./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive/gcd02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/gcd02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5840bf8cb045a250261e3957017079dce43a53700f7c91e31c16b36d5b980e00 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:36:36,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:36:36,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:36:36,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:36:36,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:36:36,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:36:36,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:36:36,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:36:36,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:36:36,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:36:36,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:36:36,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:36:36,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:36:36,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:36:36,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:36:36,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:36:36,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:36:36,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:36:36,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:36:36,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:36:36,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:36:36,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:36:36,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:36:36,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:36:36,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:36:36,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:36:36,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:36:36,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:36:36,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:36:36,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:36:36,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:36:36,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:36:36,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:36:36,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:36:36,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:36:36,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:36:36,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:36:36,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:36:36,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:36:36,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:36:36,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:36:36,468 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-06 20:36:36,489 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:36:36,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:36:36,489 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:36:36,489 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:36:36,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:36:36,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:36:36,490 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:36:36,490 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 20:36:36,490 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 20:36:36,490 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 20:36:36,491 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 20:36:36,491 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 20:36:36,491 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 20:36:36,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:36:36,491 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 20:36:36,491 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 20:36:36,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 20:36:36,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 20:36:36,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:36:36,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 20:36:36,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 20:36:36,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 20:36:36,496 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 20:36:36,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 20:36:36,496 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 20:36:36,496 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:36:36,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 20:36:36,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:36:36,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:36:36,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:36:36,497 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 20:36:36,497 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:36:36,498 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 20:36:36,498 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_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5840bf8cb045a250261e3957017079dce43a53700f7c91e31c16b36d5b980e00 [2021-12-06 20:36:36,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:36:36,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:36:36,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:36:36,719 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:36:36,719 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:36:36,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/recursive/gcd02.c [2021-12-06 20:36:36,760 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/data/b3290da41/b4af7fe6811e43369ae3bf8db9dae2ca/FLAG8d31acfe9 [2021-12-06 20:36:37,153 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:36:37,154 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/sv-benchmarks/c/recursive/gcd02.c [2021-12-06 20:36:37,158 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/data/b3290da41/b4af7fe6811e43369ae3bf8db9dae2ca/FLAG8d31acfe9 [2021-12-06 20:36:37,169 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/data/b3290da41/b4af7fe6811e43369ae3bf8db9dae2ca [2021-12-06 20:36:37,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:36:37,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:36:37,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:36:37,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:36:37,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:36:37,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:36:37" (1/1) ... [2021-12-06 20:36:37,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2616b2c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:36:37, skipping insertion in model container [2021-12-06 20:36:37,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:36:37" (1/1) ... [2021-12-06 20:36:37,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:36:37,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:36:37,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/sv-benchmarks/c/recursive/gcd02.c[623,636] [2021-12-06 20:36:37,308 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/sv-benchmarks/c/recursive/gcd02.c[1283,1296] [2021-12-06 20:36:37,309 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:36:37,315 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 20:36:37,324 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/sv-benchmarks/c/recursive/gcd02.c[623,636] [2021-12-06 20:36:37,329 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/sv-benchmarks/c/recursive/gcd02.c[1283,1296] [2021-12-06 20:36:37,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:36:37,339 INFO L208 MainTranslator]: Completed translation [2021-12-06 20:36:37,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:36:37 WrapperNode [2021-12-06 20:36:37,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:36:37,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 20:36:37,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 20:36:37,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 20:36:37,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:36:37" (1/1) ... [2021-12-06 20:36:37,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:36:37" (1/1) ... [2021-12-06 20:36:37,364 INFO L137 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2021-12-06 20:36:37,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 20:36:37,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 20:36:37,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 20:36:37,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 20:36:37,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:36:37" (1/1) ... [2021-12-06 20:36:37,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:36:37" (1/1) ... [2021-12-06 20:36:37,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:36:37" (1/1) ... [2021-12-06 20:36:37,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:36:37" (1/1) ... [2021-12-06 20:36:37,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:36:37" (1/1) ... [2021-12-06 20:36:37,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:36:37" (1/1) ... [2021-12-06 20:36:37,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:36:37" (1/1) ... [2021-12-06 20:36:37,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 20:36:37,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 20:36:37,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 20:36:37,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 20:36:37,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:36:37" (1/1) ... [2021-12-06 20:36:37,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:37,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:37,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:37,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 20:36:37,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 20:36:37,435 INFO L130 BoogieDeclarations]: Found specification of procedure gcd [2021-12-06 20:36:37,436 INFO L138 BoogieDeclarations]: Found implementation of procedure gcd [2021-12-06 20:36:37,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 20:36:37,436 INFO L130 BoogieDeclarations]: Found specification of procedure divides [2021-12-06 20:36:37,436 INFO L138 BoogieDeclarations]: Found implementation of procedure divides [2021-12-06 20:36:37,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 20:36:37,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 20:36:37,483 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 20:36:37,484 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 20:36:37,570 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 20:36:37,576 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 20:36:37,576 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 20:36:37,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:36:37 BoogieIcfgContainer [2021-12-06 20:36:37,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 20:36:37,578 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 20:36:37,578 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 20:36:37,582 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 20:36:37,582 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 20:36:37,583 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 08:36:37" (1/3) ... [2021-12-06 20:36:37,583 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47740855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 08:36:37, skipping insertion in model container [2021-12-06 20:36:37,583 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 20:36:37,584 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:36:37" (2/3) ... [2021-12-06 20:36:37,584 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47740855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 08:36:37, skipping insertion in model container [2021-12-06 20:36:37,584 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 20:36:37,584 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:36:37" (3/3) ... [2021-12-06 20:36:37,585 INFO L388 chiAutomizerObserver]: Analyzing ICFG gcd02.c [2021-12-06 20:36:37,620 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 20:36:37,620 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 20:36:37,620 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 20:36:37,620 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 20:36:37,620 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 20:36:37,620 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 20:36:37,620 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 20:36:37,620 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 20:36:37,632 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 31 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-06 20:36:37,651 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2021-12-06 20:36:37,651 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 20:36:37,651 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 20:36:37,656 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-06 20:36:37,656 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-06 20:36:37,657 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 20:36:37,657 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 31 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-06 20:36:37,661 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2021-12-06 20:36:37,661 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 20:36:37,661 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 20:36:37,662 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-06 20:36:37,662 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-06 20:36:37,667 INFO L791 eck$LassoCheckResult]: Stem: 16#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call #Ultimate.allocInit(12, 3); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~ret9#1, main_#t~ret10#1, main_~z~0#1, main_~m~0#1, main_~n~0#1;main_~m~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 6#L44true assume !(main_~m~0#1 <= 0 || main_~m~0#1 > 2147483647);main_~n~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 14#L48true assume !(main_~n~0#1 <= 0 || main_~n~0#1 > 2147483647); 7#L51true assume main_~m~0#1 > 0 && main_~n~0#1 > 0; 28#L52true call main_#t~ret9#1 := gcd(main_~m~0#1, main_~n~0#1);< 33#gcdENTRYtrue [2021-12-06 20:36:37,667 INFO L793 eck$LassoCheckResult]: Loop: 33#gcdENTRYtrue ~y1 := #in~y1;~y2 := #in~y2; 19#L18true assume !(~y1 <= 0 || ~y2 <= 0); 23#L18-2true assume !(~y1 == ~y2); 13#L25true assume !(~y1 > ~y2); 27#L28true call #t~ret5 := gcd(~y1, ~y2 - ~y1);< 33#gcdENTRYtrue [2021-12-06 20:36:37,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:36:37,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1895408799, now seen corresponding path program 1 times [2021-12-06 20:36:37,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:36:37,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358172814] [2021-12-06 20:36:37,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:36:37,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:36:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:37,747 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:36:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:37,769 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:36:37,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:36:37,771 INFO L85 PathProgramCache]: Analyzing trace with hash 40301496, now seen corresponding path program 1 times [2021-12-06 20:36:37,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:36:37,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535066757] [2021-12-06 20:36:37,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:36:37,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:36:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:37,778 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:36:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:37,784 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:36:37,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:36:37,785 INFO L85 PathProgramCache]: Analyzing trace with hash 762413530, now seen corresponding path program 1 times [2021-12-06 20:36:37,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:36:37,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026503242] [2021-12-06 20:36:37,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:36:37,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:36:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:37,800 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:36:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:37,813 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:36:37,938 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 20:36:37,938 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 20:36:37,939 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 20:36:37,939 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 20:36:37,939 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 20:36:37,939 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:37,939 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 20:36:37,939 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 20:36:37,939 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd02.c_Iteration1_Loop [2021-12-06 20:36:37,939 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 20:36:37,939 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 20:36:37,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:37,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:37,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:37,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:37,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:37,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:38,009 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 20:36:38,010 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 20:36:38,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:38,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:38,012 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:38,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 20:36:38,014 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 20:36:38,014 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:36:38,029 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 20:36:38,029 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#t~ret5=0} Honda state: {gcd_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 20:36:38,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 20:36:38,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:38,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:38,057 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:38,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 20:36:38,059 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 20:36:38,059 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:36:38,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 20:36:38,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:38,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:38,098 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:38,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 20:36:38,100 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 20:36:38,100 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:36:38,177 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 20:36:38,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 20:36:38,180 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 20:36:38,180 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 20:36:38,180 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 20:36:38,180 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 20:36:38,180 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 20:36:38,181 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:38,181 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 20:36:38,181 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 20:36:38,181 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd02.c_Iteration1_Loop [2021-12-06 20:36:38,181 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 20:36:38,181 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 20:36:38,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:38,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:38,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:38,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:38,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:38,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:38,235 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 20:36:38,238 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 20:36:38,239 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:38,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:38,240 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:38,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 20:36:38,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:38,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:38,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:38,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:38,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:38,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:38,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:38,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:38,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:38,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 20:36:38,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:38,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:38,286 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:38,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 20:36:38,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:38,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:38,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:38,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:38,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:38,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:38,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:38,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:38,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:38,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 20:36:38,315 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:38,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:38,315 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:38,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 20:36:38,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:38,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:38,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:38,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:38,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:38,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:38,325 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:38,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:38,327 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 20:36:38,331 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-06 20:36:38,331 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-06 20:36:38,332 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:38,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:38,340 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:38,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 20:36:38,342 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 20:36:38,342 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-06 20:36:38,342 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 20:36:38,342 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(gcd_#in~y2) = 1*gcd_#in~y2 Supporting invariants [] [2021-12-06 20:36:38,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 20:36:38,363 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-06 20:36:38,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:36:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:36:38,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 20:36:38,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:36:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:36:38,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 20:36:38,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:36:38,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:36:38,477 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-06 20:36:38,478 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 31 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:36:38,558 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 31 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5). Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 117 states and 161 transitions. Complement of second has 22 states. [2021-12-06 20:36:38,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2021-12-06 20:36:38,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:36:38,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 61 transitions. [2021-12-06 20:36:38,566 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 61 transitions. Stem has 6 letters. Loop has 5 letters. [2021-12-06 20:36:38,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:36:38,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 61 transitions. Stem has 11 letters. Loop has 5 letters. [2021-12-06 20:36:38,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:36:38,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 61 transitions. Stem has 6 letters. Loop has 10 letters. [2021-12-06 20:36:38,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:36:38,568 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 117 states and 161 transitions. [2021-12-06 20:36:38,575 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-06 20:36:38,580 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 117 states to 49 states and 67 transitions. [2021-12-06 20:36:38,581 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2021-12-06 20:36:38,581 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2021-12-06 20:36:38,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 67 transitions. [2021-12-06 20:36:38,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 20:36:38,583 INFO L681 BuchiCegarLoop]: Abstraction has 49 states and 67 transitions. [2021-12-06 20:36:38,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 67 transitions. [2021-12-06 20:36:38,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 41. [2021-12-06 20:36:38,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 30 states have internal predecessors, (35), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2021-12-06 20:36:38,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 54 transitions. [2021-12-06 20:36:38,606 INFO L704 BuchiCegarLoop]: Abstraction has 41 states and 54 transitions. [2021-12-06 20:36:38,606 INFO L587 BuchiCegarLoop]: Abstraction has 41 states and 54 transitions. [2021-12-06 20:36:38,606 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 20:36:38,606 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 54 transitions. [2021-12-06 20:36:38,607 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-06 20:36:38,607 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 20:36:38,607 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 20:36:38,608 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:36:38,608 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-06 20:36:38,608 INFO L791 eck$LassoCheckResult]: Stem: 234#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call #Ultimate.allocInit(12, 3); 235#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~ret9#1, main_#t~ret10#1, main_~z~0#1, main_~m~0#1, main_~n~0#1;main_~m~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 242#L44 assume !(main_~m~0#1 <= 0 || main_~m~0#1 > 2147483647);main_~n~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 243#L48 assume !(main_~n~0#1 <= 0 || main_~n~0#1 > 2147483647); 244#L51 assume main_~m~0#1 > 0 && main_~n~0#1 > 0; 229#L52 call main_#t~ret9#1 := gcd(main_~m~0#1, main_~n~0#1);< 257#gcdENTRY ~y1 := #in~y1;~y2 := #in~y2; 245#L18 assume !(~y1 <= 0 || ~y2 <= 0); 246#L18-2 assume !(~y1 == ~y2); 253#L25 assume ~y1 > ~y2; 228#L26 call #t~ret4 := gcd(~y1 - ~y2, ~y2);< 230#gcdENTRY [2021-12-06 20:36:38,608 INFO L793 eck$LassoCheckResult]: Loop: 230#gcdENTRY ~y1 := #in~y1;~y2 := #in~y2; 259#L18 assume !(~y1 <= 0 || ~y2 <= 0); 267#L18-2 assume !(~y1 == ~y2); 266#L25 assume ~y1 > ~y2; 258#L26 call #t~ret4 := gcd(~y1 - ~y2, ~y2);< 230#gcdENTRY [2021-12-06 20:36:38,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:36:38,609 INFO L85 PathProgramCache]: Analyzing trace with hash 762413435, now seen corresponding path program 1 times [2021-12-06 20:36:38,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:36:38,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827446224] [2021-12-06 20:36:38,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:36:38,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:36:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:38,619 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:36:38,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:38,630 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:36:38,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:36:38,631 INFO L85 PathProgramCache]: Analyzing trace with hash 40301401, now seen corresponding path program 1 times [2021-12-06 20:36:38,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:36:38,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796769150] [2021-12-06 20:36:38,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:36:38,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:36:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:38,635 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:36:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:38,639 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:36:38,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:36:38,639 INFO L85 PathProgramCache]: Analyzing trace with hash -2064822753, now seen corresponding path program 2 times [2021-12-06 20:36:38,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:36:38,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733558442] [2021-12-06 20:36:38,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:36:38,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:36:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:38,651 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:36:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:38,664 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:36:38,713 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 20:36:38,713 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 20:36:38,714 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 20:36:38,714 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 20:36:38,714 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 20:36:38,714 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:38,714 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 20:36:38,714 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 20:36:38,714 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd02.c_Iteration2_Loop [2021-12-06 20:36:38,714 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 20:36:38,714 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 20:36:38,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:38,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:38,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:38,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:38,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:38,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:38,750 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 20:36:38,750 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 20:36:38,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:38,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:38,751 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:38,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 20:36:38,753 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 20:36:38,753 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:36:38,761 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 20:36:38,761 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_~y2=0} Honda state: {gcd_~y2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 20:36:38,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 20:36:38,780 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:38,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:38,781 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:38,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 20:36:38,782 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 20:36:38,782 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:36:38,790 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 20:36:38,790 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#t~ret4=0} Honda state: {gcd_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 20:36:38,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 20:36:38,809 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:38,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:38,810 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:38,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 20:36:38,811 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 20:36:38,811 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:36:38,819 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 20:36:38,819 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_~y1=0} Honda state: {gcd_~y1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 20:36:38,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-06 20:36:38,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:38,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:38,839 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:38,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 20:36:38,865 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 20:36:38,865 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:36:38,873 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 20:36:38,873 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#t~ret5=0} Honda state: {gcd_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 20:36:38,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-06 20:36:38,892 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:38,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:38,893 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:38,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 20:36:38,894 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 20:36:38,894 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:36:38,902 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 20:36:38,902 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#res=0} Honda state: {gcd_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 20:36:38,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 20:36:38,920 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:38,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:38,921 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:38,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 20:36:38,922 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 20:36:38,922 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:36:38,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-06 20:36:38,948 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:38,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:38,949 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:38,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 20:36:38,950 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 20:36:38,950 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 20:36:39,104 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 20:36:39,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-06 20:36:39,107 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 20:36:39,107 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 20:36:39,107 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 20:36:39,107 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 20:36:39,107 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 20:36:39,107 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:39,107 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 20:36:39,107 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 20:36:39,108 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd02.c_Iteration2_Loop [2021-12-06 20:36:39,108 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 20:36:39,108 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 20:36:39,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:39,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:39,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:39,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:39,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:39,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:39,134 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 20:36:39,134 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 20:36:39,134 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:39,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:39,135 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:39,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 20:36:39,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:39,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:39,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:39,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:39,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:39,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:39,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:39,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:39,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:39,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-06 20:36:39,164 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:39,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:39,164 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:39,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 20:36:39,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:39,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:39,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:39,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:39,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:39,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:39,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:39,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:39,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:39,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-06 20:36:39,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:39,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:39,194 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:39,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 20:36:39,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:39,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:39,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:39,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:39,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:39,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:39,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:39,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:39,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:39,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-06 20:36:39,223 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:39,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:39,223 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:39,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 20:36:39,225 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:39,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:39,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:39,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:39,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:39,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:39,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:39,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:39,235 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 20:36:39,237 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-06 20:36:39,237 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-06 20:36:39,238 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:39,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:39,239 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:39,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 20:36:39,240 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 20:36:39,240 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-06 20:36:39,240 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 20:36:39,240 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(gcd_#in~y1) = 1*gcd_#in~y1 Supporting invariants [] [2021-12-06 20:36:39,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-06 20:36:39,259 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-06 20:36:39,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:36:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:36:39,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 20:36:39,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:36:39,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-06 20:36:39,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 20:36:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:36:39,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 20:36:39,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:36:39,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:36:39,353 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2021-12-06 20:36:39,353 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 54 transitions. cyclomatic complexity: 16 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:36:39,419 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 54 transitions. cyclomatic complexity: 16. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 140 states and 188 transitions. Complement of second has 31 states. [2021-12-06 20:36:39,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2021-12-06 20:36:39,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:36:39,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 37 transitions. [2021-12-06 20:36:39,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 37 transitions. Stem has 11 letters. Loop has 5 letters. [2021-12-06 20:36:39,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:36:39,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 37 transitions. Stem has 16 letters. Loop has 5 letters. [2021-12-06 20:36:39,422 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:36:39,422 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 37 transitions. Stem has 11 letters. Loop has 10 letters. [2021-12-06 20:36:39,422 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:36:39,422 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 140 states and 188 transitions. [2021-12-06 20:36:39,427 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-06 20:36:39,432 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 140 states to 116 states and 164 transitions. [2021-12-06 20:36:39,432 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 65 [2021-12-06 20:36:39,432 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 67 [2021-12-06 20:36:39,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 164 transitions. [2021-12-06 20:36:39,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 20:36:39,432 INFO L681 BuchiCegarLoop]: Abstraction has 116 states and 164 transitions. [2021-12-06 20:36:39,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 164 transitions. [2021-12-06 20:36:39,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 82. [2021-12-06 20:36:39,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 61 states have (on average 1.180327868852459) internal successors, (72), 65 states have internal predecessors, (72), 11 states have call successors, (11), 8 states have call predecessors, (11), 10 states have return successors, (26), 8 states have call predecessors, (26), 9 states have call successors, (26) [2021-12-06 20:36:39,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 109 transitions. [2021-12-06 20:36:39,442 INFO L704 BuchiCegarLoop]: Abstraction has 82 states and 109 transitions. [2021-12-06 20:36:39,442 INFO L587 BuchiCegarLoop]: Abstraction has 82 states and 109 transitions. [2021-12-06 20:36:39,442 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 20:36:39,442 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states and 109 transitions. [2021-12-06 20:36:39,443 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-06 20:36:39,443 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 20:36:39,444 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 20:36:39,444 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:36:39,444 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 20:36:39,444 INFO L791 eck$LassoCheckResult]: Stem: 520#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call #Ultimate.allocInit(12, 3); 521#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~ret9#1, main_#t~ret10#1, main_~z~0#1, main_~m~0#1, main_~n~0#1;main_~m~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 528#L44 assume !(main_~m~0#1 <= 0 || main_~m~0#1 > 2147483647);main_~n~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 529#L48 assume !(main_~n~0#1 <= 0 || main_~n~0#1 > 2147483647); 530#L51 assume main_~m~0#1 > 0 && main_~n~0#1 > 0; 514#L52 call main_#t~ret9#1 := gcd(main_~m~0#1, main_~n~0#1);< 548#gcdENTRY ~y1 := #in~y1;~y2 := #in~y2; 556#L18 assume !(~y1 <= 0 || ~y2 <= 0); 581#L18-2 assume ~y1 == ~y2;#res := ~y1; 522#gcdFINAL assume true; 523#gcdEXIT >#73#return; 549#L52-1 main_~z~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 526#L53 call main_#t~ret10#1 := divides(main_~z~0#1, main_~m~0#1);< 538#dividesENTRY [2021-12-06 20:36:39,444 INFO L793 eck$LassoCheckResult]: Loop: 538#dividesENTRY ~n := #in~n;~m := #in~m; 524#L33 assume !(0 == ~m); 527#L36 assume !(~n > ~m); 525#L39 call #t~ret6 := divides(~n, ~m - ~n);< 538#dividesENTRY [2021-12-06 20:36:39,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:36:39,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1760834896, now seen corresponding path program 1 times [2021-12-06 20:36:39,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:36:39,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658985442] [2021-12-06 20:36:39,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:36:39,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:36:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:39,453 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:36:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:39,462 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:36:39,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:36:39,462 INFO L85 PathProgramCache]: Analyzing trace with hash 927679, now seen corresponding path program 1 times [2021-12-06 20:36:39,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:36:39,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529147614] [2021-12-06 20:36:39,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:36:39,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:36:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:39,466 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:36:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:39,469 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:36:39,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:36:39,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1103561454, now seen corresponding path program 1 times [2021-12-06 20:36:39,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:36:39,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910473168] [2021-12-06 20:36:39,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:36:39,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:36:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:39,478 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:36:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:39,488 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:36:39,758 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 20:36:39,758 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 20:36:39,758 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 20:36:39,758 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 20:36:39,758 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 20:36:39,758 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:39,758 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 20:36:39,758 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 20:36:39,758 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd02.c_Iteration3_Lasso [2021-12-06 20:36:39,758 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 20:36:39,759 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 20:36:39,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:39,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:39,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:39,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:39,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:39,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:39,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:39,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:39,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:39,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:39,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:39,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:39,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:39,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:39,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:39,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:39,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:39,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:39,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:39,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:39,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:39,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:39,908 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 20:36:39,908 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 20:36:39,908 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:39,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:39,909 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:39,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 20:36:39,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:39,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:39,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:39,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:39,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:39,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:39,917 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:39,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:39,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:39,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-12-06 20:36:39,938 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:39,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:39,938 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:39,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 20:36:39,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:39,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:39,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:39,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:39,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:39,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:39,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:39,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:39,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:39,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-06 20:36:39,967 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:39,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:39,968 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:39,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 20:36:39,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:39,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:39,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:39,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:39,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:39,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:39,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:39,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:39,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:39,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-06 20:36:39,996 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:39,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:39,997 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:39,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 20:36:39,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:40,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:40,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:40,005 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-06 20:36:40,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:40,013 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-12-06 20:36:40,013 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 20:36:40,029 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 20:36:40,050 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-12-06 20:36:40,050 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-12-06 20:36:40,051 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:40,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:40,052 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:40,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 20:36:40,053 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 20:36:40,064 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-12-06 20:36:40,064 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 20:36:40,064 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(divides_#in~m) = 1*divides_#in~m Supporting invariants [1*divides_#in~n - 1 >= 0] [2021-12-06 20:36:40,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-12-06 20:36:40,086 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-06 20:36:40,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:36:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:36:40,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 20:36:40,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:36:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:36:40,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 20:36:40,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:36:40,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:36:40,260 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 3 loop predicates [2021-12-06 20:36:40,260 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 82 states and 109 transitions. cyclomatic complexity: 32 Second operand has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 20:36:40,424 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 82 states and 109 transitions. cyclomatic complexity: 32. Second operand has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 114 states and 146 transitions. Complement of second has 21 states. [2021-12-06 20:36:40,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2021-12-06 20:36:40,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 20:36:40,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 32 transitions. [2021-12-06 20:36:40,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 32 transitions. Stem has 13 letters. Loop has 4 letters. [2021-12-06 20:36:40,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:36:40,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 32 transitions. Stem has 17 letters. Loop has 4 letters. [2021-12-06 20:36:40,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:36:40,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 32 transitions. Stem has 13 letters. Loop has 8 letters. [2021-12-06 20:36:40,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:36:40,428 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 146 transitions. [2021-12-06 20:36:40,431 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-06 20:36:40,434 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 96 states and 127 transitions. [2021-12-06 20:36:40,435 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 64 [2021-12-06 20:36:40,435 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2021-12-06 20:36:40,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 96 states and 127 transitions. [2021-12-06 20:36:40,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 20:36:40,436 INFO L681 BuchiCegarLoop]: Abstraction has 96 states and 127 transitions. [2021-12-06 20:36:40,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states and 127 transitions. [2021-12-06 20:36:40,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 86. [2021-12-06 20:36:40,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 64 states have (on average 1.171875) internal successors, (75), 68 states have internal predecessors, (75), 13 states have call successors, (13), 8 states have call predecessors, (13), 9 states have return successors, (28), 9 states have call predecessors, (28), 11 states have call successors, (28) [2021-12-06 20:36:40,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 116 transitions. [2021-12-06 20:36:40,445 INFO L704 BuchiCegarLoop]: Abstraction has 86 states and 116 transitions. [2021-12-06 20:36:40,446 INFO L587 BuchiCegarLoop]: Abstraction has 86 states and 116 transitions. [2021-12-06 20:36:40,446 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 20:36:40,446 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states and 116 transitions. [2021-12-06 20:36:40,447 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-06 20:36:40,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 20:36:40,448 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 20:36:40,448 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:36:40,448 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 20:36:40,449 INFO L791 eck$LassoCheckResult]: Stem: 839#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call #Ultimate.allocInit(12, 3); 840#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~ret9#1, main_#t~ret10#1, main_~z~0#1, main_~m~0#1, main_~n~0#1;main_~m~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 847#L44 assume !(main_~m~0#1 <= 0 || main_~m~0#1 > 2147483647);main_~n~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 848#L48 assume !(main_~n~0#1 <= 0 || main_~n~0#1 > 2147483647); 849#L51 assume main_~m~0#1 > 0 && main_~n~0#1 > 0; 850#L52 call main_#t~ret9#1 := gcd(main_~m~0#1, main_~n~0#1);< 870#gcdENTRY ~y1 := #in~y1;~y2 := #in~y2; 883#L18 assume !(~y1 <= 0 || ~y2 <= 0); 887#L18-2 assume !(~y1 == ~y2); 884#L25 assume !(~y1 > ~y2); 833#L28 call #t~ret5 := gcd(~y1, ~y2 - ~y1);< 880#gcdENTRY ~y1 := #in~y1;~y2 := #in~y2; 881#L18 assume !(~y1 <= 0 || ~y2 <= 0); 876#L18-2 assume ~y1 == ~y2;#res := ~y1; 841#gcdFINAL assume true; 842#gcdEXIT >#71#return; 898#L28-1 #res := #t~ret5;havoc #t~ret5; 888#gcdFINAL assume true; 875#gcdEXIT >#73#return; 871#L52-1 main_~z~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 846#L53 call main_#t~ret10#1 := divides(main_~z~0#1, main_~m~0#1);< 862#dividesENTRY [2021-12-06 20:36:40,449 INFO L793 eck$LassoCheckResult]: Loop: 862#dividesENTRY ~n := #in~n;~m := #in~m; 843#L33 assume !(0 == ~m); 845#L36 assume !(~n > ~m); 844#L39 call #t~ret6 := divides(~n, ~m - ~n);< 862#dividesENTRY [2021-12-06 20:36:40,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:36:40,449 INFO L85 PathProgramCache]: Analyzing trace with hash -210908093, now seen corresponding path program 1 times [2021-12-06 20:36:40,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:36:40,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789342250] [2021-12-06 20:36:40,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:36:40,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:36:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:40,461 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:36:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:40,475 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:36:40,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:36:40,476 INFO L85 PathProgramCache]: Analyzing trace with hash 927679, now seen corresponding path program 2 times [2021-12-06 20:36:40,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:36:40,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341569327] [2021-12-06 20:36:40,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:36:40,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:36:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:40,480 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:36:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:40,483 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:36:40,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:36:40,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1286077695, now seen corresponding path program 1 times [2021-12-06 20:36:40,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:36:40,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504390999] [2021-12-06 20:36:40,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:36:40,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:36:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:40,497 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:36:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:40,511 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:36:40,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-06 20:36:40,836 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 20:36:40,836 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 20:36:40,837 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 20:36:40,837 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 20:36:40,837 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 20:36:40,837 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:40,837 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 20:36:40,837 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 20:36:40,837 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd02.c_Iteration4_Lasso [2021-12-06 20:36:40,837 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 20:36:40,837 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 20:36:40,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:40,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:40,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:40,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:40,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:40,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:40,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:40,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:40,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:40,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:40,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:40,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:40,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:40,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:40,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:40,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:40,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:40,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:40,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:40,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:40,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:40,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:40,973 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 20:36:40,973 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 20:36:40,973 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:40,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:40,974 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:40,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 20:36:40,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:40,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:40,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:40,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:40,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:40,984 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:36:40,984 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:36:40,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:41,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-06 20:36:41,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:41,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:41,005 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:41,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 20:36:41,006 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:41,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:41,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:41,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:41,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:41,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:36:41,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:36:41,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:41,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-12-06 20:36:41,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:41,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:41,036 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:41,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-06 20:36:41,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:41,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:41,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:41,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:41,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:41,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:36:41,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:36:41,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:41,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-06 20:36:41,066 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:41,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:41,067 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:41,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-06 20:36:41,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:41,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:41,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:41,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:41,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:41,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:36:41,077 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:36:41,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:41,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-06 20:36:41,098 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:41,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:41,099 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:41,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-06 20:36:41,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:41,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:41,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:41,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:41,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:41,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:41,107 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:41,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:41,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:41,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-06 20:36:41,126 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:41,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:41,127 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:41,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-06 20:36:41,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:41,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:41,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:41,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:41,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:41,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:36:41,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:36:41,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:41,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-06 20:36:41,158 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:41,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:41,158 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:41,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-06 20:36:41,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:41,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:41,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:41,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:41,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:41,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:41,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:41,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:41,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:41,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-12-06 20:36:41,197 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:41,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:41,197 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:41,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-06 20:36:41,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:41,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:41,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:41,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:41,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:41,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:41,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:41,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:41,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:41,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-06 20:36:41,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:41,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:41,226 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:41,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-06 20:36:41,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:41,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:41,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:41,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:41,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:41,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:41,236 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:41,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:41,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:41,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-06 20:36:41,255 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:41,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:41,256 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:41,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-06 20:36:41,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:41,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:41,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:41,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:41,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:41,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:41,264 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:41,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:41,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:41,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-06 20:36:41,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:41,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:41,284 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:41,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-06 20:36:41,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:41,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:41,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:41,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:41,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:41,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:41,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:41,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:41,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:41,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-12-06 20:36:41,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:41,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:41,312 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:41,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-06 20:36:41,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:41,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:41,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:41,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:41,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:41,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:41,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:41,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:41,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:41,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-06 20:36:41,340 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:41,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:41,341 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:41,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-06 20:36:41,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:41,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:41,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:41,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:41,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:41,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:41,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:41,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:41,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:41,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-12-06 20:36:41,368 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:41,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:41,369 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:41,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-06 20:36:41,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:41,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:41,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:41,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:41,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:41,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:41,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:41,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:41,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:41,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-06 20:36:41,396 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:41,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:41,397 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:41,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-06 20:36:41,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:41,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:41,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:41,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:41,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:41,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:41,405 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:41,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:41,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:41,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-06 20:36:41,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:41,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:41,425 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:41,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-06 20:36:41,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:41,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:41,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:41,433 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-06 20:36:41,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:41,438 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-12-06 20:36:41,438 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 20:36:41,457 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 20:36:41,475 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-12-06 20:36:41,476 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-12-06 20:36:41,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:41,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:41,476 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:41,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-06 20:36:41,477 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 20:36:41,488 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-12-06 20:36:41,488 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 20:36:41,488 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(divides_#in~m) = 1*divides_#in~m Supporting invariants [2*divides_#in~n - 1 >= 0] [2021-12-06 20:36:41,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-12-06 20:36:41,509 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-06 20:36:41,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:36:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:36:41,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-06 20:36:41,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:36:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:36:41,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 20:36:41,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:36:41,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:36:41,748 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.7 stem predicates 3 loop predicates [2021-12-06 20:36:41,748 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 86 states and 116 transitions. cyclomatic complexity: 35 Second operand has 10 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 20:36:41,887 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 86 states and 116 transitions. cyclomatic complexity: 35. Second operand has 10 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 110 states and 141 transitions. Complement of second has 23 states. [2021-12-06 20:36:41,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 7 stem states 2 non-accepting loop states 2 accepting loop states [2021-12-06 20:36:41,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 20:36:41,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 33 transitions. [2021-12-06 20:36:41,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 33 transitions. Stem has 21 letters. Loop has 4 letters. [2021-12-06 20:36:41,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:36:41,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 33 transitions. Stem has 25 letters. Loop has 4 letters. [2021-12-06 20:36:41,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:36:41,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 33 transitions. Stem has 21 letters. Loop has 8 letters. [2021-12-06 20:36:41,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:36:41,890 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 110 states and 141 transitions. [2021-12-06 20:36:41,892 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-06 20:36:41,895 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 110 states to 88 states and 117 transitions. [2021-12-06 20:36:41,895 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 56 [2021-12-06 20:36:41,895 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 57 [2021-12-06 20:36:41,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 88 states and 117 transitions. [2021-12-06 20:36:41,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 20:36:41,895 INFO L681 BuchiCegarLoop]: Abstraction has 88 states and 117 transitions. [2021-12-06 20:36:41,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states and 117 transitions. [2021-12-06 20:36:41,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 86. [2021-12-06 20:36:41,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 64 states have (on average 1.15625) internal successors, (74), 68 states have internal predecessors, (74), 13 states have call successors, (13), 8 states have call predecessors, (13), 9 states have return successors, (28), 9 states have call predecessors, (28), 11 states have call successors, (28) [2021-12-06 20:36:41,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 115 transitions. [2021-12-06 20:36:41,902 INFO L704 BuchiCegarLoop]: Abstraction has 86 states and 115 transitions. [2021-12-06 20:36:41,902 INFO L587 BuchiCegarLoop]: Abstraction has 86 states and 115 transitions. [2021-12-06 20:36:41,902 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-06 20:36:41,902 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states and 115 transitions. [2021-12-06 20:36:41,903 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-06 20:36:41,903 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 20:36:41,903 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 20:36:41,903 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:36:41,904 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 20:36:41,904 INFO L791 eck$LassoCheckResult]: Stem: 1186#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call #Ultimate.allocInit(12, 3); 1187#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~ret9#1, main_#t~ret10#1, main_~z~0#1, main_~m~0#1, main_~n~0#1;main_~m~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 1196#L44 assume !(main_~m~0#1 <= 0 || main_~m~0#1 > 2147483647);main_~n~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 1197#L48 assume !(main_~n~0#1 <= 0 || main_~n~0#1 > 2147483647); 1198#L51 assume main_~m~0#1 > 0 && main_~n~0#1 > 0; 1199#L52 call main_#t~ret9#1 := gcd(main_~m~0#1, main_~n~0#1);< 1218#gcdENTRY ~y1 := #in~y1;~y2 := #in~y2; 1239#L18 assume !(~y1 <= 0 || ~y2 <= 0); 1237#L18-2 assume !(~y1 == ~y2); 1235#L25 assume ~y1 > ~y2; 1183#L26 call #t~ret4 := gcd(~y1 - ~y2, ~y2);< 1185#gcdENTRY ~y1 := #in~y1;~y2 := #in~y2; 1222#L18 assume !(~y1 <= 0 || ~y2 <= 0); 1262#L18-2 assume !(~y1 == ~y2); 1216#L25 assume !(~y1 > ~y2); 1193#L28 call #t~ret5 := gcd(~y1, ~y2 - ~y1);< 1217#gcdENTRY ~y1 := #in~y1;~y2 := #in~y2; 1200#L18 assume !(~y1 <= 0 || ~y2 <= 0); 1201#L18-2 assume ~y1 == ~y2;#res := ~y1; 1211#gcdFINAL assume true; 1260#gcdEXIT >#71#return; 1261#L28-1 #res := #t~ret5;havoc #t~ret5; 1263#gcdFINAL assume true; 1233#gcdEXIT >#69#return; 1227#L26-1 #res := #t~ret4;havoc #t~ret4; 1225#gcdFINAL assume true; 1224#gcdEXIT >#73#return; 1219#L52-1 main_~z~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 1189#L53 call main_#t~ret10#1 := divides(main_~z~0#1, main_~m~0#1);< 1206#dividesENTRY [2021-12-06 20:36:41,904 INFO L793 eck$LassoCheckResult]: Loop: 1206#dividesENTRY ~n := #in~n;~m := #in~m; 1188#L33 assume !(0 == ~m); 1190#L36 assume !(~n > ~m); 1191#L39 call #t~ret6 := divides(~n, ~m - ~n);< 1206#dividesENTRY [2021-12-06 20:36:41,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:36:41,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1700205680, now seen corresponding path program 1 times [2021-12-06 20:36:41,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:36:41,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341024633] [2021-12-06 20:36:41,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:36:41,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:36:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:41,916 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:36:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:41,930 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:36:41,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:36:41,930 INFO L85 PathProgramCache]: Analyzing trace with hash 927679, now seen corresponding path program 3 times [2021-12-06 20:36:41,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:36:41,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509071331] [2021-12-06 20:36:41,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:36:41,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:36:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:41,933 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:36:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:41,936 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:36:41,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:36:41,936 INFO L85 PathProgramCache]: Analyzing trace with hash 30895278, now seen corresponding path program 1 times [2021-12-06 20:36:41,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:36:41,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629050694] [2021-12-06 20:36:41,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:36:41,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:36:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:41,947 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:36:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:36:41,961 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:36:42,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-06 20:36:42,292 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 20:36:42,292 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 20:36:42,292 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 20:36:42,292 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 20:36:42,293 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 20:36:42,293 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:42,293 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 20:36:42,293 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 20:36:42,293 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd02.c_Iteration5_Lasso [2021-12-06 20:36:42,293 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 20:36:42,293 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 20:36:42,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:42,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:42,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:42,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:42,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:42,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:42,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:42,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:42,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:42,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:42,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:42,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:42,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:42,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:42,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:42,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:42,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:42,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:42,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:42,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:42,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:42,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 20:36:42,415 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 20:36:42,416 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 20:36:42,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:42,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:42,416 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:42,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-06 20:36:42,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:42,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:42,424 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:42,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:42,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:42,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:42,425 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:42,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:42,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:42,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-12-06 20:36:42,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:42,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:42,444 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:42,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-06 20:36:42,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:42,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:42,452 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:42,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:42,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:42,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:42,453 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:42,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:42,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:42,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-06 20:36:42,472 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:42,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:42,473 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:42,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-06 20:36:42,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:42,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:42,481 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:42,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:42,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:42,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:42,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:42,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:42,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:42,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-06 20:36:42,500 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:42,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:42,501 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:42,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-06 20:36:42,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:42,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:42,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:42,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:42,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:42,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:42,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:42,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:42,512 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:42,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-06 20:36:42,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:42,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:42,530 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:42,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-06 20:36:42,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:42,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:42,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:42,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:42,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:42,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:42,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:42,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:42,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:42,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-06 20:36:42,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:42,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:42,558 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:42,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-06 20:36:42,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:42,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:42,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:42,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:42,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:42,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:42,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:42,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:42,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:42,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-12-06 20:36:42,586 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:42,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:42,586 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:42,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-06 20:36:42,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:42,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:42,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:42,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:42,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:42,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:42,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:42,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:42,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:42,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-06 20:36:42,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:42,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:42,615 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:42,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-06 20:36:42,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:42,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:42,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:42,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:42,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:42,624 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:36:42,624 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:36:42,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:42,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-12-06 20:36:42,648 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:42,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:42,648 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:42,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-06 20:36:42,650 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:42,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:42,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:42,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:42,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:42,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:36:42,658 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:36:42,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:42,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-12-06 20:36:42,678 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:42,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:42,679 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:42,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-06 20:36:42,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:42,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:42,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:42,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:42,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:42,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:36:42,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:36:42,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:42,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-12-06 20:36:42,720 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:42,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:42,720 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:42,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-06 20:36:42,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:42,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:42,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:42,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:42,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:42,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:42,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:42,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:42,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:42,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-06 20:36:42,748 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:42,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:42,749 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:42,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-06 20:36:42,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:42,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:42,760 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:42,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:42,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:42,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:42,760 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:42,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:42,761 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:42,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-12-06 20:36:42,780 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:42,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:42,780 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:42,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-06 20:36:42,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:42,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:42,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:42,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:42,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:42,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:42,789 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:42,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:42,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:42,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-12-06 20:36:42,808 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:42,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:42,808 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:42,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-06 20:36:42,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:42,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:42,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:42,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:42,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:42,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:42,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:42,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:42,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:42,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-12-06 20:36:42,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:42,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:42,837 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:42,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-06 20:36:42,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:42,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:42,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:42,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:42,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:42,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:36:42,846 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:36:42,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:42,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-12-06 20:36:42,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:42,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:42,867 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:42,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-06 20:36:42,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:42,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:42,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:42,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:42,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:42,876 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:36:42,876 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:36:42,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:42,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-12-06 20:36:42,897 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:42,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:42,898 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:42,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-06 20:36:42,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:42,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:42,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:42,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:42,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:42,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:36:42,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:36:42,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:42,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-12-06 20:36:42,941 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:42,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:42,942 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:42,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-06 20:36:42,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:42,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:42,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:42,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:42,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:42,952 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:36:42,952 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:36:42,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:42,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-12-06 20:36:42,973 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:42,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:42,973 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:42,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-06 20:36:42,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:42,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:42,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:42,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:42,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:42,983 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:36:42,983 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:36:42,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:43,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-12-06 20:36:43,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:43,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:43,005 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:43,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-06 20:36:43,006 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:43,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:43,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:43,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:43,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:43,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:43,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:43,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:43,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:43,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-12-06 20:36:43,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:43,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:43,034 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:43,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-12-06 20:36:43,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:43,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:43,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:43,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:43,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:43,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:43,042 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:43,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:43,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:43,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-12-06 20:36:43,062 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:43,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:43,063 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:43,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-12-06 20:36:43,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:43,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:43,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:43,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:43,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:43,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:43,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:43,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:43,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:43,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-12-06 20:36:43,091 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:43,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:43,092 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:43,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-12-06 20:36:43,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:43,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:43,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:43,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:43,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:43,101 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:36:43,101 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:36:43,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:43,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-12-06 20:36:43,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:43,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:43,121 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:43,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-12-06 20:36:43,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:43,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:43,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:43,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:43,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:43,130 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:36:43,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:36:43,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:43,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-12-06 20:36:43,150 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:43,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:43,151 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:43,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-12-06 20:36:43,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:43,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:43,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:43,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:43,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:43,160 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:36:43,160 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:36:43,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:43,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-12-06 20:36:43,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:43,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:43,182 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:43,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-12-06 20:36:43,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:43,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:43,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:43,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:43,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:43,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 20:36:43,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 20:36:43,193 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:43,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-12-06 20:36:43,212 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:43,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:43,212 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:43,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-12-06 20:36:43,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:43,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:43,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 20:36:43,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:43,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 20:36:43,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:43,221 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 20:36:43,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 20:36:43,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 20:36:43,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-12-06 20:36:43,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:43,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:43,242 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:43,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-12-06 20:36:43,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 20:36:43,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 20:36:43,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 20:36:43,250 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-06 20:36:43,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 20:36:43,254 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-12-06 20:36:43,254 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 20:36:43,270 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 20:36:43,297 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2021-12-06 20:36:43,297 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-12-06 20:36:43,297 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 20:36:43,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:36:43,298 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 20:36:43,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-12-06 20:36:43,299 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 20:36:43,307 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-12-06 20:36:43,307 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 20:36:43,307 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(divides_#in~n, divides_#in~m) = -6*divides_#in~n + 6*divides_#in~m + 1 Supporting invariants [3*divides_#in~n - 1 >= 0] [2021-12-06 20:36:43,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-12-06 20:36:43,329 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-06 20:36:43,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:36:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:36:43,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 19 conjunts are in the unsatisfiable core [2021-12-06 20:36:43,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:36:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:36:43,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 20:36:43,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:36:43,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:36:43,650 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 3 loop predicates [2021-12-06 20:36:43,650 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 86 states and 115 transitions. cyclomatic complexity: 34 Second operand has 11 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 4 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 20:36:43,810 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 86 states and 115 transitions. cyclomatic complexity: 34. Second operand has 11 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 4 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Result 96 states and 125 transitions. Complement of second has 23 states. [2021-12-06 20:36:43,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 8 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-06 20:36:43,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 4 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 20:36:43,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 26 transitions. [2021-12-06 20:36:43,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 26 transitions. Stem has 29 letters. Loop has 4 letters. [2021-12-06 20:36:43,812 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:36:43,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 26 transitions. Stem has 33 letters. Loop has 4 letters. [2021-12-06 20:36:43,812 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:36:43,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 26 transitions. Stem has 29 letters. Loop has 8 letters. [2021-12-06 20:36:43,813 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 20:36:43,813 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 96 states and 125 transitions. [2021-12-06 20:36:43,814 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 20:36:43,814 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 96 states to 0 states and 0 transitions. [2021-12-06 20:36:43,814 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 20:36:43,814 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 20:36:43,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 20:36:43,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:36:43,814 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 20:36:43,814 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 20:36:43,814 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 20:36:43,814 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-06 20:36:43,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 20:36:43,815 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 20:36:43,815 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 20:36:43,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 08:36:43 BoogieIcfgContainer [2021-12-06 20:36:43,819 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 20:36:43,820 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 20:36:43,820 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 20:36:43,820 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 20:36:43,820 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:36:37" (3/4) ... [2021-12-06 20:36:43,822 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 20:36:43,822 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 20:36:43,822 INFO L158 Benchmark]: Toolchain (without parser) took 6650.48ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 97.1MB in the beginning and 44.4MB in the end (delta: 52.7MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. [2021-12-06 20:36:43,822 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 81.8MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 20:36:43,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 167.23ms. Allocated memory is still 121.6MB. Free memory was 96.7MB in the beginning and 86.9MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 20:36:43,823 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.97ms. Allocated memory is still 121.6MB. Free memory was 86.9MB in the beginning and 85.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 20:36:43,823 INFO L158 Benchmark]: Boogie Preprocessor took 14.17ms. Allocated memory is still 121.6MB. Free memory was 85.6MB in the beginning and 84.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 20:36:43,823 INFO L158 Benchmark]: RCFGBuilder took 197.60ms. Allocated memory is still 121.6MB. Free memory was 84.4MB in the beginning and 74.4MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 20:36:43,824 INFO L158 Benchmark]: BuchiAutomizer took 6241.06ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 74.4MB in the beginning and 45.4MB in the end (delta: 29.0MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2021-12-06 20:36:43,824 INFO L158 Benchmark]: Witness Printer took 2.29ms. Allocated memory is still 146.8MB. Free memory was 45.4MB in the beginning and 44.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 20:36:43,825 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 81.8MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 167.23ms. Allocated memory is still 121.6MB. Free memory was 96.7MB in the beginning and 86.9MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.97ms. Allocated memory is still 121.6MB. Free memory was 86.9MB in the beginning and 85.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.17ms. Allocated memory is still 121.6MB. Free memory was 85.6MB in the beginning and 84.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 197.60ms. Allocated memory is still 121.6MB. Free memory was 84.4MB in the beginning and 74.4MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 6241.06ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 74.4MB in the beginning and 45.4MB in the end (delta: 29.0MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. * Witness Printer took 2.29ms. Allocated memory is still 146.8MB. Free memory was 45.4MB in the beginning and 44.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (0 trivial, 5 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(y2) and consists of 7 locations. One deterministic module has affine ranking function \old(y1) and consists of 7 locations. One deterministic module has affine ranking function \old(m) and consists of 10 locations. One deterministic module has affine ranking function \old(m) and consists of 11 locations. One deterministic module has affine ranking function 6 * \old(m) + -6 * \old(n) + 1 and consists of 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.2s and 6 iterations. TraceHistogramMax:3. Analysis of lassos took 4.4s. Construction of modules took 0.1s. Büchi inclusion checks took 1.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 54 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 86 states and ocurred in iteration 3. Nontrivial modules had stage [5, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 165 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 163 mSDsluCounter, 196 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 111 mSDsCounter, 98 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 291 IncrementalHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 98 mSolverCounterUnsat, 85 mSDtfsCounter, 291 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital48 mio100 ax100 hnf96 lsp71 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq167 hnf93 smp93 dnf120 smp100 tf104 neg97 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 67ms VariablesStem: 2 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-06 20:36:43,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-12-06 20:36:44,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7bc49f7-d0bc-4efc-bb19-74d67d408503/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE