./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/LogAG.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/LogAG.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be --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 68bdf78f6f996480ccfcf11b22cc3b7892db15596cae3edf06123d71c4506b1f .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:56:40,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:56:40,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:56:40,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:56:40,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:56:40,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:56:40,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:56:40,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:56:40,484 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:56:40,486 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:56:40,487 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:56:40,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:56:40,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:56:40,492 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:56:40,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:56:40,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:56:40,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:56:40,500 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:56:40,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:56:40,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:56:40,512 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:56:40,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:56:40,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:56:40,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:56:40,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:56:40,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:56:40,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:56:40,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:56:40,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:56:40,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:56:40,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:56:40,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:56:40,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:56:40,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:56:40,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:56:40,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:56:40,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:56:40,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:56:40,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:56:40,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:56:40,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:56:40,556 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-21 19:56:40,629 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:56:40,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:56:40,633 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:56:40,634 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:56:40,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:56:40,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:56:40,637 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:56:40,637 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:56:40,638 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:56:40,638 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:56:40,639 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:56:40,640 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:56:40,640 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:56:40,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:56:40,641 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:56:40,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:56:40,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:56:40,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:56:40,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:56:40,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:56:40,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:56:40,643 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:56:40,643 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:56:40,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:56:40,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:56:40,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:56:40,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:56:40,648 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:56:40,648 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:56:40,649 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:56:40,650 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_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68bdf78f6f996480ccfcf11b22cc3b7892db15596cae3edf06123d71c4506b1f [2021-10-21 19:56:41,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:56:41,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:56:41,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:56:41,057 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:56:41,058 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:56:41,060 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/termination-restricted-15/LogAG.c [2021-10-21 19:56:41,162 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/data/c4574ff05/d0cf4dd4f54443ffa2f80f7e86ce9f90/FLAG1e27f1a28 [2021-10-21 19:56:41,743 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:56:41,744 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/sv-benchmarks/c/termination-restricted-15/LogAG.c [2021-10-21 19:56:41,759 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/data/c4574ff05/d0cf4dd4f54443ffa2f80f7e86ce9f90/FLAG1e27f1a28 [2021-10-21 19:56:42,105 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/data/c4574ff05/d0cf4dd4f54443ffa2f80f7e86ce9f90 [2021-10-21 19:56:42,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:56:42,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:56:42,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:56:42,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:56:42,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:56:42,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:56:42" (1/1) ... [2021-10-21 19:56:42,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3d3520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:56:42, skipping insertion in model container [2021-10-21 19:56:42,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:56:42" (1/1) ... [2021-10-21 19:56:42,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:56:42,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:56:42,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:56:42,448 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:56:42,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:56:42,490 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:56:42,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:56:42 WrapperNode [2021-10-21 19:56:42,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:56:42,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:56:42,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:56:42,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:56:42,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:56:42" (1/1) ... [2021-10-21 19:56:42,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:56:42" (1/1) ... [2021-10-21 19:56:42,532 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:56:42,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:56:42,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:56:42,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:56:42,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:56:42" (1/1) ... [2021-10-21 19:56:42,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:56:42" (1/1) ... [2021-10-21 19:56:42,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:56:42" (1/1) ... [2021-10-21 19:56:42,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:56:42" (1/1) ... [2021-10-21 19:56:42,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:56:42" (1/1) ... [2021-10-21 19:56:42,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:56:42" (1/1) ... [2021-10-21 19:56:42,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:56:42" (1/1) ... [2021-10-21 19:56:42,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:56:42,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:56:42,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:56:42,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:56:42,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:56:42" (1/1) ... [2021-10-21 19:56:42,568 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:42,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:42,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:42,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:56:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:56:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:56:42,887 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:56:42,887 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-21 19:56:42,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:56:42 BoogieIcfgContainer [2021-10-21 19:56:42,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:56:42,896 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:56:42,896 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:56:42,901 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:56:42,902 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:56:42,902 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:56:42" (1/3) ... [2021-10-21 19:56:42,904 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ffdab33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:56:42, skipping insertion in model container [2021-10-21 19:56:42,905 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:56:42,905 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:56:42" (2/3) ... [2021-10-21 19:56:42,906 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ffdab33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:56:42, skipping insertion in model container [2021-10-21 19:56:42,906 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:56:42,906 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:56:42" (3/3) ... [2021-10-21 19:56:42,908 INFO L389 chiAutomizerObserver]: Analyzing ICFG LogAG.c [2021-10-21 19:56:42,987 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:56:42,987 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:56:42,987 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:56:42,988 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:56:42,988 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:56:42,988 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:56:42,988 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:56:42,989 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:56:43,010 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:56:43,041 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:56:43,042 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:56:43,042 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:56:43,049 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-21 19:56:43,050 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:56:43,050 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:56:43,050 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:56:43,053 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:56:43,053 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:56:43,053 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:56:43,054 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-21 19:56:43,054 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:56:43,062 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~xtmp~0, main_~res~0, main_~restmp~0;havoc main_~x~0;havoc main_~xtmp~0;havoc main_~res~0;havoc main_~restmp~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~res~0 := 0; 7#L13-2true [2021-10-21 19:56:43,063 INFO L793 eck$LassoCheckResult]: Loop: 7#L13-2true assume !!(main_~x~0 > 1);main_~xtmp~0 := main_~x~0 - 2;main_~restmp~0 := 0; 4#L17-2true assume !(main_~xtmp~0 > 1); 9#L17-3true main_~x~0 := 1 + main_~xtmp~0;main_~res~0 := 1 + main_~res~0; 7#L13-2true [2021-10-21 19:56:43,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:56:43,073 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-21 19:56:43,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:56:43,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518005961] [2021-10-21 19:56:43,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:56:43,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:56:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:56:43,206 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:56:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:56:43,243 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:56:43,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:56:43,250 INFO L82 PathProgramCache]: Analyzing trace with hash 39951, now seen corresponding path program 1 times [2021-10-21 19:56:43,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:56:43,251 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582239635] [2021-10-21 19:56:43,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:56:43,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:56:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:56:43,273 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:56:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:56:43,282 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:56:43,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:56:43,285 INFO L82 PathProgramCache]: Analyzing trace with hash 963472, now seen corresponding path program 1 times [2021-10-21 19:56:43,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:56:43,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209617577] [2021-10-21 19:56:43,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:56:43,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:56:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:56:43,297 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:56:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:56:43,309 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:56:43,516 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:56:43,529 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:56:43,529 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:56:43,530 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:56:43,530 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 19:56:43,530 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:43,530 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:56:43,531 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:56:43,531 INFO L133 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration1_Loop [2021-10-21 19:56:43,531 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:56:43,532 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:56:43,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:56:43,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:56:43,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:56:43,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:56:43,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:56:43,837 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:56:43,838 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 19:56:43,845 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:43,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:43,857 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:43,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:56:43,859 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:56:43,860 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:56:43,887 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:56:43,888 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: [] [2021-10-21 19:56:43,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:43,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:43,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:43,941 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:43,957 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:56:43,958 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:56:43,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:56:43,980 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:56:43,980 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: [] [2021-10-21 19:56:44,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:44,010 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:44,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:44,012 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:44,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:56:44,021 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:56:44,027 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:56:44,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:44,072 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:44,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:44,074 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:44,098 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 19:56:44,098 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:56:44,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:56:44,601 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 19:56:44,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:44,605 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:56:44,605 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:56:44,605 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:56:44,605 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:56:44,605 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:56:44,605 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:44,605 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:56:44,606 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:56:44,606 INFO L133 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration1_Loop [2021-10-21 19:56:44,606 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:56:44,606 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:56:44,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:56:44,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:56:44,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:56:44,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:56:44,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:56:44,790 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:56:44,801 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:56:44,803 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:44,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:44,817 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:44,830 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:56:44,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:56:44,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:56:44,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:56:44,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:56:44,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:56:44,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:56:44,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:56:44,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:56:44,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:44,908 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:44,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:44,910 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:44,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:56:44,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:56:44,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:56:44,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:56:44,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:56:44,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:56:44,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:56:44,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:56:44,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:56:44,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:56:45,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:45,005 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:45,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:45,009 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:45,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:56:45,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:56:45,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:56:45,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:56:45,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:56:45,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:56:45,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:56:45,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 19:56:45,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:56:45,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:45,118 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:45,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:45,120 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:45,127 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:56:45,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:56:45,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:56:45,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:56:45,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:56:45,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:56:45,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:56:45,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:56:45,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 19:56:45,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:56:45,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:45,201 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:45,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:45,203 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:45,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 19:56:45,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:56:45,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:56:45,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:56:45,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:56:45,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:56:45,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:56:45,218 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:56:45,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:56:45,235 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:56:45,243 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 19:56:45,243 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-21 19:56:45,244 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:45,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:45,246 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:45,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 19:56:45,248 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:56:45,248 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 19:56:45,249 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:56:45,249 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2021-10-21 19:56:45,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:45,277 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 19:56:45,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:56:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:56:45,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:56:45,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:56:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:56:45,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:56:45,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:56:45,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:56:45,474 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 19:56:45,475 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:56:45,543 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 23 states and 35 transitions. Complement of second has 7 states. [2021-10-21 19:56:45,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 19:56:45,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:56:45,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2021-10-21 19:56:45,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 1 letters. Loop has 3 letters. [2021-10-21 19:56:45,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:56:45,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 4 letters. Loop has 3 letters. [2021-10-21 19:56:45,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:56:45,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 1 letters. Loop has 6 letters. [2021-10-21 19:56:45,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:56:45,551 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 35 transitions. [2021-10-21 19:56:45,554 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-21 19:56:45,558 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2021-10-21 19:56:45,560 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2021-10-21 19:56:45,560 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2021-10-21 19:56:45,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2021-10-21 19:56:45,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:56:45,561 INFO L681 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-10-21 19:56:45,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2021-10-21 19:56:45,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. [2021-10-21 19:56:45,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 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) [2021-10-21 19:56:45,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. [2021-10-21 19:56:45,588 INFO L704 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2021-10-21 19:56:45,588 INFO L587 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2021-10-21 19:56:45,588 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:56:45,588 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 9 transitions. [2021-10-21 19:56:45,589 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-21 19:56:45,589 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:56:45,589 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:56:45,589 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-21 19:56:45,589 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-21 19:56:45,590 INFO L791 eck$LassoCheckResult]: Stem: 74#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~xtmp~0, main_~res~0, main_~restmp~0;havoc main_~x~0;havoc main_~xtmp~0;havoc main_~res~0;havoc main_~restmp~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~res~0 := 0; 75#L13-2 assume !!(main_~x~0 > 1);main_~xtmp~0 := main_~x~0 - 2;main_~restmp~0 := 0; 71#L17-2 [2021-10-21 19:56:45,590 INFO L793 eck$LassoCheckResult]: Loop: 71#L17-2 assume !!(main_~xtmp~0 > 1);main_~xtmp~0 := main_~xtmp~0 - 2;main_~restmp~0 := 1 + main_~restmp~0; 71#L17-2 [2021-10-21 19:56:45,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:56:45,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-10-21 19:56:45,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:56:45,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13041813] [2021-10-21 19:56:45,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:56:45,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:56:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:56:45,598 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:56:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:56:45,603 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:56:45,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:56:45,604 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2021-10-21 19:56:45,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:56:45,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641285955] [2021-10-21 19:56:45,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:56:45,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:56:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:56:45,611 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:56:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:56:45,615 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:56:45,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:56:45,616 INFO L82 PathProgramCache]: Analyzing trace with hash 31081, now seen corresponding path program 1 times [2021-10-21 19:56:45,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:56:45,617 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747156203] [2021-10-21 19:56:45,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:56:45,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:56:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:56:45,624 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:56:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:56:45,632 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:56:45,657 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:56:45,657 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:56:45,658 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:56:45,658 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:56:45,658 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 19:56:45,658 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:45,658 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:56:45,658 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:56:45,658 INFO L133 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration2_Loop [2021-10-21 19:56:45,658 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:56:45,659 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:56:45,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:56:45,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:56:45,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:56:45,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:56:45,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:45,789 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:56:45,789 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 19:56:45,789 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:45,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:45,792 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:45,806 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:56:45,806 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:56:45,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 19:56:45,828 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:56:45,828 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: [] [2021-10-21 19:56:45,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:45,877 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:45,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:45,879 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:45,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 19:56:45,883 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:56:45,884 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:56:45,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:45,933 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:45,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:45,934 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:45,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 19:56:45,937 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 19:56:45,937 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:56:45,973 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:56:45,973 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~restmp~0=0} Honda state: {ULTIMATE.start_main_~restmp~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~restmp~0=1}, {ULTIMATE.start_main_~restmp~0=-7}, {ULTIMATE.start_main_~restmp~0=7}] Lambdas: [8, 2, 1] Nus: [1, 1] [2021-10-21 19:56:46,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:46,008 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:46,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:46,009 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:46,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 19:56:46,015 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:56:46,015 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:56:46,031 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:56:46,031 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: [] [2021-10-21 19:56:46,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:46,057 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:46,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:46,058 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:46,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 19:56:46,061 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:56:46,061 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:56:46,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:46,100 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:46,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:46,101 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:46,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 19:56:46,103 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 19:56:46,104 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:56:46,180 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 19:56:46,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:46,190 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:56:46,190 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:56:46,190 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:56:46,190 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:56:46,191 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:56:46,191 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:46,191 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:56:46,191 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:56:46,191 INFO L133 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration2_Loop [2021-10-21 19:56:46,191 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:56:46,191 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:56:46,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:56:46,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:56:46,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:56:46,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:56:46,266 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:56:46,266 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:56:46,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:46,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:46,268 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:46,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:56:46,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:56:46,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:56:46,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:56:46,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:56:46,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:56:46,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:56:46,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 19:56:46,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:56:46,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:46,381 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:46,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:46,384 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:46,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:56:46,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 19:56:46,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:56:46,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:56:46,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:56:46,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:56:46,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:56:46,403 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:56:46,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:56:46,417 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:56:46,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:46,442 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:46,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:46,444 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:46,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-21 19:56:46,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:56:46,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:56:46,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:56:46,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:56:46,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:56:46,464 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:56:46,467 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:56:46,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:56:46,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:46,541 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:46,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:46,543 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:46,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:56:46,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:56:46,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:56:46,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:56:46,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:56:46,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:56:46,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:56:46,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:56:46,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-21 19:56:46,579 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:56:46,583 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 19:56:46,584 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-21 19:56:46,584 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:46,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:46,586 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:46,621 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:56:46,621 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 19:56:46,621 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:56:46,621 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~xtmp~0) = 1*ULTIMATE.start_main_~xtmp~0 Supporting invariants [] [2021-10-21 19:56:46,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-21 19:56:46,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:46,670 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 19:56:46,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:56:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:56:46,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:56:46,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:56:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:56:46,722 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:56:46,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:56:46,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:56:46,723 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-10-21 19:56:46,724 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 9 transitions. cyclomatic complexity: 5 Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:56:46,743 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 9 transitions. cyclomatic complexity: 5. Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 18 transitions. Complement of second has 5 states. [2021-10-21 19:56:46,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:56:46,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:56:46,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2021-10-21 19:56:46,745 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 2 letters. Loop has 1 letters. [2021-10-21 19:56:46,745 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:56:46,745 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 3 letters. Loop has 1 letters. [2021-10-21 19:56:46,745 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:56:46,745 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 2 letters. Loop has 2 letters. [2021-10-21 19:56:46,745 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:56:46,746 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2021-10-21 19:56:46,747 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-21 19:56:46,747 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 13 transitions. [2021-10-21 19:56:46,748 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2021-10-21 19:56:46,748 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2021-10-21 19:56:46,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 13 transitions. [2021-10-21 19:56:46,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:56:46,748 INFO L681 BuchiCegarLoop]: Abstraction has 9 states and 13 transitions. [2021-10-21 19:56:46,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 13 transitions. [2021-10-21 19:56:46,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 6. [2021-10-21 19:56:46,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:56:46,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2021-10-21 19:56:46,750 INFO L704 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2021-10-21 19:56:46,750 INFO L587 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2021-10-21 19:56:46,750 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 19:56:46,750 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. [2021-10-21 19:56:46,751 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-21 19:56:46,751 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:56:46,751 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:56:46,752 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1] [2021-10-21 19:56:46,752 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-21 19:56:46,752 INFO L791 eck$LassoCheckResult]: Stem: 122#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~xtmp~0, main_~res~0, main_~restmp~0;havoc main_~x~0;havoc main_~xtmp~0;havoc main_~res~0;havoc main_~restmp~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~res~0 := 0; 123#L13-2 assume !!(main_~x~0 > 1);main_~xtmp~0 := main_~x~0 - 2;main_~restmp~0 := 0; 120#L17-2 assume !(main_~xtmp~0 > 1); 121#L17-3 main_~x~0 := 1 + main_~xtmp~0;main_~res~0 := 1 + main_~res~0; 124#L13-2 assume !!(main_~x~0 > 1);main_~xtmp~0 := main_~x~0 - 2;main_~restmp~0 := 0; 119#L17-2 [2021-10-21 19:56:46,752 INFO L793 eck$LassoCheckResult]: Loop: 119#L17-2 assume !!(main_~xtmp~0 > 1);main_~xtmp~0 := main_~xtmp~0 - 2;main_~restmp~0 := 1 + main_~restmp~0; 119#L17-2 [2021-10-21 19:56:46,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:56:46,753 INFO L82 PathProgramCache]: Analyzing trace with hash 29867642, now seen corresponding path program 2 times [2021-10-21 19:56:46,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:56:46,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515749743] [2021-10-21 19:56:46,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:56:46,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:56:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:56:46,764 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:56:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:56:46,774 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:56:46,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:56:46,775 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 2 times [2021-10-21 19:56:46,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:56:46,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641448348] [2021-10-21 19:56:46,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:56:46,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:56:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:56:46,781 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:56:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:56:46,786 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:56:46,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:56:46,787 INFO L82 PathProgramCache]: Analyzing trace with hash 925896921, now seen corresponding path program 1 times [2021-10-21 19:56:46,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:56:46,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103476848] [2021-10-21 19:56:46,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:56:46,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:56:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:56:46,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:56:46,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:56:46,855 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103476848] [2021-10-21 19:56:46,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103476848] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:56:46,856 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:56:46,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:56:46,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109554670] [2021-10-21 19:56:46,891 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:56:46,891 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:56:46,891 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:56:46,891 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:56:46,891 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 19:56:46,892 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:46,892 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:56:46,892 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:56:46,892 INFO L133 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration3_Loop [2021-10-21 19:56:46,892 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:56:46,892 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:56:46,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:56:46,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:56:46,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:56:46,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:56:46,956 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:56:46,956 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 19:56:46,956 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:46,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:46,964 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:46,967 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:56:46,967 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:56:46,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-21 19:56:46,987 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:56:46,987 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 19:56:47,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:47,011 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:47,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:47,012 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:47,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-21 19:56:47,014 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:56:47,014 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:56:47,031 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:56:47,031 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_5=0} Honda state: {v_rep~unnamed0~0~false_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 19:56:47,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:47,057 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:47,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:47,058 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:47,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-21 19:56:47,062 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:56:47,062 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:56:47,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-10-21 19:56:47,112 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:47,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:47,113 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:47,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-21 19:56:47,116 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 19:56:47,116 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:56:47,157 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 19:56:47,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:47,160 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:56:47,160 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:56:47,160 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:56:47,160 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:56:47,161 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:56:47,161 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:47,161 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:56:47,161 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:56:47,161 INFO L133 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration3_Loop [2021-10-21 19:56:47,161 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:56:47,161 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:56:47,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:56:47,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:56:47,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:56:47,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:56:47,247 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:56:47,248 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:56:47,248 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:47,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:47,250 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:47,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:56:47,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:56:47,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:56:47,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:56:47,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:56:47,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:56:47,273 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:56:47,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-21 19:56:47,312 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:56:47,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:47,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-21 19:56:47,347 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:47,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:47,348 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:47,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-21 19:56:47,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:56:47,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:56:47,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:56:47,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:56:47,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:56:47,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:56:47,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:56:47,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:56:47,388 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:56:47,402 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 19:56:47,402 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-21 19:56:47,403 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:56:47,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:56:47,409 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:56:47,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-21 19:56:47,412 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:56:47,412 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 19:56:47,412 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:56:47,412 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~xtmp~0) = 1*ULTIMATE.start_main_~xtmp~0 Supporting invariants [] [2021-10-21 19:56:47,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-10-21 19:56:47,438 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 19:56:47,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:56:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:56:47,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:56:47,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:56:47,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:56:47,503 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:56:47,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:56:47,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:56:47,505 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-10-21 19:56:47,505 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 4 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:56:47,518 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 4. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 11 states and 15 transitions. Complement of second has 5 states. [2021-10-21 19:56:47,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:56:47,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:56:47,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2021-10-21 19:56:47,520 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 5 letters. Loop has 1 letters. [2021-10-21 19:56:47,520 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:56:47,520 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 19:56:47,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:56:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:56:47,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:56:47,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:56:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:56:47,578 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:56:47,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:56:47,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:56:47,580 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2021-10-21 19:56:47,580 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 4 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:56:47,591 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 4. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 11 states and 15 transitions. Complement of second has 5 states. [2021-10-21 19:56:47,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:56:47,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:56:47,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2021-10-21 19:56:47,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 5 letters. Loop has 1 letters. [2021-10-21 19:56:47,593 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:56:47,593 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 19:56:47,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:56:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:56:47,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:56:47,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:56:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:56:47,641 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:56:47,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:56:47,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:56:47,644 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-10-21 19:56:47,644 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 4 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:56:47,660 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 4. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9 states and 11 transitions. Complement of second has 4 states. [2021-10-21 19:56:47,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:56:47,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:56:47,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2021-10-21 19:56:47,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 1 letters. [2021-10-21 19:56:47,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:56:47,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 6 letters. Loop has 1 letters. [2021-10-21 19:56:47,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:56:47,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-21 19:56:47,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:56:47,663 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 11 transitions. [2021-10-21 19:56:47,664 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:56:47,664 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2021-10-21 19:56:47,664 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:56:47,664 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:56:47,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:56:47,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:56:47,664 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:56:47,664 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:56:47,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:56:47,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:56:47,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:56:47,670 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:56:47,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:56:47,673 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-21 19:56:47,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:56:47,673 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-21 19:56:47,673 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:56:47,674 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:56:47,674 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:56:47,674 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:56:47,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:56:47,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:56:47,674 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:56:47,674 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:56:47,674 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:56:47,674 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-21 19:56:47,675 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:56:47,675 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:56:47,675 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 19:56:47,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:56:47 BoogieIcfgContainer [2021-10-21 19:56:47,682 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:56:47,683 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:56:47,683 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:56:47,683 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:56:47,684 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:56:42" (3/4) ... [2021-10-21 19:56:47,688 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:56:47,688 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:56:47,690 INFO L168 Benchmark]: Toolchain (without parser) took 5571.68 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 53.1 MB in the beginning and 75.7 MB in the end (delta: -22.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:56:47,690 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 90.2 MB. Free memory is still 69.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:56:47,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.16 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 52.9 MB in the beginning and 91.8 MB in the end (delta: -38.9 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:56:47,692 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.58 ms. Allocated memory is still 115.3 MB. Free memory was 91.8 MB in the beginning and 90.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:56:47,692 INFO L168 Benchmark]: Boogie Preprocessor took 22.40 ms. Allocated memory is still 115.3 MB. Free memory was 90.3 MB in the beginning and 89.4 MB in the end (delta: 889.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:56:47,693 INFO L168 Benchmark]: RCFGBuilder took 335.17 ms. Allocated memory is still 115.3 MB. Free memory was 89.4 MB in the beginning and 81.8 MB in the end (delta: 7.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:56:47,694 INFO L168 Benchmark]: BuchiAutomizer took 4786.43 ms. Allocated memory is still 115.3 MB. Free memory was 81.8 MB in the beginning and 76.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:56:47,694 INFO L168 Benchmark]: Witness Printer took 4.84 ms. Allocated memory is still 115.3 MB. Free memory is still 75.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:56:47,698 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 90.2 MB. Free memory is still 69.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 371.16 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 52.9 MB in the beginning and 91.8 MB in the end (delta: -38.9 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.58 ms. Allocated memory is still 115.3 MB. Free memory was 91.8 MB in the beginning and 90.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.40 ms. Allocated memory is still 115.3 MB. Free memory was 90.3 MB in the beginning and 89.4 MB in the end (delta: 889.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 335.17 ms. Allocated memory is still 115.3 MB. Free memory was 89.4 MB in the beginning and 81.8 MB in the end (delta: 7.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4786.43 ms. Allocated memory is still 115.3 MB. Free memory was 81.8 MB in the beginning and 76.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. * Witness Printer took 4.84 ms. Allocated memory is still 115.3 MB. Free memory is still 75.7 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 4 terminating modules (1 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function xtmp and consists of 3 locations. One nondeterministic module has affine ranking function xtmp and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.7s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 3.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 11.2ms AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19 SDtfs, 23 SDslu, 6 SDs, 0 SdLazy, 35 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 44.1ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax168 hnf100 lsp40 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq162 hnf93 smp100 dnf100 smp100 tf111 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 60ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 19:56:47,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-21 19:56:47,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf8c3d8-8c26-4b0b-aa29-d6da679cc8a5/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...