:19:50,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:50,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:50,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:50,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:50,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:50,042 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:50,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:50,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:50,059 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:50,060 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:50,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:50,061 INFO L229 MonitoredProcess]: Starting monitored process 211 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 15:19:50,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Waiting until timeout for monitored process [2021-08-27 15:19:50,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:50,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:50,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:50,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:50,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:50,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:50,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:50,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:50,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:50,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:50,086 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:50,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:50,086 INFO L229 MonitoredProcess]: Starting monitored process 212 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 15:19:50,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Waiting until timeout for monitored process [2021-08-27 15:19:50,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:50,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:50,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:50,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:50,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:50,096 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:50,096 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:50,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:50,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Ended with exit code 0 [2021-08-27 15:19:50,114 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:50,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:50,115 INFO L229 MonitoredProcess]: Starting monitored process 213 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 15:19:50,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Waiting until timeout for monitored process [2021-08-27 15:19:50,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:50,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:50,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:50,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:50,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:50,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:50,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:50,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:50,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:50,142 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Ended with exit code 0 [2021-08-27 15:19:50,142 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:50,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:50,143 INFO L229 MonitoredProcess]: Starting monitored process 214 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 15:19:50,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Waiting until timeout for monitored process [2021-08-27 15:19:50,145 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 15:19:50,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:50,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:50,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:50,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:50,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:50,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:50,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:50,153 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:50,169 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Ended with exit code 0 [2021-08-27 15:19:50,169 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:50,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:50,170 INFO L229 MonitoredProcess]: Starting monitored process 215 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 15:19:50,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Waiting until timeout for monitored process [2021-08-27 15:19:50,172 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 15:19:50,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:50,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:50,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:50,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:50,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:50,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:50,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:50,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:50,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:50,196 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:50,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:50,196 INFO L229 MonitoredProcess]: Starting monitored process 216 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 15:19:50,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Waiting until timeout for monitored process [2021-08-27 15:19:50,198 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 15:19:50,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:50,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:50,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:50,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:50,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:50,205 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:50,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:50,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:50,221 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Ended with exit code 0 [2021-08-27 15:19:50,222 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:50,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:50,222 INFO L229 MonitoredProcess]: Starting monitored process 217 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 15:19:50,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Waiting until timeout for monitored process [2021-08-27 15:19:50,224 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 15:19:50,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:50,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:50,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:50,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:50,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:50,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:50,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:50,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:50,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:50,254 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:50,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:50,255 INFO L229 MonitoredProcess]: Starting monitored process 218 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 15:19:50,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Waiting until timeout for monitored process [2021-08-27 15:19:50,257 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 15:19:50,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:50,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:50,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:50,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:50,266 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:50,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:50,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:50,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:50,300 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:50,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:50,300 INFO L229 MonitoredProcess]: Starting monitored process 219 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 15:19:50,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Waiting until timeout for monitored process [2021-08-27 15:19:50,302 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 15:19:50,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:50,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:50,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:50,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:50,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:50,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:50,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:50,339 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Ended with exit code 0 [2021-08-27 15:19:50,340 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:50,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:50,340 INFO L229 MonitoredProcess]: Starting monitored process 220 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 15:19:50,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Waiting until timeout for monitored process [2021-08-27 15:19:50,342 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 15:19:50,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:50,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:50,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:50,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:50,350 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:50,350 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:50,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:50,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Ended with exit code 0 [2021-08-27 15:19:50,368 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:50,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:50,369 INFO L229 MonitoredProcess]: Starting monitored process 221 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 15:19:50,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Waiting until timeout for monitored process [2021-08-27 15:19:50,371 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 15:19:50,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:50,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:50,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:50,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:50,378 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:50,379 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:50,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:50,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:50,410 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:50,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:50,410 INFO L229 MonitoredProcess]: Starting monitored process 222 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 15:19:50,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Waiting until timeout for monitored process [2021-08-27 15:19:50,413 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 15:19:50,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:50,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:50,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:50,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:50,421 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:50,421 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:50,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:50,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:50,452 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:50,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:50,453 INFO L229 MonitoredProcess]: Starting monitored process 223 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 15:19:50,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Waiting until timeout for monitored process [2021-08-27 15:19:50,455 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 15:19:50,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:50,461 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-08-27 15:19:50,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:50,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:50,464 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-08-27 15:19:50,464 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:50,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:50,494 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:50,495 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:50,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:50,496 INFO L229 MonitoredProcess]: Starting monitored process 224 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 15:19:50,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Waiting until timeout for monitored process [2021-08-27 15:19:50,498 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 15:19:50,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:50,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:50,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:50,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:50,505 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:50,505 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:50,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:50,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:50,536 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:50,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:50,537 INFO L229 MonitoredProcess]: Starting monitored process 225 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 15:19:50,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Waiting until timeout for monitored process [2021-08-27 15:19:50,539 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 15:19:50,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:50,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:50,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:50,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:50,558 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:50,558 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:50,571 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:19:50,590 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-08-27 15:19:50,590 INFO L444 ModelExtractionUtils]: 5 out of 31 variables were initially zero. Simplification set additionally 22 variables to zero. [2021-08-27 15:19:50,590 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:50,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:50,591 INFO L229 MonitoredProcess]: Starting monitored process 226 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 15:19:50,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Waiting until timeout for monitored process [2021-08-27 15:19:50,593 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:19:50,614 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 15:19:50,614 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:19:50,614 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, v_rep(select #length ULTIMATE.start_main_~#string_A~0.base)_10, ULTIMATE.start_main_~j~0) = -2*ULTIMATE.start_main_~i~0 + 1*v_rep(select #length ULTIMATE.start_main_~#string_A~0.base)_10 + 2*ULTIMATE.start_main_~j~0 Supporting invariants [] [2021-08-27 15:19:50,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:50,834 INFO L297 tatePredicateManager]: 65 out of 68 supporting invariants were superfluous and have been removed [2021-08-27 15:19:50,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:50,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-27 15:19:50,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:51,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:51,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-27 15:19:51,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:51,697 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 15:19:51,697 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2021-08-27 15:19:51,697 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 84 states and 98 transitions. cyclomatic complexity: 22 Second operand has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:51,819 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 84 states and 98 transitions. cyclomatic complexity: 22. Second operand has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 99 states and 119 transitions. Complement of second has 14 states. [2021-08-27 15:19:51,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 7 stem states 2 non-accepting loop states 2 accepting loop states [2021-08-27 15:19:51,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:51,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 42 transitions. [2021-08-27 15:19:51,820 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 42 transitions. Stem has 51 letters. Loop has 2 letters. [2021-08-27 15:19:51,820 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:51,820 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 42 transitions. Stem has 53 letters. Loop has 2 letters. [2021-08-27 15:19:51,820 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:51,820 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 42 transitions. Stem has 51 letters. Loop has 4 letters. [2021-08-27 15:19:51,820 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:51,820 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 119 transitions. [2021-08-27 15:19:51,821 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 15:19:51,821 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 62 states and 70 transitions. [2021-08-27 15:19:51,821 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2021-08-27 15:19:51,821 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2021-08-27 15:19:51,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 70 transitions. [2021-08-27 15:19:51,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:19:51,822 INFO L681 BuchiCegarLoop]: Abstraction has 62 states and 70 transitions. [2021-08-27 15:19:51,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 70 transitions. [2021-08-27 15:19:51,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 59. [2021-08-27 15:19:51,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 59 states have (on average 1.11864406779661) internal successors, (66), 58 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:51,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 66 transitions. [2021-08-27 15:19:51,823 INFO L704 BuchiCegarLoop]: Abstraction has 59 states and 66 transitions. [2021-08-27 15:19:51,823 INFO L587 BuchiCegarLoop]: Abstraction has 59 states and 66 transitions. [2021-08-27 15:19:51,823 INFO L425 BuchiCegarLoop]: ======== Iteration 22============ [2021-08-27 15:19:51,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 66 transitions. [2021-08-27 15:19:51,823 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 15:19:51,823 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:51,823 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:51,823 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:19:51,823 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:19:51,823 INFO L791 eck$LassoCheckResult]: Stem: 7313#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 7314#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 7324#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 7322#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 7323#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 7352#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 7350#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 7348#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 7347#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 7346#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 7345#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 7344#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 7343#L33-3 assume !(main_~i~0 < 5); 7319#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 7320#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 7338#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 7311#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 7312#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 7337#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 7357#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 7356#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 7355#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 7354#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 7353#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 7351#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 7349#L37-3 assume !(main_~i~0 < 5); 7331#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 7332#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 7325#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 7309#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 7310#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 7326#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 7360#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 7359#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 7358#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 7340#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 7339#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 7307#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 7308#L42-4 main_~nc_B~0 := 0; 7333#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 7334#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 7335#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 7317#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 7318#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 7342#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 7341#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 7315#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 7316#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 7321#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 7361#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 7330#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 7327#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 7328#L55-2 [2021-08-27 15:19:51,823 INFO L793 eck$LassoCheckResult]: Loop: 7328#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 7363#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 7328#L55-2 [2021-08-27 15:19:51,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:51,824 INFO L82 PathProgramCache]: Analyzing trace with hash -490836425, now seen corresponding path program 8 times [2021-08-27 15:19:51,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:51,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075105424] [2021-08-27 15:19:51,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:51,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:51,907 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-08-27 15:19:51,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:19:51,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075105424] [2021-08-27 15:19:51,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075105424] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:19:51,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585984160] [2021-08-27 15:19:51,907 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-27 15:19:51,907 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 15:19:51,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:51,921 INFO L229 MonitoredProcess]: Starting monitored process 227 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 15:19:51,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (227)] Waiting until timeout for monitored process [2021-08-27 15:19:52,628 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-27 15:19:52,629 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-27 15:19:52,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-27 15:19:52,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:52,794 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-08-27 15:19:52,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585984160] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:19:52,795 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 15:19:52,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-08-27 15:19:52,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080702908] [2021-08-27 15:19:52,795 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:19:52,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:52,796 INFO L82 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 10 times [2021-08-27 15:19:52,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:52,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873544462] [2021-08-27 15:19:52,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:52,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:52,800 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:52,801 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:52,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:19:52,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-08-27 15:19:52,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=150, Unknown=0, NotChecked=0, Total=240 [2021-08-27 15:19:52,863 INFO L87 Difference]: Start difference. First operand 59 states and 66 transitions. cyclomatic complexity: 12 Second operand has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:52,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:19:52,912 INFO L93 Difference]: Finished difference Result 65 states and 72 transitions. [2021-08-27 15:19:52,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-27 15:19:52,912 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 72 transitions. [2021-08-27 15:19:52,913 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 15:19:52,913 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 63 states and 70 transitions. [2021-08-27 15:19:52,913 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2021-08-27 15:19:52,913 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2021-08-27 15:19:52,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 70 transitions. [2021-08-27 15:19:52,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:19:52,913 INFO L681 BuchiCegarLoop]: Abstraction has 63 states and 70 transitions. [2021-08-27 15:19:52,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 70 transitions. [2021-08-27 15:19:52,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 61. [2021-08-27 15:19:52,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.1147540983606556) internal successors, (68), 60 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:52,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 68 transitions. [2021-08-27 15:19:52,915 INFO L704 BuchiCegarLoop]: Abstraction has 61 states and 68 transitions. [2021-08-27 15:19:52,915 INFO L587 BuchiCegarLoop]: Abstraction has 61 states and 68 transitions. [2021-08-27 15:19:52,915 INFO L425 BuchiCegarLoop]: ======== Iteration 23============ [2021-08-27 15:19:52,915 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states and 68 transitions. [2021-08-27 15:19:52,916 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 15:19:52,916 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:52,916 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:52,916 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:19:52,916 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:19:52,917 INFO L791 eck$LassoCheckResult]: Stem: 7609#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 7610#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 7622#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 7618#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 7619#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 7650#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 7648#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 7646#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 7644#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 7642#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 7640#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 7639#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 7638#L33-3 assume !(main_~i~0 < 5); 7615#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 7616#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 7633#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 7607#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 7608#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 7653#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 7652#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 7651#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 7649#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 7647#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 7645#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 7643#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 7641#L37-3 assume !(main_~i~0 < 5); 7627#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 7628#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 7620#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 7605#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 7606#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 7621#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 7661#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 7660#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 7659#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 7635#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 7634#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 7603#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 7604#L42-4 main_~nc_B~0 := 0; 7629#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 7630#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 7631#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 7613#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 7614#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 7663#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 7662#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 7637#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 7636#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 7611#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 7612#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 7617#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 7656#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 7626#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 7623#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 7624#L55-2 [2021-08-27 15:19:52,917 INFO L793 eck$LassoCheckResult]: Loop: 7624#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 7632#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 7624#L55-2 [2021-08-27 15:19:52,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:52,917 INFO L82 PathProgramCache]: Analyzing trace with hash 733724978, now seen corresponding path program 9 times [2021-08-27 15:19:52,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:52,917 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915289876] [2021-08-27 15:19:52,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:52,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:52,936 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:52,963 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:52,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:52,964 INFO L82 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 11 times [2021-08-27 15:19:52,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:52,964 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099588887] [2021-08-27 15:19:52,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:52,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:52,968 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:52,969 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:52,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:52,969 INFO L82 PathProgramCache]: Analyzing trace with hash 735069909, now seen corresponding path program 8 times [2021-08-27 15:19:52,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:52,970 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803219560] [2021-08-27 15:19:52,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:52,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:52,989 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:53,009 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:59,201 WARN L207 SmtUtils]: Spent 6.13 s on a formula simplification. DAG size of input: 417 DAG size of output: 311 [2021-08-27 15:20:00,301 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:20:00,301 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:20:00,302 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:20:00,302 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:20:00,302 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:20:00,302 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:00,302 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:20:00,302 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:20:00,302 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration23_Lasso [2021-08-27 15:20:00,302 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:20:00,302 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:20:00,305 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 15:20:00,307 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 15:20:00,310 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 15:20:00,311 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 15:20:00,313 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 15:20:00,314 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 15:20:00,316 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 15:20:00,317 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 15:20:00,319 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 15:20:00,320 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 15:20:00,322 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 15:20:00,323 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 15:20:02,190 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 15:20:02,193 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 15:20:02,196 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 15:20:02,197 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 15:20:02,199 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 15:20:02,201 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 15:20:02,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:20:02,205 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 15:20:02,465 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-08-27 15:20:05,035 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:20:05,035 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:20:05,035 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:05,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:05,036 INFO L229 MonitoredProcess]: Starting monitored process 228 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 15:20:05,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Waiting until timeout for monitored process [2021-08-27 15:20:05,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:20:05,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:05,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:05,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:05,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:05,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:05,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:05,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:05,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:05,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:05,076 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:05,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:05,078 INFO L229 MonitoredProcess]: Starting monitored process 229 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 15:20:05,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Waiting until timeout for monitored process [2021-08-27 15:20:05,114 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 15:20:05,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:05,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:05,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:05,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:05,122 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:20:05,122 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:05,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:05,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:05,152 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:05,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:05,153 INFO L229 MonitoredProcess]: Starting monitored process 230 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 15:20:05,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Waiting until timeout for monitored process [2021-08-27 15:20:05,155 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 15:20:05,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:05,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:05,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:05,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:05,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:05,162 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:05,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:05,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:05,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:05,193 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:05,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:05,193 INFO L229 MonitoredProcess]: Starting monitored process 231 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 15:20:05,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Waiting until timeout for monitored process [2021-08-27 15:20:05,196 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 15:20:05,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:05,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:05,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:05,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:05,203 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:20:05,203 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:05,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:05,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:05,234 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:05,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:05,235 INFO L229 MonitoredProcess]: Starting monitored process 232 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 15:20:05,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Waiting until timeout for monitored process [2021-08-27 15:20:05,237 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 15:20:05,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:05,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:05,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:05,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:05,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:05,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:05,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:05,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:05,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:05,275 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:05,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:05,276 INFO L229 MonitoredProcess]: Starting monitored process 233 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 15:20:05,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Waiting until timeout for monitored process [2021-08-27 15:20:05,278 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 15:20:05,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:05,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:05,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:05,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:05,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:05,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:05,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:05,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:05,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:05,316 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:05,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:05,317 INFO L229 MonitoredProcess]: Starting monitored process 234 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 15:20:05,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Waiting until timeout for monitored process [2021-08-27 15:20:05,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:20:05,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:05,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:05,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:05,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:05,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:05,326 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:05,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:05,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:05,357 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:05,357 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:05,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:05,358 INFO L229 MonitoredProcess]: Starting monitored process 235 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 15:20:05,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Waiting until timeout for monitored process [2021-08-27 15:20:05,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:20:05,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:05,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:05,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:05,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:05,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:05,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:05,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:05,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:05,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:05,398 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:05,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:05,399 INFO L229 MonitoredProcess]: Starting monitored process 236 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 15:20:05,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Waiting until timeout for monitored process [2021-08-27 15:20:05,401 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 15:20:05,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:05,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:05,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:05,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:05,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:05,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:05,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:05,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:05,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:05,438 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:05,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:05,439 INFO L229 MonitoredProcess]: Starting monitored process 237 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 15:20:05,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Waiting until timeout for monitored process [2021-08-27 15:20:05,441 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 15:20:05,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:05,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:05,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:05,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:05,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:05,448 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:05,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:05,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:05,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:05,479 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:05,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:05,480 INFO L229 MonitoredProcess]: Starting monitored process 238 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 15:20:05,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Waiting until timeout for monitored process [2021-08-27 15:20:05,482 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 15:20:05,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:05,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:05,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:05,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:05,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:05,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:05,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:05,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:05,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:05,519 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:05,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:05,520 INFO L229 MonitoredProcess]: Starting monitored process 239 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 15:20:05,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (239)] Waiting until timeout for monitored process [2021-08-27 15:20:05,522 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 15:20:05,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:05,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:05,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:05,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:05,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:20:05,536 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:05,551 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:20:05,585 INFO L443 ModelExtractionUtils]: Simplification made 30 calls to the SMT solver. [2021-08-27 15:20:05,585 INFO L444 ModelExtractionUtils]: 11 out of 31 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-08-27 15:20:05,586 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:05,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:05,587 INFO L229 MonitoredProcess]: Starting monitored process 240 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 15:20:05,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Waiting until timeout for monitored process [2021-08-27 15:20:05,589 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:20:05,609 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 15:20:05,610 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:20:05,610 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#string_A~0.base)_11, ULTIMATE.start_main_~j~0) = 7*v_rep(select #length ULTIMATE.start_main_~#string_A~0.base)_11 - 2*ULTIMATE.start_main_~j~0 Supporting invariants [] [2021-08-27 15:20:05,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (239)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:06,016 INFO L297 tatePredicateManager]: 115 out of 116 supporting invariants were superfluous and have been removed [2021-08-27 15:20:06,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:20:06,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:20:06,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-27 15:20:06,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:20:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:20:06,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-27 15:20:06,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:20:06,298 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 15:20:06,299 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2021-08-27 15:20:06,299 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 68 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:20:06,390 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 68 transitions. cyclomatic complexity: 12. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 85 states and 101 transitions. Complement of second has 11 states. [2021-08-27 15:20:06,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 6 stem states 1 non-accepting loop states 2 accepting loop states [2021-08-27 15:20:06,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:20:06,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 40 transitions. [2021-08-27 15:20:06,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 40 transitions. Stem has 54 letters. Loop has 2 letters. [2021-08-27 15:20:06,391 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:20:06,391 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-27 15:20:06,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:20:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:20:06,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-27 15:20:06,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:20:06,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:20:06,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-27 15:20:06,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:20:06,698 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 15:20:06,698 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 2 loop predicates [2021-08-27 15:20:06,699 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 68 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:20:06,765 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 68 transitions. cyclomatic complexity: 12. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 85 states and 101 transitions. Complement of second has 11 states. [2021-08-27 15:20:06,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 6 stem states 1 non-accepting loop states 2 accepting loop states [2021-08-27 15:20:06,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:20:06,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 40 transitions. [2021-08-27 15:20:06,766 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 40 transitions. Stem has 54 letters. Loop has 2 letters. [2021-08-27 15:20:06,766 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:20:06,766 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-27 15:20:06,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:20:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:20:06,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-27 15:20:06,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:20:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:20:07,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-27 15:20:07,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:20:07,104 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 15:20:07,105 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2021-08-27 15:20:07,105 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 68 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:20:07,169 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 68 transitions. cyclomatic complexity: 12. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 91 states and 110 transitions. Complement of second has 10 states. [2021-08-27 15:20:07,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 6 stem states 1 non-accepting loop states 2 accepting loop states [2021-08-27 15:20:07,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:20:07,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 42 transitions. [2021-08-27 15:20:07,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 42 transitions. Stem has 54 letters. Loop has 2 letters. [2021-08-27 15:20:07,170 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:20:07,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 42 transitions. Stem has 56 letters. Loop has 2 letters. [2021-08-27 15:20:07,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:20:07,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 42 transitions. Stem has 54 letters. Loop has 4 letters. [2021-08-27 15:20:07,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:20:07,171 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 91 states and 110 transitions. [2021-08-27 15:20:07,171 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-08-27 15:20:07,176 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 91 states to 87 states and 104 transitions. [2021-08-27 15:20:07,176 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 50 [2021-08-27 15:20:07,176 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 54 [2021-08-27 15:20:07,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 104 transitions. [2021-08-27 15:20:07,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:20:07,176 INFO L681 BuchiCegarLoop]: Abstraction has 87 states and 104 transitions. [2021-08-27 15:20:07,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states and 104 transitions. [2021-08-27 15:20:07,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 71. [2021-08-27 15:20:07,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 71 states have (on average 1.1549295774647887) internal successors, (82), 70 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:20:07,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 82 transitions. [2021-08-27 15:20:07,178 INFO L704 BuchiCegarLoop]: Abstraction has 71 states and 82 transitions. [2021-08-27 15:20:07,178 INFO L587 BuchiCegarLoop]: Abstraction has 71 states and 82 transitions. [2021-08-27 15:20:07,178 INFO L425 BuchiCegarLoop]: ======== Iteration 24============ [2021-08-27 15:20:07,178 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states and 82 transitions. [2021-08-27 15:20:07,185 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-08-27 15:20:07,185 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:20:07,185 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:20:07,195 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 5, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:20:07,195 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:20:07,196 INFO L791 eck$LassoCheckResult]: Stem: 8997#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 8998#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 9008#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 9006#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 9007#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 9033#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 9031#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 9030#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 9028#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 9026#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 9024#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 9023#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 9022#L33-3 assume !(main_~i~0 < 5); 9003#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 9004#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 9019#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 8995#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 8996#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 9040#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 9039#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 9038#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 9037#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 9036#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 9035#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 9034#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 9032#L37-3 assume !(main_~i~0 < 5); 9015#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 9016#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 9009#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 8993#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 8994#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 9010#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 9029#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 9027#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 9025#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 9021#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 9020#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 8991#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 8992#L42-4 main_~nc_B~0 := 0; 9017#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 9001#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 9002#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 9018#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 9046#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 9045#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 9043#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 9044#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 9061#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 9060#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 9059#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 9048#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 9013#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 9014#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 9011#L55 [2021-08-27 15:20:07,196 INFO L793 eck$LassoCheckResult]: Loop: 9011#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 9012#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 9011#L55 [2021-08-27 15:20:07,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:20:07,196 INFO L82 PathProgramCache]: Analyzing trace with hash -946162842, now seen corresponding path program 4 times [2021-08-27 15:20:07,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:20:07,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080931104] [2021-08-27 15:20:07,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:20:07,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:20:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:20:07,224 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:20:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:20:07,240 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:20:07,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:20:07,241 INFO L82 PathProgramCache]: Analyzing trace with hash 3708, now seen corresponding path program 4 times [2021-08-27 15:20:07,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:20:07,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716144326] [2021-08-27 15:20:07,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:20:07,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:20:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:20:07,245 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:20:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:20:07,247 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:20:07,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:20:07,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1270578337, now seen corresponding path program 9 times [2021-08-27 15:20:07,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:20:07,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712102815] [2021-08-27 15:20:07,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:20:07,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:20:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:20:07,262 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:20:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:20:07,275 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:20:16,821 WARN L207 SmtUtils]: Spent 9.48 s on a formula simplification. DAG size of input: 407 DAG size of output: 297 [2021-08-27 15:20:18,028 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:20:18,029 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:20:18,029 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:20:18,029 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:20:18,029 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:20:18,029 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:18,029 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:20:18,029 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:20:18,029 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration24_Lasso [2021-08-27 15:20:18,029 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:20:18,029 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:20:18,031 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 15:20:18,033 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 15:20:18,034 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 15:20:18,036 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 15:20:18,037 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 15:20:18,039 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 15:20:18,041 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 15:20:18,049 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 15:20:18,050 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 15:20:18,052 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 15:20:18,054 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 15:20:18,056 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 15:20:18,058 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 15:20:18,059 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 15:20:18,061 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 15:20:18,063 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 15:20:18,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:20:19,443 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 15:20:20,008 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:20:20,008 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:20:20,008 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:20,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:20,010 INFO L229 MonitoredProcess]: Starting monitored process 241 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 15:20:20,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Waiting until timeout for monitored process [2021-08-27 15:20:20,012 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 15:20:20,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:20,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:20,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:20,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:20,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:20,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:20,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:20,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:20,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:20,056 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:20,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:20,057 INFO L229 MonitoredProcess]: Starting monitored process 242 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 15:20:20,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Waiting until timeout for monitored process [2021-08-27 15:20:20,075 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 15:20:20,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:20,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:20,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:20,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:20,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:20,081 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:20,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:20,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:20,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:20,112 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:20,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:20,113 INFO L229 MonitoredProcess]: Starting monitored process 243 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 15:20:20,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Waiting until timeout for monitored process [2021-08-27 15:20:20,115 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 15:20:20,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:20,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:20,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:20,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:20,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:20,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:20,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:20,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:20,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:20,152 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:20,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:20,153 INFO L229 MonitoredProcess]: Starting monitored process 244 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 15:20:20,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Waiting until timeout for monitored process [2021-08-27 15:20:20,155 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 15:20:20,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:20,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:20,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:20,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:20,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:20,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:20,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:20,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:20,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:20,185 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:20,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:20,185 INFO L229 MonitoredProcess]: Starting monitored process 245 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 15:20:20,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Waiting until timeout for monitored process [2021-08-27 15:20:20,187 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 15:20:20,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:20,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:20,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:20,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:20,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:20:20,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:20,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:20,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:20,225 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:20,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:20,225 INFO L229 MonitoredProcess]: Starting monitored process 246 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 15:20:20,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Waiting until timeout for monitored process [2021-08-27 15:20:20,228 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 15:20:20,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:20,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:20,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:20,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:20,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:20,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:20,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:20,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:20,249 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Ended with exit code 0 [2021-08-27 15:20:20,250 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:20,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:20,250 INFO L229 MonitoredProcess]: Starting monitored process 247 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 15:20:20,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Waiting until timeout for monitored process [2021-08-27 15:20:20,253 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 15:20:20,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:20,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:20,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:20,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:20,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:20,258 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:20,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:20,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:20,294 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:20,295 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:20,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:20,296 INFO L229 MonitoredProcess]: Starting monitored process 248 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 15:20:20,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Waiting until timeout for monitored process [2021-08-27 15:20:20,303 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 15:20:20,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:20,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:20,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:20,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:20,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:20,310 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:20,310 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:20,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:20,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:20,328 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:20,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:20,328 INFO L229 MonitoredProcess]: Starting monitored process 249 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 15:20:20,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Waiting until timeout for monitored process [2021-08-27 15:20:20,330 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 15:20:20,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:20,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:20,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:20,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:20,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:20:20,339 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:20,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:20,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:20,366 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:20,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:20,367 INFO L229 MonitoredProcess]: Starting monitored process 250 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 15:20:20,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Waiting until timeout for monitored process [2021-08-27 15:20:20,368 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 15:20:20,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:20,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:20,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:20,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:20,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:20,385 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:20,385 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:20,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:20,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:20,449 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:20,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:20,451 INFO L229 MonitoredProcess]: Starting monitored process 251 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 15:20:20,473 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 15:20:20,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:20,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:20,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:20,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:20,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:20,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:20,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:20,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Waiting until timeout for monitored process [2021-08-27 15:20:20,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:20,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:20,506 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:20,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:20,506 INFO L229 MonitoredProcess]: Starting monitored process 252 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 15:20:20,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Waiting until timeout for monitored process [2021-08-27 15:20:20,508 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 15:20:20,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:20,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:20,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:20,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:20,516 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:20:20,516 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:20,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:20,545 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:20,546 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:20,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:20,546 INFO L229 MonitoredProcess]: Starting monitored process 253 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 15:20:20,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Waiting until timeout for monitored process [2021-08-27 15:20:20,549 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 15:20:20,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:20,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:20,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:20,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:20,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:20,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:20,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:20,570 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:20,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:20,586 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:20,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:20,587 INFO L229 MonitoredProcess]: Starting monitored process 254 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 15:20:20,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Waiting until timeout for monitored process [2021-08-27 15:20:20,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:20:20,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:20,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:20,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:20,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:20,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:20,595 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:20,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:20,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:20,623 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Ended with exit code 0 [2021-08-27 15:20:20,623 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:20,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:20,624 INFO L229 MonitoredProcess]: Starting monitored process 255 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 15:20:20,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Waiting until timeout for monitored process [2021-08-27 15:20:20,626 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 15:20:20,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:20,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:20,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:20,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:20,633 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:20:20,633 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:20,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:20,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:20,664 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:20,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:20,667 INFO L229 MonitoredProcess]: Starting monitored process 256 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 15:20:20,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Waiting until timeout for monitored process [2021-08-27 15:20:20,677 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 15:20:20,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:20,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:20,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:20,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:20,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:20,685 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:20,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:20,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:20,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:20,701 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:20,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:20,702 INFO L229 MonitoredProcess]: Starting monitored process 257 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 15:20:20,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (257)] Waiting until timeout for monitored process [2021-08-27 15:20:20,704 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 15:20:20,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:20,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:20,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:20,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:20,711 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:20:20,711 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:20,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:20,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (257)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:20,742 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:20,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:20,742 INFO L229 MonitoredProcess]: Starting monitored process 258 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 15:20:20,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Waiting until timeout for monitored process [2021-08-27 15:20:20,744 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 15:20:20,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:20,751 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-08-27 15:20:20,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:20,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:20,753 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-08-27 15:20:20,753 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:20,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:20,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:20,771 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:20,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:20,772 INFO L229 MonitoredProcess]: Starting monitored process 259 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 15:20:20,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Waiting until timeout for monitored process [2021-08-27 15:20:20,773 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 15:20:20,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:20,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:20,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:20,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:20,782 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:20:20,782 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:20,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:20,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:20,801 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:20,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:20,801 INFO L229 MonitoredProcess]: Starting monitored process 260 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 15:20:20,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Waiting until timeout for monitored process [2021-08-27 15:20:20,803 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 15:20:20,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:20,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:20,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:20,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:20,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:20:20,811 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:20,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:20,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:20,829 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:20,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:20,829 INFO L229 MonitoredProcess]: Starting monitored process 261 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 15:20:20,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Waiting until timeout for monitored process [2021-08-27 15:20:20,831 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 15:20:20,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:20,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:20,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:20,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:20,839 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:20:20,839 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:20,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:20,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:20,864 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:20,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:20,865 INFO L229 MonitoredProcess]: Starting monitored process 262 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 15:20:20,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Waiting until timeout for monitored process [2021-08-27 15:20:20,867 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 15:20:20,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:20,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:20,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:20,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:20,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:20,874 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:20,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:20,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:20,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:20,891 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:20,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:20,891 INFO L229 MonitoredProcess]: Starting monitored process 263 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 15:20:20,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Waiting until timeout for monitored process [2021-08-27 15:20:20,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:20:20,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:20,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:20,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:20,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:20,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:20:20,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:20,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:20,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:20,932 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:20,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:20,933 INFO L229 MonitoredProcess]: Starting monitored process 264 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 15:20:20,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Waiting until timeout for monitored process [2021-08-27 15:20:20,935 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 15:20:20,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:20,942 INFO L203 nArgumentSynthesizer]: 8 stem disjuncts [2021-08-27 15:20:20,942 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 15:20:20,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:21,012 INFO L401 nArgumentSynthesizer]: We have 44 Motzkin's Theorem applications. [2021-08-27 15:20:21,013 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-08-27 15:20:21,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:21,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:21,114 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:21,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:21,115 INFO L229 MonitoredProcess]: Starting monitored process 265 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 15:20:21,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Waiting until timeout for monitored process [2021-08-27 15:20:21,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:20:21,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:21,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:21,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:21,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:21,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:21,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:21,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:21,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:21,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:21,153 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:21,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:21,154 INFO L229 MonitoredProcess]: Starting monitored process 266 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 15:20:21,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Waiting until timeout for monitored process [2021-08-27 15:20:21,156 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 15:20:21,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:21,163 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-08-27 15:20:21,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:21,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:21,165 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-08-27 15:20:21,165 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:21,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:21,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:21,225 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:21,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:21,226 INFO L229 MonitoredProcess]: Starting monitored process 267 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 15:20:21,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Waiting until timeout for monitored process [2021-08-27 15:20:21,232 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 15:20:21,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:21,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:20:21,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:21,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:21,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:21,238 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:20:21,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:20:21,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:21,291 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Ended with exit code 0 [2021-08-27 15:20:21,292 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:21,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:21,303 INFO L229 MonitoredProcess]: Starting monitored process 268 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 15:20:21,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Waiting until timeout for monitored process [2021-08-27 15:20:21,321 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 15:20:21,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:21,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:21,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:21,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:21,328 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:20:21,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:21,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:20:21,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:21,359 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:21,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:21,360 INFO L229 MonitoredProcess]: Starting monitored process 269 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 15:20:21,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Waiting until timeout for monitored process [2021-08-27 15:20:21,362 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 15:20:21,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:20:21,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:20:21,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:20:21,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:20:21,376 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:20:21,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:20:21,397 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:20:21,416 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2021-08-27 15:20:21,416 INFO L444 ModelExtractionUtils]: 3 out of 31 variables were initially zero. Simplification set additionally 24 variables to zero. [2021-08-27 15:20:21,416 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:20:21,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:21,424 INFO L229 MonitoredProcess]: Starting monitored process 270 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 15:20:21,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Waiting until timeout for monitored process [2021-08-27 15:20:21,426 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:20:21,447 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 15:20:21,447 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:20:21,447 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~nc_A~0, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~nc_A~0 + 1*ULTIMATE.start_main_~j~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-08-27 15:20:21,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:21,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:21,681 INFO L297 tatePredicateManager]: 67 out of 67 supporting invariants were superfluous and have been removed [2021-08-27 15:20:21,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:20:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:20:21,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:20:21,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:20:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:20:21,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 15:20:21,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:20:21,896 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 15:20:21,897 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-08-27 15:20:21,897 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 71 states and 82 transitions. cyclomatic complexity: 17 Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:20:21,924 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 71 states and 82 transitions. cyclomatic complexity: 17. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 105 states and 129 transitions. Complement of second has 6 states. [2021-08-27 15:20:21,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-27 15:20:21,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:20:21,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2021-08-27 15:20:21,936 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 53 letters. Loop has 2 letters. [2021-08-27 15:20:21,936 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:20:21,937 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 55 letters. Loop has 2 letters. [2021-08-27 15:20:21,937 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:20:21,937 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 53 letters. Loop has 4 letters. [2021-08-27 15:20:21,937 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:20:21,937 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 105 states and 129 transitions. [2021-08-27 15:20:21,938 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 15:20:21,938 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 105 states to 72 states and 82 transitions. [2021-08-27 15:20:21,938 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2021-08-27 15:20:21,938 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40 [2021-08-27 15:20:21,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 82 transitions. [2021-08-27 15:20:21,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:20:21,939 INFO L681 BuchiCegarLoop]: Abstraction has 72 states and 82 transitions. [2021-08-27 15:20:21,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 82 transitions. [2021-08-27 15:20:21,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 65. [2021-08-27 15:20:21,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 1.123076923076923) internal successors, (73), 64 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:20:21,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 73 transitions. [2021-08-27 15:20:21,940 INFO L704 BuchiCegarLoop]: Abstraction has 65 states and 73 transitions. [2021-08-27 15:20:21,940 INFO L587 BuchiCegarLoop]: Abstraction has 65 states and 73 transitions. [2021-08-27 15:20:21,940 INFO L425 BuchiCegarLoop]: ======== Iteration 25============ [2021-08-27 15:20:21,940 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 73 transitions. [2021-08-27 15:20:21,940 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-27 15:20:21,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:20:21,941 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:20:21,941 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [6, 5, 5, 5, 5, 5, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:20:21,941 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-27 15:20:21,941 INFO L791 eck$LassoCheckResult]: Stem: 9629#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 9630#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 9640#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 9638#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 9639#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 9671#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 9670#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 9669#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 9668#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 9666#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 9664#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 9662#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 9660#L33-3 assume !(main_~i~0 < 5); 9635#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 9636#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 9655#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 9627#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 9628#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 9682#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 9681#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 9680#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 9679#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 9678#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 9677#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 9676#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 9675#L37-3 assume !(main_~i~0 < 5); 9646#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 9647#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 9641#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 9625#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 9626#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 9642#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 9674#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 9673#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 9672#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 9657#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 9656#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 9623#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 9624#L42-4 main_~nc_B~0 := 0; 9652#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 9653#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 9654#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 9633#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 9634#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 9667#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 9665#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 9663#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 9661#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 9659#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 9658#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 9631#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 9632#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 9637#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 9643#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 9644#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 9687#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 9686#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 9685#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 9648#L55-2 [2021-08-27 15:20:21,941 INFO L793 eck$LassoCheckResult]: Loop: 9648#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 9649#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 9648#L55-2 [2021-08-27 15:20:21,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:20:21,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1067820112, now seen corresponding path program 10 times [2021-08-27 15:20:21,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:20:21,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619891] [2021-08-27 15:20:21,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:20:21,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:20:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:20:22,081 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-08-27 15:20:22,082 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:20:22,082 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619891] [2021-08-27 15:20:22,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619891] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:20:22,082 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114202914] [2021-08-27 15:20:22,082 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-27 15:20:22,082 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 15:20:22,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:20:22,109 INFO L229 MonitoredProcess]: Starting monitored process 271 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 15:20:22,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (271)] Waiting until timeout for monitored process [2021-08-27 15:20:22,900 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-27 15:20:22,900 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-27 15:20:22,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-27 15:20:22,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:20:22,925 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-08-27 15:20:22,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2021-08-27 15:20:23,324 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-08-27 15:20:23,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114202914] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:20:23,325 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-27 15:20:23,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2021-08-27 15:20:23,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640912646] [2021-08-27 15:20:23,326 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:20:23,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:20:23,326 INFO L82 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 12 times [2021-08-27 15:20:23,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:20:23,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317446121] [2021-08-27 15:20:23,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:20:23,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:20:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:20:23,331 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:20:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:20:23,332 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:20:23,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:20:23,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-27 15:20:23,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2021-08-27 15:20:23,393 INFO L87 Difference]: Start difference. First operand 65 states and 73 transitions. cyclomatic complexity: 14 Second operand has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:20:23,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:20:23,447 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2021-08-27 15:20:23,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-27 15:20:23,448 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 50 transitions. [2021-08-27 15:20:23,450 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:20:23,450 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 0 states and 0 transitions. [2021-08-27 15:20:23,450 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 15:20:23,450 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 15:20:23,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 15:20:23,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:20:23,451 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:20:23,451 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:20:23,451 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:20:23,451 INFO L425 BuchiCegarLoop]: ======== Iteration 26============ [2021-08-27 15:20:23,451 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 15:20:23,451 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:20:23,451 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 15:20:23,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 03:20:23 BoogieIcfgContainer [2021-08-27 15:20:23,455 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 15:20:23,456 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 15:20:23,456 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 15:20:23,456 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 15:20:23,456 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:18:18" (3/4) ... [2021-08-27 15:20:23,459 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 15:20:23,459 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 15:20:23,460 INFO L168 Benchmark]: Toolchain (without parser) took 125699.44 ms. Allocated memory was 54.5 MB in the beginning and 750.8 MB in the end (delta: 696.3 MB). Free memory was 31.6 MB in the beginning and 402.0 MB in the end (delta: -370.4 MB). Peak memory consumption was 324.5 MB. Max. memory is 16.1 GB. [2021-08-27 15:20:23,460 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 54.5 MB. Free memory was 37.1 MB in the beginning and 37.0 MB in the end (delta: 36.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:20:23,460 INFO L168 Benchmark]: CACSL2BoogieTranslator took 213.82 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 31.4 MB in the beginning and 56.2 MB in the end (delta: -24.8 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2021-08-27 15:20:23,461 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.66 ms. Allocated memory is still 73.4 MB. Free memory was 56.2 MB in the beginning and 54.6 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:20:23,461 INFO L168 Benchmark]: Boogie Preprocessor took 33.19 ms. Allocated memory is still 73.4 MB. Free memory was 54.6 MB in the beginning and 53.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 15:20:23,464 INFO L168 Benchmark]: RCFGBuilder took 328.60 ms. Allocated memory is still 73.4 MB. Free memory was 53.3 MB in the beginning and 52.8 MB in the end (delta: 450.3 kB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2021-08-27 15:20:23,464 INFO L168 Benchmark]: BuchiAutomizer took 125080.17 ms. Allocated memory was 73.4 MB in the beginning and 750.8 MB in the end (delta: 677.4 MB). Free memory was 52.5 MB in the beginning and 403.0 MB in the end (delta: -350.5 MB). Peak memory consumption was 327.9 MB. Max. memory is 16.1 GB. [2021-08-27 15:20:23,464 INFO L168 Benchmark]: Witness Printer took 3.40 ms. Allocated memory is still 750.8 MB. Free memory is still 402.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:20:23,466 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 54.5 MB. Free memory was 37.1 MB in the beginning and 37.0 MB in the end (delta: 36.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 213.82 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 31.4 MB in the beginning and 56.2 MB in the end (delta: -24.8 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.66 ms. Allocated memory is still 73.4 MB. Free memory was 56.2 MB in the beginning and 54.6 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.19 ms. Allocated memory is still 73.4 MB. Free memory was 54.6 MB in the beginning and 53.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 328.60 ms. Allocated memory is still 73.4 MB. Free memory was 53.3 MB in the beginning and 52.8 MB in the end (delta: 450.3 kB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 125080.17 ms. Allocated memory was 73.4 MB in the beginning and 750.8 MB in the end (delta: 677.4 MB). Free memory was 52.5 MB in the beginning and 403.0 MB in the end (delta: -350.5 MB). Peak memory consumption was 327.9 MB. Max. memory is 16.1 GB. * Witness Printer took 3.40 ms. Allocated memory is still 750.8 MB. Free memory is still 402.0 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 25 terminating modules (13 trivial, 10 deterministic, 2 nondeterministic). One deterministic module has affine ranking function 9 * unknown-#length-unknown[string_A] + -2 * i and consists of 5 locations. One deterministic module has affine ranking function -1 * nc_A + unknown-#length-unknown[string_A] + -1 * string_A and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[string_B] + -1 * nc_B + -1 * string_B and consists of 3 locations. One deterministic module has affine ranking function nc_A + -1 * i and consists of 3 locations. One deterministic module has affine ranking function 3 * unknown-#length-unknown[string_B] + -2 * i and consists of 9 locations. One deterministic module has affine ranking function unknown-#length-unknown[string_B] + -1 * j + -1 * string_B and consists of 3 locations. One deterministic module has affine ranking function 3 * unknown-#length-unknown[string_B] + -5 * i and consists of 14 locations. One deterministic module has affine ranking function 2 * j + -2 * i + nc_A and consists of 15 locations. One deterministic module has affine ranking function 2 * j + unknown-#length-unknown[string_A] + -2 * i and consists of 11 locations. One deterministic module has affine ranking function j + nc_A + -1 * i and consists of 4 locations. One nondeterministic module has affine ranking function 3 * unknown-#length-unknown[string_B] + -5 * i and consists of 20 locations. One nondeterministic module has affine ranking function 7 * unknown-#length-unknown[string_A] + -2 * j and consists of 9 locations. 13 modules have a trivial ranking function, the largest among these consists of 16 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 125.0s and 26 iterations. TraceHistogramMax:6. Analysis of lassos took 114.2s. Construction of modules took 1.1s. Büchi inclusion checks took 9.3s. Highest rank in rank-based complementation 3. Minimization of det autom 8. Minimization of nondet autom 17. Automata minimization 62.2ms AutomataMinimizationTime, 24 MinimizatonAttempts, 126 StatesRemovedByMinimization, 19 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 84 states and ocurred in iteration 20. Nontrivial modules had stage [10, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 441 SDtfs, 982 SDslu, 865 SDs, 0 SdLazy, 2121 SolverSat, 425 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1196.6ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc4 concLT0 SILN0 SILU9 SILI0 SILT0 lasso12 LassoPreprocessingBenchmarks: Lassos: inital424 mio100 ax100 hnf99 lsp96 ukn44 mio100 lsp48 div100 bol100 ite100 ukn100 eq176 hnf92 smp96 dnf451 smp85 tf100 neg94 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 151ms VariablesStem: 9 VariablesLoop: 7 DisjunctsStem: 8 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 44 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 15:20:23,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (271)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:23,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (227)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:23,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (115)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:24,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:24,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (90)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:24,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:24,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:24,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:25,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:25,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2021-08-27 15:20:25,529 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2021-08-27 15:20:25,733 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...