./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaC9.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaC9.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa --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 412fb3b66f422c2f340abd39599b6085b130f6c6cf8ebb6dae738faf0b014126 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:44:00,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:44:00,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:44:00,323 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:44:00,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:44:00,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:44:00,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:44:00,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:44:00,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:44:00,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:44:00,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:44:00,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:44:00,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:44:00,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:44:00,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:44:00,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:44:00,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:44:00,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:44:00,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:44:00,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:44:00,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:44:00,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:44:00,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:44:00,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:44:00,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:44:00,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:44:00,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:44:00,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:44:00,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:44:00,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:44:00,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:44:00,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:44:00,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:44:00,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:44:00,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:44:00,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:44:00,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:44:00,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:44:00,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:44:00,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:44:00,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:44:00,365 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-06 20:44:00,388 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:44:00,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:44:00,389 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:44:00,389 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:44:00,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:44:00,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:44:00,390 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:44:00,390 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 20:44:00,390 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 20:44:00,391 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 20:44:00,391 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 20:44:00,391 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 20:44:00,391 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 20:44:00,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:44:00,391 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 20:44:00,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 20:44:00,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:44:00,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 20:44:00,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 20:44:00,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 20:44:00,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 20:44:00,392 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 20:44:00,392 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:44:00,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 20:44:00,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:44:00,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:44:00,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:44:00,399 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 20:44:00,399 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:44:00,400 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 20:44:00,400 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_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 412fb3b66f422c2f340abd39599b6085b130f6c6cf8ebb6dae738faf0b014126 [2021-12-06 20:44:00,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:44:00,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:44:00,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:44:00,601 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:44:00,601 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:44:00,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-restricted-15/PastaC9.c [2021-12-06 20:44:00,642 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/data/419b6cb20/71d88fd146fc4239889584f2af6ca0ee/FLAG0d3c77cbc [2021-12-06 20:44:00,995 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:44:00,996 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/sv-benchmarks/c/termination-restricted-15/PastaC9.c [2021-12-06 20:44:01,000 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/data/419b6cb20/71d88fd146fc4239889584f2af6ca0ee/FLAG0d3c77cbc [2021-12-06 20:44:01,009 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/data/419b6cb20/71d88fd146fc4239889584f2af6ca0ee [2021-12-06 20:44:01,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:44:01,012 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:44:01,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:44:01,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:44:01,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:44:01,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:44:01" (1/1) ... [2021-12-06 20:44:01,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14cf978d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:44:01, skipping insertion in model container [2021-12-06 20:44:01,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:44:01" (1/1) ... [2021-12-06 20:44:01,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:44:01,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:44:01,145 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:44:01,148 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 20:44:01,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:44:01,166 INFO L208 MainTranslator]: Completed translation [2021-12-06 20:44:01,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:44:01 WrapperNode [2021-12-06 20:44:01,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:44:01,167 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 20:44:01,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 20:44:01,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 20:44:01,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:44:01" (1/1) ... [2021-12-06 20:44:01,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:44:01" (1/1) ... [2021-12-06 20:44:01,188 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2021-12-06 20:44:01,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 20:44:01,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 20:44:01,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 20:44:01,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 20:44:01,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:44:01" (1/1) ... [2021-12-06 20:44:01,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:44:01" (1/1) ... [2021-12-06 20:44:01,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:44:01" (1/1) ... [2021-12-06 20:44:01,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:44:01" (1/1) ... [2021-12-06 20:44:01,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:44:01" (1/1) ... [2021-12-06 20:44:01,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:44:01" (1/1) ... [2021-12-06 20:44:01,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:44:01" (1/1) ... [2021-12-06 20:44:01,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 20:44:01,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 20:44:01,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 20:44:01,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 20:44:01,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:44:01" (1/1) ... [2021-12-06 20:44:01,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:01,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:01,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:01,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 20:44:01,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 20:44:01,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 20:44:01,312 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 20:44:01,314 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 20:44:01,360 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 20:44:01,365 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 20:44:01,365 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 20:44:01,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:44:01 BoogieIcfgContainer [2021-12-06 20:44:01,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 20:44:01,367 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 20:44:01,367 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 20:44:01,370 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 20:44:01,370 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 20:44:01,370 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 08:44:01" (1/3) ... [2021-12-06 20:44:01,371 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34455f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 08:44:01, skipping insertion in model container [2021-12-06 20:44:01,371 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 20:44:01,371 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:44:01" (2/3) ... [2021-12-06 20:44:01,372 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34455f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 08:44:01, skipping insertion in model container [2021-12-06 20:44:01,372 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 20:44:01,372 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:44:01" (3/3) ... [2021-12-06 20:44:01,373 INFO L388 chiAutomizerObserver]: Analyzing ICFG PastaC9.c [2021-12-06 20:44:01,406 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 20:44:01,406 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 20:44:01,406 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 20:44:01,407 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 20:44:01,407 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 20:44:01,407 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 20:44:01,407 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 20:44:01,407 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 20:44:01,417 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 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) [2021-12-06 20:44:01,430 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 20:44:01,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 20:44:01,430 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 20:44:01,435 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 20:44:01,435 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 20:44:01,435 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 20:44:01,435 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 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) [2021-12-06 20:44:01,436 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 20:44:01,436 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 20:44:01,437 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 20:44:01,437 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 20:44:01,437 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 20:44:01,444 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_~x~0#1, main_~y~0#1, main_~random~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~random~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 9#L14-2true [2021-12-06 20:44:01,444 INFO L793 eck$LassoCheckResult]: Loop: 9#L14-2true assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);main_~random~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 8#L14true assume !(main_~random~0#1 < 42);main_~y~0#1 := main_~y~0#1 - 1; 9#L14-2true [2021-12-06 20:44:01,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:01,450 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-06 20:44:01,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:44:01,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066090750] [2021-12-06 20:44:01,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:44:01,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:44:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:44:01,518 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:44:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:44:01,531 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:44:01,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:01,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2021-12-06 20:44:01,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:44:01,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193947558] [2021-12-06 20:44:01,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:44:01,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:44:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:44:01,542 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:44:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:44:01,547 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:44:01,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:01,549 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2021-12-06 20:44:01,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:44:01,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900906622] [2021-12-06 20:44:01,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:44:01,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:44:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:44:01,556 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:44:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:44:01,561 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:44:01,636 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 20:44:01,637 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 20:44:01,637 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 20:44:01,637 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 20:44:01,637 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 20:44:01,637 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:01,637 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 20:44:01,637 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 20:44:01,637 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration1_Loop [2021-12-06 20:44:01,638 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 20:44:01,638 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 20:44:01,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:01,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:01,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:01,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:01,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:01,742 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 20:44:01,742 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 20:44:01,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:01,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:01,746 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:01,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 20:44:01,748 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 20:44:01,748 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:44:01,769 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 20:44:01,769 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: [] [2021-12-06 20:44:01,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 20:44:01,789 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:01,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:01,790 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:01,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 20:44:01,791 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 20:44:01,791 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:44:01,805 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 20:44:01,805 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: [] [2021-12-06 20:44:01,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 20:44:01,825 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:01,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:01,825 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:01,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 20:44:01,827 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 20:44:01,827 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:44:01,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 20:44:01,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:01,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:01,856 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:01,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 20:44:01,857 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 20:44:01,857 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:44:01,905 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 20:44:01,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 20:44:01,908 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 20:44:01,908 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 20:44:01,908 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 20:44:01,908 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 20:44:01,908 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 20:44:01,908 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:01,908 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 20:44:01,908 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 20:44:01,908 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration1_Loop [2021-12-06 20:44:01,909 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 20:44:01,909 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 20:44:01,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:01,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:01,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:01,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:01,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:01,968 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 20:44:01,973 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 20:44:01,974 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:01,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:01,975 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:01,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 20:44:01,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:44:01,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:44:01,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:44:01,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:44:01,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:44:01,991 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:44:01,991 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:44:01,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:44:02,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 20:44:02,023 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:02,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:02,023 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:02,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 20:44:02,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:44:02,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:44:02,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:44:02,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:44:02,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:44:02,036 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:44:02,036 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:44:02,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:44:02,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 20:44:02,059 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:02,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:02,060 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:02,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 20:44:02,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:44:02,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:44:02,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:44:02,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:44:02,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:44:02,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:44:02,071 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:44:02,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:44:02,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:44:02,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-06 20:44:02,091 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:02,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:02,092 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:02,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 20:44:02,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:44:02,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:44:02,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:44:02,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:44:02,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:44:02,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:44:02,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:44:02,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:44:02,104 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 20:44:02,107 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-06 20:44:02,108 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-06 20:44:02,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:02,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:02,109 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:02,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 20:44:02,111 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 20:44:02,111 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-06 20:44:02,111 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 20:44:02,111 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2021-12-06 20:44:02,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 20:44:02,131 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-06 20:44:02,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:02,152 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:44:02,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:44:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:02,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 20:44:02,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:44:02,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:44:02,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-06 20:44:02,210 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 [2021-12-06 20:44:02,210 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 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) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:44:02,239 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 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). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 31 transitions. Complement of second has 8 states. [2021-12-06 20:44:02,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-06 20:44:02,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:44:02,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2021-12-06 20:44:02,244 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2021-12-06 20:44:02,245 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:44:02,245 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-06 20:44:02,245 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:44:02,245 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. [2021-12-06 20:44:02,245 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:44:02,246 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2021-12-06 20:44:02,248 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 20:44:02,250 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 8 states and 11 transitions. [2021-12-06 20:44:02,251 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2021-12-06 20:44:02,251 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-12-06 20:44:02,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2021-12-06 20:44:02,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 20:44:02,251 INFO L681 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2021-12-06 20:44:02,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2021-12-06 20:44:02,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-12-06 20:44:02,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 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) [2021-12-06 20:44:02,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2021-12-06 20:44:02,269 INFO L704 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2021-12-06 20:44:02,269 INFO L587 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2021-12-06 20:44:02,269 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 20:44:02,269 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. [2021-12-06 20:44:02,269 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 20:44:02,269 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 20:44:02,269 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 20:44:02,270 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-06 20:44:02,270 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 20:44:02,270 INFO L791 eck$LassoCheckResult]: Stem: 72#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 73#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_~x~0#1, main_~y~0#1, main_~random~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~random~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 74#L14-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);main_~random~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 75#L14 assume main_~random~0#1 < 42;main_~x~0#1 := main_~x~0#1 - 1;main_~random~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~y~0#1 := main_~random~0#1; 76#L14-2 [2021-12-06 20:44:02,270 INFO L793 eck$LassoCheckResult]: Loop: 76#L14-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);main_~random~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 79#L14 assume !(main_~random~0#1 < 42);main_~y~0#1 := main_~y~0#1 - 1; 76#L14-2 [2021-12-06 20:44:02,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:02,270 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2021-12-06 20:44:02,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:44:02,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037398067] [2021-12-06 20:44:02,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:44:02,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:44:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:44:02,275 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:44:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:44:02,279 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:44:02,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:02,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 2 times [2021-12-06 20:44:02,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:44:02,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848704043] [2021-12-06 20:44:02,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:44:02,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:44:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:44:02,284 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:44:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:44:02,287 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:44:02,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:02,288 INFO L85 PathProgramCache]: Analyzing trace with hash 889692235, now seen corresponding path program 1 times [2021-12-06 20:44:02,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:44:02,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542787183] [2021-12-06 20:44:02,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:44:02,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:44:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:44:02,294 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:44:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:44:02,300 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:44:02,321 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 20:44:02,321 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 20:44:02,321 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 20:44:02,321 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 20:44:02,321 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 20:44:02,321 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:02,321 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 20:44:02,322 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 20:44:02,322 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration2_Loop [2021-12-06 20:44:02,322 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 20:44:02,322 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 20:44:02,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:02,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:02,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:02,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:02,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:02,366 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 20:44:02,366 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 20:44:02,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:02,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:02,368 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:02,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 20:44:02,370 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 20:44:02,370 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:44:02,383 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 20:44:02,383 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: [] [2021-12-06 20:44:02,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-06 20:44:02,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:02,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:02,405 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:02,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 20:44:02,406 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 20:44:02,406 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:44:02,419 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 20:44:02,419 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 20:44:02,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-06 20:44:02,438 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:02,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:02,439 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:02,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 20:44:02,440 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 20:44:02,440 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:44:02,454 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 20:44:02,454 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~random~0#1=59, ULTIMATE.start_main_#t~nondet2#1=59} Honda state: {ULTIMATE.start_main_~random~0#1=59, ULTIMATE.start_main_#t~nondet2#1=59} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 20:44:02,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 20:44:02,473 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:02,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:02,473 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:02,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 20:44:02,475 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 20:44:02,475 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:44:02,490 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 20:44:02,490 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 20:44:02,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-06 20:44:02,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:02,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:02,516 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:02,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 20:44:02,517 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 20:44:02,517 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:44:02,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-06 20:44:02,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:02,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:02,544 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:02,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 20:44:02,545 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 20:44:02,545 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:44:02,575 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 20:44:02,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-06 20:44:02,578 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 20:44:02,578 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 20:44:02,578 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 20:44:02,578 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 20:44:02,578 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 20:44:02,578 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:02,578 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 20:44:02,578 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 20:44:02,578 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration2_Loop [2021-12-06 20:44:02,578 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 20:44:02,578 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 20:44:02,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:02,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:02,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:02,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:02,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:02,615 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 20:44:02,615 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 20:44:02,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:02,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:02,616 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:02,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 20:44:02,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:44:02,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:44:02,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:44:02,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:44:02,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:44:02,627 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:44:02,627 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:44:02,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:44:02,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-06 20:44:02,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:02,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:02,649 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:02,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 20:44:02,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:44:02,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:44:02,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:44:02,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:44:02,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:44:02,661 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:44:02,661 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:44:02,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:44:02,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-06 20:44:02,682 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:02,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:02,683 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:02,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 20:44:02,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:44:02,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:44:02,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:44:02,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:44:02,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:44:02,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:44:02,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:44:02,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:44:02,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:44:02,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-06 20:44:02,713 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:02,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:02,714 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:02,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 20:44:02,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:44:02,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:44:02,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:44:02,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:44:02,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:44:02,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:44:02,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:44:02,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:44:02,725 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 20:44:02,728 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-06 20:44:02,728 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-06 20:44:02,728 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:02,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:02,729 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:02,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 20:44:02,759 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 20:44:02,759 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-06 20:44:02,759 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 20:44:02,759 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2021-12-06 20:44:02,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-06 20:44:02,779 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-06 20:44:02,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:02,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:44:02,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:44:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:02,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 20:44:02,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:44:02,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:44:02,809 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 [2021-12-06 20:44:02,809 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5 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) [2021-12-06 20:44:02,818 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5. 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 12 states and 17 transitions. Complement of second has 5 states. [2021-12-06 20:44:02,818 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 [2021-12-06 20:44:02,819 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) [2021-12-06 20:44:02,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2021-12-06 20:44:02,819 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-06 20:44:02,820 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:44:02,820 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2021-12-06 20:44:02,820 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:44:02,820 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 4 letters. [2021-12-06 20:44:02,821 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:44:02,821 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 17 transitions. [2021-12-06 20:44:02,822 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 20:44:02,822 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 17 transitions. [2021-12-06 20:44:02,822 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-12-06 20:44:02,822 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-12-06 20:44:02,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 17 transitions. [2021-12-06 20:44:02,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 20:44:02,823 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 17 transitions. [2021-12-06 20:44:02,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 17 transitions. [2021-12-06 20:44:02,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-12-06 20:44:02,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:44:02,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 17 transitions. [2021-12-06 20:44:02,824 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 17 transitions. [2021-12-06 20:44:02,824 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 17 transitions. [2021-12-06 20:44:02,825 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 20:44:02,825 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 17 transitions. [2021-12-06 20:44:02,825 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 20:44:02,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 20:44:02,825 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 20:44:02,826 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1] [2021-12-06 20:44:02,826 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 20:44:02,826 INFO L791 eck$LassoCheckResult]: Stem: 131#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 132#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_~x~0#1, main_~y~0#1, main_~random~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~random~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 133#L14-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);main_~random~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 134#L14 assume main_~random~0#1 < 42;main_~x~0#1 := main_~x~0#1 - 1;main_~random~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~y~0#1 := main_~random~0#1; 135#L14-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);main_~random~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 140#L14 assume main_~random~0#1 < 42;main_~x~0#1 := main_~x~0#1 - 1;main_~random~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~y~0#1 := main_~random~0#1; 138#L14-2 [2021-12-06 20:44:02,826 INFO L793 eck$LassoCheckResult]: Loop: 138#L14-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);main_~random~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 139#L14 assume !(main_~random~0#1 < 42);main_~y~0#1 := main_~y~0#1 - 1; 138#L14-2 [2021-12-06 20:44:02,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:02,826 INFO L85 PathProgramCache]: Analyzing trace with hash 889692233, now seen corresponding path program 2 times [2021-12-06 20:44:02,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:44:02,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213837120] [2021-12-06 20:44:02,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:44:02,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:44:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:44:02,834 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:44:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:44:02,841 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:44:02,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:02,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 3 times [2021-12-06 20:44:02,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:44:02,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818438596] [2021-12-06 20:44:02,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:44:02,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:44:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:44:02,846 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:44:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:44:02,849 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:44:02,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:02,849 INFO L85 PathProgramCache]: Analyzing trace with hash 295744366, now seen corresponding path program 2 times [2021-12-06 20:44:02,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:44:02,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901719844] [2021-12-06 20:44:02,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:44:02,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:44:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:44:02,856 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:44:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:44:02,862 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:44:02,880 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 20:44:02,880 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 20:44:02,880 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 20:44:02,880 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 20:44:02,880 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 20:44:02,880 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:02,880 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 20:44:02,880 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 20:44:02,881 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration3_Loop [2021-12-06 20:44:02,881 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 20:44:02,881 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 20:44:02,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:02,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:02,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:02,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:02,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:02,917 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 20:44:02,917 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 20:44:02,917 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:02,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:02,918 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:02,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 20:44:02,920 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 20:44:02,920 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:44:02,933 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 20:44:02,933 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~random~0#1=59, ULTIMATE.start_main_#t~nondet2#1=59} Honda state: {ULTIMATE.start_main_~random~0#1=59, ULTIMATE.start_main_#t~nondet2#1=59} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 20:44:02,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-06 20:44:02,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:02,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:02,953 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:02,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 20:44:02,954 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 20:44:02,955 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:44:02,967 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 20:44:02,967 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 20:44:02,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-06 20:44:02,985 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:02,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:02,986 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:02,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 20:44:02,987 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 20:44:02,987 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:44:03,000 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 20:44:03,000 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: [] [2021-12-06 20:44:03,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-06 20:44:03,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:03,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:03,019 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:03,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 20:44:03,020 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 20:44:03,020 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:44:03,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-12-06 20:44:03,046 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:03,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:03,047 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:03,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 20:44:03,048 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 20:44:03,048 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:44:03,078 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 20:44:03,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-06 20:44:03,080 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 20:44:03,081 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 20:44:03,081 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 20:44:03,081 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 20:44:03,081 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 20:44:03,081 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:03,081 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 20:44:03,081 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 20:44:03,081 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration3_Loop [2021-12-06 20:44:03,081 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 20:44:03,081 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 20:44:03,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:03,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:03,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:03,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:03,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:03,117 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 20:44:03,117 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 20:44:03,117 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:03,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:03,118 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:03,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 20:44:03,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:44:03,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:44:03,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:44:03,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:44:03,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:44:03,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:44:03,127 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:44:03,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:44:03,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:44:03,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-12-06 20:44:03,147 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:03,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:03,148 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:03,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-06 20:44:03,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:44:03,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:44:03,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:44:03,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:44:03,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:44:03,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:44:03,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:44:03,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:44:03,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:44:03,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-06 20:44:03,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:03,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:03,178 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:03,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-06 20:44:03,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:44:03,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:44:03,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:44:03,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:44:03,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:44:03,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:44:03,193 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:44:03,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:44:03,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-06 20:44:03,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:03,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:03,215 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:03,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-06 20:44:03,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:44:03,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-12-06 20:44:03,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:44:03,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:44:03,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:44:03,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:44:03,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:44:03,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:44:03,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:44:03,226 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 20:44:03,228 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-06 20:44:03,228 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-06 20:44:03,228 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:03,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:03,229 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:03,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-06 20:44:03,229 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 20:44:03,229 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-06 20:44:03,230 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 20:44:03,230 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2021-12-06 20:44:03,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-06 20:44:03,248 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-06 20:44:03,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:03,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:44:03,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:44:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:03,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 20:44:03,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:44:03,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:44:03,278 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 [2021-12-06 20:44:03,278 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2021-12-06 20:44:03,285 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) Result 14 states and 21 transitions. Complement of second has 5 states. [2021-12-06 20:44:03,285 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 [2021-12-06 20:44:03,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2021-12-06 20:44:03,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2021-12-06 20:44:03,286 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2021-12-06 20:44:03,286 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:44:03,286 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 20:44:03,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:03,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:44:03,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:44:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:03,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 20:44:03,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:44:03,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:44:03,316 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 [2021-12-06 20:44:03,316 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2021-12-06 20:44:03,322 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) Result 14 states and 21 transitions. Complement of second has 5 states. [2021-12-06 20:44:03,322 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 [2021-12-06 20:44:03,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2021-12-06 20:44:03,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2021-12-06 20:44:03,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2021-12-06 20:44:03,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:44:03,323 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 20:44:03,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:03,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:44:03,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:44:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:03,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 20:44:03,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:44:03,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:44:03,352 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 [2021-12-06 20:44:03,352 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2021-12-06 20:44:03,359 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) Result 16 states and 24 transitions. Complement of second has 4 states. [2021-12-06 20:44:03,359 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 [2021-12-06 20:44:03,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2021-12-06 20:44:03,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2021-12-06 20:44:03,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2021-12-06 20:44:03,360 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:44:03,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 8 letters. Loop has 2 letters. [2021-12-06 20:44:03,360 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:44:03,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 4 letters. [2021-12-06 20:44:03,360 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:44:03,361 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 24 transitions. [2021-12-06 20:44:03,361 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-06 20:44:03,362 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 14 states and 20 transitions. [2021-12-06 20:44:03,362 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-12-06 20:44:03,362 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-12-06 20:44:03,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 20 transitions. [2021-12-06 20:44:03,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 20:44:03,362 INFO L681 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2021-12-06 20:44:03,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 20 transitions. [2021-12-06 20:44:03,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 6. [2021-12-06 20:44:03,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:44:03,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2021-12-06 20:44:03,363 INFO L704 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2021-12-06 20:44:03,363 INFO L587 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2021-12-06 20:44:03,363 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 20:44:03,363 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. [2021-12-06 20:44:03,363 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-06 20:44:03,363 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 20:44:03,363 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 20:44:03,364 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 20:44:03,364 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 20:44:03,364 INFO L791 eck$LassoCheckResult]: Stem: 291#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 292#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_~x~0#1, main_~y~0#1, main_~random~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~random~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 293#L14-2 [2021-12-06 20:44:03,364 INFO L793 eck$LassoCheckResult]: Loop: 293#L14-2 assume !!(main_~x~0#1 > 0 && main_~y~0#1 > 0);main_~random~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 294#L14 assume main_~random~0#1 < 42;main_~x~0#1 := main_~x~0#1 - 1;main_~random~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~y~0#1 := main_~random~0#1; 293#L14-2 [2021-12-06 20:44:03,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:03,364 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2021-12-06 20:44:03,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:44:03,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681629679] [2021-12-06 20:44:03,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:44:03,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:44:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:44:03,366 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:44:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:44:03,367 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:44:03,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:03,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 1 times [2021-12-06 20:44:03,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:44:03,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675572658] [2021-12-06 20:44:03,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:44:03,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:44:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:44:03,371 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:44:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:44:03,373 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:44:03,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:03,374 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 3 times [2021-12-06 20:44:03,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:44:03,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002030456] [2021-12-06 20:44:03,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:44:03,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:44:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:44:03,377 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:44:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:44:03,379 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:44:03,409 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 20:44:03,409 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 20:44:03,409 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 20:44:03,409 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 20:44:03,409 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 20:44:03,409 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:03,409 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 20:44:03,410 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 20:44:03,410 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration4_Loop [2021-12-06 20:44:03,410 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 20:44:03,410 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 20:44:03,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:03,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:03,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:03,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:03,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:03,449 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 20:44:03,449 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 20:44:03,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:03,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:03,450 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:03,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-06 20:44:03,451 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 20:44:03,451 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:44:03,465 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 20:44:03,465 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=7, ULTIMATE.start_main_~y~0#1=7, ULTIMATE.start_main_~random~0#1=7} Honda state: {ULTIMATE.start_main_#t~nondet3#1=7, ULTIMATE.start_main_~y~0#1=7, ULTIMATE.start_main_~random~0#1=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 20:44:03,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-06 20:44:03,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:03,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:03,484 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:03,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-06 20:44:03,485 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 20:44:03,485 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:44:03,498 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 20:44:03,498 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=41} Honda state: {ULTIMATE.start_main_#t~nondet2#1=41} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 20:44:03,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-06 20:44:03,516 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:03,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:03,516 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:03,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-06 20:44:03,517 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 20:44:03,517 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:44:03,529 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 20:44:03,529 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: [] [2021-12-06 20:44:03,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-12-06 20:44:03,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:03,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:03,548 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:03,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-06 20:44:03,549 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 20:44:03,549 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:44:03,561 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 20:44:03,561 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_7=0} Honda state: {v_rep~unnamed0~0~false_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 20:44:03,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-06 20:44:03,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:03,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:03,580 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:03,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-06 20:44:03,581 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 20:44:03,581 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:44:03,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-12-06 20:44:03,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:03,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:03,607 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:03,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-06 20:44:03,608 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 20:44:03,608 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:44:03,639 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 20:44:03,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-06 20:44:03,641 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 20:44:03,641 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 20:44:03,642 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 20:44:03,642 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 20:44:03,642 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 20:44:03,642 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:03,642 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 20:44:03,642 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 20:44:03,642 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC9.c_Iteration4_Loop [2021-12-06 20:44:03,642 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 20:44:03,642 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 20:44:03,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:03,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:03,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:03,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:03,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:44:03,673 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 20:44:03,673 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 20:44:03,673 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:03,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:03,674 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:03,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-06 20:44:03,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:44:03,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:44:03,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:44:03,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:44:03,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:44:03,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:44:03,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:44:03,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:44:03,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:44:03,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-12-06 20:44:03,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:03,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:03,703 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:03,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-06 20:44:03,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:44:03,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:44:03,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:44:03,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:44:03,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:44:03,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:44:03,712 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:44:03,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:44:03,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:44:03,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-12-06 20:44:03,732 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:03,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:03,732 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:03,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-06 20:44:03,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:44:03,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:44:03,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:44:03,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:44:03,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:44:03,743 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:44:03,743 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:44:03,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:44:03,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-06 20:44:03,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:03,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:03,765 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:03,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-06 20:44:03,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:44:03,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:44:03,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:44:03,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:44:03,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:44:03,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:44:03,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:44:03,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:44:03,776 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 20:44:03,777 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-12-06 20:44:03,777 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-06 20:44:03,777 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:44:03,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:44:03,778 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:44:03,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-06 20:44:03,779 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 20:44:03,779 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-06 20:44:03,779 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 20:44:03,779 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2021-12-06 20:44:03,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-12-06 20:44:03,798 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-06 20:44:03,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:03,806 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:44:03,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:44:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:44:03,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 20:44:03,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:44:03,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:44:03,818 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 [2021-12-06 20:44:03,818 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:44:03,823 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 18 transitions. Complement of second has 4 states. [2021-12-06 20:44:03,824 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 [2021-12-06 20:44:03,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:44:03,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-12-06 20:44:03,824 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 2 letters. Loop has 2 letters. [2021-12-06 20:44:03,824 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:44:03,825 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-06 20:44:03,825 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:44:03,825 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 2 letters. Loop has 4 letters. [2021-12-06 20:44:03,825 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:44:03,825 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 18 transitions. [2021-12-06 20:44:03,825 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 20:44:03,826 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2021-12-06 20:44:03,826 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 20:44:03,826 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 20:44:03,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 20:44:03,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:44:03,826 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 20:44:03,826 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 20:44:03,826 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 20:44:03,826 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-06 20:44:03,826 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 20:44:03,826 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 20:44:03,826 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 20:44:03,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 08:44:03 BoogieIcfgContainer [2021-12-06 20:44:03,831 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 20:44:03,831 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 20:44:03,831 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 20:44:03,831 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 20:44:03,831 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:44:01" (3/4) ... [2021-12-06 20:44:03,833 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 20:44:03,833 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 20:44:03,834 INFO L158 Benchmark]: Toolchain (without parser) took 2821.89ms. Allocated memory was 88.1MB in the beginning and 121.6MB in the end (delta: 33.6MB). Free memory was 45.4MB in the beginning and 50.1MB in the end (delta: -4.7MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2021-12-06 20:44:03,834 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 88.1MB. Free memory was 61.5MB in the beginning and 61.4MB in the end (delta: 72.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 20:44:03,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 153.52ms. Allocated memory was 88.1MB in the beginning and 121.6MB in the end (delta: 33.6MB). Free memory was 45.2MB in the beginning and 92.9MB in the end (delta: -47.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-06 20:44:03,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.19ms. Allocated memory is still 121.6MB. Free memory was 92.9MB in the beginning and 91.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 20:44:03,835 INFO L158 Benchmark]: Boogie Preprocessor took 12.35ms. Allocated memory is still 121.6MB. Free memory was 91.4MB in the beginning and 90.9MB in the end (delta: 499.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 20:44:03,835 INFO L158 Benchmark]: RCFGBuilder took 164.89ms. Allocated memory is still 121.6MB. Free memory was 90.9MB in the beginning and 82.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 20:44:03,835 INFO L158 Benchmark]: BuchiAutomizer took 2463.42ms. Allocated memory is still 121.6MB. Free memory was 82.0MB in the beginning and 50.1MB in the end (delta: 31.9MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2021-12-06 20:44:03,835 INFO L158 Benchmark]: Witness Printer took 2.33ms. Allocated memory is still 121.6MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 20:44:03,837 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 88.1MB. Free memory was 61.5MB in the beginning and 61.4MB in the end (delta: 72.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 153.52ms. Allocated memory was 88.1MB in the beginning and 121.6MB in the end (delta: 33.6MB). Free memory was 45.2MB in the beginning and 92.9MB in the end (delta: -47.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.19ms. Allocated memory is still 121.6MB. Free memory was 92.9MB in the beginning and 91.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.35ms. Allocated memory is still 121.6MB. Free memory was 91.4MB in the beginning and 90.9MB in the end (delta: 499.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 164.89ms. Allocated memory is still 121.6MB. Free memory was 90.9MB in the beginning and 82.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2463.42ms. Allocated memory is still 121.6MB. Free memory was 82.0MB in the beginning and 50.1MB in the end (delta: 31.9MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. * Witness Printer took 2.33ms. Allocated memory is still 121.6MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (0 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function y and consists of 5 locations. One deterministic module has affine ranking function y and consists of 3 locations. One deterministic module has affine ranking function x and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 33 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax161 hnf100 lsp32 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq163 hnf92 smp100 dnf100 smp100 tf112 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 13 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-06 20:44:03,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-12-06 20:44:04,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-06 20:44:04,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3d3be0f-d3d5-4aab-9e18-5012b1b0c242/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE