./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Pure3Phase-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Pure3Phase-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt --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 0f9d895409a2f54503956d21ebe5c7ca9bb4de08 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:55:14,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:55:14,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:55:14,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:55:14,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:55:14,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:55:14,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:55:14,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:55:14,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:55:14,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:55:14,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:55:14,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:55:14,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:55:14,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:55:14,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:55:14,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:55:14,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:55:14,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:55:14,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:55:14,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:55:14,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:55:14,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:55:14,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:55:14,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:55:14,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:55:14,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:55:14,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:55:14,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:55:14,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:55:14,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:55:14,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:55:14,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:55:14,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:55:14,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:55:14,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:55:14,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:55:14,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:55:14,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:55:14,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:55:14,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:55:14,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:55:14,478 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 00:55:14,533 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:55:14,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:55:14,534 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:55:14,534 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:55:14,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:55:14,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:55:14,536 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:55:14,536 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:55:14,537 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:55:14,537 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:55:14,537 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:55:14,537 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:55:14,538 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:55:14,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:55:14,538 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:55:14,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:55:14,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:55:14,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:55:14,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:55:14,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:55:14,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:55:14,540 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:55:14,541 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:55:14,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:55:14,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:55:14,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:55:14,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:55:14,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:55:14,543 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:55:14,544 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:55:14,544 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_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f9d895409a2f54503956d21ebe5c7ca9bb4de08 [2021-10-13 00:55:14,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:55:14,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:55:14,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:55:14,979 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:55:14,980 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:55:14,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-crafted/Pure3Phase-1.c [2021-10-13 00:55:15,069 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/data/d87cf1bd0/9ed961bfd4cb46e3a8edf46b06409cce/FLAG1a4f4b4bb [2021-10-13 00:55:15,751 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:55:15,752 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/sv-benchmarks/c/termination-crafted/Pure3Phase-1.c [2021-10-13 00:55:15,761 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/data/d87cf1bd0/9ed961bfd4cb46e3a8edf46b06409cce/FLAG1a4f4b4bb [2021-10-13 00:55:16,124 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/data/d87cf1bd0/9ed961bfd4cb46e3a8edf46b06409cce [2021-10-13 00:55:16,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:55:16,130 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:55:16,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:55:16,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:55:16,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:55:16,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:55:16" (1/1) ... [2021-10-13 00:55:16,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4acde789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:55:16, skipping insertion in model container [2021-10-13 00:55:16,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:55:16" (1/1) ... [2021-10-13 00:55:16,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:55:16,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:55:16,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:55:16,430 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:55:16,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:55:16,475 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:55:16,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:55:16 WrapperNode [2021-10-13 00:55:16,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:55:16,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:55:16,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:55:16,478 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:55:16,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:55:16" (1/1) ... [2021-10-13 00:55:16,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:55:16" (1/1) ... [2021-10-13 00:55:16,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:55:16,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:55:16,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:55:16,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:55:16,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:55:16" (1/1) ... [2021-10-13 00:55:16,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:55:16" (1/1) ... [2021-10-13 00:55:16,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:55:16" (1/1) ... [2021-10-13 00:55:16,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:55:16" (1/1) ... [2021-10-13 00:55:16,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:55:16" (1/1) ... [2021-10-13 00:55:16,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:55:16" (1/1) ... [2021-10-13 00:55:16,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:55:16" (1/1) ... [2021-10-13 00:55:16,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:55:16,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:55:16,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:55:16,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:55:16,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:55:16" (1/1) ... [2021-10-13 00:55:16,558 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:16,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:16,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:16,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:55:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:55:16,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:55:16,914 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:55:16,915 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-13 00:55:16,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:55:16 BoogieIcfgContainer [2021-10-13 00:55:16,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:55:16,919 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:55:16,919 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:55:16,936 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:55:16,936 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:55:16,937 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:55:16" (1/3) ... [2021-10-13 00:55:16,945 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f21cf1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:55:16, skipping insertion in model container [2021-10-13 00:55:16,945 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:55:16,945 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:55:16" (2/3) ... [2021-10-13 00:55:16,946 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f21cf1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:55:16, skipping insertion in model container [2021-10-13 00:55:16,946 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:55:16,946 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:55:16" (3/3) ... [2021-10-13 00:55:16,948 INFO L389 chiAutomizerObserver]: Analyzing ICFG Pure3Phase-1.c [2021-10-13 00:55:17,021 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:55:17,022 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:55:17,022 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:55:17,022 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:55:17,022 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:55:17,022 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:55:17,022 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:55:17,023 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:55:17,043 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:55:17,067 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:55:17,068 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:55:17,068 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:55:17,076 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-13 00:55:17,092 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:55:17,092 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:55:17,093 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:55:17,095 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:55:17,095 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:55:17,095 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:55:17,096 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-13 00:55:17,096 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:55:17,104 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 11#L24true assume !!(main_~x~0 <= 65535); 5#L25true assume !!(-65535 <= main_~y~0 && main_~y~0 <= 65535); 8#L26true assume !!(-65535 <= main_~z~0 && main_~z~0 <= 65535); 12#L27-2true [2021-10-13 00:55:17,105 INFO L793 eck$LassoCheckResult]: Loop: 12#L27-2true assume !!(main_~x~0 >= 0); 6#L28true assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~y~0; 9#L28-2true main_~y~0 := main_~y~0 + main_~z~0;main_~z~0 := main_~z~0 - 1; 12#L27-2true [2021-10-13 00:55:17,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:55:17,112 INFO L82 PathProgramCache]: Analyzing trace with hash 959435, now seen corresponding path program 1 times [2021-10-13 00:55:17,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:55:17,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461448251] [2021-10-13 00:55:17,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:55:17,142 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:55:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:55:17,274 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:55:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:55:17,319 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:55:17,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:55:17,326 INFO L82 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 1 times [2021-10-13 00:55:17,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:55:17,327 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646896359] [2021-10-13 00:55:17,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:55:17,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:55:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:55:17,358 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:55:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:55:17,376 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:55:17,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:55:17,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1482218062, now seen corresponding path program 1 times [2021-10-13 00:55:17,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:55:17,379 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239742215] [2021-10-13 00:55:17,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:55:17,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:55:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:55:17,413 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:55:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:55:17,439 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:55:17,595 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:55:17,596 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:55:17,596 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:55:17,597 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:55:17,597 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:55:17,597 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:17,598 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:55:17,598 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:55:17,598 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration1_Loop [2021-10-13 00:55:17,598 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:55:17,599 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:55:17,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:17,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:17,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:17,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:17,824 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:55:17,826 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:55:17,829 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:17,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:17,852 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:17,858 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:55:17,859 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:55:17,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:55:17,891 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:55:17,892 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:55:17,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:17,952 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:17,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:17,955 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:17,963 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:55:17,963 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:55:17,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:55:17,989 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:55:17,989 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:55:18,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:18,033 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:18,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:18,037 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:18,045 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:55:18,045 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:55:18,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:55:18,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:18,112 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:18,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:18,114 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:18,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:55:18,119 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:55:18,120 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:55:18,339 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:55:18,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-10-13 00:55:18,343 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:55:18,343 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:55:18,343 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:55:18,344 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:55:18,344 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:55:18,344 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:18,344 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:55:18,344 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:55:18,345 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration1_Loop [2021-10-13 00:55:18,345 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:55:18,345 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:55:18,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:18,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:18,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:18,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:18,481 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:55:18,487 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:55:18,489 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:18,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:18,493 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:18,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:55:18,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:18,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:18,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:18,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:18,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:55:18,537 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:55:18,537 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:55:18,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:18,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:18,667 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:18,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:18,668 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:18,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:18,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:18,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:18,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:18,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:55:18,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:55:18,718 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:55:18,718 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:55:18,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:18,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:18,769 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:18,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:18,772 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:18,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:55:18,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:18,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:18,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:55:18,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:18,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:18,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:55:18,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:55:18,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:55:18,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:18,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:18,828 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:18,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:18,829 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:18,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:55:18,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:18,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:18,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:55:18,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:18,844 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:55:18,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:55:18,849 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:55:18,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:55:18,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:18,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:18,906 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-13 00:55:18,906 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:18,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:18,908 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:18,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 00:55:18,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:18,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:18,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:18,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:18,941 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-13 00:55:18,953 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-13 00:55:18,954 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-13 00:55:18,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:19,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:19,002 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:19,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:19,003 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:19,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 00:55:19,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:19,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:19,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:19,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:19,029 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-13 00:55:19,064 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-13 00:55:19,064 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-13 00:55:19,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:19,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:19,137 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:19,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:19,139 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:19,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 00:55:19,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:19,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:19,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:55:19,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:19,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:19,163 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-13 00:55:19,170 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-13 00:55:19,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:55:19,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:19,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:19,209 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:19,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:19,211 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:19,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 00:55:19,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:19,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:19,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:55:19,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:19,223 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:55:19,223 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-13 00:55:19,225 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:55:19,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:55:19,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:19,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:19,272 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-13 00:55:19,272 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:19,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:19,273 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:19,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 00:55:19,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:19,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:19,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:19,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:19,293 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:55:19,299 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-10-13 00:55:19,300 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-13 00:55:19,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:19,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:19,340 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:19,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:19,341 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:19,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 00:55:19,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:19,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:19,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:19,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:19,355 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:55:19,362 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-10-13 00:55:19,362 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-13 00:55:19,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:19,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:19,434 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:19,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:19,435 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:19,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:19,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:19,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:55:19,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:19,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:19,457 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:55:19,465 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:55:19,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:55:19,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 00:55:19,484 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:55:19,496 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-13 00:55:19,496 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 00:55:19,498 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:19,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:19,509 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:19,534 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:55:19,534 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:55:19,534 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:55:19,535 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0 + 1 f1 = 2*ULTIMATE.start_main_~y~0 + 1 f2 = 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [] [2021-10-13 00:55:19,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 00:55:19,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:19,589 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:55:19,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:55:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:55:19,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:55:19,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:55:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:55:19,719 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 00:55:19,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:55:20,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:20,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:55:20,531 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-13 00:55:20,533 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:55:20,665 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 43 transitions. Complement of second has 10 states. [2021-10-13 00:55:20,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-13 00:55:20,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:55:20,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2021-10-13 00:55:20,671 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 4 letters. Loop has 3 letters. [2021-10-13 00:55:20,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:55:20,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 7 letters. Loop has 3 letters. [2021-10-13 00:55:20,674 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:55:20,674 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 4 letters. Loop has 6 letters. [2021-10-13 00:55:20,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:55:20,676 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 43 transitions. [2021-10-13 00:55:20,685 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:55:20,691 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 13 states and 16 transitions. [2021-10-13 00:55:20,692 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-10-13 00:55:20,693 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-13 00:55:20,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2021-10-13 00:55:20,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:55:20,694 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-10-13 00:55:20,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2021-10-13 00:55:20,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2021-10-13 00:55:20,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:55:20,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2021-10-13 00:55:20,727 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-10-13 00:55:20,727 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-10-13 00:55:20,728 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:55:20,728 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2021-10-13 00:55:20,730 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:55:20,730 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:55:20,731 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:55:20,731 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 00:55:20,731 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:55:20,732 INFO L791 eck$LassoCheckResult]: Stem: 101#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 102#L24 assume !!(main_~x~0 <= 65535); 107#L25 assume !!(-65535 <= main_~y~0 && main_~y~0 <= 65535); 108#L26 assume !!(-65535 <= main_~z~0 && main_~z~0 <= 65535); 111#L27-2 assume !!(main_~x~0 >= 0); 103#L28 assume !(0 != main_#t~nondet3);havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~z~0; 104#L28-2 [2021-10-13 00:55:20,732 INFO L793 eck$LassoCheckResult]: Loop: 104#L28-2 main_~y~0 := main_~y~0 + main_~z~0;main_~z~0 := main_~z~0 - 1; 109#L27-2 assume !!(main_~x~0 >= 0); 112#L28 assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~x~0 := main_~x~0 + main_~y~0; 104#L28-2 [2021-10-13 00:55:20,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:55:20,734 INFO L82 PathProgramCache]: Analyzing trace with hash 922017840, now seen corresponding path program 1 times [2021-10-13 00:55:20,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:55:20,735 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671305544] [2021-10-13 00:55:20,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:55:20,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:55:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:55:20,765 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:55:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:55:20,780 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:55:20,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:55:20,783 INFO L82 PathProgramCache]: Analyzing trace with hash 61346, now seen corresponding path program 2 times [2021-10-13 00:55:20,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:55:20,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308650671] [2021-10-13 00:55:20,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:55:20,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:55:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:55:20,795 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:55:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:55:20,806 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:55:20,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:55:20,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1517645075, now seen corresponding path program 1 times [2021-10-13 00:55:20,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:55:20,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409380424] [2021-10-13 00:55:20,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:55:20,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:55:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:55:20,840 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:55:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:55:20,854 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:55:20,893 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:55:20,893 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:55:20,893 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:55:20,893 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:55:20,894 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:55:20,894 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:20,895 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:55:20,896 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:55:20,896 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration2_Loop [2021-10-13 00:55:20,896 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:55:20,896 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:55:20,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:20,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:20,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:20,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:21,002 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:55:21,002 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:55:21,003 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:21,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:21,004 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:21,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 00:55:21,009 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:55:21,009 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:55:21,037 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:55:21,037 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:55:21,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:21,082 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:21,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:21,085 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:21,093 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:55:21,094 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:55:21,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 00:55:21,117 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:55:21,117 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=-1} Honda state: {ULTIMATE.start_main_#t~nondet3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:55:21,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:21,158 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:21,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:21,159 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:21,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 00:55:21,178 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:55:21,178 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:55:21,200 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:55:21,200 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: [] [2021-10-13 00:55:21,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:21,244 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:21,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:21,246 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:21,257 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:55:21,257 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:55:21,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 00:55:21,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:21,357 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:21,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:21,359 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:21,361 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:55:21,362 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:55:21,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-13 00:55:21,675 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:55:21,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-10-13 00:55:21,679 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:55:21,679 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:55:21,679 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:55:21,679 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:55:21,679 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:55:21,679 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:21,679 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:55:21,679 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:55:21,679 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure3Phase-1.c_Iteration2_Loop [2021-10-13 00:55:21,679 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:55:21,680 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:55:21,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:21,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:21,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:21,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:55:21,778 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:55:21,778 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:55:21,778 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:21,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:21,781 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:21,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:21,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:21,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:21,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:21,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:55:21,797 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:55:21,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:55:21,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-13 00:55:21,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:21,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:21,861 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:21,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:21,863 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:21,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:21,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:21,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:55:21,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:21,877 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:55:21,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:55:21,878 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:55:21,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:55:21,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-13 00:55:21,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:21,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:21,942 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:21,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:21,943 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:21,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:21,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:21,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:55:21,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:21,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:21,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:55:21,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:55:21,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:55:21,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-13 00:55:21,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:22,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-10-13 00:55:22,017 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:22,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:22,018 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:22,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-13 00:55:22,020 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:22,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:22,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:22,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:22,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:55:22,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:55:22,035 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:55:22,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:22,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:22,094 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-13 00:55:22,094 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:22,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:22,097 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:22,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:22,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:22,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:22,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:22,116 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-13 00:55:22,120 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-13 00:55:22,120 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-13 00:55:22,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-13 00:55:22,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:22,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:22,191 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:22,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:22,193 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:22,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:22,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:22,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:55:22,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:22,214 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:55:22,214 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-13 00:55:22,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:55:22,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:55:22,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-13 00:55:22,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:22,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-10-13 00:55:22,258 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:22,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:22,259 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:22,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-13 00:55:22,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:22,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:22,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:55:22,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:22,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:22,274 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-13 00:55:22,279 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-13 00:55:22,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:55:22,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:22,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:22,333 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:22,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:22,337 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:22,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:22,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:22,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:22,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:22,351 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-13 00:55:22,355 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-13 00:55:22,356 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-13 00:55:22,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-13 00:55:22,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:22,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:22,423 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-13 00:55:22,423 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:22,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:22,429 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:22,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:22,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:22,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:22,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:22,446 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:55:22,461 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-10-13 00:55:22,462 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-13 00:55:22,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-13 00:55:22,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:22,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:22,525 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:22,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:22,526 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:22,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:22,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:22,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:55:22,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:22,544 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:55:22,544 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:55:22,546 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-13 00:55:22,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:55:22,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-13 00:55:22,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:55:22,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:22,598 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:22,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:22,599 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:22,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:55:22,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:55:22,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:55:22,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:55:22,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:55:22,616 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:55:22,619 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:55:22,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:55:22,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-13 00:55:22,642 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:55:22,653 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-13 00:55:22,653 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-13 00:55:22,653 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:55:22,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:55:22,655 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:55:22,661 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:55:22,661 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:55:22,661 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:55:22,661 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0 f1 = 2*ULTIMATE.start_main_~y~0 + 2*ULTIMATE.start_main_~z~0 + 1 f2 = 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [] [2021-10-13 00:55:22,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-13 00:55:22,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-10-13 00:55:22,697 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:55:22,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:55:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:55:22,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:55:22,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:55:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:55:22,764 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 00:55:22,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:55:22,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-13 00:55:23,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:55:23,476 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-13 00:55:23,476 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:55:23,513 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 19 transitions. Complement of second has 6 states. [2021-10-13 00:55:23,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 00:55:23,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:55:23,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-10-13 00:55:23,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 3 letters. [2021-10-13 00:55:23,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:55:23,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 3 letters. [2021-10-13 00:55:23,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:55:23,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 6 letters. [2021-10-13 00:55:23,517 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:55:23,517 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2021-10-13 00:55:23,520 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:55:23,520 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2021-10-13 00:55:23,520 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:55:23,520 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:55:23,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:55:23,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:55:23,520 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:55:23,521 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:55:23,521 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:55:23,521 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 00:55:23,521 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:55:23,521 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:55:23,521 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:55:23,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:55:23 BoogieIcfgContainer [2021-10-13 00:55:23,528 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:55:23,529 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:55:23,529 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:55:23,529 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:55:23,530 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:55:16" (3/4) ... [2021-10-13 00:55:23,533 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:55:23,533 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:55:23,536 INFO L168 Benchmark]: Toolchain (without parser) took 7404.08 ms. Allocated memory was 119.5 MB in the beginning and 151.0 MB in the end (delta: 31.5 MB). Free memory was 79.7 MB in the beginning and 80.3 MB in the end (delta: -518.8 kB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:55:23,536 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 119.5 MB. Free memory is still 96.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:55:23,537 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.81 ms. Allocated memory is still 119.5 MB. Free memory was 79.5 MB in the beginning and 94.6 MB in the end (delta: -15.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:55:23,538 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.67 ms. Allocated memory is still 119.5 MB. Free memory was 94.6 MB in the beginning and 93.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:55:23,548 INFO L168 Benchmark]: Boogie Preprocessor took 24.67 ms. Allocated memory is still 119.5 MB. Free memory was 93.4 MB in the beginning and 92.5 MB in the end (delta: 954.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:55:23,548 INFO L168 Benchmark]: RCFGBuilder took 371.50 ms. Allocated memory is still 119.5 MB. Free memory was 92.5 MB in the beginning and 84.1 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:55:23,549 INFO L168 Benchmark]: BuchiAutomizer took 6609.82 ms. Allocated memory was 119.5 MB in the beginning and 151.0 MB in the end (delta: 31.5 MB). Free memory was 84.1 MB in the beginning and 80.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:55:23,549 INFO L168 Benchmark]: Witness Printer took 4.47 ms. Allocated memory is still 151.0 MB. Free memory is still 80.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:55:23,555 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 119.5 MB. Free memory is still 96.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 343.81 ms. Allocated memory is still 119.5 MB. Free memory was 79.5 MB in the beginning and 94.6 MB in the end (delta: -15.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.67 ms. Allocated memory is still 119.5 MB. Free memory was 94.6 MB in the beginning and 93.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.67 ms. Allocated memory is still 119.5 MB. Free memory was 93.4 MB in the beginning and 92.5 MB in the end (delta: 954.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 371.50 ms. Allocated memory is still 119.5 MB. Free memory was 92.5 MB in the beginning and 84.1 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 6609.82 ms. Allocated memory was 119.5 MB in the beginning and 151.0 MB in the end (delta: 31.5 MB). Free memory was 84.1 MB in the beginning and 80.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.47 ms. Allocated memory is still 151.0 MB. Free memory is still 80.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has 3-nested ranking function (if 1 + 2 * z > 0 then 2 else (if 2 * y + 1 > 0 then 1 else 0)), (if 1 + 2 * z > 0 then 1 + 2 * z else (if 2 * y + 1 > 0 then 2 * y + 1 else 2 * x + 1)) and consists of 6 locations. One deterministic module has 3-nested ranking function (if 2 * z > 0 then 2 else (if 2 * y + 1 + 2 * z > 0 then 1 else 0)), (if 2 * z > 0 then 2 * z else (if 2 * y + 1 + 2 * z > 0 then 2 * y + 1 + 2 * z else 2 * x + 1)) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.4s. Construction of modules took 0.0s. Büchi inclusion checks took 1.8s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 15.0ms AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 20 SDtfs, 20 SDslu, 9 SDs, 0 SdLazy, 26 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 60.5ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax150 hnf100 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf92 smp100 dnf100 smp100 tf105 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 4 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 00:55:23,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4981666f-b8d9-4975-a4ec-913b297a0d76/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...