./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7a5d554c80523420ffafe318e54a94b7662019572fad78d6e8fce2ccc83674b0 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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-b2eff8b [2021-10-28 09:05:52,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:05:52,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:05:52,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:05:52,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:05:52,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:05:52,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:05:52,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:05:52,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:05:52,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:05:52,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:05:52,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:05:52,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:05:52,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:05:52,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:05:53,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:05:53,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:05:53,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:05:53,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:05:53,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:05:53,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:05:53,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:05:53,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:05:53,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:05:53,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:05:53,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:05:53,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:05:53,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:05:53,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:05:53,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:05:53,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:05:53,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:05:53,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:05:53,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:05:53,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:05:53,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:05:53,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:05:53,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:05:53,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:05:53,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:05:53,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:05:53,041 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 09:05:53,072 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:05:53,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:05:53,073 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:05:53,073 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:05:53,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:05:53,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:05:53,076 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:05:53,076 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:05:53,076 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:05:53,077 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:05:53,077 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:05:53,078 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:05:53,078 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:05:53,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:05:53,079 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:05:53,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:05:53,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:05:53,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:05:53,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:05:53,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:05:53,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:05:53,081 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:05:53,082 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:05:53,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:05:53,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:05:53,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:05:53,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:05:53,084 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:05:53,084 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:05:53,085 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:05:53,086 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a5d554c80523420ffafe318e54a94b7662019572fad78d6e8fce2ccc83674b0 [2021-10-28 09:05:53,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:05:53,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:05:53,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:05:53,464 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:05:53,465 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:05:53,466 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2021-10-28 09:05:53,536 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/data/2dbf0c78d/3326a7a403454e9096517ea2f42656a1/FLAGc4c424dce [2021-10-28 09:05:54,069 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:05:54,070 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2021-10-28 09:05:54,078 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/data/2dbf0c78d/3326a7a403454e9096517ea2f42656a1/FLAGc4c424dce [2021-10-28 09:05:54,441 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/data/2dbf0c78d/3326a7a403454e9096517ea2f42656a1 [2021-10-28 09:05:54,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:05:54,448 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:05:54,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:05:54,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:05:54,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:05:54,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:05:54" (1/1) ... [2021-10-28 09:05:54,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e1dbb41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:05:54, skipping insertion in model container [2021-10-28 09:05:54,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:05:54" (1/1) ... [2021-10-28 09:05:54,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:05:54,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:05:54,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:05:54,711 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:05:54,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:05:54,746 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:05:54,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:05:54 WrapperNode [2021-10-28 09:05:54,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:05:54,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:05:54,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:05:54,749 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:05:54,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:05:54" (1/1) ... [2021-10-28 09:05:54,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:05:54" (1/1) ... [2021-10-28 09:05:54,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:05:54,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:05:54,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:05:54,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:05:54,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:05:54" (1/1) ... [2021-10-28 09:05:54,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:05:54" (1/1) ... [2021-10-28 09:05:54,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:05:54" (1/1) ... [2021-10-28 09:05:54,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:05:54" (1/1) ... [2021-10-28 09:05:54,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:05:54" (1/1) ... [2021-10-28 09:05:54,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:05:54" (1/1) ... [2021-10-28 09:05:54,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:05:54" (1/1) ... [2021-10-28 09:05:54,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:05:54,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:05:54,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:05:54,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:05:54,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:05:54" (1/1) ... [2021-10-28 09:05:54,823 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:54,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:54,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:54,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:05:54,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:05:54,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:05:55,073 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:05:55,074 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-28 09:05:55,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:05:55 BoogieIcfgContainer [2021-10-28 09:05:55,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:05:55,078 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:05:55,078 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:05:55,082 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:05:55,083 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:05:55,084 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:05:54" (1/3) ... [2021-10-28 09:05:55,086 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30508a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:05:55, skipping insertion in model container [2021-10-28 09:05:55,086 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:05:55,086 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:05:54" (2/3) ... [2021-10-28 09:05:55,087 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30508a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:05:55, skipping insertion in model container [2021-10-28 09:05:55,087 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:05:55,087 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:05:55" (3/3) ... [2021-10-28 09:05:55,089 INFO L389 chiAutomizerObserver]: Analyzing ICFG McCarthy91_Iteration.c [2021-10-28 09:05:55,167 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:05:55,167 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:05:55,167 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:05:55,168 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:05:55,168 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:05:55,168 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:05:55,169 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:05:55,169 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:05:55,186 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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) [2021-10-28 09:05:55,206 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 09:05:55,207 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:05:55,207 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:05:55,214 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 09:05:55,214 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:05:55,214 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:05:55,215 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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) [2021-10-28 09:05:55,216 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 09:05:55,216 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:05:55,216 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:05:55,217 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 09:05:55,217 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:05:55,225 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 7#L15-2true [2021-10-28 09:05:55,225 INFO L793 eck$LassoCheckResult]: Loop: 7#L15-2true assume !!(main_~c~0 > 0); 5#L15true assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 7#L15-2true [2021-10-28 09:05:55,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:05:55,232 INFO L85 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-28 09:05:55,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:05:55,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720249036] [2021-10-28 09:05:55,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:05:55,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:05:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:55,341 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:05:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:55,361 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:05:55,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:05:55,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2021-10-28 09:05:55,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:05:55,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157854191] [2021-10-28 09:05:55,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:05:55,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:05:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:55,380 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:05:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:55,388 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:05:55,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:05:55,390 INFO L85 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2021-10-28 09:05:55,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:05:55,391 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192198599] [2021-10-28 09:05:55,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:05:55,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:05:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:55,403 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:05:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:55,412 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:05:55,538 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:05:55,554 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:05:55,554 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:05:55,554 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:05:55,555 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:05:55,555 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:55,555 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:05:55,555 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:05:55,556 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration1_Loop [2021-10-28 09:05:55,556 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:05:55,556 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:05:55,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:55,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:55,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:55,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:55,786 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:05:55,802 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:05:55,805 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:55,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:55,811 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:55,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:05:55,824 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:05:55,824 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:05:55,863 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:05:55,863 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:05:55,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:55,907 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:55,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:55,909 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:55,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:05:55,912 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:05:55,914 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:05:55,942 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:05:55,942 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:05:55,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:55,971 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:55,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:55,972 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:55,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:05:55,975 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:05:55,976 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:05:56,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:56,017 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:56,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:56,019 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:56,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:05:56,021 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:05:56,021 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:05:56,099 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:05:56,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:56,106 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:05:56,106 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:05:56,106 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:05:56,106 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:05:56,106 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:05:56,107 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:56,107 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:05:56,107 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:05:56,107 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration1_Loop [2021-10-28 09:05:56,107 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:05:56,107 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:05:56,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:56,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:56,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:56,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:56,223 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:05:56,229 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:05:56,230 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:56,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:56,232 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:56,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:05:56,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:05:56,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:05:56,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:05:56,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:05:56,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:05:56,277 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:05:56,277 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:05:56,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:05:56,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:56,340 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:56,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:56,342 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:56,348 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 [2021-10-28 09:05:56,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:05:56,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:05:56,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:05:56,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:05:56,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:05:56,365 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:05:56,366 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:05:56,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:05:56,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:56,416 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:56,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:56,417 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:56,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:05:56,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:05:56,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:05:56,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:05:56,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:05:56,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:05:56,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:05:56,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:05:56,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:05:56,446 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:05:56,458 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:05:56,459 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-28 09:05:56,461 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:56,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:56,482 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:56,503 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:05:56,503 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:05:56,503 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:05:56,504 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2021-10-28 09:05:56,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:05:56,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:56,554 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:05:56,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:05:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:05:56,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:05:56,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:05:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:05:56,619 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:05:56,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:05:56,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:05:56,656 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-10-28 09:05:56,658 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-10-28 09:05:56,700 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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 23 states and 30 transitions. Complement of second has 6 states. [2021-10-28 09:05:56,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 09:05:56,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-10-28 09:05:56,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2021-10-28 09:05:56,706 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. [2021-10-28 09:05:56,707 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:05:56,707 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. [2021-10-28 09:05:56,707 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:05:56,707 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. [2021-10-28 09:05:56,708 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:05:56,709 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2021-10-28 09:05:56,712 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 09:05:56,716 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2021-10-28 09:05:56,718 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-10-28 09:05:56,718 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2021-10-28 09:05:56,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2021-10-28 09:05:56,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:05:56,719 INFO L681 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-10-28 09:05:56,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2021-10-28 09:05:56,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-10-28 09:05:56,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:05:56,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2021-10-28 09:05:56,750 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-10-28 09:05:56,751 INFO L587 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-10-28 09:05:56,751 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:05:56,751 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2021-10-28 09:05:56,752 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 09:05:56,752 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:05:56,752 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:05:56,752 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 09:05:56,752 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:05:56,753 INFO L791 eck$LassoCheckResult]: Stem: 63#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 64#L15-2 assume !!(main_~c~0 > 0); 65#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 66#L15-2 [2021-10-28 09:05:56,753 INFO L793 eck$LassoCheckResult]: Loop: 66#L15-2 assume !!(main_~c~0 > 0); 69#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 66#L15-2 [2021-10-28 09:05:56,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:05:56,754 INFO L85 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2021-10-28 09:05:56,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:05:56,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263436537] [2021-10-28 09:05:56,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:05:56,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:05:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:56,769 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:05:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:56,785 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:05:56,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:05:56,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 2 times [2021-10-28 09:05:56,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:05:56,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863800681] [2021-10-28 09:05:56,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:05:56,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:05:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:56,794 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:05:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:56,799 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:05:56,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:05:56,800 INFO L85 PathProgramCache]: Analyzing trace with hash 29865320, now seen corresponding path program 1 times [2021-10-28 09:05:56,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:05:56,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362002470] [2021-10-28 09:05:56,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:05:56,801 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:05:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:56,811 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:05:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:56,820 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:05:56,900 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:05:56,900 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:05:56,900 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:05:56,900 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:05:56,900 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:05:56,901 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:56,901 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:05:56,901 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:05:56,901 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration2_Loop [2021-10-28 09:05:56,901 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:05:56,901 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:05:56,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:56,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:56,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:56,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:56,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:57,006 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:05:57,006 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:05:57,006 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:57,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:57,010 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:57,013 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:05:57,014 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:05:57,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:05:57,058 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:05:57,058 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:05:57,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:57,104 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:57,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:57,106 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:57,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:05:57,119 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:05:57,121 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:05:57,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:57,188 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:57,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:57,190 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:57,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 09:05:57,196 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:05:57,196 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:05:57,238 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:05:57,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:57,241 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:05:57,241 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:05:57,241 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:05:57,241 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:05:57,241 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:05:57,242 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:57,242 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:05:57,242 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:05:57,242 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration2_Loop [2021-10-28 09:05:57,242 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:05:57,242 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:05:57,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:57,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:57,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:57,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:57,343 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:05:57,343 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:05:57,344 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:57,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:57,345 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:57,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:05:57,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:05:57,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:05:57,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:05:57,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:05:57,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 09:05:57,376 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:05:57,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:05:57,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:05:57,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:57,425 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:57,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:57,426 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:57,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 09:05:57,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:05:57,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:05:57,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:05:57,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:05:57,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:05:57,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:05:57,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:05:57,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:05:57,443 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:05:57,447 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:05:57,447 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-28 09:05:57,447 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:57,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:57,448 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:57,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 09:05:57,453 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:05:57,454 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:05:57,454 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:05:57,454 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~c~0) = 1*ULTIMATE.start_main_~c~0 Supporting invariants [] [2021-10-28 09:05:57,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:57,481 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:05:57,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:05:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:05:57,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:05:57,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:05:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:05:57,536 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:05:57,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:05:57,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:05:57,582 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 [2021-10-28 09:05:57,583 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 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) [2021-10-28 09:05:57,602 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 11 states and 16 transitions. Complement of second has 5 states. [2021-10-28 09:05:57,602 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 [2021-10-28 09:05:57,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:05:57,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-10-28 09:05:57,604 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 2 letters. [2021-10-28 09:05:57,606 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:05:57,606 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-28 09:05:57,606 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:05:57,607 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 4 letters. [2021-10-28 09:05:57,607 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:05:57,611 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 16 transitions. [2021-10-28 09:05:57,613 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 09:05:57,616 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 16 transitions. [2021-10-28 09:05:57,616 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-10-28 09:05:57,617 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-10-28 09:05:57,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 16 transitions. [2021-10-28 09:05:57,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:05:57,619 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2021-10-28 09:05:57,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 16 transitions. [2021-10-28 09:05:57,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-10-28 09:05:57,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 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) [2021-10-28 09:05:57,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2021-10-28 09:05:57,627 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2021-10-28 09:05:57,627 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2021-10-28 09:05:57,627 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 09:05:57,628 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 16 transitions. [2021-10-28 09:05:57,628 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 09:05:57,628 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:05:57,629 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:05:57,629 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2021-10-28 09:05:57,629 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:05:57,629 INFO L791 eck$LassoCheckResult]: Stem: 117#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 118#L15-2 assume !!(main_~c~0 > 0); 119#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 120#L15-2 assume !!(main_~c~0 > 0); 125#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 123#L15-2 [2021-10-28 09:05:57,630 INFO L793 eck$LassoCheckResult]: Loop: 123#L15-2 assume !!(main_~c~0 > 0); 124#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 123#L15-2 [2021-10-28 09:05:57,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:05:57,630 INFO L85 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 2 times [2021-10-28 09:05:57,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:05:57,631 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143711522] [2021-10-28 09:05:57,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:05:57,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:05:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:57,652 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:05:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:57,660 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:05:57,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:05:57,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 3 times [2021-10-28 09:05:57,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:05:57,665 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952374541] [2021-10-28 09:05:57,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:05:57,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:05:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:57,686 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:05:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:57,690 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:05:57,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:05:57,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1364196307, now seen corresponding path program 2 times [2021-10-28 09:05:57,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:05:57,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070180297] [2021-10-28 09:05:57,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:05:57,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:05:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:57,717 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:05:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:57,732 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:05:57,769 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:05:57,769 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:05:57,770 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:05:57,770 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:05:57,770 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:05:57,770 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:57,770 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:05:57,770 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:05:57,770 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration3_Loop [2021-10-28 09:05:57,771 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:05:57,771 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:05:57,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:57,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:57,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:57,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:57,884 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:05:57,884 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:05:57,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:57,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:57,886 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:57,890 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:05:57,890 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:05:57,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 09:05:57,921 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:05:57,921 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:05:57,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:57,970 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:57,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:57,972 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:57,979 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:05:57,979 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:05:57,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 09:05:58,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:58,050 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:58,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:58,051 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:58,058 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:05:58,058 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:05:58,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 09:05:58,137 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:05:58,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:58,140 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:05:58,140 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:05:58,141 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:05:58,141 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:05:58,141 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:05:58,141 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:58,141 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:05:58,141 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:05:58,141 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration3_Loop [2021-10-28 09:05:58,141 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:05:58,141 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:05:58,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:58,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:58,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:58,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:58,254 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:05:58,254 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:05:58,254 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:58,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:58,258 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:58,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:58,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 09:05:58,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:05:58,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:05:58,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:05:58,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:05:58,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:05:58,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:05:58,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:05:58,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:05:58,325 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:05:58,331 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:05:58,331 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-28 09:05:58,331 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:58,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:58,333 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:58,344 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:05:58,344 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:05:58,344 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:05:58,344 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~c~0) = 1*ULTIMATE.start_main_~c~0 Supporting invariants [] [2021-10-28 09:05:58,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 09:05:58,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:58,391 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:05:58,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:05:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:05:58,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:05:58,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:05:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:05:58,448 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:05:58,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:05:58,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:05:58,470 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 [2021-10-28 09:05:58,470 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:05:58,483 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 20 transitions. Complement of second has 5 states. [2021-10-28 09:05:58,484 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 [2021-10-28 09:05:58,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:05:58,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-10-28 09:05:58,485 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-28 09:05:58,485 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:05:58,485 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:05:58,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:05:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:05:58,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:05:58,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:05:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:05:58,527 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:05:58,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:05:58,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:05:58,548 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:05:58,549 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:05:58,561 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 20 transitions. Complement of second has 5 states. [2021-10-28 09:05:58,562 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 [2021-10-28 09:05:58,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:05:58,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-10-28 09:05:58,563 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-28 09:05:58,563 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:05:58,563 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:05:58,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:05:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:05:58,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:05:58,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:05:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:05:58,603 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:05:58,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:05:58,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:05:58,624 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:05:58,624 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:05:58,637 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 23 transitions. Complement of second has 4 states. [2021-10-28 09:05:58,638 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 [2021-10-28 09:05:58,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:05:58,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2021-10-28 09:05:58,639 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-28 09:05:58,639 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:05:58,639 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-28 09:05:58,640 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:05:58,640 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-28 09:05:58,640 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:05:58,640 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 23 transitions. [2021-10-28 09:05:58,642 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:05:58,643 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 13 states and 19 transitions. [2021-10-28 09:05:58,643 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2021-10-28 09:05:58,643 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-10-28 09:05:58,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 19 transitions. [2021-10-28 09:05:58,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:05:58,644 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2021-10-28 09:05:58,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 19 transitions. [2021-10-28 09:05:58,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 5. [2021-10-28 09:05:58,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 states have internal predecessors, (7), 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) [2021-10-28 09:05:58,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2021-10-28 09:05:58,646 INFO L704 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2021-10-28 09:05:58,646 INFO L587 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2021-10-28 09:05:58,646 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 09:05:58,646 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 7 transitions. [2021-10-28 09:05:58,647 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:05:58,647 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:05:58,647 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:05:58,647 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 09:05:58,647 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:05:58,648 INFO L791 eck$LassoCheckResult]: Stem: 264#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 265#L15-2 [2021-10-28 09:05:58,648 INFO L793 eck$LassoCheckResult]: Loop: 265#L15-2 assume !!(main_~c~0 > 0); 266#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 265#L15-2 [2021-10-28 09:05:58,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:05:58,648 INFO L85 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2021-10-28 09:05:58,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:05:58,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430146356] [2021-10-28 09:05:58,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:05:58,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:05:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:58,654 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:05:58,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:58,658 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:05:58,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:05:58,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1286, now seen corresponding path program 1 times [2021-10-28 09:05:58,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:05:58,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970706031] [2021-10-28 09:05:58,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:05:58,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:05:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:58,666 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:05:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:58,670 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:05:58,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:05:58,671 INFO L85 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 3 times [2021-10-28 09:05:58,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:05:58,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221213581] [2021-10-28 09:05:58,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:05:58,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:05:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:58,678 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:05:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:58,683 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:05:58,713 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:05:58,713 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:05:58,713 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:05:58,714 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:05:58,714 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:05:58,714 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:58,714 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:05:58,714 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:05:58,714 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration4_Loop [2021-10-28 09:05:58,714 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:05:58,715 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:05:58,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:58,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:58,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:58,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:58,800 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:05:58,800 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:05:58,800 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:58,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:58,802 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:58,807 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:05:58,807 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:05:58,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 09:05:58,834 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:05:58,834 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:05:58,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:58,883 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:58,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:58,884 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:58,896 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:05:58,896 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:05:58,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 09:05:58,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:58,977 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:58,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:58,978 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:58,983 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:05:58,983 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:05:59,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 09:05:59,012 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:05:59,012 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=1} Honda state: {ULTIMATE.start_main_~c~0=1} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=0}, {ULTIMATE.start_main_~c~0=1}, {ULTIMATE.start_main_~c~0=0}] Lambdas: [0, 1, 0] Nus: [0, 0] [2021-10-28 09:05:59,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:59,057 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:59,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:59,059 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:59,063 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:05:59,063 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:05:59,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 09:05:59,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:59,127 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:59,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:59,128 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:59,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 09:05:59,130 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:05:59,130 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:05:59,194 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:05:59,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:59,200 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:05:59,200 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:05:59,200 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:05:59,200 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:05:59,200 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:05:59,201 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:59,201 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:05:59,201 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:05:59,201 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration4_Loop [2021-10-28 09:05:59,201 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:05:59,201 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:05:59,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:59,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:59,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:59,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:59,308 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:05:59,308 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:05:59,308 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:59,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:59,322 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:59,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 09:05:59,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:05:59,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:05:59,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:05:59,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:05:59,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:05:59,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:05:59,403 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:05:59,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:05:59,418 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:05:59,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:59,476 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:59,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:59,477 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:59,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:05:59,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:05:59,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:05:59,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:05:59,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:05:59,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:05:59,493 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:05:59,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:05:59,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 09:05:59,513 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:05:59,516 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:05:59,517 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 09:05:59,517 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:59,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:59,519 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:59,526 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:05:59,527 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:05:59,527 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:05:59,527 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = -2*ULTIMATE.start_main_~n~0 + 211 Supporting invariants [] [2021-10-28 09:05:59,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 09:05:59,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-28 09:05:59,554 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:05:59,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:05:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:05:59,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:05:59,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:05:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:05:59,593 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:05:59,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:05:59,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:05:59,604 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-10-28 09:05:59,605 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 5 states and 7 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-10-28 09:05:59,623 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 5 states and 7 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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 11 states and 17 transitions. Complement of second has 5 states. [2021-10-28 09:05:59,625 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 [2021-10-28 09:05:59,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-10-28 09:05:59,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. [2021-10-28 09:05:59,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 3 transitions. Stem has 1 letters. Loop has 2 letters. [2021-10-28 09:05:59,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:05:59,632 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 3 transitions. Stem has 3 letters. Loop has 2 letters. [2021-10-28 09:05:59,632 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:05:59,633 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 3 transitions. Stem has 1 letters. Loop has 4 letters. [2021-10-28 09:05:59,634 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:05:59,635 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 17 transitions. [2021-10-28 09:05:59,637 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:05:59,640 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 9 states and 13 transitions. [2021-10-28 09:05:59,640 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-10-28 09:05:59,640 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2021-10-28 09:05:59,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 13 transitions. [2021-10-28 09:05:59,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:05:59,641 INFO L681 BuchiCegarLoop]: Abstraction has 9 states and 13 transitions. [2021-10-28 09:05:59,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 13 transitions. [2021-10-28 09:05:59,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2021-10-28 09:05:59,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.5) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:05:59,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 12 transitions. [2021-10-28 09:05:59,645 INFO L704 BuchiCegarLoop]: Abstraction has 8 states and 12 transitions. [2021-10-28 09:05:59,646 INFO L587 BuchiCegarLoop]: Abstraction has 8 states and 12 transitions. [2021-10-28 09:05:59,646 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 09:05:59,646 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 12 transitions. [2021-10-28 09:05:59,647 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:05:59,647 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:05:59,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:05:59,649 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1] [2021-10-28 09:05:59,650 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:05:59,650 INFO L791 eck$LassoCheckResult]: Stem: 309#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 310#L15-2 assume !!(main_~c~0 > 0); 315#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 316#L15-2 assume !!(main_~c~0 > 0); 311#L15 [2021-10-28 09:05:59,650 INFO L793 eck$LassoCheckResult]: Loop: 311#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 312#L15-2 assume !!(main_~c~0 > 0); 311#L15 [2021-10-28 09:05:59,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:05:59,651 INFO L85 PathProgramCache]: Analyzing trace with hash 963335, now seen corresponding path program 2 times [2021-10-28 09:05:59,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:05:59,652 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782044849] [2021-10-28 09:05:59,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:05:59,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:05:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:05:59,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:59,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:05:59,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:05:59,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782044849] [2021-10-28 09:05:59,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782044849] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:05:59,750 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:05:59,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:05:59,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248685607] [2021-10-28 09:05:59,754 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:05:59,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:05:59,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 2 times [2021-10-28 09:05:59,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:05:59,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300182475] [2021-10-28 09:05:59,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:05:59,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:05:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:59,770 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:05:59,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:59,780 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:05:59,812 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:05:59,813 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:05:59,813 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:05:59,813 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:05:59,813 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:05:59,813 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:59,814 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:05:59,814 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:05:59,814 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration5_Loop [2021-10-28 09:05:59,814 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:05:59,814 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:05:59,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:59,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:59,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:59,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:05:59,892 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:05:59,892 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:05:59,892 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:59,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:59,894 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:59,899 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:05:59,899 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:05:59,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 09:05:59,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:59,974 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:59,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:59,978 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:59,980 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:05:59,981 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:06:00,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 09:06:00,018 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:06:00,018 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=0} Honda state: {ULTIMATE.start_main_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=0}, {ULTIMATE.start_main_~c~0=1}, {ULTIMATE.start_main_~c~0=0}] Lambdas: [15, 1, 14] Nus: [0, 1] [2021-10-28 09:06:00,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-10-28 09:06:00,050 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:00,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:00,052 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:00,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 09:06:00,055 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:06:00,055 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:06:00,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-28 09:06:00,090 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:00,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:00,091 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:00,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 09:06:00,094 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:06:00,094 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:06:00,134 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:06:00,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-28 09:06:00,140 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:06:00,140 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:06:00,140 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:06:00,140 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:06:00,140 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:06:00,140 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:00,140 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:06:00,140 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:06:00,140 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration5_Loop [2021-10-28 09:06:00,141 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:06:00,141 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:06:00,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:00,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:00,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:00,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:00,220 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:06:00,220 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:06:00,221 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:00,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:00,222 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:00,231 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 [2021-10-28 09:06:00,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:00,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:06:00,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:00,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:00,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:00,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:06:00,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:06:00,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 09:06:00,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:06:00,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-10-28 09:06:00,296 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:00,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:00,298 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:00,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 09:06:00,300 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 [2021-10-28 09:06:00,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:00,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:00,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:00,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:00,311 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:06:00,311 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:06:00,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:06:00,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:00,343 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:00,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:00,366 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:00,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 09:06:00,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:06:00,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:00,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:06:00,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:00,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:00,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:00,385 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:06:00,385 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:06:00,409 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:06:00,413 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:06:00,414 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 09:06:00,414 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:00,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:00,415 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:00,418 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:06:00,418 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:06:00,418 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:06:00,418 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = -2*ULTIMATE.start_main_~n~0 + 211 Supporting invariants [] [2021-10-28 09:06:00,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 09:06:00,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:00,462 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:06:00,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:00,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:00,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:00,502 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:06:00,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:00,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:00,568 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 [2021-10-28 09:06:00,568 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 12 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:06:00,577 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 12 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 17 transitions. Complement of second has 5 states. [2021-10-28 09:06:00,577 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 [2021-10-28 09:06:00,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:06:00,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2021-10-28 09:06:00,578 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-28 09:06:00,579 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:00,579 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:06:00,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:00,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:00,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:00,613 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:06:00,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:00,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:00,654 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:06:00,655 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 12 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:06:00,684 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 12 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 10 states and 14 transitions. Complement of second has 5 states. [2021-10-28 09:06:00,685 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 [2021-10-28 09:06:00,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:06:00,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-28 09:06:00,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-28 09:06:00,686 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:00,686 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:06:00,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:00,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:00,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:00,724 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:06:00,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:00,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:00,764 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:06:00,764 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 12 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:06:00,774 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 12 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 20 transitions. Complement of second has 4 states. [2021-10-28 09:06:00,774 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 [2021-10-28 09:06:00,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:06:00,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2021-10-28 09:06:00,776 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-28 09:06:00,776 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:00,776 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2021-10-28 09:06:00,776 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:00,777 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 4 letters. Loop has 4 letters. [2021-10-28 09:06:00,781 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:00,781 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2021-10-28 09:06:00,784 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 09:06:00,785 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 12 states and 16 transitions. [2021-10-28 09:06:00,785 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2021-10-28 09:06:00,786 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2021-10-28 09:06:00,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2021-10-28 09:06:00,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:06:00,786 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-10-28 09:06:00,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2021-10-28 09:06:00,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 7. [2021-10-28 09:06:00,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:06:00,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2021-10-28 09:06:00,789 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-10-28 09:06:00,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:06:00,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:06:00,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:06:00,794 INFO L87 Difference]: Start difference. First operand 7 states and 10 transitions. Second operand has 4 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) [2021-10-28 09:06:00,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:06:00,811 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2021-10-28 09:06:00,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:06:00,812 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 12 transitions. [2021-10-28 09:06:00,813 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 09:06:00,813 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 8 states and 10 transitions. [2021-10-28 09:06:00,817 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2021-10-28 09:06:00,817 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2021-10-28 09:06:00,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2021-10-28 09:06:00,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:06:00,818 INFO L681 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-10-28 09:06:00,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2021-10-28 09:06:00,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2021-10-28 09:06:00,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 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) [2021-10-28 09:06:00,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2021-10-28 09:06:00,821 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2021-10-28 09:06:00,821 INFO L587 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2021-10-28 09:06:00,821 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 09:06:00,821 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2021-10-28 09:06:00,823 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 09:06:00,823 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:06:00,823 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:06:00,824 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 1, 1, 1] [2021-10-28 09:06:00,824 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1] [2021-10-28 09:06:00,825 INFO L791 eck$LassoCheckResult]: Stem: 459#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 460#L15-2 assume !!(main_~c~0 > 0); 463#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 462#L15-2 assume !!(main_~c~0 > 0); 464#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 465#L15-2 assume !!(main_~c~0 > 0); 461#L15 [2021-10-28 09:06:00,825 INFO L793 eck$LassoCheckResult]: Loop: 461#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 462#L15-2 assume !!(main_~c~0 > 0); 464#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 465#L15-2 assume !!(main_~c~0 > 0); 461#L15 [2021-10-28 09:06:00,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:00,825 INFO L85 PathProgramCache]: Analyzing trace with hash 925824930, now seen corresponding path program 3 times [2021-10-28 09:06:00,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:06:00,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682794652] [2021-10-28 09:06:00,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:06:00,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:06:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:00,845 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:06:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:00,867 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:06:00,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:00,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1380409, now seen corresponding path program 1 times [2021-10-28 09:06:00,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:06:00,868 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649993794] [2021-10-28 09:06:00,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:06:00,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:06:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:00,874 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:06:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:00,886 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:06:00,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:00,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1848815782, now seen corresponding path program 4 times [2021-10-28 09:06:00,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:06:00,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600400939] [2021-10-28 09:06:00,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:06:00,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:06:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:00,895 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:06:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:00,923 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:06:00,983 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:06:00,984 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:06:00,984 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:06:00,984 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:06:00,984 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:06:00,984 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:00,984 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:06:00,984 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:06:00,984 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration6_Loop [2021-10-28 09:06:00,984 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:06:00,984 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:06:00,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:00,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:01,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:01,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:01,079 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:06:01,079 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:06:01,079 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:01,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:01,080 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:01,087 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:06:01,087 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:06:01,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 09:06:01,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:01,143 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:01,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:01,144 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:01,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 09:06:01,147 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:06:01,147 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:06:01,181 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:06:01,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-10-28 09:06:01,208 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:06:01,208 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:06:01,208 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:06:01,208 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:06:01,208 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:06:01,209 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:01,209 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:06:01,209 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:06:01,209 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration6_Loop [2021-10-28 09:06:01,209 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:06:01,209 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:06:01,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:01,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:01,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:01,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:01,295 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:06:01,296 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:06:01,296 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:01,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:01,299 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:01,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:06:01,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:01,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:06:01,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:01,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:01,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:01,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:06:01,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:06:01,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 09:06:01,339 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:06:01,341 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:06:01,341 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 09:06:01,342 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:01,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:01,343 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:01,347 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:06:01,347 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:06:01,347 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:06:01,347 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = -2*ULTIMATE.start_main_~n~0 + 201 Supporting invariants [] [2021-10-28 09:06:01,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 09:06:01,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:01,381 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:06:01,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:01,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:01,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:01,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:06:01,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:01,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:01,508 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 09:06:01,508 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-10-28 09:06:01,517 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 13 states and 16 transitions. Complement of second has 5 states. [2021-10-28 09:06:01,518 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 [2021-10-28 09:06:01,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-10-28 09:06:01,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2021-10-28 09:06:01,521 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-28 09:06:01,522 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:01,522 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:06:01,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:01,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:01,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:01,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:01,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:06:01,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:01,646 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:01,647 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 09:06:01,647 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-10-28 09:06:01,665 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 11 states and 14 transitions. Complement of second has 5 states. [2021-10-28 09:06:01,666 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 [2021-10-28 09:06:01,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-10-28 09:06:01,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-28 09:06:01,666 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-28 09:06:01,667 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:01,667 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:06:01,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:01,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:01,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:01,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:01,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:06:01,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:01,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:01,780 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 09:06:01,781 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-10-28 09:06:01,789 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 16 states and 19 transitions. Complement of second has 4 states. [2021-10-28 09:06:01,790 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 [2021-10-28 09:06:01,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-10-28 09:06:01,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2021-10-28 09:06:01,791 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-28 09:06:01,791 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:01,791 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:06:01,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:01,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:01,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:01,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:06:01,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:01,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:01,900 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 09:06:01,900 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-10-28 09:06:01,922 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 13 states and 18 transitions. Complement of second has 4 states. [2021-10-28 09:06:01,923 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 [2021-10-28 09:06:01,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-10-28 09:06:01,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2021-10-28 09:06:01,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-28 09:06:01,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:01,924 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:06:01,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:01,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:01,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:01,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:06:01,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:02,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:02,040 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 09:06:02,041 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-10-28 09:06:02,111 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 72 states and 96 transitions. Complement of second has 37 states 8 powerset states29 rank states. The highest rank that occured is 5 [2021-10-28 09:06:02,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 09:06:02,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-10-28 09:06:02,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2021-10-28 09:06:02,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-28 09:06:02,114 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:02,114 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 10 letters. Loop has 4 letters. [2021-10-28 09:06:02,115 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:02,115 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 6 letters. Loop has 8 letters. [2021-10-28 09:06:02,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:02,116 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 96 transitions. [2021-10-28 09:06:02,120 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-10-28 09:06:02,121 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 27 states and 38 transitions. [2021-10-28 09:06:02,121 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2 [2021-10-28 09:06:02,121 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2 [2021-10-28 09:06:02,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 38 transitions. [2021-10-28 09:06:02,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:06:02,122 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 38 transitions. [2021-10-28 09:06:02,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 38 transitions. [2021-10-28 09:06:02,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 15. [2021-10-28 09:06:02,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 14 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) [2021-10-28 09:06:02,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 22 transitions. [2021-10-28 09:06:02,126 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 22 transitions. [2021-10-28 09:06:02,126 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 22 transitions. [2021-10-28 09:06:02,126 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 09:06:02,127 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 22 transitions. [2021-10-28 09:06:02,127 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-28 09:06:02,127 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:06:02,127 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:06:02,128 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 2, 1, 1] [2021-10-28 09:06:02,128 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 2, 1] [2021-10-28 09:06:02,129 INFO L791 eck$LassoCheckResult]: Stem: 823#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 825#L15-2 assume !!(main_~c~0 > 0); 828#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 827#L15-2 assume !!(main_~c~0 > 0); 833#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 832#L15-2 assume !!(main_~c~0 > 0); 831#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 830#L15-2 assume !!(main_~c~0 > 0); 826#L15 [2021-10-28 09:06:02,129 INFO L793 eck$LassoCheckResult]: Loop: 826#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 827#L15-2 assume !!(main_~c~0 > 0); 833#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 832#L15-2 assume !!(main_~c~0 > 0); 831#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 830#L15-2 assume !!(main_~c~0 > 0); 826#L15 [2021-10-28 09:06:02,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:02,129 INFO L85 PathProgramCache]: Analyzing trace with hash 659527871, now seen corresponding path program 5 times [2021-10-28 09:06:02,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:06:02,130 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756234797] [2021-10-28 09:06:02,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:06:02,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:06:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:02,165 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 09:06:02,165 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:06:02,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756234797] [2021-10-28 09:06:02,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756234797] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:06:02,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520105718] [2021-10-28 09:06:02,166 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-28 09:06:02,166 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:06:02,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:02,167 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:06:02,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2021-10-28 09:06:02,249 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-10-28 09:06:02,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:06:02,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:06:02,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:02,284 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 09:06:02,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520105718] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:06:02,285 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:06:02,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-10-28 09:06:02,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996071434] [2021-10-28 09:06:02,286 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:06:02,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:02,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1326573462, now seen corresponding path program 2 times [2021-10-28 09:06:02,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:06:02,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574321792] [2021-10-28 09:06:02,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:06:02,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:06:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:02,295 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:06:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:02,300 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:06:02,376 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:06:02,376 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:06:02,376 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:06:02,376 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:06:02,376 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:06:02,376 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:02,376 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:06:02,377 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:06:02,377 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration7_Loop [2021-10-28 09:06:02,377 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:06:02,377 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:06:02,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:02,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:02,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:02,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:02,455 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:06:02,456 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:06:02,456 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:02,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:02,457 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:02,467 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:06:02,467 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:06:02,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 09:06:02,488 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:06:02,488 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_13=1} Honda state: {v_rep~unnamed0~0~true_13=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:06:02,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:02,531 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:02,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:02,532 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:02,535 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:06:02,535 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:06:02,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 09:06:02,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:02,611 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:02,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:02,613 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:02,619 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:06:02,619 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:06:02,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 09:06:02,754 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:06:02,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:02,758 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:06:02,758 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:06:02,758 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:06:02,758 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:06:02,758 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:06:02,758 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:02,758 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:06:02,758 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:06:02,759 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration7_Loop [2021-10-28 09:06:02,759 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:06:02,759 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:06:02,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:02,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:02,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:02,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:02,834 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:06:02,834 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:06:02,834 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:02,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:02,835 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:02,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:06:02,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:02,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:02,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:02,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:02,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:06:02,871 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:06:02,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 09:06:02,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:06:02,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:02,931 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:02,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:02,932 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:02,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:06:02,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:02,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:06:02,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:02,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:02,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:02,951 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:06:02,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:06:02,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 09:06:02,969 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:06:02,975 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:06:02,976 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-28 09:06:02,976 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:02,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:02,977 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:03,001 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:06:03,002 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:06:03,002 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:06:03,002 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2021-10-28 09:06:03,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 09:06:03,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:03,043 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:06:03,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:03,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:03,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:03,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:06:03,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:03,159 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:03,160 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2021-10-28 09:06:03,161 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 22 transitions. cyclomatic complexity: 9 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) [2021-10-28 09:06:03,199 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 22 transitions. cyclomatic complexity: 9. 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) Result 65 states and 87 transitions. Complement of second has 9 states. [2021-10-28 09:06:03,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 09:06:03,200 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2021-10-28 09:06:03,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2021-10-28 09:06:03,200 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 8 letters. Loop has 6 letters. [2021-10-28 09:06:03,200 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:03,201 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 14 letters. Loop has 6 letters. [2021-10-28 09:06:03,201 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:03,201 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 8 letters. Loop has 12 letters. [2021-10-28 09:06:03,201 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:03,202 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 87 transitions. [2021-10-28 09:06:03,204 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-28 09:06:03,205 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 54 states and 75 transitions. [2021-10-28 09:06:03,206 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-10-28 09:06:03,206 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2021-10-28 09:06:03,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 75 transitions. [2021-10-28 09:06:03,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:06:03,206 INFO L681 BuchiCegarLoop]: Abstraction has 54 states and 75 transitions. [2021-10-28 09:06:03,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 75 transitions. [2021-10-28 09:06:03,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 46. [2021-10-28 09:06:03,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.434782608695652) internal successors, (66), 45 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) [2021-10-28 09:06:03,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 66 transitions. [2021-10-28 09:06:03,213 INFO L704 BuchiCegarLoop]: Abstraction has 46 states and 66 transitions. [2021-10-28 09:06:03,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:06:03,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:06:03,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:06:03,214 INFO L87 Difference]: Start difference. First operand 46 states and 66 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2021-10-28 09:06:03,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:06:03,231 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2021-10-28 09:06:03,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:06:03,232 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 60 transitions. [2021-10-28 09:06:03,233 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-28 09:06:03,234 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 33 states and 44 transitions. [2021-10-28 09:06:03,234 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2 [2021-10-28 09:06:03,235 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2 [2021-10-28 09:06:03,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 44 transitions. [2021-10-28 09:06:03,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:06:03,235 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 44 transitions. [2021-10-28 09:06:03,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 44 transitions. [2021-10-28 09:06:03,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 21. [2021-10-28 09:06:03,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 20 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) [2021-10-28 09:06:03,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 30 transitions. [2021-10-28 09:06:03,239 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2021-10-28 09:06:03,239 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2021-10-28 09:06:03,239 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 09:06:03,239 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 30 transitions. [2021-10-28 09:06:03,240 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-28 09:06:03,240 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:06:03,240 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:06:03,241 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 2, 2, 1] [2021-10-28 09:06:03,241 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 2, 1] [2021-10-28 09:06:03,241 INFO L791 eck$LassoCheckResult]: Stem: 1091#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 1093#L15-2 assume !!(main_~c~0 > 0); 1111#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1108#L15-2 assume !!(main_~c~0 > 0); 1101#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1095#L15-2 assume !!(main_~c~0 > 0); 1102#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 1100#L15-2 assume !!(main_~c~0 > 0); 1099#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 1098#L15-2 assume !!(main_~c~0 > 0); 1094#L15 [2021-10-28 09:06:03,241 INFO L793 eck$LassoCheckResult]: Loop: 1094#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1095#L15-2 assume !!(main_~c~0 > 0); 1102#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 1100#L15-2 assume !!(main_~c~0 > 0); 1099#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 1098#L15-2 assume !!(main_~c~0 > 0); 1094#L15 [2021-10-28 09:06:03,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:03,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1791617062, now seen corresponding path program 6 times [2021-10-28 09:06:03,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:06:03,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460784775] [2021-10-28 09:06:03,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:06:03,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:06:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:03,251 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:06:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:03,259 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:06:03,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:03,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1326573462, now seen corresponding path program 3 times [2021-10-28 09:06:03,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:06:03,260 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109390460] [2021-10-28 09:06:03,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:06:03,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:06:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:03,267 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:06:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:03,272 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:06:03,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:03,273 INFO L85 PathProgramCache]: Analyzing trace with hash 709032111, now seen corresponding path program 7 times [2021-10-28 09:06:03,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:06:03,274 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192396772] [2021-10-28 09:06:03,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:06:03,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:06:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:03,327 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 41 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 09:06:03,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:06:03,328 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192396772] [2021-10-28 09:06:03,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192396772] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:06:03,328 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209220504] [2021-10-28 09:06:03,328 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-28 09:06:03,328 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:06:03,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:03,330 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:06:03,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2021-10-28 09:06:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:03,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 09:06:03,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:03,472 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 41 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 09:06:03,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209220504] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:06:03,473 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:06:03,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-10-28 09:06:03,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055302893] [2021-10-28 09:06:03,547 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:06:03,547 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:06:03,547 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:06:03,547 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:06:03,548 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:06:03,548 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:03,548 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:06:03,548 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:06:03,548 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration8_Loop [2021-10-28 09:06:03,548 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:06:03,548 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:06:03,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:03,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:03,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:03,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:03,623 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:06:03,623 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:06:03,624 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:03,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:03,628 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:03,631 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:06:03,631 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:06:03,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 09:06:03,652 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:06:03,652 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_15=1} Honda state: {v_rep~unnamed0~0~true_15=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:06:03,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:03,698 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:03,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:03,699 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:03,708 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:06:03,708 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:06:03,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 09:06:03,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:03,783 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:03,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:03,785 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:03,791 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:06:03,791 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:06:03,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-28 09:06:03,884 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:06:03,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-10-28 09:06:03,887 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:06:03,887 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:06:03,887 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:06:03,887 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:06:03,887 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:06:03,887 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:03,887 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:06:03,887 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:06:03,887 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration8_Loop [2021-10-28 09:06:03,887 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:06:03,887 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:06:03,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:03,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:03,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:03,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:03,983 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:06:03,985 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:06:03,985 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:03,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:03,988 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:03,992 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 [2021-10-28 09:06:04,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:04,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:04,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:04,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:04,007 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:06:04,007 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:06:04,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-28 09:06:04,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:06:04,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-10-28 09:06:04,050 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:04,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:04,051 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:04,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-28 09:06:04,054 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:06:04,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:04,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:06:04,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:04,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:04,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:04,064 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:06:04,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:06:04,066 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:06:04,068 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:06:04,069 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-28 09:06:04,069 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:04,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:04,070 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:04,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-28 09:06:04,072 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:06:04,072 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:06:04,073 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:06:04,073 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2021-10-28 09:06:04,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-10-28 09:06:04,098 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:06:04,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:04,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:04,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:04,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:06:04,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:04,218 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:04,219 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2021-10-28 09:06:04,220 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 13 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) [2021-10-28 09:06:04,246 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 13. 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) Result 45 states and 56 transitions. Complement of second has 7 states. [2021-10-28 09:06:04,247 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 [2021-10-28 09:06:04,247 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2021-10-28 09:06:04,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2021-10-28 09:06:04,247 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 10 letters. Loop has 6 letters. [2021-10-28 09:06:04,247 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:04,248 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:06:04,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:04,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:04,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:04,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:06:04,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:04,367 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:04,368 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 4 loop predicates [2021-10-28 09:06:04,368 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 13 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) [2021-10-28 09:06:04,392 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 13. 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) Result 45 states and 56 transitions. Complement of second has 7 states. [2021-10-28 09:06:04,392 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 [2021-10-28 09:06:04,393 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2021-10-28 09:06:04,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2021-10-28 09:06:04,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 10 letters. Loop has 6 letters. [2021-10-28 09:06:04,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:04,393 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:06:04,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:04,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:04,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:04,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:06:04,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:04,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:04,541 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:04,542 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2021-10-28 09:06:04,542 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 13 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) [2021-10-28 09:06:04,573 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 13. 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) Result 75 states and 99 transitions. Complement of second has 13 states. [2021-10-28 09:06:04,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 09:06:04,574 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2021-10-28 09:06:04,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2021-10-28 09:06:04,574 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 10 letters. Loop has 6 letters. [2021-10-28 09:06:04,574 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:04,574 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 16 letters. Loop has 6 letters. [2021-10-28 09:06:04,575 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:04,575 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 10 letters. Loop has 12 letters. [2021-10-28 09:06:04,576 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:04,576 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 99 transitions. [2021-10-28 09:06:04,578 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 22 [2021-10-28 09:06:04,579 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 52 states and 71 transitions. [2021-10-28 09:06:04,579 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2021-10-28 09:06:04,579 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2021-10-28 09:06:04,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 71 transitions. [2021-10-28 09:06:04,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:06:04,580 INFO L681 BuchiCegarLoop]: Abstraction has 52 states and 71 transitions. [2021-10-28 09:06:04,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 71 transitions. [2021-10-28 09:06:04,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 40. [2021-10-28 09:06:04,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.45) internal successors, (58), 39 states have internal predecessors, (58), 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) [2021-10-28 09:06:04,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 58 transitions. [2021-10-28 09:06:04,585 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 58 transitions. [2021-10-28 09:06:04,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:06:04,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:06:04,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:06:04,586 INFO L87 Difference]: Start difference. First operand 40 states and 58 transitions. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:06:04,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:06:04,605 INFO L93 Difference]: Finished difference Result 68 states and 85 transitions. [2021-10-28 09:06:04,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:06:04,606 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 85 transitions. [2021-10-28 09:06:04,607 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 18 [2021-10-28 09:06:04,608 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 51 states and 67 transitions. [2021-10-28 09:06:04,608 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2 [2021-10-28 09:06:04,608 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-28 09:06:04,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 67 transitions. [2021-10-28 09:06:04,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:06:04,609 INFO L681 BuchiCegarLoop]: Abstraction has 51 states and 67 transitions. [2021-10-28 09:06:04,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 67 transitions. [2021-10-28 09:06:04,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 33. [2021-10-28 09:06:04,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.303030303030303) internal successors, (43), 32 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) [2021-10-28 09:06:04,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2021-10-28 09:06:04,613 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 43 transitions. [2021-10-28 09:06:04,613 INFO L587 BuchiCegarLoop]: Abstraction has 33 states and 43 transitions. [2021-10-28 09:06:04,613 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-28 09:06:04,613 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 43 transitions. [2021-10-28 09:06:04,614 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2021-10-28 09:06:04,614 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:06:04,614 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:06:04,615 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2021-10-28 09:06:04,615 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [4, 2, 2] [2021-10-28 09:06:04,615 INFO L791 eck$LassoCheckResult]: Stem: 1634#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 1636#L15-2 assume !!(main_~c~0 > 0); 1654#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1649#L15-2 assume !!(main_~c~0 > 0); 1645#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1646#L15-2 [2021-10-28 09:06:04,615 INFO L793 eck$LassoCheckResult]: Loop: 1646#L15-2 assume !!(main_~c~0 > 0); 1643#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 1644#L15-2 assume !!(main_~c~0 > 0); 1648#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 1641#L15-2 assume !!(main_~c~0 > 0); 1637#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1638#L15-2 assume !!(main_~c~0 > 0); 1645#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1646#L15-2 [2021-10-28 09:06:04,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:04,616 INFO L85 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 4 times [2021-10-28 09:06:04,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:06:04,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502197384] [2021-10-28 09:06:04,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:06:04,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:06:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:04,623 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:06:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:04,627 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:06:04,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:04,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1687002897, now seen corresponding path program 4 times [2021-10-28 09:06:04,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:06:04,628 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44666737] [2021-10-28 09:06:04,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:06:04,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:06:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:04,652 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 09:06:04,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:06:04,652 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44666737] [2021-10-28 09:06:04,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44666737] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:06:04,652 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:06:04,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:06:04,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517892264] [2021-10-28 09:06:04,653 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:06:04,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:06:04,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:06:04,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:06:04,654 INFO L87 Difference]: Start difference. First operand 33 states and 43 transitions. cyclomatic complexity: 14 Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2021-10-28 09:06:04,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:06:04,667 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2021-10-28 09:06:04,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:06:04,668 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 63 transitions. [2021-10-28 09:06:04,669 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2021-10-28 09:06:04,669 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 39 states and 47 transitions. [2021-10-28 09:06:04,670 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-28 09:06:04,670 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-28 09:06:04,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 47 transitions. [2021-10-28 09:06:04,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:06:04,670 INFO L681 BuchiCegarLoop]: Abstraction has 39 states and 47 transitions. [2021-10-28 09:06:04,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 47 transitions. [2021-10-28 09:06:04,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 33. [2021-10-28 09:06:04,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 32 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) [2021-10-28 09:06:04,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:04,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 41 transitions. [2021-10-28 09:06:04,680 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2021-10-28 09:06:04,681 INFO L587 BuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2021-10-28 09:06:04,681 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-28 09:06:04,681 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 41 transitions. [2021-10-28 09:06:04,681 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2021-10-28 09:06:04,684 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:06:04,684 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:06:04,684 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2021-10-28 09:06:04,684 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [5, 3, 2] [2021-10-28 09:06:04,684 INFO L791 eck$LassoCheckResult]: Stem: 1725#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 1727#L15-2 assume !!(main_~c~0 > 0); 1745#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1740#L15-2 assume !!(main_~c~0 > 0); 1736#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1732#L15-2 [2021-10-28 09:06:04,685 INFO L793 eck$LassoCheckResult]: Loop: 1732#L15-2 assume !!(main_~c~0 > 0); 1733#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 1735#L15-2 assume !!(main_~c~0 > 0); 1741#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 1739#L15-2 assume !!(main_~c~0 > 0); 1728#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1729#L15-2 assume !!(main_~c~0 > 0); 1744#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 1742#L15-2 assume !!(main_~c~0 > 0); 1738#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1732#L15-2 [2021-10-28 09:06:04,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:04,685 INFO L85 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 5 times [2021-10-28 09:06:04,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:06:04,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815607987] [2021-10-28 09:06:04,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:06:04,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:06:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:04,691 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:06:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:04,695 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:06:04,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:04,696 INFO L85 PathProgramCache]: Analyzing trace with hash 2007111828, now seen corresponding path program 5 times [2021-10-28 09:06:04,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:06:04,696 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388162585] [2021-10-28 09:06:04,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:06:04,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:06:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:04,724 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:06:04,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:04,730 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:06:04,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:04,731 INFO L85 PathProgramCache]: Analyzing trace with hash -254222659, now seen corresponding path program 8 times [2021-10-28 09:06:04,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:06:04,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516380777] [2021-10-28 09:06:04,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:06:04,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:06:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:04,756 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:06:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:04,764 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:06:04,893 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:06:04,893 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:06:04,893 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:06:04,893 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:06:04,893 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:06:04,893 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:04,893 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:06:04,893 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:06:04,894 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration10_Loop [2021-10-28 09:06:04,894 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:06:04,894 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:06:04,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:04,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:04,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:04,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:04,964 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:06:04,964 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:06:04,964 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:04,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:04,965 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:04,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-28 09:06:04,967 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:06:04,967 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:06:04,982 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:06:04,982 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_17=1} Honda state: {v_rep~unnamed0~0~true_17=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:06:05,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:05,006 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:05,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:05,007 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:05,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-28 09:06:05,009 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:06:05,009 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:06:05,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:05,079 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:05,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:05,081 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:05,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-28 09:06:05,086 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:06:05,086 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:06:05,668 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:06:05,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:05,672 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:06:05,672 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:06:05,672 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:06:05,672 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:06:05,672 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:06:05,672 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:05,672 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:06:05,672 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:06:05,672 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration10_Loop [2021-10-28 09:06:05,673 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:06:05,673 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:06:05,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:05,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:05,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:05,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:05,752 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:06:05,752 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:06:05,752 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:05,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:05,758 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:05,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:06:05,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:05,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:05,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:05,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:05,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:06:05,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:06:05,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-28 09:06:05,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:06:05,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:05,820 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:05,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:05,821 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:05,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:06:05,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:05,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:06:05,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:05,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:05,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:05,835 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:06:05,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:06:05,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-28 09:06:05,845 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:06:05,859 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:06:05,859 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-28 09:06:05,860 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:05,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:05,861 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:05,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-28 09:06:05,864 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:06:05,864 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:06:05,864 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:06:05,864 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2021-10-28 09:06:05,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:05,888 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:06:05,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:05,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:05,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:05,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:06:05,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:06,068 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:06,069 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2021-10-28 09:06:06,069 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 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) [2021-10-28 09:06:06,076 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 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 37 states and 47 transitions. Complement of second has 5 states. [2021-10-28 09:06:06,077 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 [2021-10-28 09:06:06,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 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) [2021-10-28 09:06:06,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-28 09:06:06,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 10 letters. [2021-10-28 09:06:06,078 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:06,078 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:06:06,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:06,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:06,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:06,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:06,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:06:06,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:06,241 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:06,241 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 5 loop predicates [2021-10-28 09:06:06,241 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 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) [2021-10-28 09:06:06,245 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 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 37 states and 47 transitions. Complement of second has 5 states. [2021-10-28 09:06:06,246 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 [2021-10-28 09:06:06,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 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) [2021-10-28 09:06:06,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-28 09:06:06,247 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 10 letters. [2021-10-28 09:06:06,247 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:06,247 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:06:06,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:06,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:06,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:06,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:06,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:06:06,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:06,435 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:06,436 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2021-10-28 09:06:06,436 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 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) [2021-10-28 09:06:06,444 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 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 46 states and 60 transitions. Complement of second has 4 states. [2021-10-28 09:06:06,445 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 [2021-10-28 09:06:06,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 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) [2021-10-28 09:06:06,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2021-10-28 09:06:06,446 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 10 letters. [2021-10-28 09:06:06,446 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:06,446 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:06:06,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:06,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:06,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:06,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:06:06,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:06,608 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:06,609 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 5 loop predicates [2021-10-28 09:06:06,609 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 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) [2021-10-28 09:06:06,646 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 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 63 states and 75 transitions. Complement of second has 8 states. [2021-10-28 09:06:06,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 09:06:06,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 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) [2021-10-28 09:06:06,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2021-10-28 09:06:06,647 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 10 letters. [2021-10-28 09:06:06,648 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:06,648 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:06:06,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:06,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:06,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:06,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:06:06,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:06,816 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:06,817 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2021-10-28 09:06:06,817 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 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) [2021-10-28 09:06:06,876 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:06,877 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:06,878 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:06,878 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:06,879 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:06,918 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:06,919 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:06,919 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:06,919 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:06,920 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:06,920 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:06,920 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:06,921 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:06,931 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 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 404 states and 547 transitions. Complement of second has 85 states 12 powerset states73 rank states. The highest rank that occured is 7 [2021-10-28 09:06:06,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2021-10-28 09:06:06,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 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) [2021-10-28 09:06:06,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 29 transitions. [2021-10-28 09:06:06,932 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 5 letters. Loop has 10 letters. [2021-10-28 09:06:06,933 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:06,933 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 15 letters. Loop has 10 letters. [2021-10-28 09:06:06,934 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:06,935 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 5 letters. Loop has 20 letters. [2021-10-28 09:06:06,938 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:06,938 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 404 states and 547 transitions. [2021-10-28 09:06:06,946 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 24 [2021-10-28 09:06:06,949 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 404 states to 145 states and 187 transitions. [2021-10-28 09:06:06,949 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2021-10-28 09:06:06,949 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-10-28 09:06:06,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 187 transitions. [2021-10-28 09:06:06,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:06:06,949 INFO L681 BuchiCegarLoop]: Abstraction has 145 states and 187 transitions. [2021-10-28 09:06:06,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 187 transitions. [2021-10-28 09:06:06,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 96. [2021-10-28 09:06:06,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 96 states have (on average 1.34375) internal successors, (129), 95 states have internal predecessors, (129), 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) [2021-10-28 09:06:06,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 129 transitions. [2021-10-28 09:06:06,958 INFO L704 BuchiCegarLoop]: Abstraction has 96 states and 129 transitions. [2021-10-28 09:06:06,958 INFO L587 BuchiCegarLoop]: Abstraction has 96 states and 129 transitions. [2021-10-28 09:06:06,958 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-28 09:06:06,959 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 96 states and 129 transitions. [2021-10-28 09:06:06,960 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 17 [2021-10-28 09:06:06,960 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:06:06,960 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:06:06,960 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2021-10-28 09:06:06,961 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [7, 4, 3] [2021-10-28 09:06:06,961 INFO L791 eck$LassoCheckResult]: Stem: 2718#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 2721#L15-2 assume !!(main_~c~0 > 0); 2753#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 2742#L15-2 assume !!(main_~c~0 > 0); 2730#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 2727#L15-2 [2021-10-28 09:06:06,961 INFO L793 eck$LassoCheckResult]: Loop: 2727#L15-2 assume !!(main_~c~0 > 0); 2728#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 2779#L15-2 assume !!(main_~c~0 > 0); 2773#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 2771#L15-2 assume !!(main_~c~0 > 0); 2765#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 2764#L15-2 assume !!(main_~c~0 > 0); 2763#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 2755#L15-2 assume !!(main_~c~0 > 0); 2734#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 2747#L15-2 assume !!(main_~c~0 > 0); 2745#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 2744#L15-2 assume !!(main_~c~0 > 0); 2732#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 2727#L15-2 [2021-10-28 09:06:06,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:06,961 INFO L85 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 6 times [2021-10-28 09:06:06,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:06:06,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820831254] [2021-10-28 09:06:06,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:06:06,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:06:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:06,968 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:06:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:06,972 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:06:06,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:06,972 INFO L85 PathProgramCache]: Analyzing trace with hash 822111324, now seen corresponding path program 6 times [2021-10-28 09:06:06,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:06:06,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528458307] [2021-10-28 09:06:06,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:06:06,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:06:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:06,981 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:06:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:06,988 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:06:06,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:06,989 INFO L85 PathProgramCache]: Analyzing trace with hash 128316933, now seen corresponding path program 9 times [2021-10-28 09:06:06,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:06:06,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758826676] [2021-10-28 09:06:06,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:06:06,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:06:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:06,999 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:06:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:07,008 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:06:07,182 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:06:07,182 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:06:07,182 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:06:07,183 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:06:07,183 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:06:07,183 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:07,183 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:06:07,183 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:06:07,183 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration11_Loop [2021-10-28 09:06:07,183 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:06:07,184 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:06:07,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:07,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:07,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:07,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:07,249 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:06:07,249 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:06:07,249 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:07,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:07,250 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:07,258 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:06:07,258 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:06:07,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-28 09:06:07,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:07,301 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:07,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:07,302 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:07,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-28 09:06:07,304 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:06:07,304 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:06:07,769 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:06:07,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:07,772 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:06:07,772 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:06:07,772 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:06:07,772 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:06:07,773 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:06:07,773 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:07,773 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:06:07,773 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:06:07,773 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration11_Loop [2021-10-28 09:06:07,773 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:06:07,773 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:06:07,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:07,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:07,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:07,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:07,835 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:06:07,835 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:06:07,835 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:07,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:07,837 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:07,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-28 09:06:07,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:06:07,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:07,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:07,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:07,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:07,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:06:07,849 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:06:07,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:06:07,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:07,878 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:07,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:07,879 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:07,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-28 09:06:07,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:06:07,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:07,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:07,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:07,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:07,893 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:06:07,893 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:06:07,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:06:07,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-10-28 09:06:07,922 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:07,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:07,922 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:07,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-28 09:06:07,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:06:07,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:07,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:06:07,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:07,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:07,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:07,934 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:06:07,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:06:07,936 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:06:07,938 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-10-28 09:06:07,938 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 09:06:07,939 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:07,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:07,940 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:07,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-28 09:06:07,941 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:06:07,941 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:06:07,941 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:06:07,941 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2021-10-28 09:06:07,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:07,967 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:06:07,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:07,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:08,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:08,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:06:08,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:08,200 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:08,201 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 7 loop predicates [2021-10-28 09:06:08,201 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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) [2021-10-28 09:06:08,209 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42. Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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) Result 104 states and 145 transitions. Complement of second has 5 states. [2021-10-28 09:06:08,209 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 [2021-10-28 09:06:08,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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) [2021-10-28 09:06:08,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-28 09:06:08,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 14 letters. [2021-10-28 09:06:08,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:08,210 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:06:08,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:08,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:08,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:08,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:06:08,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:08,422 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:08,423 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 7 loop predicates [2021-10-28 09:06:08,423 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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) [2021-10-28 09:06:08,432 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42. Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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) Result 104 states and 145 transitions. Complement of second has 5 states. [2021-10-28 09:06:08,432 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 [2021-10-28 09:06:08,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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) [2021-10-28 09:06:08,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-28 09:06:08,433 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 14 letters. [2021-10-28 09:06:08,433 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:08,433 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:06:08,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:08,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:08,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:08,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:06:08,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:08,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:08,709 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:08,710 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 7 loop predicates [2021-10-28 09:06:08,710 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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) [2021-10-28 09:06:08,724 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42. Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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) Result 146 states and 191 transitions. Complement of second has 4 states. [2021-10-28 09:06:08,724 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 [2021-10-28 09:06:08,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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) [2021-10-28 09:06:08,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2021-10-28 09:06:08,726 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 14 letters. [2021-10-28 09:06:08,727 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:08,727 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:06:08,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:08,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:08,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:08,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:08,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:06:08,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:08,941 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:08,941 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 7 loop predicates [2021-10-28 09:06:08,942 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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) [2021-10-28 09:06:09,000 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42. Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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) Result 172 states and 219 transitions. Complement of second has 8 states. [2021-10-28 09:06:09,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 09:06:09,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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) [2021-10-28 09:06:09,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2021-10-28 09:06:09,001 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 14 letters. [2021-10-28 09:06:09,002 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:09,002 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:06:09,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:09,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:09,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:09,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:06:09,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:09,254 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:09,255 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.1 stem predicates 7 loop predicates [2021-10-28 09:06:09,256 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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) [2021-10-28 09:06:09,337 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,337 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,338 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,338 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,339 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,340 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,341 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,341 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,343 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,344 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,344 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,345 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,390 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,391 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,391 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,392 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,392 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,392 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,393 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,393 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,395 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,395 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,397 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,397 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,397 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,398 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,398 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,398 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,400 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,400 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,402 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,403 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,403 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,403 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,403 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,404 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,454 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,454 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,454 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,455 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,455 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,455 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,456 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,456 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,456 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,457 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,457 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,459 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,460 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,460 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,460 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,461 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,461 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,461 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,463 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,465 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,465 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,466 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,466 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,466 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,466 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,467 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:09,524 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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) Result 1787 states and 2714 transitions. Complement of second has 144 states 16 powerset states128 rank states. The highest rank that occured is 7 [2021-10-28 09:06:09,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2021-10-28 09:06:09,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 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) [2021-10-28 09:06:09,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 39 transitions. [2021-10-28 09:06:09,526 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 39 transitions. Stem has 5 letters. Loop has 14 letters. [2021-10-28 09:06:09,527 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:09,527 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 39 transitions. Stem has 19 letters. Loop has 14 letters. [2021-10-28 09:06:09,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:09,529 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 39 transitions. Stem has 5 letters. Loop has 28 letters. [2021-10-28 09:06:09,533 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:09,534 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1787 states and 2714 transitions. [2021-10-28 09:06:09,558 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 33 [2021-10-28 09:06:09,563 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1787 states to 471 states and 636 transitions. [2021-10-28 09:06:09,564 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-10-28 09:06:09,564 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-10-28 09:06:09,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 471 states and 636 transitions. [2021-10-28 09:06:09,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:06:09,564 INFO L681 BuchiCegarLoop]: Abstraction has 471 states and 636 transitions. [2021-10-28 09:06:09,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states and 636 transitions. [2021-10-28 09:06:09,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 260. [2021-10-28 09:06:09,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 260 states have (on average 1.4461538461538461) internal successors, (376), 259 states have internal predecessors, (376), 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) [2021-10-28 09:06:09,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 376 transitions. [2021-10-28 09:06:09,586 INFO L704 BuchiCegarLoop]: Abstraction has 260 states and 376 transitions. [2021-10-28 09:06:09,586 INFO L587 BuchiCegarLoop]: Abstraction has 260 states and 376 transitions. [2021-10-28 09:06:09,586 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-28 09:06:09,586 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 260 states and 376 transitions. [2021-10-28 09:06:09,588 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 21 [2021-10-28 09:06:09,589 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:06:09,589 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:06:09,590 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2021-10-28 09:06:09,590 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [9, 5, 4] [2021-10-28 09:06:09,590 INFO L791 eck$LassoCheckResult]: Stem: 5631#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 5634#L15-2 assume !!(main_~c~0 > 0); 5680#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 5650#L15-2 assume !!(main_~c~0 > 0); 5647#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 5644#L15-2 [2021-10-28 09:06:09,590 INFO L793 eck$LassoCheckResult]: Loop: 5644#L15-2 assume !!(main_~c~0 > 0); 5645#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 5815#L15-2 assume !!(main_~c~0 > 0); 5778#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 5776#L15-2 assume !!(main_~c~0 > 0); 5774#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 5772#L15-2 assume !!(main_~c~0 > 0); 5768#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 5769#L15-2 assume !!(main_~c~0 > 0); 5751#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 5752#L15-2 assume !!(main_~c~0 > 0); 5748#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 5749#L15-2 assume !!(main_~c~0 > 0); 5652#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 5674#L15-2 assume !!(main_~c~0 > 0); 5653#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 5651#L15-2 assume !!(main_~c~0 > 0); 5649#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 5644#L15-2 [2021-10-28 09:06:09,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:09,591 INFO L85 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 7 times [2021-10-28 09:06:09,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:06:09,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169436092] [2021-10-28 09:06:09,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:06:09,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:06:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:09,598 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:06:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:09,602 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:06:09,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:09,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1476420572, now seen corresponding path program 7 times [2021-10-28 09:06:09,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:06:09,603 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808432046] [2021-10-28 09:06:09,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:06:09,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:06:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:09,614 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:06:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:09,622 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:06:09,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:09,623 INFO L85 PathProgramCache]: Analyzing trace with hash 939927885, now seen corresponding path program 10 times [2021-10-28 09:06:09,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:06:09,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699118613] [2021-10-28 09:06:09,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:06:09,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:06:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:09,635 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:06:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:09,646 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:06:09,849 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:06:09,850 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:06:09,850 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:06:09,850 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:06:09,850 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:06:09,850 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:09,850 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:06:09,850 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:06:09,850 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration12_Loop [2021-10-28 09:06:09,850 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:06:09,850 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:06:09,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:09,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:09,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:09,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:09,912 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:06:09,912 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:06:09,912 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:09,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:09,913 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:09,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-28 09:06:09,917 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:06:09,917 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:06:09,935 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:06:09,935 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_21=0} Honda state: {v_rep~unnamed0~0~false_21=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:06:09,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-10-28 09:06:09,960 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:09,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:09,961 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:09,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-28 09:06:09,962 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:06:09,962 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:06:10,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:10,039 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:10,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:10,041 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:10,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-28 09:06:10,042 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:06:10,042 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:06:10,084 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:06:10,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:10,087 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:06:10,087 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:06:10,087 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:06:10,087 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:06:10,087 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:06:10,087 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:10,087 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:06:10,087 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:06:10,087 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration12_Loop [2021-10-28 09:06:10,087 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:06:10,088 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:06:10,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:10,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:10,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:10,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:10,161 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:06:10,161 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:06:10,162 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:10,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:10,169 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:10,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-28 09:06:10,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:06:10,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:10,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:10,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:10,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:10,182 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:06:10,182 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:06:10,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:06:10,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:10,235 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:10,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:10,236 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:10,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-28 09:06:10,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:06:10,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:10,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:10,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:10,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:10,249 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:06:10,249 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:06:10,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:06:10,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-10-28 09:06:10,302 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:10,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:10,303 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:10,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-28 09:06:10,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:06:10,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:10,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:06:10,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:10,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:10,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:10,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:06:10,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:06:10,319 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:06:10,321 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-10-28 09:06:10,321 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 09:06:10,321 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:10,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:10,322 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:10,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-28 09:06:10,323 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:06:10,324 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:06:10,324 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:06:10,324 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2021-10-28 09:06:10,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-10-28 09:06:10,349 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:06:10,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:10,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:10,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:10,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 09:06:10,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:10,667 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:10,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:10,668 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 9 loop predicates [2021-10-28 09:06:10,669 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 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) [2021-10-28 09:06:10,677 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137. Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 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 276 states and 420 transitions. Complement of second has 5 states. [2021-10-28 09:06:10,678 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 [2021-10-28 09:06:10,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 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) [2021-10-28 09:06:10,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-28 09:06:10,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 18 letters. [2021-10-28 09:06:10,680 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:10,680 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:06:10,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:10,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:10,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:10,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 09:06:10,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:10,965 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:10,965 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 9 loop predicates [2021-10-28 09:06:10,966 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 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) [2021-10-28 09:06:10,978 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137. Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 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 276 states and 420 transitions. Complement of second has 5 states. [2021-10-28 09:06:10,978 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 [2021-10-28 09:06:10,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 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) [2021-10-28 09:06:10,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-28 09:06:10,979 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 18 letters. [2021-10-28 09:06:10,980 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:10,980 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:06:10,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:10,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:10,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:11,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 09:06:11,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:11,263 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:11,264 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 9 loop predicates [2021-10-28 09:06:11,264 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 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) [2021-10-28 09:06:11,276 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137. Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 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 392 states and 537 transitions. Complement of second has 4 states. [2021-10-28 09:06:11,277 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 [2021-10-28 09:06:11,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 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) [2021-10-28 09:06:11,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2021-10-28 09:06:11,277 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 18 letters. [2021-10-28 09:06:11,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:11,278 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:06:11,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:11,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:11,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:11,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 09:06:11,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:11,569 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:11,569 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 9 loop predicates [2021-10-28 09:06:11,569 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 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) [2021-10-28 09:06:11,616 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137. Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 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 455 states and 606 transitions. Complement of second has 8 states. [2021-10-28 09:06:11,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 09:06:11,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 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) [2021-10-28 09:06:11,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2021-10-28 09:06:11,617 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 18 letters. [2021-10-28 09:06:11,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:11,618 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:06:11,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:11,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:11,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:11,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 09:06:11,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:11,948 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:11,948 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.1 stem predicates 9 loop predicates [2021-10-28 09:06:11,949 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 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) [2021-10-28 09:06:12,030 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,030 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,031 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,031 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,033 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,033 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,034 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,035 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,035 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,035 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,036 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,036 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,037 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,038 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,038 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,039 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,039 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,040 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,041 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,041 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,042 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,043 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,043 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,044 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,045 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,045 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,046 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,046 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,098 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,098 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,099 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,099 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,099 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,100 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,100 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,100 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,103 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,103 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,104 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,104 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,106 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,107 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,107 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,107 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,107 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,108 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,108 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,108 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,109 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,109 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,109 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,109 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,111 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,111 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,112 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,113 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,113 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,113 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,113 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,114 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,115 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,115 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,117 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,117 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,117 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,118 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,118 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,118 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,119 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,120 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,121 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,121 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,122 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,122 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,122 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,122 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,124 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,124 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,125 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,126 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,126 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,126 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,126 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,127 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,191 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,192 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,192 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,192 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,193 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,193 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,193 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,193 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,194 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,194 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,194 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,197 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,197 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,198 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,198 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,198 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,199 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,201 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,201 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,202 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,202 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,202 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,202 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,203 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,203 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,203 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,204 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,204 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,204 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,204 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,205 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,205 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,205 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,206 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,206 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,208 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,208 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,209 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,209 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,209 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,209 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,210 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,211 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,212 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,212 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,224 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,225 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,225 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,225 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,226 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,226 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,226 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,226 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,227 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,228 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,229 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,229 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,231 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,231 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,231 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,232 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,232 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,232 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,233 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,233 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,233 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,234 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,235 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,236 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,236 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,236 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,237 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,237 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,237 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,337 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,338 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,338 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,338 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,339 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,339 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,339 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,340 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,340 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,340 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,340 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,343 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,344 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,344 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,344 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,345 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,345 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,346 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,347 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,347 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,347 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,347 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,348 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,348 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,348 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,348 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,351 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,351 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,351 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,352 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,352 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,352 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,352 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,353 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,354 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,355 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,355 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,356 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,356 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,356 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,357 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,357 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,359 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,359 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,359 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,361 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,361 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,362 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,362 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,362 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,362 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,363 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,363 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,363 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,365 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,365 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,365 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,365 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:12,413 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 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 5484 states and 8953 transitions. Complement of second has 178 states 20 powerset states158 rank states. The highest rank that occured is 7 [2021-10-28 09:06:12,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 1 stem states 9 non-accepting loop states 1 accepting loop states [2021-10-28 09:06:12,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 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) [2021-10-28 09:06:12,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 49 transitions. [2021-10-28 09:06:12,414 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 49 transitions. Stem has 5 letters. Loop has 18 letters. [2021-10-28 09:06:12,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:12,417 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 49 transitions. Stem has 23 letters. Loop has 18 letters. [2021-10-28 09:06:12,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:12,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 49 transitions. Stem has 5 letters. Loop has 36 letters. [2021-10-28 09:06:12,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:12,421 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5484 states and 8953 transitions. [2021-10-28 09:06:12,507 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 42 [2021-10-28 09:06:12,523 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5484 states to 1391 states and 1971 transitions. [2021-10-28 09:06:12,523 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-10-28 09:06:12,524 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-28 09:06:12,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1391 states and 1971 transitions. [2021-10-28 09:06:12,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:06:12,524 INFO L681 BuchiCegarLoop]: Abstraction has 1391 states and 1971 transitions. [2021-10-28 09:06:12,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1391 states and 1971 transitions. [2021-10-28 09:06:12,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1391 to 660. [2021-10-28 09:06:12,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 660 states have (on average 1.5893939393939394) internal successors, (1049), 659 states have internal predecessors, (1049), 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) [2021-10-28 09:06:12,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 1049 transitions. [2021-10-28 09:06:12,570 INFO L704 BuchiCegarLoop]: Abstraction has 660 states and 1049 transitions. [2021-10-28 09:06:12,570 INFO L587 BuchiCegarLoop]: Abstraction has 660 states and 1049 transitions. [2021-10-28 09:06:12,570 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-28 09:06:12,570 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 660 states and 1049 transitions. [2021-10-28 09:06:12,576 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-28 09:06:12,576 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:06:12,576 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:06:12,577 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2021-10-28 09:06:12,578 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [11, 6, 5] [2021-10-28 09:06:12,578 INFO L791 eck$LassoCheckResult]: Stem: 13384#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 13389#L15-2 assume !!(main_~c~0 > 0); 13475#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 13411#L15-2 assume !!(main_~c~0 > 0); 13408#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 13405#L15-2 [2021-10-28 09:06:12,578 INFO L793 eck$LassoCheckResult]: Loop: 13405#L15-2 assume !!(main_~c~0 > 0); 13406#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 14038#L15-2 assume !!(main_~c~0 > 0); 13902#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 13900#L15-2 assume !!(main_~c~0 > 0); 13898#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 13896#L15-2 assume !!(main_~c~0 > 0); 13894#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 13890#L15-2 assume !!(main_~c~0 > 0); 13888#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 13886#L15-2 assume !!(main_~c~0 > 0); 13882#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 13883#L15-2 assume !!(main_~c~0 > 0); 13868#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 13661#L15-2 assume !!(main_~c~0 > 0); 13866#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 13867#L15-2 assume !!(main_~c~0 > 0); 13413#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 13415#L15-2 assume !!(main_~c~0 > 0); 13414#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 13412#L15-2 assume !!(main_~c~0 > 0); 13410#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 13405#L15-2 [2021-10-28 09:06:12,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:12,579 INFO L85 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 8 times [2021-10-28 09:06:12,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:06:12,579 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788359594] [2021-10-28 09:06:12,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:06:12,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:06:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:12,587 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:06:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:12,592 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:06:12,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:12,593 INFO L85 PathProgramCache]: Analyzing trace with hash 684828652, now seen corresponding path program 8 times [2021-10-28 09:06:12,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:06:12,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475529076] [2021-10-28 09:06:12,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:06:12,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:06:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:12,614 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:06:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:12,628 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:06:12,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:12,629 INFO L85 PathProgramCache]: Analyzing trace with hash 185301141, now seen corresponding path program 11 times [2021-10-28 09:06:12,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:06:12,630 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859420543] [2021-10-28 09:06:12,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:06:12,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:06:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:12,644 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:06:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:12,656 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:06:12,927 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:06:12,927 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:06:12,927 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:06:12,927 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:06:12,927 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:06:12,928 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:12,928 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:06:12,928 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:06:12,928 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration13_Loop [2021-10-28 09:06:12,928 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:06:12,928 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:06:12,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:12,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:12,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:12,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:12,999 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:06:12,999 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:06:12,999 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:12,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:13,002 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:13,004 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:06:13,005 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:06:13,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-28 09:06:13,042 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:06:13,042 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_23=1} Honda state: {v_rep~unnamed0~0~true_23=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:06:13,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:13,083 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:13,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:13,086 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:13,089 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:06:13,090 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:06:13,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-28 09:06:13,118 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:06:13,118 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_23=0} Honda state: {v_rep~unnamed0~0~false_23=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:06:13,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:13,160 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:13,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:13,161 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:13,163 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:06:13,163 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:06:13,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-28 09:06:13,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:13,227 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:13,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:13,228 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:13,230 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:06:13,230 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:06:13,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-28 09:06:13,304 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:06:13,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:13,308 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:06:13,308 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:06:13,309 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:06:13,309 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:06:13,309 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:06:13,309 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:13,309 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:06:13,309 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:06:13,309 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration13_Loop [2021-10-28 09:06:13,309 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:06:13,309 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:06:13,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:13,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:13,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:13,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:13,391 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:06:13,391 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:06:13,391 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:13,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:13,393 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:13,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:06:13,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:13,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:13,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:13,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:13,409 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:06:13,409 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:06:13,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-28 09:06:13,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:06:13,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:13,462 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:13,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:13,466 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:13,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:06:13,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:13,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:13,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:13,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:13,482 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:06:13,482 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:06:13,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-28 09:06:13,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:06:13,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:13,534 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:13,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:13,536 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:13,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-28 09:06:13,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:06:13,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:13,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:06:13,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:13,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:13,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:13,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:06:13,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:06:13,564 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:06:13,567 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:06:13,568 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-28 09:06:13,568 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:13,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:13,569 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:13,571 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:06:13,571 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:06:13,571 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:06:13,571 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2021-10-28 09:06:13,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-28 09:06:13,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:13,604 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:06:13,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:13,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:13,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:13,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 09:06:13,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:13,999 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:13,999 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 11 loop predicates [2021-10-28 09:06:14,000 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 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) [2021-10-28 09:06:14,017 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434. Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 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 692 states and 1173 transitions. Complement of second has 5 states. [2021-10-28 09:06:14,018 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 [2021-10-28 09:06:14,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 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) [2021-10-28 09:06:14,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-28 09:06:14,019 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 22 letters. [2021-10-28 09:06:14,019 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:14,019 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:06:14,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:14,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:14,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:14,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 09:06:14,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:14,358 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:14,359 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 11 loop predicates [2021-10-28 09:06:14,359 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 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) [2021-10-28 09:06:14,373 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434. Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 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 692 states and 1173 transitions. Complement of second has 5 states. [2021-10-28 09:06:14,374 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 [2021-10-28 09:06:14,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 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) [2021-10-28 09:06:14,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-28 09:06:14,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 22 letters. [2021-10-28 09:06:14,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:14,375 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:06:14,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:14,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:14,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:14,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 09:06:14,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:14,730 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:14,730 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 11 loop predicates [2021-10-28 09:06:14,731 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 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) [2021-10-28 09:06:14,745 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434. Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 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 996 states and 1456 transitions. Complement of second has 4 states. [2021-10-28 09:06:14,746 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 [2021-10-28 09:06:14,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 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) [2021-10-28 09:06:14,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2021-10-28 09:06:14,746 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 22 letters. [2021-10-28 09:06:14,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:14,747 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:06:14,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:14,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:14,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:14,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 09:06:14,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:15,128 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:15,129 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 11 loop predicates [2021-10-28 09:06:15,129 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 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) [2021-10-28 09:06:15,172 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434. Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 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 1149 states and 1623 transitions. Complement of second has 8 states. [2021-10-28 09:06:15,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 09:06:15,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 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) [2021-10-28 09:06:15,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2021-10-28 09:06:15,173 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 22 letters. [2021-10-28 09:06:15,173 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:15,174 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:06:15,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:15,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:15,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:15,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 09:06:15,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:15,516 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:06:15,517 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.1 stem predicates 11 loop predicates [2021-10-28 09:06:15,517 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 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) [2021-10-28 09:06:15,603 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,604 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,605 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,605 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,606 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,606 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,607 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,607 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,608 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,608 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,608 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,609 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,609 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,609 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,609 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,610 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,610 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,611 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,612 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,612 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,612 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,612 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,613 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,613 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,614 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,614 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,614 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,614 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,616 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,616 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,617 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,617 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,618 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,618 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,618 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,619 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,619 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,620 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,620 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,620 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,621 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,622 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,622 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,622 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,623 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,624 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,624 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,625 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,625 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,625 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,626 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,626 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,626 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,627 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,627 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,627 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,628 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,629 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,629 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,629 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,695 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,695 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,695 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,695 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,697 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,697 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,698 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,698 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,699 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,700 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,700 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,700 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,702 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,702 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,702 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,703 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,703 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,703 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,703 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,704 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,704 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,704 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,704 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,705 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,705 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,705 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,705 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,706 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,706 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,706 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,706 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,707 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,708 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,708 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,709 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,709 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,710 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,711 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,711 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,711 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,712 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,712 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,712 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,712 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,712 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,713 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,713 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,713 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,715 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,715 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,715 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,715 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,716 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,716 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,716 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,716 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,717 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,718 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,718 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,719 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,720 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,720 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,721 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,721 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,721 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,721 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,722 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,722 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,722 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,722 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,723 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,723 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,724 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,724 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,725 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,725 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,725 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,726 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,726 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,726 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,727 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,727 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,728 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,728 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,729 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,729 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,729 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,729 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,730 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,731 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,731 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,732 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,733 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,733 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,734 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,734 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,734 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,734 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,735 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,735 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,735 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,735 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,736 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,736 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,737 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,737 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,738 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,738 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,738 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,739 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,739 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,739 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,740 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,740 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,741 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,741 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,741 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,742 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,742 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,742 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,820 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,820 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,821 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,821 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,821 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,821 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,823 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,824 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,824 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,824 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,824 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,825 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,827 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,827 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,827 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,828 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,828 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,828 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,831 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,831 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,832 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,832 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,832 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,832 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,833 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,833 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,833 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,833 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,834 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,834 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,834 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,834 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,834 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,835 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,835 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,835 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,835 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,836 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,836 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,836 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,836 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,837 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,837 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,837 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,837 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,837 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,838 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,838 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,840 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,840 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,840 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,841 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,841 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,841 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,843 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,843 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,843 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,844 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,844 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,844 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,844 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,845 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,845 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,845 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,845 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,846 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,846 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,846 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,846 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,846 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,847 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,847 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,849 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,849 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,849 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,849 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,849 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,850 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,850 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,850 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,850 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,851 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,852 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,852 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,852 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,853 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,854 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,854 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,855 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,855 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,855 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,857 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,857 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,857 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,857 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,858 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,858 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,858 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,858 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,859 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,859 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,859 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,859 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,860 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,860 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,860 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,861 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,862 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,862 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,863 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,863 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,864 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,864 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,864 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,864 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,864 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,865 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,865 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,866 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,867 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,867 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,867 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,867 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,868 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,868 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,868 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,869 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,870 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,870 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,871 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,871 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,871 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,873 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,873 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,873 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,874 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,874 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,875 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,875 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,875 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,875 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,876 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,876 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,876 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,876 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,877 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,877 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,877 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,877 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,877 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,878 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,879 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,879 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,880 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,880 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,880 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,880 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,881 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,882 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,882 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,882 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,884 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,884 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,884 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,884 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,884 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,885 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,885 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,885 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:15,885 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,023 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,024 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,024 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,024 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,025 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,025 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,027 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,027 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,028 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,028 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,028 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,028 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,030 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,031 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,031 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,031 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,031 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,032 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,034 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,034 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,034 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,035 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,035 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,035 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,035 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,035 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,036 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,036 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,036 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,036 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,037 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,037 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,037 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,037 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,038 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,038 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,038 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,038 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,039 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,039 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,039 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,039 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,039 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,040 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,040 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,040 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,040 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,041 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,043 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,043 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,043 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,044 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,044 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,044 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,046 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,047 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,047 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,047 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,047 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,048 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,048 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,048 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,048 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,049 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,049 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,049 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,049 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,049 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,050 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,050 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,050 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,050 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,051 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,051 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,053 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,053 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,053 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,054 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,055 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,055 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,056 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,056 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,057 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,058 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,058 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,058 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,058 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,059 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,059 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,059 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,059 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,060 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,060 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,060 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,060 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,061 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,061 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,061 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,062 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,062 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,063 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,064 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,064 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,064 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,065 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,065 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,065 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,065 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,066 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,066 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,067 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,067 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,067 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,068 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,069 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,069 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,069 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,071 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,071 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,071 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,072 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,073 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,074 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,075 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,075 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,075 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,075 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,076 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,076 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,076 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,076 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,077 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,077 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,077 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,077 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,078 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,078 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,078 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,080 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,080 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,080 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,080 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,081 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,081 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,081 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,081 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,082 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,083 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,083 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,084 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,084 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,084 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,084 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,084 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,208 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,209 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,209 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,209 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,210 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,210 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,210 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,210 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,210 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,211 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,211 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,211 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,215 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,215 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,215 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,216 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,216 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,216 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,216 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,216 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,217 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,217 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,217 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,217 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,218 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,218 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,218 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,218 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,219 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,219 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,219 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,219 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,219 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,220 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,220 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,220 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,220 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,221 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,221 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,221 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,221 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,221 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,222 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,222 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,222 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,222 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,223 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,223 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,224 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,224 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,225 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,225 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,226 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,226 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,226 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,226 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,226 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,227 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,229 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,229 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,229 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,229 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,229 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,230 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,231 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,232 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,232 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,232 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,232 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,233 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,233 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,233 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,233 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,234 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,234 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,234 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,234 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,234 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,235 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,235 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,235 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,235 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,236 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,236 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,237 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,238 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,238 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,238 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,238 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,238 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,240 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,241 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,241 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,241 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,241 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,242 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,243 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,244 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,244 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,244 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,244 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,245 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,245 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,245 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,245 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,246 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,246 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,246 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,246 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,247 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,247 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,247 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,247 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,248 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,249 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,249 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,249 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,249 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,250 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,250 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,251 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,251 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-28 09:06:16,331 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 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 14845 states and 25888 transitions. Complement of second has 212 states 24 powerset states188 rank states. The highest rank that occured is 7 [2021-10-28 09:06:16,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 1 stem states 11 non-accepting loop states 1 accepting loop states [2021-10-28 09:06:16,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 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) [2021-10-28 09:06:16,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 59 transitions. [2021-10-28 09:06:16,333 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 59 transitions. Stem has 5 letters. Loop has 22 letters. [2021-10-28 09:06:16,335 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:16,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 59 transitions. Stem has 27 letters. Loop has 22 letters. [2021-10-28 09:06:16,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:16,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 59 transitions. Stem has 5 letters. Loop has 44 letters. [2021-10-28 09:06:16,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:16,347 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14845 states and 25888 transitions. [2021-10-28 09:06:16,532 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 51 [2021-10-28 09:06:16,574 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14845 states to 3699 states and 5622 transitions. [2021-10-28 09:06:16,574 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-10-28 09:06:16,575 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-28 09:06:16,575 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3699 states and 5622 transitions. [2021-10-28 09:06:16,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:06:16,575 INFO L681 BuchiCegarLoop]: Abstraction has 3699 states and 5622 transitions. [2021-10-28 09:06:16,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3699 states and 5622 transitions. [2021-10-28 09:06:16,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3699 to 1604. [2021-10-28 09:06:16,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1604 states, 1604 states have (on average 1.7880299251870324) internal successors, (2868), 1603 states have internal predecessors, (2868), 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) [2021-10-28 09:06:16,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2868 transitions. [2021-10-28 09:06:16,649 INFO L704 BuchiCegarLoop]: Abstraction has 1604 states and 2868 transitions. [2021-10-28 09:06:16,649 INFO L587 BuchiCegarLoop]: Abstraction has 1604 states and 2868 transitions. [2021-10-28 09:06:16,649 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-28 09:06:16,649 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1604 states and 2868 transitions. [2021-10-28 09:06:16,658 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2021-10-28 09:06:16,658 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:06:16,658 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:06:16,660 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2021-10-28 09:06:16,661 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [13, 7, 6] [2021-10-28 09:06:16,661 INFO L791 eck$LassoCheckResult]: Stem: 33134#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 33152#L15-2 assume !!(main_~c~0 > 0); 33390#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 33178#L15-2 assume !!(main_~c~0 > 0); 33175#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 33171#L15-2 [2021-10-28 09:06:16,663 INFO L793 eck$LassoCheckResult]: Loop: 33171#L15-2 assume !!(main_~c~0 > 0); 33172#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 34732#L15-2 assume !!(main_~c~0 > 0); 34533#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 34530#L15-2 assume !!(main_~c~0 > 0); 34528#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 34527#L15-2 assume !!(main_~c~0 > 0); 34525#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 34521#L15-2 assume !!(main_~c~0 > 0); 34520#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 34519#L15-2 assume !!(main_~c~0 > 0); 34518#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 34517#L15-2 assume !!(main_~c~0 > 0); 34516#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 33587#L15-2 assume !!(main_~c~0 > 0); 34515#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 34514#L15-2 assume !!(main_~c~0 > 0); 34513#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 33571#L15-2 assume !!(main_~c~0 > 0); 34512#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 34510#L15-2 assume !!(main_~c~0 > 0); 33180#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 33182#L15-2 assume !!(main_~c~0 > 0); 33181#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 33179#L15-2 assume !!(main_~c~0 > 0); 33177#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 33171#L15-2 [2021-10-28 09:06:16,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:16,663 INFO L85 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 9 times [2021-10-28 09:06:16,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:06:16,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606067385] [2021-10-28 09:06:16,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:06:16,664 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:06:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:16,671 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:06:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:16,684 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:06:16,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:16,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1767338060, now seen corresponding path program 9 times [2021-10-28 09:06:16,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:06:16,689 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611894593] [2021-10-28 09:06:16,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:06:16,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:06:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:16,708 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:06:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:16,724 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:06:16,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:16,726 INFO L85 PathProgramCache]: Analyzing trace with hash 818406365, now seen corresponding path program 12 times [2021-10-28 09:06:16,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:06:16,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691567966] [2021-10-28 09:06:16,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:06:16,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:06:16,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:16,741 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:06:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:16,760 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:06:17,162 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:06:17,162 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:06:17,162 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:06:17,162 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:06:17,163 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:06:17,163 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:17,163 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:06:17,163 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:06:17,163 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration14_Loop [2021-10-28 09:06:17,163 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:06:17,163 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:06:17,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:17,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:17,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:17,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:17,231 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:06:17,231 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:06:17,231 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:17,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:17,232 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:17,234 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:06:17,235 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:06:17,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-28 09:06:17,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:17,301 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:17,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:17,302 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:17,304 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:06:17,305 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:06:17,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-28 09:06:17,378 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:06:17,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:17,382 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:06:17,382 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:06:17,382 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:06:17,382 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:06:17,382 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:06:17,382 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:17,382 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:06:17,382 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:06:17,382 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration14_Loop [2021-10-28 09:06:17,382 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:06:17,382 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:06:17,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:17,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:17,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:17,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:06:17,453 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:06:17,453 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:06:17,453 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:17,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:17,455 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:17,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:06:17,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:17,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:17,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:17,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:17,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:06:17,471 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:06:17,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-28 09:06:17,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:06:17,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:17,526 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:17,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:17,528 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:17,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:06:17,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:17,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:06:17,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:17,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:17,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:17,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:06:17,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:06:17,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-28 09:06:17,553 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:06:17,566 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-10-28 09:06:17,566 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 09:06:17,566 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:17,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:17,568 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:17,570 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:06:17,570 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:06:17,570 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:06:17,570 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~c~0) = 1*ULTIMATE.start_main_~c~0 Supporting invariants [] [2021-10-28 09:06:17,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-28 09:06:17,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:17,614 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:06:17,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:17,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:17,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:17,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-28 09:06:17,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:17,900 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-28 09:06:17,901 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2021-10-28 09:06:17,901 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357 Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:06:17,917 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1668 states and 3224 transitions. Complement of second has 5 states. [2021-10-28 09:06:17,917 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 [2021-10-28 09:06:17,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:06:17,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-28 09:06:17,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 26 letters. [2021-10-28 09:06:17,918 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:17,918 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:06:17,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:17,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:17,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:17,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-28 09:06:17,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:18,188 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-28 09:06:18,188 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 6 loop predicates [2021-10-28 09:06:18,188 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357 Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:06:18,203 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1668 states and 3224 transitions. Complement of second has 5 states. [2021-10-28 09:06:18,203 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 [2021-10-28 09:06:18,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:06:18,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-28 09:06:18,204 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 26 letters. [2021-10-28 09:06:18,204 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:18,204 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:06:18,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:18,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:18,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:18,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-28 09:06:18,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:18,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:18,525 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-28 09:06:18,526 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2021-10-28 09:06:18,526 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357 Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:06:18,559 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2364 states and 3787 transitions. Complement of second has 7 states. [2021-10-28 09:06:18,559 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 [2021-10-28 09:06:18,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:06:18,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2021-10-28 09:06:18,560 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 5 letters. Loop has 26 letters. [2021-10-28 09:06:18,561 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:18,561 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 09:06:18,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:18,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:18,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:18,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-28 09:06:18,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:18,860 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-28 09:06:18,860 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 6 loop predicates [2021-10-28 09:06:18,861 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357 Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:06:18,921 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 3111 states and 5286 transitions. Complement of second has 12 states. [2021-10-28 09:06:18,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2021-10-28 09:06:18,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:06:18,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions. [2021-10-28 09:06:18,922 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 5 letters. Loop has 26 letters. [2021-10-28 09:06:18,923 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:18,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 31 letters. Loop has 26 letters. [2021-10-28 09:06:18,923 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:18,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 5 letters. Loop has 52 letters. [2021-10-28 09:06:18,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:18,924 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3111 states and 5286 transitions. [2021-10-28 09:06:18,948 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:06:18,949 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3111 states to 0 states and 0 transitions. [2021-10-28 09:06:18,949 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:06:18,949 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:06:18,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:06:18,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:06:18,949 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:06:18,950 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:06:18,950 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:06:18,950 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-10-28 09:06:18,950 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:06:18,950 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:06:18,950 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:06:18,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:06:18 BoogieIcfgContainer [2021-10-28 09:06:18,959 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:06:18,959 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:06:18,960 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:06:18,960 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:06:18,960 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:05:55" (3/4) ... [2021-10-28 09:06:18,964 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:06:18,964 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:06:18,966 INFO L168 Benchmark]: Toolchain (without parser) took 24516.67 ms. Allocated memory was 83.9 MB in the beginning and 218.1 MB in the end (delta: 134.2 MB). Free memory was 48.2 MB in the beginning and 75.8 MB in the end (delta: -27.6 MB). Peak memory consumption was 106.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:06:18,967 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 83.9 MB. Free memory was 64.4 MB in the beginning and 64.3 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:06:18,968 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.46 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 48.0 MB in the beginning and 78.5 MB in the end (delta: -30.5 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:06:18,968 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.73 ms. Allocated memory is still 100.7 MB. Free memory was 78.5 MB in the beginning and 77.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:06:18,969 INFO L168 Benchmark]: Boogie Preprocessor took 22.90 ms. Allocated memory is still 100.7 MB. Free memory was 77.3 MB in the beginning and 76.4 MB in the end (delta: 945.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:06:18,969 INFO L168 Benchmark]: RCFGBuilder took 264.69 ms. Allocated memory is still 100.7 MB. Free memory was 76.4 MB in the beginning and 68.6 MB in the end (delta: 7.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:06:18,970 INFO L168 Benchmark]: BuchiAutomizer took 23881.16 ms. Allocated memory was 100.7 MB in the beginning and 218.1 MB in the end (delta: 117.4 MB). Free memory was 68.6 MB in the beginning and 75.8 MB in the end (delta: -7.2 MB). Peak memory consumption was 113.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:06:18,970 INFO L168 Benchmark]: Witness Printer took 4.88 ms. Allocated memory is still 218.1 MB. Free memory is still 75.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:06:18,979 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 83.9 MB. Free memory was 64.4 MB in the beginning and 64.3 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 291.46 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 48.0 MB in the beginning and 78.5 MB in the end (delta: -30.5 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.73 ms. Allocated memory is still 100.7 MB. Free memory was 78.5 MB in the beginning and 77.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.90 ms. Allocated memory is still 100.7 MB. Free memory was 77.3 MB in the beginning and 76.4 MB in the end (delta: 945.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 264.69 ms. Allocated memory is still 100.7 MB. Free memory was 76.4 MB in the beginning and 68.6 MB in the end (delta: 7.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 23881.16 ms. Allocated memory was 100.7 MB in the beginning and 218.1 MB in the end (delta: 117.4 MB). Free memory was 68.6 MB in the beginning and 75.8 MB in the end (delta: -7.2 MB). Peak memory consumption was 113.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.88 ms. Allocated memory is still 218.1 MB. Free memory is still 75.8 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 17 terminating modules (4 trivial, 4 deterministic, 9 nondeterministic). One deterministic module has affine ranking function n and consists of 4 locations. One deterministic module has affine ranking function c and consists of 3 locations. One deterministic module has affine ranking function 211 + -2 * n and consists of 3 locations. One deterministic module has affine ranking function n and consists of 5 locations. One nondeterministic module has affine ranking function c and consists of 3 locations. One nondeterministic module has affine ranking function 211 + -2 * n and consists of 3 locations. One nondeterministic module has affine ranking function 201 + -2 * n and consists of 5 locations. One nondeterministic module has affine ranking function n and consists of 5 locations. One nondeterministic module has affine ranking function n and consists of 7 locations. One nondeterministic module has affine ranking function n and consists of 9 locations. One nondeterministic module has affine ranking function n and consists of 11 locations. One nondeterministic module has affine ranking function n and consists of 13 locations. One nondeterministic module has affine ranking function c and consists of 6 locations. 4 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 23.8s and 15 iterations. TraceHistogramMax:13. Analysis of lassos took 11.8s. Construction of modules took 0.4s. Büchi inclusion checks took 10.6s. Highest rank in rank-based complementation 7. Minimization of det autom 1. Minimization of nondet autom 16. Automata minimization 0.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 3169 StatesRemovedByMinimization, 14 NontrivialMinimizations. Non-live state removal took 0.4s Buchi closure took 0.0s. Biggest automaton had 1604 states and ocurred in iteration 13. Nontrivial modules had stage [4, 0, 3, 1, 5]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 254/414 HoareTripleCheckerStatistics: 213 SDtfs, 239 SDslu, 127 SDs, 0 SdLazy, 380 SolverSat, 137 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT10 conc0 concLT1 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax158 hnf96 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq151 hnf94 smp97 dnf100 smp100 tf112 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 64ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 11 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 13 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 3.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 09:06:19,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:19,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2021-10-28 09:06:19,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2021-10-28 09:06:19,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571dce39-c20b-4369-9ba9-64e37b67a330/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...