./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c60ed4386f3e9dfc23f4a7e8bce2e4e63a0ed4f2dd3fba97236df028c39e6948 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:06:46,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:06:46,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:06:47,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:06:47,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:06:47,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:06:47,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:06:47,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:06:47,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:06:47,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:06:47,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:06:47,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:06:47,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:06:47,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:06:47,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:06:47,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:06:47,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:06:47,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:06:47,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:06:47,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:06:47,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:06:47,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:06:47,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:06:47,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:06:47,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:06:47,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:06:47,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:06:47,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:06:47,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:06:47,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:06:47,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:06:47,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:06:47,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:06:47,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:06:47,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:06:47,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:06:47,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:06:47,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:06:47,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:06:47,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:06:47,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:06:47,084 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-21 19:06:47,151 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:06:47,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:06:47,152 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:06:47,152 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:06:47,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:06:47,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:06:47,154 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:06:47,154 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:06:47,155 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:06:47,155 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:06:47,155 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:06:47,155 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:06:47,156 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:06:47,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:06:47,156 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:06:47,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:06:47,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:06:47,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:06:47,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:06:47,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:06:47,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:06:47,158 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:06:47,158 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:06:47,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:06:47,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:06:47,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:06:47,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:06:47,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:06:47,167 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:06:47,168 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:06:47,168 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_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c60ed4386f3e9dfc23f4a7e8bce2e4e63a0ed4f2dd3fba97236df028c39e6948 [2021-10-21 19:06:47,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:06:47,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:06:47,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:06:47,541 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:06:47,542 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:06:47,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2021-10-21 19:06:47,647 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/data/385d4813e/f1cda64c786f4a1996dbe5cff9b2fc0d/FLAGc6a16b72f [2021-10-21 19:06:48,105 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:06:48,106 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2021-10-21 19:06:48,118 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/data/385d4813e/f1cda64c786f4a1996dbe5cff9b2fc0d/FLAGc6a16b72f [2021-10-21 19:06:48,489 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/data/385d4813e/f1cda64c786f4a1996dbe5cff9b2fc0d [2021-10-21 19:06:48,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:06:48,501 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:06:48,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:06:48,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:06:48,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:06:48,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:06:48" (1/1) ... [2021-10-21 19:06:48,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@676c684c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:06:48, skipping insertion in model container [2021-10-21 19:06:48,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:06:48" (1/1) ... [2021-10-21 19:06:48,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:06:48,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:06:48,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:06:48,707 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:06:48,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:06:48,771 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:06:48,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:06:48 WrapperNode [2021-10-21 19:06:48,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:06:48,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:06:48,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:06:48,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:06:48,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:06:48" (1/1) ... [2021-10-21 19:06:48,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:06:48" (1/1) ... [2021-10-21 19:06:48,808 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:06:48,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:06:48,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:06:48,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:06:48,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:06:48" (1/1) ... [2021-10-21 19:06:48,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:06:48" (1/1) ... [2021-10-21 19:06:48,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:06:48" (1/1) ... [2021-10-21 19:06:48,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:06:48" (1/1) ... [2021-10-21 19:06:48,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:06:48" (1/1) ... [2021-10-21 19:06:48,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:06:48" (1/1) ... [2021-10-21 19:06:48,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:06:48" (1/1) ... [2021-10-21 19:06:48,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:06:48,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:06:48,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:06:48,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:06:48,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:06:48" (1/1) ... [2021-10-21 19:06:48,842 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:48,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:48,877 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:48,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:06:48,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:06:48,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:06:49,123 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:06:49,124 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-21 19:06:49,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:06:49 BoogieIcfgContainer [2021-10-21 19:06:49,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:06:49,129 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:06:49,129 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:06:49,136 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:06:49,137 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:06:49,137 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:06:48" (1/3) ... [2021-10-21 19:06:49,140 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@12e1ed87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:06:49, skipping insertion in model container [2021-10-21 19:06:49,140 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:06:49,141 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:06:48" (2/3) ... [2021-10-21 19:06:49,142 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@12e1ed87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:06:49, skipping insertion in model container [2021-10-21 19:06:49,142 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:06:49,142 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:06:49" (3/3) ... [2021-10-21 19:06:49,144 INFO L389 chiAutomizerObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2021-10-21 19:06:49,198 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:06:49,198 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:06:49,198 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:06:49,198 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:06:49,199 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:06:49,199 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:06:49,199 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:06:49,199 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:06:49,212 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:06:49,232 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-21 19:06:49,233 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:06:49,233 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:06:49,239 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-21 19:06:49,240 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-21 19:06:49,240 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:06:49,240 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:06:49,241 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-21 19:06:49,241 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:06:49,242 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:06:49,242 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-21 19:06:49,242 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-21 19:06:49,249 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 6#L14-2true [2021-10-21 19:06:49,250 INFO L793 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 6#L14-2true [2021-10-21 19:06:49,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:06:49,257 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-21 19:06:49,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:06:49,268 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598257799] [2021-10-21 19:06:49,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:06:49,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:06:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:06:49,341 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:06:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:06:49,358 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:06:49,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:06:49,362 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2021-10-21 19:06:49,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:06:49,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481450523] [2021-10-21 19:06:49,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:06:49,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:06:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:06:49,379 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:06:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:06:49,390 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:06:49,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:06:49,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-10-21 19:06:49,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:06:49,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678018096] [2021-10-21 19:06:49,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:06:49,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:06:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:06:49,409 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:06:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:06:49,422 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:06:49,710 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:06:49,711 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:06:49,711 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:06:49,711 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:06:49,712 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 19:06:49,712 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:49,712 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:06:49,712 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:06:49,712 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2021-10-21 19:06:49,713 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:06:49,713 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:06:49,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:06:49,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:06:49,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:06:50,262 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:06:50,262 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 19:06:50,265 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:50,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:50,271 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:50,282 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:06:50,282 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:06:50,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:06:50,316 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:06:50,316 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 19:06:50,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:50,365 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:50,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:50,368 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:50,376 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:06:50,377 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:06:50,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:06:50,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:50,475 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:50,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:50,480 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:50,487 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 19:06:50,487 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:06:50,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:06:50,616 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 19:06:50,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:50,623 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:06:50,623 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:06:50,623 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:06:50,623 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:06:50,623 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:06:50,623 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:50,624 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:06:50,624 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:06:50,624 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2021-10-21 19:06:50,624 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:06:50,624 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:06:50,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:06:50,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:06:50,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:06:51,107 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:06:51,113 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:06:51,115 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:51,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:51,120 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:51,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:51,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:06:51,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:51,141 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-21 19:06:51,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:06:51,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:06:51,214 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2021-10-21 19:06:51,214 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-10-21 19:06:51,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:51,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:51,329 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:51,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:51,331 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:51,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:51,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:06:51,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:51,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:51,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:51,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:06:51,351 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:06:51,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:51,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:06:51,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:51,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:51,414 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:51,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:51,417 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:51,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:51,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:06:51,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:51,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:51,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:51,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:06:51,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:06:51,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:51,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:06:51,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:51,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:51,491 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-21 19:06:51,492 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:51,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:51,494 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:51,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 19:06:51,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:51,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:06:51,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:51,517 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-21 19:06:51,517 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:06:51,580 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2021-10-21 19:06:51,580 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2021-10-21 19:06:51,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:51,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:51,679 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:51,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:51,680 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:51,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 19:06:51,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:51,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:06:51,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:51,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:51,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:51,695 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:06:51,696 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:06:51,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:51,705 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:51,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-21 19:06:51,732 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:51,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:51,736 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:51,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 19:06:51,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:51,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:06:51,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:51,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:51,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:51,751 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:06:51,751 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:06:51,752 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:51,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:51,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:51,792 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-21 19:06:51,792 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:51,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:51,793 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:51,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 19:06:51,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:51,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:06:51,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:51,815 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-21 19:06:51,815 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:06:51,866 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-10-21 19:06:51,866 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-21 19:06:51,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:51,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:51,981 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:51,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:51,982 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:51,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 19:06:51,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:51,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:06:51,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:51,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:51,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:51,993 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:06:51,994 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:06:51,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:52,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:52,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:52,071 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:52,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:52,075 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:52,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:52,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:06:52,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:52,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:52,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:52,092 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:06:52,092 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:06:52,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:52,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 19:06:52,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:52,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:52,122 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-21 19:06:52,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:52,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:52,124 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:52,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 19:06:52,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:52,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:06:52,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:52,136 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-21 19:06:52,136 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:06:52,202 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2021-10-21 19:06:52,203 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2021-10-21 19:06:52,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:52,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:52,377 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:52,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:52,378 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:52,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 19:06:52,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:52,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:06:52,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:52,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:52,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:52,391 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:06:52,392 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:06:52,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:52,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:52,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:52,451 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:52,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:52,452 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:52,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 19:06:52,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:52,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:06:52,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:52,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:52,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:52,464 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:06:52,464 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:06:52,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:52,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:52,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:52,490 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-21 19:06:52,490 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:52,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:52,491 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:52,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 19:06:52,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:52,505 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:52,506 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:06:52,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:52,506 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-21 19:06:52,506 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:06:52,569 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2021-10-21 19:06:52,569 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2021-10-21 19:06:52,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:52,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:52,704 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:52,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:52,706 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:52,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 19:06:52,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:52,721 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:52,722 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:06:52,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:52,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:52,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:52,722 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:06:52,723 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:06:52,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:52,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:52,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:52,771 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:52,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:52,772 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:52,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 19:06:52,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:52,786 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:52,786 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:06:52,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:52,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:52,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:52,787 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:06:52,788 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:06:52,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:52,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:52,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:52,828 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-21 19:06:52,828 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:52,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:52,829 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:52,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:52,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-21 19:06:52,843 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:52,844 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 19:06:52,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:52,844 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-21 19:06:52,844 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:06:52,904 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-10-21 19:06:52,905 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-21 19:06:53,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:53,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:53,215 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:53,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:53,217 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:53,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-21 19:06:53,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:53,228 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:53,229 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 19:06:53,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:53,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:53,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:53,229 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:06:53,230 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:06:53,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:53,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:53,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:53,297 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:53,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:53,299 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:53,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:53,319 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:53,320 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 19:06:53,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:53,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:53,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:53,320 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:06:53,329 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:06:53,329 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:53,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-21 19:06:53,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:53,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:53,384 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-21 19:06:53,384 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:53,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:53,385 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:53,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-21 19:06:53,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:53,400 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:53,400 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:06:53,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:53,400 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-21 19:06:53,400 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:06:53,467 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2021-10-21 19:06:53,468 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2021-10-21 19:06:53,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:53,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:53,648 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:53,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:53,649 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:53,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:53,668 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:53,668 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:06:53,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:53,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:53,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:53,669 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:06:53,670 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:06:53,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:53,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-21 19:06:53,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:53,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-10-21 19:06:53,713 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:53,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:53,714 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:53,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:53,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-21 19:06:53,750 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:53,750 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:06:53,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:53,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:53,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:53,751 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:06:53,752 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:06:53,752 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:53,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:53,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-10-21 19:06:53,815 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-21 19:06:53,815 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:53,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:53,816 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:53,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:53,835 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:53,835 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:06:53,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:53,836 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-21 19:06:53,836 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:06:53,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-21 19:06:53,885 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-10-21 19:06:53,885 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-21 19:06:53,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:54,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-10-21 19:06:54,011 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:54,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:54,012 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:54,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-21 19:06:54,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:54,023 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:54,023 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:06:54,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:54,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:54,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:54,024 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:06:54,032 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:06:54,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:54,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:54,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:54,064 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:54,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:54,065 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:54,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-21 19:06:54,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:54,074 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:54,074 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:06:54,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:54,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:54,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:54,074 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:06:54,075 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:06:54,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:54,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:54,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:54,098 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-21 19:06:54,098 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:54,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:54,099 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:54,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-21 19:06:54,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:54,109 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:54,109 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:06:54,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:54,109 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-21 19:06:54,109 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 19:06:54,169 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2021-10-21 19:06:54,169 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2021-10-21 19:06:54,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:54,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:54,347 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:54,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:54,348 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:54,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:54,362 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:54,362 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:06:54,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:54,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:54,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:54,362 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 19:06:54,363 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:06:54,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:54,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-21 19:06:54,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:54,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:54,415 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:54,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:54,419 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:54,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:54,433 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:54,433 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:06:54,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:54,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:54,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:54,433 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 19:06:54,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-21 19:06:54,434 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:06:54,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:54,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:54,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:54,487 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-10-21 19:06:54,488 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2; 6#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 6#L14-2true [2021-10-21 19:06:54,488 INFO L793 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2); 6#L14-2true [2021-10-21 19:06:54,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:06:54,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2021-10-21 19:06:54,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:06:54,489 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937481837] [2021-10-21 19:06:54,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:06:54,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:06:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:06:54,497 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:06:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:06:54,506 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:06:54,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:06:54,507 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2021-10-21 19:06:54,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:06:54,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905153081] [2021-10-21 19:06:54,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:06:54,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:06:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:06:54,514 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:06:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:06:54,520 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:06:54,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:06:54,521 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2021-10-21 19:06:54,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:06:54,522 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604999030] [2021-10-21 19:06:54,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:06:54,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:06:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:06:54,538 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:06:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:06:54,556 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:06:54,674 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:06:54,674 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:06:54,674 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:06:54,674 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:06:54,674 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 19:06:54,675 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:54,675 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:06:54,675 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:06:54,675 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2021-10-21 19:06:54,675 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:06:54,675 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:06:54,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:06:54,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:06:54,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:06:55,063 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:06:55,064 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 19:06:55,064 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:55,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:55,072 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:55,074 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:06:55,074 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:06:55,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-21 19:06:55,092 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:06:55,093 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 19:06:55,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-21 19:06:55,121 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:55,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:55,122 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:55,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-21 19:06:55,126 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:06:55,126 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:06:55,136 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:06:55,136 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 19:06:55,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:55,160 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:55,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:55,162 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:55,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-21 19:06:55,164 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:06:55,164 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:06:55,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-10-21 19:06:55,202 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:55,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:55,204 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:55,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-21 19:06:55,206 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 19:06:55,206 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:06:55,372 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 19:06:55,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-10-21 19:06:55,387 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:06:55,387 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:06:55,387 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:06:55,387 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:06:55,388 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:06:55,388 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:55,388 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:06:55,388 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:06:55,388 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2021-10-21 19:06:55,388 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:06:55,388 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:06:55,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:06:55,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:06:55,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:06:55,701 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:06:55,702 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:06:55,702 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:55,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:55,712 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:55,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:55,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-21 19:06:55,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:06:55,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:55,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:55,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:55,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:06:55,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:06:55,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:55,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:55,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:55,753 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:55,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:55,754 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:55,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-21 19:06:55,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:55,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:06:55,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:55,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:55,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:55,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:06:55,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:06:55,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:55,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:55,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-21 19:06:55,790 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:55,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:55,791 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:55,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-21 19:06:55,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:55,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:06:55,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:55,804 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-21 19:06:55,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:06:55,832 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2021-10-21 19:06:55,832 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-10-21 19:06:55,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:55,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:55,939 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-21 19:06:55,939 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:55,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:55,940 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:55,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:55,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:06:55,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:55,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:55,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:55,959 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:06:55,960 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:06:55,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:55,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-21 19:06:55,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:56,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:56,022 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:56,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:56,028 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:56,035 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 [2021-10-21 19:06:56,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:06:56,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:56,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:56,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:56,046 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:06:56,047 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:06:56,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:56,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-21 19:06:56,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:56,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:56,108 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:56,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:56,109 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:56,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:56,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:06:56,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:56,123 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-21 19:06:56,123 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:06:56,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-21 19:06:56,161 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2021-10-21 19:06:56,161 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2021-10-21 19:06:56,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:56,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:56,279 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-21 19:06:56,280 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:56,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:56,281 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:56,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:56,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:06:56,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:56,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:56,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:56,297 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:06:56,298 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:06:56,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:56,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-21 19:06:56,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:56,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:56,350 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:56,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:56,355 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:56,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:56,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:06:56,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:56,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:56,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:56,372 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:06:56,373 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:06:56,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:56,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-21 19:06:56,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:56,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:56,424 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:56,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:56,432 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:56,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:56,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:06:56,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:56,445 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-21 19:06:56,445 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:06:56,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-21 19:06:56,490 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-10-21 19:06:56,490 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-21 19:06:56,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:56,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:56,600 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-21 19:06:56,600 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:56,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:56,601 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:56,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:56,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:06:56,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:56,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:56,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:56,613 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:06:56,613 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:06:56,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:56,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-21 19:06:56,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:56,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:56,664 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:56,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:56,665 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:56,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:56,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:06:56,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:56,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:56,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:56,677 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:06:56,678 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:06:56,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:56,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-21 19:06:56,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:56,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:56,724 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:56,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:56,725 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:56,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:56,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:06:56,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:56,738 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-21 19:06:56,738 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:06:56,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-21 19:06:56,835 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2021-10-21 19:06:56,835 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2021-10-21 19:06:56,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:56,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:56,955 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-21 19:06:56,955 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:56,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:56,956 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:56,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-21 19:06:56,957 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:56,965 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:56,965 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:06:56,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:56,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:56,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:56,966 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:06:56,966 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:06:56,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:56,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:56,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:56,992 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:56,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:56,993 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:56,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-21 19:06:56,994 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:57,003 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:57,003 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:06:57,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:57,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:57,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:57,004 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:06:57,005 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:06:57,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:57,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:57,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:57,043 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:57,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:57,044 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:57,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-21 19:06:57,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:57,055 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:57,056 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:06:57,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:57,056 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-21 19:06:57,056 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:06:57,093 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2021-10-21 19:06:57,093 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2021-10-21 19:06:57,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:57,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:57,248 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-21 19:06:57,248 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:57,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:57,249 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:57,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:57,264 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:57,264 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 19:06:57,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:57,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:57,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:57,264 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:06:57,266 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:06:57,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:57,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-21 19:06:57,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:57,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:57,324 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:57,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:57,326 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:57,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-21 19:06:57,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:57,337 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:57,337 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 19:06:57,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:57,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:57,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:57,337 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:06:57,338 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:06:57,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:57,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:57,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:57,393 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:57,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:57,394 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:57,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:57,416 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:57,416 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 19:06:57,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:57,417 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-21 19:06:57,417 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:06:57,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-21 19:06:57,469 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-10-21 19:06:57,469 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-21 19:06:57,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:57,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-10-21 19:06:57,607 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-21 19:06:57,607 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:57,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:57,608 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:57,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-21 19:06:57,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:57,619 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:57,619 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:06:57,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:57,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:57,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:57,620 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:06:57,621 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:06:57,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:57,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:57,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-10-21 19:06:57,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:57,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:57,676 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:57,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-21 19:06:57,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:57,687 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:57,687 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:06:57,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:57,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:57,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:57,687 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:06:57,688 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:06:57,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:57,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:57,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-10-21 19:06:57,719 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:57,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:57,722 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:57,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-21 19:06:57,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:57,732 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:57,732 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:06:57,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:57,733 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-21 19:06:57,733 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:06:57,792 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2021-10-21 19:06:57,792 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2021-10-21 19:06:57,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:58,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:58,034 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-21 19:06:58,034 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:58,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:58,035 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:58,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:58,051 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:58,051 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:06:58,052 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:58,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:58,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:58,052 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:06:58,053 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:06:58,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:58,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-21 19:06:58,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:58,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-21 19:06:58,082 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:58,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:58,082 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:58,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-21 19:06:58,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:58,094 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:58,094 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:06:58,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:58,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:58,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:58,094 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:06:58,095 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:06:58,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:58,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:58,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:58,119 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:58,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:58,120 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:58,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-21 19:06:58,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:58,134 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:58,134 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:06:58,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:58,135 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-21 19:06:58,135 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:06:58,181 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2021-10-21 19:06:58,181 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-10-21 19:06:58,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:58,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:58,332 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-21 19:06:58,332 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:58,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:58,333 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:58,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-21 19:06:58,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:58,343 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:58,343 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:06:58,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:58,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:58,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:58,344 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 19:06:58,346 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:06:58,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:58,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:58,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-10-21 19:06:58,411 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:58,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:58,412 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:58,424 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:58,436 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:58,436 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:06:58,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:06:58,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:58,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:06:58,437 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 19:06:58,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:06:58,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:06:58,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-21 19:06:58,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:58,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:58,494 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:06:58,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:58,496 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:58,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-21 19:06:58,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:06:58,508 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:06:58,508 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:06:58,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:06:58,508 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2021-10-21 19:06:58,509 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 19:06:58,573 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2021-10-21 19:06:58,573 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2021-10-21 19:06:58,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:06:58,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-21 19:06:58,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:06:58 BoogieIcfgContainer [2021-10-21 19:06:58,852 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:06:58,853 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:06:58,853 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:06:58,853 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:06:58,854 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:06:49" (3/4) ... [2021-10-21 19:06:58,856 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:06:58,856 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:06:58,858 INFO L168 Benchmark]: Toolchain (without parser) took 10356.41 ms. Allocated memory was 96.5 MB in the beginning and 157.3 MB in the end (delta: 60.8 MB). Free memory was 64.1 MB in the beginning and 98.9 MB in the end (delta: -34.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:06:58,859 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 96.5 MB. Free memory is still 52.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:06:58,859 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.56 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 63.9 MB in the beginning and 107.9 MB in the end (delta: -44.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:06:58,860 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.40 ms. Allocated memory is still 130.0 MB. Free memory was 107.9 MB in the beginning and 106.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:06:58,860 INFO L168 Benchmark]: Boogie Preprocessor took 20.19 ms. Allocated memory is still 130.0 MB. Free memory was 106.5 MB in the beginning and 105.8 MB in the end (delta: 670.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:06:58,861 INFO L168 Benchmark]: RCFGBuilder took 297.12 ms. Allocated memory is still 130.0 MB. Free memory was 105.8 MB in the beginning and 98.0 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:06:58,861 INFO L168 Benchmark]: BuchiAutomizer took 9723.66 ms. Allocated memory was 130.0 MB in the beginning and 157.3 MB in the end (delta: 27.3 MB). Free memory was 97.5 MB in the beginning and 99.9 MB in the end (delta: -2.5 MB). Peak memory consumption was 91.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:06:58,862 INFO L168 Benchmark]: Witness Printer took 3.57 ms. Allocated memory is still 157.3 MB. Free memory was 99.9 MB in the beginning and 98.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:06:58,865 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 96.5 MB. Free memory is still 52.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 269.56 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 63.9 MB in the beginning and 107.9 MB in the end (delta: -44.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.40 ms. Allocated memory is still 130.0 MB. Free memory was 107.9 MB in the beginning and 106.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.19 ms. Allocated memory is still 130.0 MB. Free memory was 106.5 MB in the beginning and 105.8 MB in the end (delta: 670.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 297.12 ms. Allocated memory is still 130.0 MB. Free memory was 105.8 MB in the beginning and 98.0 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 9723.66 ms. Allocated memory was 130.0 MB in the beginning and 157.3 MB in the end (delta: 27.3 MB). Free memory was 97.5 MB in the beginning and 99.9 MB in the end (delta: -2.5 MB). Peak memory consumption was 91.7 MB. Max. memory is 16.1 GB. * Witness Printer took 3.57 ms. Allocated memory is still 157.3 MB. Free memory was 99.9 MB in the beginning and 98.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.6s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 9.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital63 mio100 ax100 hnf100 lsp165 ukn66 mio100 lsp100 div198 bol100 ite100 ukn100 eq137 hnf60 smp89 dnf264 smp58 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 328ms VariablesStem: 2 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 3 SupportingInvariants: 18 MotzkinApplications: 90 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 2;" "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" Loop: "assume !!(main_~x~0 >= 0);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := (if 1 + main_~y~0 < 0 && 0 != (1 + main_~y~0) % 2 then 1 + (1 + main_~y~0) / 2 else (1 + main_~y~0) / 2);" RESULT: Ultimate could not prove your program: unable to determine termination [2021-10-21 19:06:58,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b1ed466-8c15-450c-bb5a-1fcd1b68a1bd/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...