./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Singapore-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Singapore-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD --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 14352272474fcd72367ebff6d0f1f20f37763259fc59dc19b61cd8b29efae381 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:19:24,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:19:24,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:19:24,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:19:24,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:19:24,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:19:24,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:19:24,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:19:24,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:19:24,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:19:24,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:19:24,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:19:24,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:19:24,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:19:24,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:19:24,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:19:24,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:19:24,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:19:24,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:19:24,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:19:24,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:19:24,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:19:24,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:19:24,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:19:24,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:19:24,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:19:24,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:19:24,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:19:24,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:19:24,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:19:24,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:19:24,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:19:24,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:19:24,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:19:24,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:19:24,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:19:24,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:19:24,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:19:24,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:19:24,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:19:24,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:19:24,517 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 23:19:24,581 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:19:24,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:19:24,582 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:19:24,583 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:19:24,585 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:19:24,585 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:19:24,585 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:19:24,586 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:19:24,586 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:19:24,586 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:19:24,588 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:19:24,588 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:19:24,588 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:19:24,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:19:24,589 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:19:24,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:19:24,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:19:24,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:19:24,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:19:24,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:19:24,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:19:24,591 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:19:24,591 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:19:24,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:19:24,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:19:24,592 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:19:24,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:19:24,594 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:19:24,594 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:19:24,596 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:19:24,596 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_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14352272474fcd72367ebff6d0f1f20f37763259fc59dc19b61cd8b29efae381 [2021-10-28 23:19:24,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:19:24,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:19:24,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:19:24,989 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:19:24,990 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:19:24,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-crafted/Singapore-2.c [2021-10-28 23:19:25,076 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/data/92d88c698/165811432d914d75a8a0fcd2655a815d/FLAG05ce0b8e4 [2021-10-28 23:19:25,580 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:19:25,580 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/sv-benchmarks/c/termination-crafted/Singapore-2.c [2021-10-28 23:19:25,588 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/data/92d88c698/165811432d914d75a8a0fcd2655a815d/FLAG05ce0b8e4 [2021-10-28 23:19:25,951 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/data/92d88c698/165811432d914d75a8a0fcd2655a815d [2021-10-28 23:19:25,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:19:25,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:19:25,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:19:25,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:19:25,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:19:25,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:19:25" (1/1) ... [2021-10-28 23:19:25,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c4ea685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:25, skipping insertion in model container [2021-10-28 23:19:25,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:19:25" (1/1) ... [2021-10-28 23:19:25,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:19:26,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:19:26,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:19:26,204 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:19:26,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:19:26,236 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:19:26,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:26 WrapperNode [2021-10-28 23:19:26,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:19:26,238 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:19:26,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:19:26,239 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:19:26,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:26" (1/1) ... [2021-10-28 23:19:26,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:26" (1/1) ... [2021-10-28 23:19:26,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:19:26,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:19:26,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:19:26,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:19:26,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:26" (1/1) ... [2021-10-28 23:19:26,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:26" (1/1) ... [2021-10-28 23:19:26,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:26" (1/1) ... [2021-10-28 23:19:26,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:26" (1/1) ... [2021-10-28 23:19:26,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:26" (1/1) ... [2021-10-28 23:19:26,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:26" (1/1) ... [2021-10-28 23:19:26,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:26" (1/1) ... [2021-10-28 23:19:26,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:19:26,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:19:26,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:19:26,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:19:26,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:26" (1/1) ... [2021-10-28 23:19:26,310 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:26,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:26,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:26,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:19:26,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:19:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:19:26,597 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:19:26,597 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-28 23:19:26,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:19:26 BoogieIcfgContainer [2021-10-28 23:19:26,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:19:26,600 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:19:26,600 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:19:26,603 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:19:26,604 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:19:26,604 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:19:25" (1/3) ... [2021-10-28 23:19:26,605 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22809040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:19:26, skipping insertion in model container [2021-10-28 23:19:26,605 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:19:26,606 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:26" (2/3) ... [2021-10-28 23:19:26,606 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22809040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:19:26, skipping insertion in model container [2021-10-28 23:19:26,606 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:19:26,606 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:19:26" (3/3) ... [2021-10-28 23:19:26,607 INFO L389 chiAutomizerObserver]: Analyzing ICFG Singapore-2.c [2021-10-28 23:19:26,660 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:19:26,660 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:19:26,660 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:19:26,661 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:19:26,661 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:19:26,675 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:19:26,676 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:19:26,676 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:19:26,708 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:19:26,737 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 23:19:26,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:19:26,737 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:19:26,753 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 23:19:26,753 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 23:19:26,753 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:19:26,754 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:19:26,764 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 23:19:26,764 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:19:26,764 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:19:26,766 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 23:19:26,766 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 23:19:26,774 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 4#L17true assume !!(-65535 <= main_~x~0 && main_~x~0 <= 65535); 5#L18true assume !!(-65535 <= main_~y~0 && main_~y~0 <= 65535); 10#L19true assume main_~x~0 + main_~y~0 <= 0; 7#L20-2true [2021-10-28 23:19:26,774 INFO L793 eck$LassoCheckResult]: Loop: 7#L20-2true assume !!(main_~x~0 > 0);main_~x~0 := main_~x~0 + main_~x~0 + main_~y~0;main_~y~0 := main_~y~0 - 1; 7#L20-2true [2021-10-28 23:19:26,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:26,782 INFO L85 PathProgramCache]: Analyzing trace with hash 959433, now seen corresponding path program 1 times [2021-10-28 23:19:26,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:26,797 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132874782] [2021-10-28 23:19:26,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:26,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:26,888 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:19:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:26,914 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:19:26,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:26,918 INFO L85 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 1 times [2021-10-28 23:19:26,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:26,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386122198] [2021-10-28 23:19:26,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:26,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:26,949 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:19:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:26,957 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:19:26,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:26,959 INFO L85 PathProgramCache]: Analyzing trace with hash 29742446, now seen corresponding path program 1 times [2021-10-28 23:19:26,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:26,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316424810] [2021-10-28 23:19:26,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:26,961 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:26,976 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:19:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:27,002 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:19:27,122 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:19:27,123 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:19:27,123 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:19:27,123 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:19:27,124 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:19:27,124 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:27,124 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:19:27,124 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:19:27,124 INFO L133 ssoRankerPreferences]: Filename of dumped script: Singapore-2.c_Iteration1_Loop [2021-10-28 23:19:27,125 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:19:27,125 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:19:27,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:27,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:27,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:27,277 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:19:27,277 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:19:27,280 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:27,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:27,290 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:27,296 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:19:27,297 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:19:27,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:19:27,318 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:19:27,318 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:19:27,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:27,348 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:27,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:27,350 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:27,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:19:27,356 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:19:27,356 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:19:27,400 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:19:27,400 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:19:27,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-28 23:19:27,439 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:27,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:27,441 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:27,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:19:27,443 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:19:27,443 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:19:27,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-28 23:19:27,494 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:27,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:27,495 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:27,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:19:27,497 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:19:27,497 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:19:27,600 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:19:27,601 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=-1, ULTIMATE.start_main_~x~0=10} Honda state: {ULTIMATE.start_main_~y~0=-1, ULTIMATE.start_main_~x~0=10} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~y~0=-1, ULTIMATE.start_main_~x~0=5}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=4}] Lambdas: [5, 1, 2] Nus: [0, 1] [2021-10-28 23:19:27,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:27,739 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:19:27,739 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:19:27,739 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:19:27,739 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:19:27,739 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:19:27,740 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:27,740 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:19:27,740 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:19:27,740 INFO L133 ssoRankerPreferences]: Filename of dumped script: Singapore-2.c_Iteration1_Lasso [2021-10-28 23:19:27,740 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:19:27,740 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:19:27,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:27,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:27,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:27,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:27,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:27,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:27,883 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:19:27,884 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:19:27,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:27,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:27,892 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:27,899 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:19:27,899 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:19:27,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:19:27,923 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:19:27,923 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:19:27,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:27,968 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:27,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:27,971 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:27,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:19:27,976 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:19:27,976 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:19:27,994 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:19:27,994 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:19:28,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:28,021 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:28,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:28,022 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:28,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:19:28,025 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:19:28,025 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:19:28,060 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:19:28,060 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:19:28,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-28 23:19:28,095 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:28,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:28,100 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:28,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:19:28,105 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:19:28,105 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:19:28,114 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:19:28,115 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:19:28,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:28,142 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:28,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:28,144 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:28,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 23:19:28,148 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:19:28,148 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:19:28,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:28,194 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:28,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:28,196 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:28,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 23:19:28,203 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:19:28,203 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:19:30,594 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:19:30,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:30,599 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:19:30,600 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:19:30,600 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:19:30,600 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:19:30,600 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:19:30,600 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:30,600 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:19:30,600 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:19:30,600 INFO L133 ssoRankerPreferences]: Filename of dumped script: Singapore-2.c_Iteration1_Lasso [2021-10-28 23:19:30,600 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:19:30,600 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:19:30,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:30,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:30,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:30,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:30,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:30,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:30,721 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:19:30,726 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:19:30,728 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:30,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:30,732 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:30,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:30,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:30,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:30,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:30,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:30,759 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:19:30,759 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:19:30,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 23:19:30,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:30,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:30,809 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:30,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:30,810 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:30,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 23:19:30,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:30,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:30,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:19:30,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:30,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:30,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:30,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:19:30,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:19:30,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:30,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:30,845 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:30,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:30,846 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:30,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 23:19:30,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:30,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:30,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:19:30,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:30,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:30,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:30,859 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:19:30,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:19:30,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:30,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:30,920 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:30,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:30,921 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:30,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:30,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:30,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:19:30,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:30,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:30,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:30,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:19:30,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:19:30,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 23:19:30,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:30,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:30,998 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:30,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:30,999 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:31,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 23:19:31,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:31,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:31,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:31,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:31,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:31,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:19:31,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:19:31,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:31,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:31,068 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:31,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:31,069 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:31,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:31,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:31,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:31,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:31,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:31,117 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:19:31,117 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:19:31,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 23:19:31,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:31,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:31,181 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 23:19:31,181 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:31,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:31,182 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:31,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:31,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:31,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:31,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:31,207 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:19:31,211 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-28 23:19:31,211 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-28 23:19:31,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 23:19:31,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:31,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:31,270 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:31,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:31,270 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:31,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 23:19:31,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:31,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:31,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:19:31,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:31,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:31,299 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:19:31,300 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:19:31,301 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:19:31,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:31,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-10-28 23:19:31,338 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:31,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:31,339 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:31,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:31,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 23:19:31,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:31,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:19:31,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:31,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:31,353 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:19:31,354 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:19:31,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:19:31,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:31,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:31,399 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:31,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:31,400 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:31,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 23:19:31,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:31,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:31,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:19:31,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:31,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:31,430 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:19:31,431 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:19:31,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:19:31,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:31,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:31,485 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:31,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:31,486 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:31,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:31,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:31,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:31,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:31,499 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:19:31,503 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-28 23:19:31,503 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-28 23:19:31,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 23:19:31,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:31,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:31,553 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:31,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:31,554 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:31,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 23:19:31,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:31,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:31,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:31,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:31,566 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:19:31,575 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-28 23:19:31,576 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-28 23:19:31,599 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:19:31,631 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-28 23:19:31,631 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-10-28 23:19:31,633 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:31,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:31,642 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:31,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 23:19:31,692 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:19:31,706 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 3. [2021-10-28 23:19:31,706 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:19:31,707 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 3*ULTIMATE.start_main_~x~0 + 2*ULTIMATE.start_main_~y~0 f1 = 2*ULTIMATE.start_main_~x~0 Supporting invariants [-1*ULTIMATE.start_main_~y~0 - 1*ULTIMATE.start_main_~x~0 >= 0] [2021-10-28 23:19:31,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:31,761 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2021-10-28 23:19:31,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:19:31,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:19:31,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:19:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:19:31,869 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 23:19:31,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:19:31,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:19:31,886 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-10-28 23:19:31,888 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 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 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:19:31,970 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 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 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 27 transitions. Complement of second has 5 states. [2021-10-28 23:19:31,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 23:19:31,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:19:31,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-10-28 23:19:31,975 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 1 letters. [2021-10-28 23:19:31,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:19:31,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 1 letters. [2021-10-28 23:19:31,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:19:31,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-28 23:19:31,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:19:31,977 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. [2021-10-28 23:19:31,980 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:19:31,983 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2021-10-28 23:19:31,984 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:19:31,984 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:19:31,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:19:31,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:19:31,985 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:19:31,985 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:19:31,985 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:19:31,985 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:19:31,985 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:19:31,985 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:19:31,986 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:19:31,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:19:31 BoogieIcfgContainer [2021-10-28 23:19:31,992 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:19:31,992 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:19:31,992 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:19:31,993 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:19:31,993 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:19:26" (3/4) ... [2021-10-28 23:19:31,996 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:19:31,996 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:19:31,998 INFO L168 Benchmark]: Toolchain (without parser) took 6041.18 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 51.5 MB in the beginning and 59.5 MB in the end (delta: -8.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:19:31,998 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 88.1 MB. Free memory is still 68.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:19:31,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.97 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 51.3 MB in the beginning and 84.3 MB in the end (delta: -33.1 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:19:32,000 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.06 ms. Allocated memory is still 107.0 MB. Free memory was 84.1 MB in the beginning and 82.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:19:32,000 INFO L168 Benchmark]: Boogie Preprocessor took 21.72 ms. Allocated memory is still 107.0 MB. Free memory was 82.9 MB in the beginning and 82.1 MB in the end (delta: 814.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:19:32,001 INFO L168 Benchmark]: RCFGBuilder took 301.21 ms. Allocated memory is still 107.0 MB. Free memory was 81.9 MB in the beginning and 74.2 MB in the end (delta: 7.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:19:32,002 INFO L168 Benchmark]: BuchiAutomizer took 5391.72 ms. Allocated memory is still 107.0 MB. Free memory was 74.1 MB in the beginning and 60.0 MB in the end (delta: 14.2 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:19:32,002 INFO L168 Benchmark]: Witness Printer took 3.93 ms. Allocated memory is still 107.0 MB. Free memory was 60.0 MB in the beginning and 59.5 MB in the end (delta: 442.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:19:32,006 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 88.1 MB. Free memory is still 68.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 279.97 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 51.3 MB in the beginning and 84.3 MB in the end (delta: -33.1 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.06 ms. Allocated memory is still 107.0 MB. Free memory was 84.1 MB in the beginning and 82.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.72 ms. Allocated memory is still 107.0 MB. Free memory was 82.9 MB in the beginning and 82.1 MB in the end (delta: 814.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 301.21 ms. Allocated memory is still 107.0 MB. Free memory was 81.9 MB in the beginning and 74.2 MB in the end (delta: 7.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5391.72 ms. Allocated memory is still 107.0 MB. Free memory was 74.1 MB in the beginning and 60.0 MB in the end (delta: 14.2 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. * Witness Printer took 3.93 ms. Allocated memory is still 107.0 MB. Free memory was 60.0 MB in the beginning and 59.5 MB in the end (delta: 442.7 kB). Peak memory consumption was 2.1 MB. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 2-nested ranking function (if 3 * x + 2 * y > 0 then 1 else 0), (if 3 * x + 2 * y > 0 then 3 * x + 2 * y else 2 * x) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 13 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax148 hnf100 lsp68 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq156 hnf94 smp100 dnf100 smp100 tf102 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 58ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.8s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:19:32,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:32,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84d4f20-9bff-490f-8d11-25065c06efc0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...